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Zenith ABV341 Series Service Manual

Summary of ABV341 Series

  • Page 1

    Service manual product type: dvd+vcr chassis: d35 (deck), dp5 (md), dp-7c(md) manual series: xbv342 manual part #: 3829rgn001v model line: c product year: 2003 summary 1 cabinet & main chassis 2 electrical 3 mechanism of vcr part 4 mechanism of dvd part 5 parts list 6 published september 2003 by tec...

  • Page 3: Section 1

    1-1 section 1 summary contents product safety servicing guidelines for video products ............. 1-2 servicing precautions .................................................................................................. 1-3 specifications ...........................................................

  • Page 4

    1-2 important safety notice this manual was prepared for use only by properly trained audio-video service technicians. When servicing this product, under no circumstances should the original design be modified or altered without permission from zenith electronics corporation. All components should b...

  • Page 5: Servicing Precautions

    1-3 servicing precautions caution: before servicing the dvd+vcr covered by this service data and its supplements and addends, read and fol- low the safety precautions. Note: if unforeseen cir- cumstances create conflict between the following servicing precautions and any of the safety precautions in...

  • Page 6: Specifications

    1-4 specifications general power requirements ac 120v ,60 hz power consumption 23w dimensions (approx.) 430 x 97.5 x 293 mm (16.9 x 3.9 x 11.5 inches)(w x h x d) mass (approx.) 4.8 kg (10.58 lbs) operating temperature 5 °c to 40 °c (41 °f to 104 °f) operating humidity 5 % to 90 % signal system ntsc ...

  • Page 7: Section 2

    2-1 section 2 cabinet & main chassis contents 1. Exploded views ................................................................................................................2-2 1. Cabinet and main frame section .........................................................................................

  • Page 8: Exploded Views

    2-2 exploded views 1. Cabinet and main frame section a43 a42 a49 280 465 250 467 467 467 284 283 ld601 300 330 276 260 a46 a46a a48 a00 a26 285 457 457 457 457 467 467 452 274 452 330 323 optional parts a 5 4 3 2 1 b c d.

  • Page 9

    2-3 2.Packing accessory section battery 808 bag 804 packing 803 806 instruction assembly cable(coaxial) 810 cable ass'y rf 801 remocon 900 box carton 802 packing 803 811 812 plug ass'y 1way plug ass'y 2way optional parts.

  • Page 10: Section 3

    3-1 section 3 electrical contents overall wiring diagram ..............................3-2 vcr part electrical adjustment procedures ............................................................3-3 electrical troubleshooting guide .........................................................................

  • Page 11: Overall Wiring Diagram

    Overall wiring diagram 3-2 pmc01 cfg 12va(cap) 5.2va cap rev'h' i-limit motor gnd gnd 12va(drum) cap ctl ld in dfg/fg drum ctl 1 2 3 4 5 6 7 8 9 10 11 12 1 2 3 4 5 6 7 8 9 10 11 12 pmp01 5.3va 5.0v gnd cap vcc reg 12v 33v 12va(drum) pwr ctl 'h' gnd nc gnd gnd 1 2 3 4 5 6 7 8 9 10 11 12 1 2 3 4 5 6 7...

  • Page 12: Vcr Part

    3-3 electrical adjustment procedures 1. Servo adjustment 1) pg adjustment • adjustment and specification • test equipment a) oscilloscope b) ntsc model : ntsc sp test tape mode play • adjustment procedure a) insert the sp test tape and play. B) connect the ch1 of the oscilloscope to the h/sw(w861, w...

  • Page 13

    3-4 electrical troubleshooting guide 1. Power(smps) circuit no 5.3va. Replace the f101. (use the same fuse) is the f101 normal? Is the r101 normal? Is the bd101 normal? No no no no no no replace the bd101. Replace the r101. Is the d102 normal? Check or replace the d102. Replace the d112. Replace the...

  • Page 14

    No -27va. Check or replace d108. Yes (7) no -27va 3-5 no 5v. 5.3va line check. Is 5.3va put into the q160 emitter? Is about 5v put into the q160 base? Is the q162 base “h”? No no no check the power control. Check or replace the q162, r157, r158, r159, d121. Yes yes yes yes check or replace the q162/...

  • Page 15

    3-6 no 8v. Check or replace the d110. Is vcc(13v) supplied to (+) terminal in d114? Is the q162 base “h”? Is vcc(12v) supplied to ic151 pin1? No no check or replace the d114. No check the power control. Yes yes yes check or replace ic151, r170, c154. Yes (8) no 8v(to dvd) no 3.3v. Is vcc(4v) supplie...

  • Page 16

    3-7 2. System/key circuit (1) auto stop (2) the unstable loading of a cassette tape auto stop does the sw30 waveform appear at the ic501 pin18? Do the t-up reel pulses appear at the ic501 pin80? Is 12v applied to the pmc01 pin8? Check the drum motor signal. Does 5v appear at the rs501? Check the q16...

  • Page 17

    3-8 3. Servo circuit (1) unstable video in pb mode unstable video in pb mode. Does the noise level of the screen change periodically? Do the ctl pulses appear at the ic501 pin97? Is adjusting the height of the ctl head accurate? Readjust the height of the ctl head. Replace the ic501. Refer to “when ...

  • Page 18

    3-9 does the cfg signal appear at the pmc01 pin1? Does the pwm signal appear at the ic501 pin77? Does 2.8v appear at the pmc01? Check the pmc01 and the capstan motor ass’y. Does the capstan pwm signal appear at the ic501 pin77? Aren’t the foil patterns and components between ic501 pin77 and pmc01 pi...

  • Page 19

    3-10 4. Osd circuit (1) no osd display. (2) i 2 c bus check key doesn’t working. Is 5v applied to the ic501 pin79? Does led or fld change when a function button is pressed? No osd or f.Osd display. Is 5.3v applied to the ic501 pin53? Does oscillation occur at the ic501 pins44, 45? Replace the ic501....

  • Page 20

    3-11 5. Y/c circuit (1) no video in ee mode, no video in ee mode does the video signal appear at the ic302 pins1, 5? Is there 5v at the ic302 pin6? Replace the ic302. Does the video signal appear at the ic301 pins28, 30, 32? Is reg 5.0v applied to the ic301pins23, 44, 45, 52, 68, 77? Does the video ...

  • Page 21

    3-12 3. Y/c circuit (2) when the y(luminance) signal doesn’t appear on the screen in pb mode, is 5v applied to the ic301 pins23, 44, 45, 52, 68, 77? Is the y/c bus siganl applied to the ic301 pins53, 54, 55? Does the normal rf signal appear at the ic301 pin 14? Check the line of the reg 5v line. (po...

  • Page 22

    3-13 3. Y/c circuit (3) when the c(color) signal doesn’t appear on the screen in pb mode, is 5v applied to the ic301 pins23, 44, 45, 52, 68, 77? Does the color signal appear at the ic301 pins41, 50? Check the line of the reg 5v line. (power circuit) replace the x301. Check the c342, c341, r333. Is n...

  • Page 23

    3-14 3. Y/c circuit (4) when the video signal doesn’t appear on the screen in rec mode, yes yes yes yes yes yes no no yes yes yes yes yes check system part (v.H/sw) replace the ic301. Check the drum *option pins72, 73, 74(sp) pins65, 66, 67(ep) rec mode check the ee mode no is ee mode normal? Is col...

  • Page 24

    3-15 6. Hi-fi circuit (1) no sound(ee mode) yes no sound. Check the sif.In of ic801 pins57. Check the dvd audio of ic801 pins12, 74. Check the av1 audio of ic801 pins11, 73. Check the av2 audio of ic801 pins9, 71. Check the vcc of ic801 pins3, 5, 15, 32, 36, 46, 54. Yes check the iic clock and data ...

  • Page 25

    3-16 3. Y/c circuit (2) hi-fi playback yes yes yes yes pb mode no sound. Check the vcc of ic801 (pins3, 5, 15, 32, 36, 46, 54). Check the hi-fi selection switch. (ic801 pin39) and the tape quality. Is the rf envelope at ic801 pin23 over 3vp-p? Yes check ic801 pin37(data), pin38(clock) yes do audio s...

  • Page 26

    3-17 (3) hi-fi rec hi-fi rec. It is impossible to record hi-fi audio signal. Check vcc of ic801. (pins3, 5, 15, 32, 36, 46, 54) yes yes check ic801 pin37(data), pin38(clock). Yes do audio signals appear at ic801 pin6? Yes do audio signals appear at ic301 pin76(normal audio)? Yes do osc signals appea...

  • Page 27

    3-18 7. Tuner/if circuit (1) no picture on the tv screen no picture on the tv screen does the video signal at the tu701 pin16. Yes yes yes is +33v applied to tu701 pin14? Yes is +5v applied to tu701 pin3? No does the video signal appear at ic302 pin7. No does the video signal at the ic501 pin 52. Ye...

  • Page 28

    3-19 (2) no sound no sound. Check the vcc of tu701 pins3, 14. Yes check 5.2v, 33v line. No check the tuner sif signal at ic801 pin57. Yes check the audio of ic801 pins78, 80. Yes check the signal flow from ic801 pins78, 80 to jk601 audio out(l), (r) yes check the tuner sif of tu701 pin13. No 1. Chec...

  • Page 29

    3-20 3-21 block diagrams 1. Power(smps) block diagram 4 3 1 2 to cap mot 12va to sys -27va to sys fd(+) to sys fd(-) to drum mot 12va to dvd/hi-fi reg 12v to dvd 8v to dvd 3.3v to tuner 33v to sys/hi-fi/tu 5.0v to dvd 5v from µ-com pwr ctl 'h' to sys/hi-fi/tu 5.3va drive & s/w block over current lim...

  • Page 30

    3-22 3-23 2. Tu/if block diagram 5.3v a 5.0v gnd cap vcc reg 12v 33v drum vcc pwr ctl 'h' gnd hsr 'h' gnd gnd fd(-) fd(+) -27v a pmp01-ppm01 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 a.In ch s/w reg 5v control v .In rf agc nc enable clock d ata aft a.Out sif tu 30v nc v .Out 999 gnd 83 pwr ctl 'h' 81 hsr ...

  • Page 31

    3-24 3-25 3. Y/c block diagram ep pb 'a' ep pb 'b' sp pb 'b' sp pb 'a' 64 59 58 57 55 54 53 65 67 72 74 acc det env det c-rot rf-sw in y/c ena y/c da t a y/c clock v.Out audio mute ha sw p p p c-lpf main conv 3.58m bpf2 acc amp acc det clamp y lpf clamp clamp in out vca ccd 3.58m bpf1 y/c mix 6db do...

  • Page 32

    3-26 3-27 4. Normal audio block diagram ic301 la71206m sif a_in rf_mod ic801 la72670m tuner tu701 10 76 det normal audio out line audio(r) in line audio(l) in rear jack a. Out (l) alc 4 6 13 1 57 9 2 71 80 78 a. Out (r) (system) ic801 la72670m ic301 la71206m amp eq amp 78 4 10 a. Out (r) mod. Out da...

  • Page 33

    3-28 3-29 5. Hi-fi block diagram a b hi-fi/ rec ic801 la72670m a.Out to jack modulator a.Out (to tu) 24 hi-fi pb 'b' hi-fi pb 'a' hi-fi rec 57 12 74 11 73 9 71 6 4 26 27 80 a.Out 'l' a.Out 'r' 78 3 audio input block normal audio out(to avcp) normal audio in(from avcp) sif dvd a.In 'l' dvd a.In 'r' a...

  • Page 34

    3-30 3-31 6. System block diagram gnd mode s1 mode s2 mode s3 mode s4 mode s/w to/from avcp t-up reel t-up end sup reel cst.Sw/rec tap 5v cs501 5.3va 5.3va es501 r550 ld501 deck ir led r553 r555 rs501 rs502 r556 r558 c582 r538 r535 r537 r536 c534 r544 c552 r5c6 c500 c517 r541 r529 r583 l512 ms501 x5...

  • Page 35

    3-32 3-33 notes) symbol denotes ac ground. Notes) symbol denotes dc chassis ground. Note) warning note) parts that are shaded are critical note) with respect to risk of fire or note) electricial shock. Circuit diagrams 1. Power(smps) circuit diagram switching error. Ic101 is defective. Switching err...

  • Page 36

    3-34 3-35 2. Tu/if circuit diagram pb rec.

  • Page 37

    3-36 3-37 3. A/v circuit diagram 3 1 1 7 8 9 1 4 5 2 6 pb y+c rec y+c waveform auto tracking has failed. Ic301 pin 59 is defective. Pb color signal does not appear. Ic301 pin 57 is defective. Ic301 doesn’t operate. Ic301 pins 53, 54, 55 are defective. Pb color signal does not appear. Ic301 is defect...

  • Page 38

    3-38 3-39 4. Hi-fi circuit diagram pb rec 100 100 t/w ktc3875 '02. 12. 04 r13734c 23 pin is defective. Hi-fi audio is not appear. Ic801 pins37, 38 aredefective. All audio is not appear..

  • Page 39

    3-40 3-41 5. Jack circuit diagram.

  • Page 40

    3-42 3-43 6. System circuit diagram 1 3 4 8 5 6 7 2 waveform 0 r545 0 14 504 1k c542 680p mtz5.6b mtz5.6b 5 6 7 8 4 3 2 1 r502 100 72 71 99 r501 100 ic501 m37762 ic503 '02. 12. 04 r13732c from to jack eeprom 29 28 vcr lcd dvd led nc q501, q503 are defective. µ-com is unstable. Ic505 is defective. Vc...

  • Page 41

    3-44 3-45 7. Timer circuit diagram(xbv343).

  • Page 42

    3-46 3-47 8. Timer circuit diagram(xbv342).

  • Page 43

    3-48 3-49 • waveforms * ic301 waveform ic301 pins 20, 21, 22 100mv/10msec div vv/ee 20 main de emphasis filter 21 main de emphasis out 22 clamp in ic301 pin 32 200mv/10msec div ee (video in) ic301 pin 41 100mv/0.2msec div rec/pb (2fsc) ic301 pin 25 1.0v/20msec div vv/ee (c-sync out) ic301 pin 49 100...

  • Page 44

    3-50 3-51 • circuit voltage chart ee play mode pin no. 2.3 2.29 2.29 2.29 2.31 2.3 0 2.31 2.31 2.25 4.93 1 0.97 1.92 1.55 0 2.37 2.39 0 2.46 1.73 3.07 4.96 0 0.36 1.83 1.47 2.25 2.32 2.25 4.08 2.25 3.62 2.97 3.13 2.37 2.35 0 1.82 0 0.83 2.34 0 4.92 4.95 2.27 3.31 3.32 3.94 2.54 2.12 4.95 4.75 4.7 2....

  • Page 45

    3-52 3-53 printed circuit diagrams 1. Main p.C.Board location guide.

  • Page 46

    3-54 (xbv342) 3-55 2. Key 1(left) p.C.Board location guide (xbv343) (xbv343) location guide 3. Key 2(right) p.C.Board location guide location guide (xbv342).

  • Page 47

    3-56 3-57 4. Power p.C.Board location guide notes) warning notes) parts that are shaded are critical notes) with respect to risk of fire or notes) electricial shock..

  • Page 48: Dvd Part(Ns Model)

    3-58 electrical troubleshooting guide dvd part(ns model) replace ic301. Refer to vcr part check short reconnect it. 1. µ-com circuit a. No power does logo appear on the screen? Is oscillation of x501 normal? Are ic501 normal? Does no disc appear? Does hello appear at fld? Is pdv02 connected normally...

  • Page 49

    3-59 b. Audio abnormal d. Open/close abnormal check the connection of pdv02. Check pmd03 pins 5, 6. Check audio jack. Yes (if ok) yes no no yes yes (if ok) yes yes (if ok) yes (if ok) yes (if ok) check mpeg_clk signal (ic501 pin22) of mpeg part. Refer to audio part. Refer to mpeg part. Replace main ...

  • Page 50

    3-60 e. Picture abnormal check the disc. If ok yes (if ok) yes (if ok) refer to servo part check mpeg_clk signal (ic501 pin22) of mpeg part check dsp check mpeg yes (if ok) replace main b/d picture abnormal f. Disc error check disc yes (if ok) yes (if ok) refer to servo part replace main b/d disc er...

  • Page 51

    3-61 power is on does logo appear on the screen? Does the moving picture of the dvd disc play on the screen normally? Is mpeg data signal normal? Is error signal normal? Is mpeg data signal normal? Is clock normal? Does the audio sound output from mpeg decoder? Does the moving picture of the video c...

  • Page 52

    3-62 does signal pulse input to ic201 pins53, 54 when the power is on? Does signal goes "high" to ic201 pin186 when the power is on? Does 33.8688mhz clock input to ic201 pin138? Does 33.8688mhz clock input to ic201 pin59? Is ic201 pins79, 80, 84, 88 voltage about 2.2v? Replace ic201 (ic206 soldering...

  • Page 53

    3-63 does tray open or close? Does the pick-up slide inner or outer track? Fig.1. Sled driver waveform fig.2. Focus driver waveform does the voltage change at pmd03 pins7, 8 more than 2v on the basis of 3.8v? Pressing the open/close key repeatedly, check the voltage of ic2m1 pins14, 15 change 0v to ...

  • Page 54

    3-64 focus on? Check the focus error moving the lens up and down. (ic2a1 pin39) does the ttl level change at ic201 pin121 and 152 moving the lens? Does the disc turn? Is ok the track jump. Does the signal pulse appear at ic201 pins150, 151? Does the screen appear? Open/close replace µ-com or ic201. ...

  • Page 55

    3-65 is the eye-pattern vivid? Does the sawtooth waveform emit at ic2a1 pin36? Does the 1.6v emit? Check rf eye-pattern. Rf : 1.5-1.6v(tp2a0) fig.5. Rf waveform check ic2a1 pin3. No signal: pick-up is defective replace ic201. Check ic201 pin84. No signal at ic201 : ic201 is defective • check ic201 p...

  • Page 56: Block Diagrams

    Block diagrams 1. Dvd overall block diagram m m di s c spin d l e mot o r lo a d in g mot o r deck m echani sm cd : a ,b , e , f dvd: a, b ,c ,d, dvd; r f pic k up ic 203 s dra m 16bi t 16m ic 201 hdc 25d811 cd / dv d dsp ic 50 1 pantera le / plus ic 301 hs353106 cpld i/o port 72 ic3 0 5 sdram 16 /3...

  • Page 57

    3-67 ic2a1 hd153702tf rf signal processdr ic201 hdc25d811b cd/dvd dsp dvd servo ic203 sdram 16m ic2m1 fan8004 spindlemotor,loadingmotor, actuator driver pick up dvd:a,b,c,d, sens,fok, msda t o,defect ,dsp_sense sqso,sqck,scor xla t ,s_clk,s_da t a dsp_cs,/wr,/rd do[0:7] ao[0:5] dvd_da t a[0:7] mck u...

  • Page 58

    3. Audio block diagram ic401 cs4932 aud io dac ic402 l pf & bu ff er k a 5532 op a m p l r u-com i/f da_ dat a 0 d a c_rs t s_ dat a s_ c l k dac _ l 0 da_ l r c k d a _bck da_ x c k l r to vcr mp e g i/f zenith 3-68.

  • Page 59

    3-69 4. Memory block diagram ic501 pantera-2 le/plus ic 30 1 hc353106 ic305 s dram 16/32bit 64m ic502 93c46 eep r o m ic3f 1 fl a s h me mory ad[0 :7 ] 8 ds p i/f dvd[0 :7 ] 8 la [0 :3 ] 4 sclk ,sd a t a sqc k ,s qs0 req p sdc l k 1 ,psync dsp_ int sense /d sp_ cs ad[04 :21] rf & mo t o r i/f mi rr ...

  • Page 60

    '02. 12. 04 r17147a zenith 5 tracking loop focus loop sled loop spindle loop waveform 16m sdram 10 µ /16v 22 dsp ii to/from mpeg 3-70 3-71 circuit diagrams 1. Dvd dsp circuit diagram.

  • Page 61

    5 4 3 2 4 1 4 '02. 12. 04 r17145a zenith tracking loop focus loop sled loop spindle loop waveform q2a5, q2a6 to/from memory to/from memory to/from dsp to/from dsp to/from mpeg to/from memory to/from dsp to/from dsp 3-72 3-73 2. Drive & rf circuit diagram.

  • Page 62

    Tray not open/close digitron all not display system not working tray not open/close digitron all not display system not working digitron all not display system not working '02. 12. 04 r17148a zenith digitron all not display system not workry drive & rf c324 c307 6870r9241aa x 0.1 µ 6870r9241ab 0.1 µ...

  • Page 63

    '02. 12. 04 r17150a zenith pdv01-ppd01 pdv02-pmd01 pdv03-pmd02 (to/from vcr jack) (to/from vcr system) (to/from vcr power) to/from mpeg to/from mpeg to/from jack to/from memory 3-76 3-77 4. Interface circuit diagram.

  • Page 64

    Optical/coaxial out cvbs y/pb/pr(componet) y/c(s-vhs) waveform '02. 12. 04 r17146a zenith hb-1s1608 mm74hct244 l510 l511 r502 aa x x x ab hb hb o 3-78 3-79 5. µ-com/expander circuit diagram.

  • Page 65

    '02. 12. 04 r17149a zenith dap202k 3-80 3-81 6. Jack circuit diagram.

  • Page 66

    3-82 3-83 • waveforms ic2a1 tp2a0 ic2a1 pin 36 tracking error ic501 pin 114 component y ic2a1 pin 36 vbr tracking error ic2a1 pin 39, focus error ic2a1 pin 38, pe ic2a1 pin 39, focus error(in focus search) ic201 pin 48, focus drive(fdo) ic501 pin 118, composite ic501 pin 112, chrominance (super vide...

  • Page 67

    3-84 3-85 • circuit voltage chart i c 2 a 2 i c 2 a 4 i c 2 m 1 stop play mode pin no. 3.21 3.21 3.21 3.21 3.21 3.21 3.21 3.21 0.00 3.21 3.21 3.21 3.21 3.21 3.21 3.21 3.21 3.21 3.21 3.21 3.21 0.01 0.01 3.21 3.21 0.02 0.02 0.02 0.02 0.02 0.02 0.02 3.21 3.21 3.21 0.02 1.80 0.02 0.02 0.02 1.78 0.02 0.1...

  • Page 68

    3-86 3-87 ee play mode 0.16 3.23 0.00 0.92 0.98 0.00 1.76 3.23 0.00 0.00 0.00 0.00 3.23 1.76 0.00 0.19 0.83 3.21 0.91 0.00 0.00 1.28 1.10 0.45 1.28 1.97 0.00 0.00 0.53 0.57 3.23 1.83 0.00 3.22 0.00 1.75 0.00 0.00 0.00 3.23 1.76 0.00 0.00 0.00 0.00 3.27 0.00 0.00 0.00 0.00 3.23 0.00 0.00 0.00 0.00 0....

  • Page 69

    3-88 3-89 ee play mode 3.25 3.25 3.25 1.60 2.14 2.07 3.25 2.71 2.13 3.25 5.02 3.23 2.07 2.06 5.02 3.24 1.62 0.82 3.25 2.42 2.15 3.25 3.25 3.25 3.25 2.26 5.02 2.27 5.02 3.19 3.19 5.04 3.25 3.24 3.24 1.79 4.86 3.25 2.22 4.78 5.40 5.39 5.40 5.41 5.40 5.40 5.39 11.97 7.94 5.04 5.02 pin no. C3f3 c293 c26...

  • Page 70

    Location guide 3-90 3-91 printed circuit diagrams 1. Main p.C.Board (top view).

  • Page 71

    Location guide 3-92 3-93 2. Main p.C.Board (bottom view).

  • Page 72: Dvd Part (Mtk Model)

    3-94 electrical troubleshooting guide 1. System operation flow power on no yes yes yes no no no show logo tray closed? Tray close to closed position sled moves to inner position recieve open/ close key? Receive close key? 1. Stop playback & open tray 2. Display tray open message & logo 1. Execute pr...

  • Page 73

    3-95 2. Test & debug flow test check the power part no yes no yes no no no yes yes check the power part check the regulators or diode(d601). Check the cable connection. (pdv02) 1. Check 27mhz system clock. 2. Check systemreset circuit. 3. Check flash r/wenable signal prd, rwr. 4. Check rs232 signals...

  • Page 74

    3-96 a b reset or power on. Show logo? Flash memory operates properly? Check connecti on lines between flash & mt1379 and the flash access time whether is sui table or not. Sdram works properl y? Mt1379 video outputs properly? Have tv signal output? Check av cable connection to tv set . Check the lo...

  • Page 75

    3-97 b no yes yes yes no yes yes yes no yes no no no does the sled move to inner side when it is at outter positi on? Motor driver stby pin is high? Motor driver stby pin is high? Sl+ and sl- output properl y? Optical lens has movements for searching focus? Proper f+ & f- outputs? Check cable connec...

  • Page 76

    3-98 c no no no no no no no yes yes yes yes yes yes yes yes yes no no laser turns on when reading disc? Ld01 or ld02 output properly? Check the laser power circuit on mt1336 and connecting to power transistor. (q204, q205) check therel ated ci rcuit on laser power transi stor check the related circu...

  • Page 77

    3-99 d yes yes no no yes yes yes yes yes yes yes no no no no no focus on ok? Track on ok? Disc is play? E proper signals on a, b, c, d of mt1336 check connections between mt1336 and pick-up head. Proper feo signal on mt1336? Proper feo signal on mt1336? Check the related circuit on mt1336 feo sugnal...

  • Page 78

    3-100 e normal audio output when disc playback? Test end audio dac received correct data stream? Normal audio dac out? (ic401) check audio filter, amplify, mute circuit. (ic402 application circuit)? Check connection between mt1379 & audio dac. (check vrst#, aclk, abck, asdat3) check the related circ...

  • Page 79

    Details and waveforms on system test and debugging 1. System 27mhz clock,reset,flash r/w signal 1) mt1379 main clock is at 27mhz(x501) 3.8v, 27mhz fig 1-1 2) mt1379 & mt1336 reset is high active. Pwr_ctl(cn505 pin 7) 5.2va power cord in m_reset(cn505 pin 9) urst(ic501 pin 188) fig 1-2 3-101.

  • Page 80

    3-102 3) rs232 waveform during procedure(downloading) txd(j6 pin3) rxd(j6 pin 2) fig 1-3 4) flash r/w enable signal during download(downloading) frd(ic5a1 pin 28) fwr(ic5a1 pin 11) fig 1-4.

  • Page 81

    3-103 2. Sdram clock 1) mt1379 main clock is at 27mhz(x501) (ic502,ic503 pin 35) dclk = 93mhz, vp-p=2.2, vmax=2.7v fig 2-1 3. Tray open/close signal 1) tray open/close waveform open((cn203 pin 3) close(cn203 pin 2) tropen(ic202 pin 1) trclose(ic202 pin 2) fig 3-1.

  • Page 82

    3-104 2) tray close waveform open((cn203 pin 3) close(cn203 pin 2) tropen(ic202 pin 1) trclose(ic202 pin 2) fig 3-2 3) tray open waveform open((cn203 pin 3) close(cn203 pin 2) tropen(ic202 pin 1) trclose(ic202 pin 2) fig 3-3.

  • Page 83

    3-105 4. Sled control related signal (no disc condition) fmso(2.0v/1.4v/1.0v) (ic501 pin 19) stby(5v) – (ic201 pin 50) sl+(4.7v/3.6v/1.9v) (ic202 pin 12) sl-(5.3v/3.7v/2.5v) (ic202 pin 13) fig 4-1 5. Lens control related signal(no disc condition) foso(1.5v/1.4v/1.3v) (ic501 pin 12) f+(4.0v/3.6v/3.2v...

  • Page 84

    3-106 6. Laser power control related signal(no disc condition) mdi1(0v/180mv) (ic201 pin 124) ld01(5.0v//3.5v) ic201 pin 125) ld02(5.0v/3.6v) (ic201 pin 126) fig 6-1 7. Disc type judgement waveform f+(ic202 pin 9) fe(ic201 pin 18) rfl(ic201 pin 19) fig 7-1 (dvd).

  • Page 85

    3-107 f+(ic202 pin 9) fe(ic201 pin 18) rfl(ic201 pin 19) fig 7-2 (dvd) f+(ic202 pin 9) fe(ic201 pin 18) rfl(ic201 pin 19) fig 7-3 (cd).

  • Page 86

    3-108 f+(ic202 pin 9) fe(ic201 pin 18) rfl(ic201 pin 19) fig 7-4 (cd) 8. Focus on waveform fe(ic201 pin 18) foso(ic501 pin12) f+(ic202 pin 9) f-(ic202 pin 8) fig 8-1 (dvd).

  • Page 87

    3-109 fe(ic201 pin 18) foso(ic501 pin12) f+(ic202 pin 9) f-(ic202 pin 8) fig 8-2 (cd) 9. Spindle control waveform (no disc condition) dmso(1.4v/1.8v) (ic501 pin 18) sp-(3.6v/2.4v) (ic202 pin 10) sp+(3.6v/4.8v) (ic202 pin 11) fig 9-1.

  • Page 88

    3-110 10. Tracking control related signal(system checking) te(ic201 pin 21) trso(ic501 pin 13) t-(ic202 pin 7) t+(ic202 pin 6) fig 10-1(dvd) te(ic201 pin 21) trso(ic501 pin 13) t-(ic202 pin 7) t+(ic202 pin 6) fig 10-2(cd).

  • Page 89

    3-111 11. Rf waveform rfop(2.3v/1.1v) (ic201 pin 6) rfon(0.8v/2.0v) (ic201 pin 7) fig 11-1 12. Mt1379 audio optical and coaxial output (aspdif) (ic501 pin 153) fig 12-1.

  • Page 90

    3-112 13. Mt1379 video output waveform 1) full colorbar signal(cvbs) (ic604 pin 23) dclk = 93mhz, vp-p=2.2, vmax=2.7v fig 13-1 2) y (ic604 pin 21) fig 13-2.

  • Page 91

    3-113 3) c (ic604 pin 26) dclk = 93mhz, vp-p=2.2, vmax=2.7v fig 13-3 14. Audio output from audio dac 1) audio l/r fig 14-1 (jk601 pin 4,5).

  • Page 92

    3-114 2) audio related signal asdat3(ic501 pin 157) abck(ic501 pin 148) alrck(ic501 pin 149) asdata3 fig 14-2.

  • Page 93: Block Diagrams

    3-115 block diagrams 1. Overall block diagram m m disc spindl e mo to r lo a d ing mo t o r deck mechanism dv d: rf 0 ,a ,b, c, d c d :r f0 ,a,b ,c ,d ,e, f pick up key in p u t b/pb ic5 a 1 29lv800t a -70 1m 8bit fl a s h rom urst a[00 :1 9] pc e# pr d # pw r # dq[00:15] rfon,r fop ,feo ,r f l ,cs ...

  • Page 94

    3-116 ic202 la6560 motor driver dvd: a,b,c,d, rfo cd: a,b,c,d, e, f,rfo sp+, sp - m/ d pick up x501 ic501 mt1379 dvdplayer combo chip ic201 mt1336e rf signa l processor foso,trso,fmso dmso,,tropen feo,teo,rfl,rfrp bdo,cso,htrc,v2p8 adi n f+, f-, t +, t - sl+ , sl - load+, load - 27m h z x- t a l rfo...

  • Page 95

    3-117 3. Mpeg & memory block diagram ic503 sdra m 16 m ic505 eepro m iic 501 (mpeg + dsp ) mt1379 ic5a 1 flash memory (8 m ) ic510 (74hct244 ) voltage level shift video int e rface audio int erface rf ic int erface front mi co m in te rfa c e (f r o n t b o a r d ) ic502 sdra m 16 m rfop,rfon,htrc,r...

  • Page 96

    3-118 4. Video & audio block diagram ic5c1 video 6db am p ic401 audio dac (2ch) ic402 (op amp) lpf&buffer cvbs component (r.G.B) / (y.Pb.Pr ) super video (y/c) (r.G.B) / (y.Pb.Pr ) (y/c) dac reset aclk scl sd a interface mp eg mp eg audio ‘r ’ audio ‘r ’ adata3 combi scart mtk.

  • Page 97

    3-119 3-120 system not working or screen is abnormal no power on video signal not appeared video signal y video signal color digitron all not display system not working program download fail combi scart mtk '03. 3. 25 sr17444a circuit diagrams 1. System circuit diagram.

  • Page 98

    3-121 3-122 2. Rf & dsp servo circuit diagram cd/dvd ld will not on combi scart mtk '03. 3. 25 sr17445a.

  • Page 99

    3-123 3-124 3. Audio circuit diagram combi scart mtk '03. 3. 25 sr17447a.

  • Page 100

    3-125 3-126 4. Av/jack circuit diagram combi scart mtk '03. 3. 25 sr17446a.

  • Page 101

    3-127 3-128 • circuit voltage chart pin stop play stop play stop play stop play stop play stop play 1 1.03 2.99 0 0 1.22 1.22 3.27 3.28 0 0 0 0 2 5.11 5.08 0 0 0 0 1.18 1.26 0 0 2.59 2.55 3 0 0 8.04 8.01 0.96 0.9 1.1 1.52 0 0 0 0 4 0 0 0.12 0.06 2 2.06 0 0 0 0 2.59 2.56 5 5.11 5.07 0 0.06 0 1.51 0.6...

  • Page 102

    3-129 3-130 pin stop play stop play stop play stop play stop play stop play 161 0 1.27 162 0 2.35 163 0 0 164 0 0.73 165 0 3.27 166 0 0.5 167 0 0 168 0 0.53 169 0 3.27 170 0 0.59 171 0 0 172 3.01 0.72 173 0 0.72 174 0 0 175 0 2.73 176 0 3.13 177 0 3.13 178 0 3.25 179 0 0 180 0 0 181 2.04 2.64 182 0 ...

  • Page 103

    3-131 3-132 printed circuit diagrams 1. Main p.C.Board location guide.

  • Page 104: Contents

    Deck mechanism parts locations • top view..................................................5-1 • top view(without disc tray) .................5-1 • bottom view ...........................................5-1 deck mechanism disassembly 1. Clamp holder....................................5-2 1-1. Disc c...

  • Page 105

    5-1 deck mechanism parts location starting no. 1 1, 2 1, 2, 3 1, 2, 3, 4 1 1, 6 1, 2, 6 1, 2, 6, 8 1, 2, 6, 8, 9 1, 2, 7 1, 2, 7 1, 2 1, 2 ,13 1, 2, 13, 14 1, 2, 7, 12, 13, 14 1, 2, 13 1, 2, 7, 12, 13, 14, 15, 16, 17 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 holder clamp disc clamp assembly plate...

  • Page 106: Deck Mechanism Disassembly

    5-2 deck mechanism disassembly 1. Holder clamp (fig. 5-1) 1) release 1 screws(s1). 2) unhook 2 locking tabs(l1). 3) lift up the clamp holder and then separate it from the base main. 1-1. Disc clamp assembly 1) place the disc clamp assembly as fig. (a) 2) lift up the disc clamp assembly in direction ...

  • Page 107: Deck Mechanism Disassembly

    5-3 deck mechanism disassembly 3. Sled base assembly (fig. 5-3) 1) release 4 screw(s2). 2) disconnect the ffc connector(c1) 3-1. Feed gear assembly 1) unhook the locking tab(l2) in direction of arrow. 3-2. Middle gear 3-3. Gear assembly rack 1) release the scerw(s3) 4. Rear rubber (fig. 5-3) (l2) (s...

  • Page 108: Deck Mechanism Disassembly

    5-4 deck mechanism disassembly 5. Up/down frame assembly (fig. 5-4) put the main base face down(bottom side) 1) release the screw(s4) 2) unlock the locking tab(l3) in direction of arrow and then lift up the up/down frame assembly to separate it from the base main. • when reassembling move the up/dow...

  • Page 109

    Exploded views 1. Deck mechanism exploded view a01 a26 008 009 016 a03 010 a02 014 017 015 431 431 011 011a 430 013 432 026 430 430 012a 430 012 430 012 429 004 001 003 002 012a 018 020 429 5-5 5-6.

  • Page 110: Contents

    Exploded view 1. Deck mechanism exploded view .................................................................................5-1 contents section 5 mechanism of dvd part(mtk model).

  • Page 111: Exploded Views

    Exploded views 5-1 429 429 026 010 018 013 014 017 015 015a 011 430 431 011a 012 004 001 002 003 a01 a26 a02 020 430 430 430 430 012 021 433 433 012 012 028 022 432 024 a03 025 030 015b 015c 435 029 031 431 431 431 024a 024a 024b 1. Deck mechanism exploded view.

  • Page 112: Contents

    Deck mechanism parts locations • top view . . . . . . . . . . . . . . . . . . . . . . . . .4-1 • bottom view . . . . . . . . . . . . . . . . . . . . . . .4-1 deck mechanism disassembly 1. Drum assembly . . . . . . . . . . . . . . . . . . .4-2 2. Top plate assembly . . . . . . . . . . . . . . . .4-4 ...

  • Page 113

    Deck mechanism parts locations 4-1 4 6 3 2 7 9 5 11 18 16 19 17 19 12 13 15 10 1 31 14 8 15 33 • top view • bottom view 20 24 23 20 24 22 21 29 30 29 30 25 32 27 26 28 note: when reassembly perform the procedure in the reverse order. 1 drum assembly 3 screw a-1 t 2 top plate assembly 2 hook a-2 t 2 ...

  • Page 114: Deck Mechanism Disassembly

    4-2 deck mechanism disassembly (s3) (s2) (s2) (s3) (a) stator carbon brush drum motor rotor drum sub assembly fpc drum (s1) (s1) (s1) fpc holder h1 h2 1. Drum assembly (fig. A-1-1) 1) unplug the fpc drum connector. 2) remove three screws (s1) on the bottom side and sep- arate the drum assembly. 3) u...

  • Page 115: Deck Mechanism Disassembly

    Deck mechanism disassembly 4-3 (b) (e) (c1) (c) top plate f/l arm assembly s/w spring lever f/l gear rack assembly chassis door opener l/d motor bracket assembly cst holder assembly (b') (c') (d) (e') (h6) (a) (b) s/w lever assembly (h8) fig. A-2 (fig. A-2-1) (fig. A-2-2) (fig. A-2-6) (fig. A-2-7) (...

  • Page 116: Deck Mechanism Disassembly

    4-4 deck mechanism disassembly 2. Top plate assembly (fig. A-2-1) 1) pull the (b) portion of the top plate back in direction of arrow and separate the right side of it. 2) pull the (b’) portion of the plate top back in direction of arrow and separate the left side of it. (tools: (-) flat type screwd...

  • Page 117: Deck Mechanism Disassembly

    Deck mechanism disassembly 4-5 9. Cleaner arm assembly (fig. A-3-1) 1) carefully pry tab "a" (see fig.A-3-1) to clear the embossed tab on the chassis. Turn the cleaner arm assembly clockwise and lift it from the chassis. 10. F/e head (fig. A-3-2) 1) carefully pry tab "a" (see fig.A-3-2) to clear the...

  • Page 118: Deck Mechanism Disassembly

    4-6 deck mechanism disassembly t brake assembly tb spring (h9) t reel rs brake assembly rs spring tension arm assembly tension spring s reel tension base (h11) (h12) chassis (h10) fig. A-4 12. T brake assembly (fig. A-4-1) 1) unhook the tb spring from the hook (h9) of the chassis. 2) llift the t bra...

  • Page 119: Deck Mechanism Disassembly

    Deck mechanism disassembly 4-7 lid opener pinch arm assembly p4 base assembly t/up arm t/up lever (a) (b) (c) (c) (h13) (b) (h13) chassis fig. A-5 16. P4 base assembly (fig. A-5-1) 1) carefully pry the (a) portion of the p4 base assembly from the embossing of the chassis. 2) turn the p4 base assembl...

  • Page 120: Deck Mechanism Disassembly

    4-8 deck mechanism disassembly chassis (s5) capstan belt capstan motor washer(w1) f/r lever d35 clutch assembly capstan brake assembly (l1) (l2) (l1) fig. A-6 20. Capstan belt (fig. A-6-1)/ capstan motor (fig. A-6-2) 1) remove the capstan belt.. 2) remove the three screws (s5) from the bottom of the...

  • Page 121: Deck Mechanism Disassembly

    Deck mechanism disassembly 4-9 drive gear washer (w2) cam gear slider plate tension lever spring lever loading base sector gear (l3) (h15) (h16) (h14) (a) chassis drive gear hole(c) cam gear hole(b) drive gear hole(a) fig. A-7 24. Drive gear (fig. A-7-1)/ cam gear (fig. A-7-2) 1) remove the washer (...

  • Page 122: Deck Mechanism Disassembly

    4-10 deck mechanism disassembly p3 gear assembly p2 gear assembly p2 base assembly p3 base assembly (a) (b) chassis p2 gear assembly hole sector gear hole(a) slider plate hole(b) spring lever boss p3 gear assembly hole fig. A-8 29. P2 gear assembly (fig. A-8-1)/ p3 gear assembly (fig. A-8-2)/ 1) lif...

  • Page 123: Deck Mechanism Disassembly

    Deck mechanism disassembly 4-11 (a) (b) (c) (s7) idler arm jog assembly loading base tension base chassis (d) fig. A-9 31. Loading base (fig. A-9-1) 1) remove the screw (s7). 2) lift the loading base up. 32. Tension base (fig. A-9-2) 1) remove the (a) portion of the tension base from the embossing o...

  • Page 124: Deck Mechanism Disassembly

    Deck mechanism disassembly 4-12 • tools and fixfures for service 1. Cassette torque meter 1. Srk-vht-303 (not svc part) 1. Parts no: d00-d006 4. Torque gauge adaptor parts no:d09-r001 5. Post height adjusting driver parts no:dtl-0005 6. + type driver (ø 5) 2. Alignment tape parts no ntsc: dtn-001 pa...

  • Page 125: Deck Mechanism Adjustment

    Deck mechanism adjustment 4-13 purpose:to determine if the mechanism is in the correct position, when a tape is ejected. 1. Mechanism alignment position check 1) turn the power s/w on and eject the cassette by press- ing the eject button. 2) remove the top cover and top plate assembly, visual- ly ch...

  • Page 126: Deck Mechanism Adjustment

    4-14 deck mechanism adjustment purpose: to insure smooth transport of the tape during each mode of operation. If the tape transport is abnormal, then check the torque as indicated by the chart below. 2. Preparation for adjustment (to set the deck mechanism to the loading state without inserting a ca...

  • Page 127: Deck Mechanism Adjustment

    Deck mechanism adjustment 4-15 4.Guide roller height adjustment adjustment procedure 1) confirm that the tape runs along the tape guide line of the lower drum. 2) if the tape runs at the bottom of the guide line, turn the guide roller height adjustment screw clockwise. 3) if it runs at the top, turn...

  • Page 128: Deck Mechanism Adjustment

    4-16 deck mechanism adjustment 5. Audio/control (a/c) head adjustment 10.9 purpose: to insure that the tape passes accurately over the audio and control tracks in exact alignment in both the record and playback modes. Test equipment/ fixture • blank tape • screw driver (+) type 5mm • play the blank ...

  • Page 129: Deck Mechanism Adjustment

    Deck mechanism adjustment 4-17 purpose: to obtain compatibility with other vcr (vcp) models. 5-2. Confirm that the tape passes smoothly between the take-up guide and pinch roller (using a mirror or the naked eye). 1) after completing step 5-1. (preliminary adjustment), check that the tape passes aro...

  • Page 130: Deck Mechanism Adjustment

    4-18 deck mechanism adjustment purpose: to correct for shift in the roller guide and x value after replacing the drum. 8-2. Check for tape curling or jamming test equipment/ fixture • t-160 tape • t-120 tape specification • be sure there is no tape jamming or curling at the begining, middle or end o...

  • Page 131

    Maintenance/inspection procedure 4-19 (3) f/e head (5) drum assembly (video head) (4) p2 base assembly (2) tension post (1) supply reel (6) p3 base assembly the following faults can be remedied by cleaning and oil- ing. Check the needed lubrication and the conditions of cleanliness in the unit. Chec...

  • Page 132

    Maintenance/inspection procedure 4-20 the recording density of a vcr (vcp) is much higher than that of an audio tape recorder. Vcr (vcp) components must be very precise, at tolerances of 1/1000mm, to ensure com- patiblity with other vcrs. If any of these components are worn or dirty, the symptoms wi...

  • Page 133

    Maintenance/inspection procedure 4-21 (1) greasing guidelines apply grease, with a cleaning patch. Do not use excess grease. It may come into contact with the tape path or drive system. If this occurs wipe off any excess and clean with cleaning patch using isopropyl alcohol. (2) periodic greasing gr...

  • Page 134

    4-22 gear , f/r gear ay, p2 & p3 f/r lever tension base boss cam.

  • Page 135

    Mechanism troubleshooting guide 4-23 auto rew doesn't work. Is the supply to the end sensor end sensor "h"? “h”: more than 3.5v “l”: less than 0.7v~1v is the voltage across ir led between 0.8~1.5v? Replace led. Is the vcc. Voltage of end sensor 5v? Check the syscon power. Replace end sensor. Check s...

  • Page 136

    4-24 mechanism troubleshooting guide auto stop. (play/cue/rev) are there t/up and supply reel pulses. In play/cue/rev is the pinch roller in contact with the capstan shaft. Replace reel sensor. Is the output of dfg, dpg ok? Check aligment positions (page 4- 14) check pinch spring. Replace drum motor...

  • Page 137

    4-25 mechanism troubleshooting guide in pb mode tape presence not sensed. Is the pinch roller attached to the capstan motor shaft? Check alignment positions (page 4-14) does the t/up reel turn? Replace the belt. Is the belt ok? Does the drum motor turn? Are there dpg, dfg pulses? Are the t/up supply...

  • Page 138

    Mechanism troubleshooting guide 4-26 cassette cannot be inserted. Does the lever assembly switch work? Is the lever assembly switch spring damaged or omitted? Does the cst in switch work normally? Replace or add the lever assembly switch spring. Is the vcc of main p.C.Board 5v? Yes yes check syscon ...

  • Page 139

    Mechanism troubleshooting guide 4-27 cassette will not load. Does the cst insert? Does the opener lid work? Is the door opener assembled correctly? Replace the lid opener. Replace the f/l arm assembly. Check the power of l/d motor. Is the cassette holder assembly assembled correctly? Replace the f/l...

  • Page 140: Exploded Views

    4-28 exploded views 11 7 103 105 11 7 100 106 107 a21 11 4 11 3 11 2 11 0 11 5 a24 11 6 102 a23 032 a22 109 054 054a 100a 100b 1. Front loading mechanism section.

  • Page 141: Exploded Views

    Exploded views 4-29 401 402 001 008 011 031 079 017 032 024 406 020 021 028 019 018 029 030 026 a03 a04 a01 002 002a 025 027 022 003 004 006 007 010 405 014 015 009 409 013 023 016 405 012 402 optional part 2. Moving mechanism section (1).

  • Page 142: Exploded Views

    Exploded views 4-30 051 052 517 061 056 058 518 052a 055 060 410 070 069 076 032 077 068 064 066 065 067 a11 078 a12 optional part 3. Moving mechanism section (2).

  • Page 143

    6-1 section 6 replacement parts list model : a) xbv342 (zenith) run date:07,march,2003 mechanical section nsp:not service part s al loca no part no(lg) a description specification remarks dvd side(ns model) assembly section a01 4861r-0006b o clamp assembly disc(dp2)-sh a02 3041r-0056c o base assembl...

  • Page 144

    6-2 s al loca no part no(lg) a description specification remarks 013 3041r-0038a o base assy p3 014 3041r-0039a o base assy p4 015 5870r-0005a o opener lid(d35) 016 3041r-0036a o base assembly a/c head (alps) 017 4408r-0003a o reel s 018 4970r-0140a o spring coil rs d35 019 4421r-0008a o brake assem...

  • Page 145

    6-3 s al loca no part no(lg) a description specification remarks 406 1mec0302018 o pan head machine screw s/w + d 3.0 l 6.0 mswr3/fzy 409 1szzr-0032b o screw,drawing + 1 d2.6 l5.0 swrch18a/fzy tap 410 1apf0262218 o screw tap tite(b),pan head #name? 517 1wzzr-0004d o washer stopper 518 1wzzr-0004a o ...

  • Page 146

    6-4 electrical section s al loca no part no(lg) a description specification remarks vcr side a46 (board assembly) a46 3501r-8510e o board assembly vcr vc663m vcr main c301 0cq2232l559 o capacitor,polyester 0.022uf s 63v k pp ni tp5 c302 0ce4765k618 o capacitor,al.Electrolytic 47uf sr,sv 50v m fl tp ...

  • Page 147

    6-5 s al loca no part no(lg) a description specification remarks c508 0ch1223k516 o capa,chip ceramic m/l h.D f/s 0.022u 50v k b 2.0x1.2 r/tp c511 0ch1223k516 o capa,chip ceramic m/l h.D f/s 0.022u 50v k b 2.0x1.2 r/tp c514 0ch4240k416 o capacitor,chip[ceramic m/l tc 24pf 50v j np0 2012 r/tp c515 0c...

  • Page 148

    6-6 s al loca no part no(lg) a description specification remarks c612 0ce1064f638 o capacitor,electrolytic 10m sra 16v m fm5 tp(5) c613 0ce4775c638 o capacitor,fixed electrolytic 470uf sr,sv 6.3v 20% fm5 tp 5 c614 0ce2274c638 o capacitor,electrolytic 220m sra 6.3v m fm5 tp(5) c701 0ce4754k638 o capa...

  • Page 149

    6-7 s al loca no part no(lg) a description specification remarks c881 0ce1054k638 o capacitor,electrolytic 1.0m sra/ss50v m fm5 tp(5) c882 0ce1064f638 o capacitor,electrolytic 10m sra 16v m fm5 tp(5) c883 0ce1054k638 o capacitor,electrolytic 1.0m sra/ss50v m fm5 tp(5) c884 0ch1104k946 o capacitor,fi...

  • Page 150

    6-8 s al loca no part no(lg) a description specification remarks q702 0tr320309aa o transistor,bipolars ktc3203 kec tp to92 50v 150ma q805 0tr387509ac o transistor chip ktc3875s-gr-t1(alg) kec r301 0rh1002d622 o resistor,metal glazed(chip) 10k ohm 1 / 10 w 2012 5.00% d r302 0rh2702d622 o resistor,me...

  • Page 151

    6-9 s al loca no part no(lg) a description specification remarks r522 0rh1001d622 o resistor,metal glazed(chip) 1k ohm 1 / 10 w 2012 5.00% d r523 0rh5601d622 o resistor,metal glazed(chip) 5.6k ohm 1 / 10 w 2012 5.00% d r524 0rh0000d622 o resistor,metal glazed(chip) 0 ohm 1 / 10 w 2012 5.00% d r525 0...

  • Page 152

    6-10 s al loca no part no(lg) a description specification remarks r5c6 0rh1001d622 o resistor,metal glazed(chip) 1k ohm 1 / 10 w 2012 5.00% d r601 0rh0752d622 o resistor,metal glazed(chip) 75 ohm 1 / 10 w 2012 5.00% d r602 0rh0000d622 o resistor,metal glazed(chip) 0 ohm 1 / 10 w 2012 5.00% d r603 0r...

  • Page 153

    6-11 s al loca no part no(lg) a description specification remarks x501 6212ac2327e o resonator,crystal c-001r seiko epson 32.768 khz x502 6202r1143dc o resonator,crystal h49u bubang 14-31818hz 25ppm 1 zd501 0dz560009cj o diode,zeners gdzj5.6b 26mm grande tp26 do34 zd502 0dz560009cj o diode,zeners gd...

  • Page 154

    6-12 s al loca no part no(lg) a description specification remarks bd01 636-004c o filter(circ),emc bead core bfs3550r2fd8,r t/p bd02 636-004c o filter(circ),emc bead core bfs3550r2fd8,r t/p bd101 0dd160000da o diode s1wba60(1a 600v) shidenken c101 624-088s o capacitor,drawing mpx104k etr/europtronic...

  • Page 155

    6-13 s al loca no part no(lg) a description specification remarks r114 0rd1001f608 o resistor,fixed carbon film 1k ohm 1/6 w 5% ta26 r115 0rn3301f408 o resistor,fixed metal film 3.3k ohm 1/6 w 1% ta26 r116 0rn2701f408 o resistor,fixed metal film 2.7k ohm 1/6 w 1% ta26 r117 0rd2700f608 o resistor,fix...

  • Page 156

    6-14 s al loca no part no(lg) a description specification remarks c262 0ce1064f638 o capacitor,electrolytic 10m sra 16v m fm5 tp(5) c263 0ce1064f638 o capacitor,electrolytic 10m sra 16v m fm5 tp(5) c264 0ce1064f638 o capacitor,electrolytic 10m sra 16v m fm5 tp(5) c265 0ce1064f638 o capacitor,electro...

  • Page 157

    6-15 s al loca no part no(lg) a description specification remarks c2e4 0ch4470k412 o capa,chip ceramic m/l t.C f/s 47p 50v j cog 1.6x0.8 r/tp c2m1 0ce1074f638 o capacitor,electrolytic 100u sra 16v m fm5 tp(5) c2m2 0ch1682k562 o capacitor,chip[ceramic m/l hd 6800p 50v k x7r 1.6x0.8 r/tp c2m3 0ch1472k...

  • Page 158

    6-16 s al loca no part no(lg) a description specification remarks c504 0ce1064f638 o capacitor,electrolytic 10m sra 16v m fm5 tp(5) c506 0ch1225f944 o capacitor,fixed ceramic(temp.C 2.2uf 16v 80%,-20% y5v(f) 3216 c507 0ce4764f638 o capacitor,electrolytic 47m sra/ss 16v m fm5 tp(5) c508 0ch1104f942 o...

  • Page 159

    6-17 s al loca no part no(lg) a description specification remarks ic2m1 0ilnrfa013a o ic,linear fan8004 fairchild 48 qfp tray ic301 0ictmhy011a o ic,customized hs353106 hynix 100 tqfp tray c ic305 0immrhy025a o ic,memories hy57v643220ct-7 hyundai 86p ts ic3f1a 6957r-254aj o program combi dvd module ...

  • Page 160

    6-18 s al loca no part no(lg) a description specification remarks r252 0rh0000c622 o resistor,metal glazed(chip) 0 ohm 1 / 16 w 1608 5.00% d r269 0rh0222c622 o resistor,metal glazed(chip) 22 ohm 1 / 16 w 1608 5.00% d r273 0rh1501c622 o resistor,metal glazed(chip) 1.5k ohm 1 / 16 w 1608 5.00% d r274 ...

  • Page 161

    6-19 s al loca no part no(lg) a description specification remarks r2m3 0rh7501c622 o resistor,metal glazed(chip) 7.5k ohm 1 / 16 w 1608 5.00% d r2m5 0rh1001c622 o resistor,metal glazed(chip) 1k ohm 1 / 16 w 1608 5.00% d r2m6 0rh1002c622 o resistor,metal glazed(chip) 10k ohm 1 / 16 w 1608 5.00% d r2m...

  • Page 162

    6-20 s al loca no part no(lg) a description specification remarks r412 0rh1801c622 o resistor,metal glazed(chip) 1.8k ohm 1 / 16 w 1608 5.00% d r413 0rh8201c622 o resistor,metal glazed(chip) 8.2k ohm 1 / 16 w 1608 5.00% d r414 0rh5601c622 o resistor,metal glazed(chip) 5.6k ohm 1 / 16 w 1608 5.00% d ...

  • Page 163

    6-21 section 6 replacement parts list(ns model) models : a) abv341 , b) xbv343 (zenith) run date:07,march,2003 mechanical section nsp:not service part s al loca no part no(lg) a b description specification remarks dvd side assembly section a01 4861r-0006a o o clamp assy disc(dp2) a02 3041r-0056b o o...

  • Page 164

    6-22 s al loca no part no(lg) a b description specification remarks 013 3041r-0038a o o base assy p3 014 3041r-0039a o o base assy p4 015 5870r-0005a o o opener lid(d35) 016 3041r-0036a o o base assembly a/c head (alps) 017 4408r-0003a o o reel s 018 4970r-0140a o o spring coil rs d35 019 4421r-0008...

  • Page 165

    6-23 s al loca no part no(lg) a b description specification remarks 410 1apf0262218 o o screw tap tite(b),pan head #name? 517 1wzzr-0004d o o washer stopper 518 1wzzr-0004a o o washer stopper cabinet & main frame section assembly section a42 3501r-9999a o board assembly vcr 2003 combi 6tool key a43 ...

  • Page 166

    6-24 electrical section s al loca no part no(lg) a b description specification remarks vcr side a46 (board assembly) a46 3501r-8210c o board assembly vcr vc682m vcr main a46 3501r-8210e o board assembly vcr combi usa c301 0cq2232l559 o o capacitor,polyester 0.022uf s 63v k pp ni tp5 c302 0ce4765k618...

  • Page 167

    6-25 s al loca no part no(lg) a b description specification remarks c508 0ch1223k516 o o capa,chip ceramic m/l h.D f/s 0.022u 50v k b 2.0x1.2 r/tp c511 0ch1223k516 o o capa,chip ceramic m/l h.D f/s 0.022u 50v k b 2.0x1.2 r/tp c514 0ch4240k416 o o capacitor,chip[ceramic m/l tc 24pf 50v j np0 2012 r/t...

  • Page 168

    6-26 s al loca no part no(lg) a b description specification remarks c609 0ce2264f638 o o capacitor,electrolytic 22m sra 16v m fm5 tp(5) c610 0ce1074c638 o o capacitor,fixed electrolytic 100uf sra,ss 6.3v 20% fm5 tp 5 c611 0ce1064f638 o o capacitor,electrolytic 10m sra 16v m fm5 tp(5) c612 0ce1064f63...

  • Page 169

    6-27 s al loca no part no(lg) a b description specification remarks c879 0ce2254k638 o o capacitor,fixed electrolytic 2.2uf sra,ss 50v 20% fm5 tp 5 c880 0ce4754k638 o o capacitor,fixed electrolytic 4.7uf sra,ss 50v 20% fm5 tp 5 c881 0ce1054k638 o o capacitor,electrolytic 1.0m sra/ss50v m fm5 tp(5) c...

  • Page 170

    6-28 s al loca no part no(lg) a b description specification remarks q503 0tr127309aa o o transistor kta1273-tp-y (kta966a)kec q504 0tr387509ac o o transistor chip ktc3875s-gr-t1(alg) kec q505 0tr387509ac o o transistor chip ktc3875s-gr-t1(alg) kec q506 0tr103009aa o o transistor chip krc103s-t1(nc)2...

  • Page 171

    6-29 s al loca no part no(lg) a b description specification remarks r513 0rh3300d622 o resistor,metal glazed(chip) 330 ohm 1 / 10 w 2012 5.00% d r514 0rh0000d622 o o resistor,metal glazed(chip) 0 ohm 1 / 10 w 2012 5.00% d r515 0rh2700d622 o o resistor,metal glazed(chip) 270 ohm 1 / 10 w 2012 5.00% d...

  • Page 172

    6-30 s al loca no part no(lg) a b description specification remarks r592 0rh1002d622 o o resistor,metal glazed(chip) 10k ohm 1 / 10 w 2012 5.00% d r593 0rh1002d622 o o resistor,metal glazed(chip) 10k ohm 1 / 10 w 2012 5.00% d r594 0rh1001d622 o o resistor,metal glazed(chip) 1k ohm 1 / 10 w 2012 5.00...

  • Page 173

    6-31 s al loca no part no(lg) a b description specification remarks r845 0rh1000d622 o o resistor,metal glazed(chip) 100 ohm 1 / 10 w 2012 5.00% d r851 0rh1000d622 o o resistor,metal glazed(chip) 100 ohm 1 / 10 w 2012 5.00% d r856 0rh7501d622 o o resistor,metal glazed(chip) 7.5k ohm 1 / 10 w 2012 5....

  • Page 174

    6-32 s al loca no part no(lg) a b description specification remarks c611 0cn1020k518 o capacitor tubula(high diele) 1000p 50v k b ta26 c612 0cn1020k518 o capacitor tubula(high diele) 1000p 50v k b ta26 jk601 572-034d o jack,rca jpj1022-01-040 hosiden (yl) jk602 572-034c o jack,rca jpj1022-01-030 hos...

  • Page 175

    6-33 s al loca no part no(lg) a b description specification remarks fh01 586-008b o o holder fuse clip tp sinsung fh02 586-008b o o holder fuse clip tp sinsung ic101 0ipmgff001a o o ic,power management ice2b265 infineon 8 dip st smp ic102 657-063a o o sensor ltv-817b,photo coupler(liteon) ic103 0iss...

  • Page 176

    6-34 s al loca no part no(lg) a b description specification remarks c215 0ch1104k942 o capacitor,chip[ceramic m/l hd 0.1uf 50v z y5v(f) 1508 r/tp c216 0ch1104k942 o capacitor,chip[ceramic m/l hd 0.1uf 50v z y5v(f) 1508 r/tp c224 0ch1104k942 o capacitor,chip[ceramic m/l hd 0.1uf 50v z y5v(f) 1508 r/t...

  • Page 177

    6-35 s al loca no part no(lg) a b description specification remarks c2b9 0ch1104k942 o capacitor,chip[ceramic m/l hd 0.1uf 50v z y5v(f) 1508 r/tp c2c1 0ch1103k562 o capacitor,fixed ceramic(temp.C 0.01uf 50v 10% x7r(x) 1608 r/t c2c2 0ce1064f638 o capacitor,electrolytic 10m sra 16v m fm5 tp(5) c2c4 0c...

  • Page 178

    6-36 s al loca no part no(lg) a b description specification remarks c409 0ce2274c638 o capacitor,electrolytic 220m sra 6.3v m fm5 tp(5) c410 0ch4271k412 o capacitor,fixed ceramic(high d 270pf 50v 5% np0 1608 r/tp c411 0ch1102k512 o capacitor,fixed ceramic(temp.C 1000pf 50v 10% b(5yp) 1608 r/t c412 0...

  • Page 179

    6-37 s al loca no part no(lg) a b description specification remarks c554 0ch1104f942 o capacitor,fixed ceramic(temp.C 0.1uf 16v 80%,-20% y5v(f) 1608 c555 0ch4101k412 o chip capa ceramic m/l t.C f/s 100p 50v j cog 1.6x0.8 r/tp c556 0ch4101k412 o chip capa ceramic m/l t.C f/s 100p 50v j cog 1.6x0.8 r/...

  • Page 180

    6-38 s al loca no part no(lg) a b description specification remarks r203 0rh1001c622 o resistor,metal glazed(chip) 1k ohm 1 / 16 w 1608 5.00% d r204 0rh1001c622 o resistor,metal glazed(chip) 1k ohm 1 / 16 w 1608 5.00% d r207 0rh1004c622 o resistor,metal glazed(chip) 1m ohm 1 / 16 w 1608 5.00% d r217...

  • Page 181

    6-39 s al loca no part no(lg) a b description specification remarks r2e7 0rh1000c622 o resistor,metal glazed(chip) 100 ohm 1 / 16 w 1608 5.00% d r2e8 0rh0000c622 o resistor,metal glazed(chip) 0 ohm 1 / 16 w 1608 5.00% d r2f1 0rh2200c622 o resistor,metal glazed(chip) 220 ohm 1 / 16 w 1608 5.00% d r2f...

  • Page 182

    6-40 s al loca no part no(lg) a b description specification remarks r366 0rh0000c622 o resistor,metal glazed(chip) 0 ohm 1 / 16 w 1608 5.00% d r367 0rh1002c622 o resistor,metal glazed(chip) 10k ohm 1 / 16 w 1608 5.00% d r368 0rh1002c622 o resistor,metal glazed(chip) 10k ohm 1 / 16 w 1608 5.00% d r36...

  • Page 183

    6-41 s al loca no part no(lg) a b description specification remarks r532 0rh1201c622 o resistor,metal glazed(chip) 1.2k ohm 1 / 16 w 1608 5.00% d r533 0rh1201c622 o resistor,metal glazed(chip) 1.2k ohm 1 / 16 w 1608 5.00% d r534 0rh6800c622 o resistor,metal glazed(chip) 680 ohm 1 / 16 w 1608 5.00% d...

  • Page 184

    6-42 s al loca no part no(lg) a b description specification remarks c272 0ce4764f638 o capacitor,electrolytic 47m sra/ss 16v m fm5 tp(5) c273 0ch1225f944 o capacitor,fixed ceramic(temp.C 2.2uf 16v 80%,-20% y5v(f) 3216 c274 0ce4764f638 o capacitor,electrolytic 47m sra/ss 16v m fm5 tp(5) c277 0ch1104k...

  • Page 185

    6-43 s al loca no part no(lg) a b description specification remarks c2m5 0ch1104k942 o capacitor,chip[ceramic m/l hd 0.1uf 50v z y5v(f) 1508 r/tp c2m6 0ch1104k942 o capacitor,chip[ceramic m/l hd 0.1uf 50v z y5v(f) 1508 r/tp c2m7 0ch1104k942 o capacitor,chip[ceramic m/l hd 0.1uf 50v z y5v(f) 1508 r/t...

  • Page 186

    6-44 s al loca no part no(lg) a b description specification remarks c510 0ch1104f942 o capacitor,fixed ceramic(temp.C 0.1uf 16v 80%,-20% y5v(f) 1608 c511 0ch1104f942 o capacitor,fixed ceramic(temp.C 0.1uf 16v 80%,-20% y5v(f) 1608 c512 0ch1104f942 o capacitor,fixed ceramic(temp.C 0.1uf 16v 80%,-20% y...

  • Page 187

    6-45 s al loca no part no(lg) a b description specification remarks ic501a 6957r-254aj o program combi dvd module : zv600210 ic502 0immrcb001a o ic,memories cat93c56s-te13 crystal semicon ic503 0ifa742440f o ic,fairchild mm74hct244sj 20p soic tp 3-sta ic506 0ipmga7001a o ic,power management amc1117-...

  • Page 188

    6-46 s al loca no part no(lg) a b description specification remarks r277 0rh1500c622 o resistor,metal glazed(chip) 150 ohm 1 / 16 w 1608 5.00% d r278 0rh0000c622 o resistor,metal glazed(chip) 0 ohm 1 / 16 w 1608 5.00% d r279 0rh0000c622 o resistor,metal glazed(chip) 0 ohm 1 / 16 w 1608 5.00% d r281 ...

  • Page 189

    6-47 s al loca no part no(lg) a b description specification remarks r2n1 0rh1001c622 o resistor,metal glazed(chip) 1k ohm 1 / 16 w 1608 5.00% d r2n2 0rh5601c622 o resistor,metal glazed(chip) 5.6k ohm 1 / 16 w 1608 5.00% d r2n3 0rh1002c622 o resistor,metal glazed(chip) 10k ohm 1 / 16 w 1608 5.00% d r...

  • Page 190

    6-48 s al loca no part no(lg) a b description specification remarks r420 0rh3300c622 o resistor,metal glazed(chip) 330 ohm 1 / 16 w 1608 5.00% d r428 0rh0000c622 o resistor,metal glazed(chip) 0 ohm 1 / 16 w 1608 5.00% d r429 0rh0000c622 o resistor,metal glazed(chip) 0 ohm 1 / 16 w 1608 5.00% d r430 ...