Nad service manual t 572 t 572 dvd / vcd / cd player dvd / vcd / cd player draft date: 30 oct, 2002.
Contents section 1 . . . . Summary section 2 . . . . Cabinet & main chassis section 3 . . . . Electrical section 4 . . . . Mechanism section 5 . . . . Replacement parts list.
Section 1 summary contents product safety servicing guidelines for video products ......... 1-2 servicing precautions .................................................................................. 1-3 • general servicing precautions • insulation checking prodedure • electrostatically sensitive d...
1-2 caution : do not attempt to modify this product in any way, never perform customized installations without manufac- turer’s approval. Unauthorized modifications will not only void the warranty, but may lead to your being liable for any resulting property damage or user injury. Service work shoul...
1-3 servicing precautions caution : before servicing the dvd covered by this service data and its supplements and addendums, 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...
5 specifications • general power requirements ac120v, 60hz power consumption 14w dimensions(approx.) 430 x 118 x 408mm (16.9 x 4.7 x 16.1 inches)(wxhxd) mass(approx.) 5.7kg(12.6 lbs) operating temperature 5˚c to 40˚c (41˚f to 104˚f) operating humidity 5 % to 90 % • system laser semiconductor laser, ...
2-1 section 2 cabinet & main chassis contents 1. Disassembly .........................................................................................................................2-2 cabinet disassembly .................................................................................................
2-2 disassembly caution before starting servicing electronic parts are susceptible to static electricity and may easily damaged, so do not forget to take a proper grounding treatment as required. Many screws are used inside the unit. To prevent missing, dropping, etc. Of the screws, always use a mag...
2-3 (l1) (l1) (b) (b) (c) (c) (c) power code power circuit board main chassis ma ass'y dpm1 bracket main jack circuit board (f) (f) (f) (f) main circuit board (b) (b) (d) (e) (d) (d) (d) (e) (e) (b) (b) (g) (g) (g) (g) (g) (g) fig. 2-4 fig. 2-5 1. Disassemble main circuit board, jack circuit board, ...
2-4 exploded views 1. Cabinet and main frame section 465 465 250 462 462 300 465 260 465 a46 a47 463 463 275 463 463 463 467 a48 463 463 463 463 463 a00 a43 283 280 285 262 452 452 led901 pbt oo a 5 4 3 2 1 b c d dsp power supply a /v out.
2-5 • cabinet and main frame section s al loca.No part no(lg) a b description specification remarks assembly parts section a43 3501rf3434c o board assembly front(dmn5026n_t572_ah a43 3501rf3434d o board assembly front(dmn5025e_t572_c) a46 6885r-0550g o sub pwb(pcb) assembly dsp board dmn5026n evnt n...
2-6 2. Packing accessory section battery 808 packing sheet 804 packing 803 811 812 owner's manual plug ass'y 1way plug ass'y 2way 801 remocon 900 box carton 802 packing 803 810 rf cable • packing accessory section part list s al loca.No part no(lg) a b description specification remarks 801 3835rs004...
3-1 section 3 electrical contents electrical troubleshooting guide ......................................................................3-2 1. Power(smps) circuit ...............................................................................................................3-2 2. µ-com circuit........
3-2 electrical troubleshooting guide no 5v_d or 5v_a . No 5.2va. Is 5.2va section working? (is the power ctl at pin6 high/low?) is oscillation present at the base of q108? Replace q108. Check d109, c123, r125, r124. Replace r102. Replace bd101. (bridge rectifier) is r102(r104) normal? Is about ac 10...
3-3 replace main b/d refer to front part replace ic503 reconnect it. 2. µ-com circuit a. No power does logo appear on the screen? Is oscillation of x501 normal? Are ic501 pins 193, 80 and 81 normal? Do es “hello” appear on fld? Is p3901 connected normally? 16, 19 normal? The waveform on 3, 5, 7 pin ...
3-4 b. Audio abnormal d. Open/close abnormal check the connection of p3901. Check ic301 pins 3, 4. Check audio jack. Yes (if ok) yes no no yes yes (if ok) yes yes (if ok) yes (if ok) yes (if ok) refer to audio part. Refer to decoder part. Refer to pantera part. Replace b/d. Check front. Reconnect it...
3-5 e. Picture abnormal check the disc. If ok yes (if ok) yes (if ok) refer to servo part check dsp check pantera replace b/d picture abnormal f. Disc error check disc yes (if ok) yes (if ok) refer to servo part replace b/d disc error.
3-6 power is on does logo appear on the screen? Does the moving picture of the dvd disc play on the screen normally? Is pantera data signal normal? Is error signal normal? Is pantera data signal normal? Is clock normal? Does the audio sound output from pantera decoder? Does the moving picture of the...
3-7 no no no start does remote control work normally? Do all the buttons work normally? Check waveform of ic901 pin 14, 15. Check waveform of ic901 pin 18, 19. Is digitron on normally? Led on? Check waveform of ic901 pin 7. Is oscillation of x901 normal? Is waveform of ic901 pin 20 normal? Check wav...
3-8 does signal pulse input to ic201 pins 53, 54 when the powe is on? Does signal goes "high" to ic201 pin186 when the power is on? Does 33.8688mhz clock input to ic201 pin 63? Replace ic201 (ic206 soldering or ic defect). Check "2.Pantera part". Replace x201 or ic206 (30mhz clock defect) check poin...
3-9 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 pins 15, 16 more than 2v on the basis of 3.8v? Pressing the open/close key repeatedly, check the voltage of ic2m1 pins 13, 14 change 0v ...
3-10 focus on? Check the focus error moving the lens up and down. (ic2a1 pin 39) does the ttl level change at ic201 pin 121 and 152 moving the lens? Does the disc turn? Ic201 pin105 is "high"? Is ok the track jump. Does the signal pulse appear at ic2a1 pins 29? Does the screen appear? Open/close rep...
3-11 see the eye-pattern vivid? Does the sawtooth waveform emit at ic2a1 pin 36? Does the 1.6v emit? Check rf eye-pattern. Rf : 1.5-1.6v(q2a6 collector) fig.5. Rf waveform check ic2a1 pins 47, 50, 51, 52. No signal: pick-up is defective replace ic201. Check ic201 pin84. No signal at ic201 : ic201 is...
3-12 block diagrams 1. Overall block diagram m m disc spindle mot or loading mot or deck m echani sm cd: a,b, e, f dvd: a,b,c,d, dvd; rf cd: a,b, e, f dvd: a,b,c,d, dvd; rf pick up ic203 dram 16bit 16m ic201 hdc25d81 1b dsp ii ic501 p antera ic901 gms812012 fl displa y key input remocon receiver 6 m...
3-13 2. Power(smps) block diagram 5v _ d 5 v_a -27 v a vf + recti fi er l i ne fi l ter swi tchi ng tr trans feed b. Reg(8v) 8v 5.2 va vf - rectifier(fld) rectifier(9v) rectifier(5.2v) lpf lpf rectifier(14v) lpf 12 v_a ac120v pwr on/off reg(3.3v) reg(3.3v) 3.3v_mi, 3.3v 3 .3 v,3.3v_m rectifier(3.8v)...
3-14 88 sens, fok, sld_fg, msda t0, defect ,dsp_sense ic2m1 ka3031 spindlemotor ,loadingmotor , actuator driver cd: a,b,c,d / e, f 44 44 mirr,tzc 88 55 33 33 sqso, sqck, scor scor 66 xla t , s_clk, s_da t a ucom i/f focus, tracking, loading, sled spindle m/d pick up mck ic201 hdc25d81 1b cd / dvd ds...
3-15 4. Audio block diagram ic401 cs4391 audio dac ic402 lpf & buf fer njm4580d op amp l r u-com i/f a_0wt3 /srst dac comm_da t a comm_clk dac_cs lrck da_bck da_xck l r mpeg i/f.
3-16 5. Mpeg block diagram ic501 p antera ic301 cpld i/o por t 72 ic305 sdram 64m ic502 eeprom ic3f1 flash memor y ad[0:7] 8 dsp i/f dvd[0:7] 8 la[0:3] 4 sclk,sda t a sqck,sqs0 reqp sdclk1,psync dsp_int sense /dsp_cs ad[ 00:19] rf & mot or i/f mirr ldon sclk, sdata ee_cs f_in 32 md[00:31] mclk2 cke ...
3-17 3-18 notes) warning notes) parts that are shaded are critical notes) with respect to risk of fire or notes) electricial shock. R1a1 56(2w) '02. 03. 19 r14140a circuit diagram 1. Power(smps) circuit diagram note : 1. Shaded( ) parts are critical for safety. Replace only with specified part numbe...
3-19 3-20 5 6 spindle servo loop rf signal focus servo loop tracking servo loop sled servo loop waveform d201 d202 r284 r283 '02. 03. 19 r14135a 2. Dvd dsp circuit diagram dvd/cd picture audio abnormal µ-com interface adress cd/dvd picture audio abnormal focus servo fail tracking servo fail scratche...
3-21 3-22 3. Drive & rf circuit diagram 4 18 19 20 21 1 6 2 3 21 18 20 19 waveform spindle servo loop turn table loop focus servo loop tracking servo loop sled servo loop r2r3 r2r1 0 r2r4 '02. 03. 19 r14133a turntable not operate dvd laser not operate cd laser not operate tray loading speed control ...
3-23 3-24 10 7 9 13 8 11 12 waveform optical/coaxital out y/pb/pr(component) y.C(s-vhs) audio l/r out cvbs hb 150 '02. 08. 26 r14134a nad 4. Pantera circuit diagram no power on no power 1.8v audiuo dac interface system not operate system not working or digitron not display. Not memoried setup menu.
3-25 3-26 • waveforms ic2a1 pin 42, focus error ic2a1 pin 41 tracking error ic501 pin 114 component y ic2a1 pin 41 vbr tracking error ic2a1 pin 57, rf ic201 pin 88, sled drive(fmo) ic2a1 pin42, focus error(in focus search) ic201 pin 83, focus drive(fdo) ic501 pin 118, composite ic501 pin 112, chromi...
3-27 3-28 5. Memory circuit diagram 17 17 16 16 waveform '02. 03. 19 r14136a 4.7k program download fail digitron abnormal not power on not memoried setup menu “no disc” display tray not open/close tray not closed digitron all not display and system not operate turntable not operating pick-up not ini...
3-29 3-30 6. Timer & key circuit diagram system not operate system not operate remocon not operate.
3-31 3-32 7. A/v circuit diagram '02. 03. 19 r14137b.
3-33 3-34 8. Jack circuit diagram(t572ah).
3-35 3-36 9. Jack circuit diagram(t572c).
Level(v) mode pin no. 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 3.18 1.3 1.4 1.8 1.5 0 1.5 1.4 1.6 3.1 0.7 0.15 0.15 0 0 1.7 1.4 0 1.5 1.6 0 1.6 0 3.1 1.7 1.4 3.1 1.5 0.15 0 0.7 1.5 1.8 2 3.1 ...
3-39 3-40 level(v) mode pin no. 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 2.08 2.15 2.16 1.636 0 2.04 0 0 3.15 3.25 3.26 3.25 0 3.24 3.24 2.27~1.97 0.22~0.18 1~1....
3-41 3-42 printed circuit diagrams 1. Main p.C.Board location guide (bottom side) (top side).
3-43 3-44 2. Av jack p.C.Board location guide 4. Front 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. 3. Smps p.C.Board.
• top view..................................................4-1 • top view(without tray disc) .................4-1 • bottom view ...........................................4-1 1. Holder assembly clamp..................4-2 1-1. Plate clamp ......................................4-2 1-2. Magnet clamp ....
4-1 deck mechanism parts location starting no. 1 1,2 1,2,3 1,2,3,4 6 6 6,7 6,7,10 6,7,10,11 6,7,8,9,10, 11,12 1 1 1 1,17 1,17 1 1,15,16,17, 18,19,20 1,14 6 6,24 6,24 6,24,26 6,24,26 6,24,26,28 6,28 1,6,14,23, 24,25,26, 27,28,29, 30 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26...
4-2 deck mechanism disassembly 1. Holder assembly clamp(fig. 4-1) 1) release 3 screws(s1). 2) unlock the connectors (c1), (c2) from the hook(h1). 1-1. Plate clamp 1) hold and fix the upper clamp under the holder assembly clamp, and then turn the plate clamp to the counterclockwise direction(arrow(a)...
4-3 deck mechanism disassembly pcb assembly junction (l3) (c7) (s7) (s7) (s7) (s8) gear assembly rack rubber damper pick up assembly general gear middle base pu(outsert) rubber damper rubber rear rubber rear gear assembly feed gear middle gaer assembly rack pick up assembly general motor assembly sp...
4-4 deck mechanism disassembly (s10) (s12) (s11) fig.(b) (s15) (s15) (s14) (s9) (s9) (s9) (c8) (c9) (l4) (s13) gear slider gear main gear exchange gear loading gear wheel main motor assembly main motor assembly main mode switch pcb assembly main mode base main gear up/down fig.(a) fig.(c) fig. 4-4 4...
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4-5 4-6 exploded views 1. Deck mechanism exploded view 016 012 012 014 014 009 013 413 011 008 432 430 430 430 430 031 001 003 004 026 025 002 414 415 415 413 413 413 413 414 414 416 032 034 033 035 416 416 416 416 416 037 038 030 024 022 023 021 020 036 a03 a01 a02 a04.
M e m o m e m o.
5-1 section 5 replacement parts list models:(a)dmn5025e(t572c), (b)dmn5026n(t572ah) run date:aug.20.2002 .Mechanical section nsp:not service part s al loca.No part no(lg) a b description specification remarks assembly parts section a00 6721rh0326a o o deck assembly,video dpm-2 (dvd-cd r/rw mitsumi 2...
5-2 s al loca.No part no(lg) a b description specification remarks a48 6871r-5088a o pwb(pcb) assembly,total dmn5026n ha1unn smps blue pcb a48 6871r-5088b o pwb(pcb) assembly,total dmn5025e ha2dnn smps blue pcb parts section 250 3110r-0194u o o case dvd - top(5-dvd . W/o dvd . 260 3141r-0059r o chas...
5-3 .Electrical section s al loca.No part no(lg) a b description specification remarks capacitor c101 624-088s o o capacitor,drawing mpx104k etr/europtronic bulk c102 624-088s o o capacitor,drawing mpx104k etr/europtronic bulk c103 0ce157cr610 o capacitor,al.Electrolytic 150uf shl,sd 250v m fl bulk ...
5-4 s al loca.No part no(lg) a b description specification remarks c245 0ch1105d942 o o capacitor,chip[ceramic m/l hd 1uf 10v z y5v(f) 1508 r/tp c251 0ch1105d942 o o capacitor,chip[ceramic m/l hd 1uf 10v z y5v(f) 1508 r/tp c252 0ch4100k112 o o chip capa ceramic m/l t.C f/s 10p 50v d cog 1.6x0.8 r/tp...
5-5 s al loca.No part no(lg) a b description specification remarks c2d9 0ch1104k942 o o capacitor,chip[ceramic m/l hd 0.1uf 50v z y5v(f) 1508 r/tp c2m2 0ch1682k562 o o capacitor,chip[ceramic m/l hd 6800p 50v k x7r 1.6x0.8 r/tp c2m3 0ch1472k562 o o capacitor,chip[ceramic m/l hd 4700pf 50v k x7r(x) 16...
5-6 s al loca.No part no(lg) a b description specification remarks c424 0ch1104k942 o o capacitor,chip[ceramic m/l hd 0.1uf 50v z y5v(f) 1508 r/tp c501 0ch8476c611 o o capacitor,chip[al. Electrolyti 47uf 6.3v m 85std(cyl) r/tp c503 0ch1104k942 o o capacitor,chip[ceramic m/l hd 0.1uf 50v z y5v(f) 150...
5-7 s al loca.No part no(lg) a b description specification remarks c905 0cn6810k518 o o capacitor tubula(high diele) 680p 50v k b ta26 c907 0ce4763c638 o o capacitor,fixed electrolytic 47uf sre,se 6.3v 20% fm5 tp 5 c909 0ce1064k638 o o capacitor,fixed electrolytic 10m sra 50v m fm5 tp(5) c910 0cn104...
5-8 s al loca.No part no(lg) a b description specification remarks jack jk601 6612r-l007a o o jack,fiber optic gp1fa550tz sharp ve jk602 6612r-c006g o jack,rca rca din-11g yuqiu d-gnd r9p+di jk602 6612r-c006h o jack,rca rca din-09g yuqiu d-gnd r4p+di jk603 6612f00007a o o jack,phone pj-308-01 yuqiu ...
5-9 s al loca.No part no(lg) a b description specification remarks q615 0tr126609ae o o transistor kta1266-gr,tp(kta1015),kec q901 0tr103009ae o o transistor krc103m-tp (krc1203) kec q902 0tr103009ae o o transistor krc103m-tp (krc1203) kec q903 0tr319809ac o o transistor ktc3198-tp-bl (ktc1815)kec r...
5-10 s al loca.No part no(lg) a b description specification remarks r263 0rh0222c622 o o resistor,metal glazed(chip) 22 ohm 1 / 16 w 1608 5.00% d r264 0rh0222c622 o o resistor,metal glazed(chip) 22 ohm 1 / 16 w 1608 5.00% d r265 0rh0222c622 o o resistor,metal glazed(chip) 22 ohm 1 / 16 w 1608 5.00% ...
5-11 s al loca.No part no(lg) a b description specification remarks r2g2 0rh2201c622 o o resistor,metal glazed(chip) 2.2k ohm 1 / 16 w 1608 5.00% d r2g3 0rh5601c622 o o resistor,metal glazed(chip) 5.6k ohm 1 / 16 w 1608 5.00% d r2g4 0rh5601c622 o o resistor,metal glazed(chip) 5.6k ohm 1 / 16 w 1608 ...
5-12 s al loca.No part no(lg) a b description specification remarks r356 0rh1000c622 o o resistor,metal glazed(chip) 100 ohm 1 / 16 w 1608 5.00% d r357 0rh1000c622 o o resistor,metal glazed(chip) 100 ohm 1 / 16 w 1608 5.00% d r358 0rh1000c622 o o resistor,metal glazed(chip) 100 ohm 1 / 16 w 1608 5.0...
5-13 s al loca.No part no(lg) a b description specification remarks r510 0rh0222c622 o o resistor,metal glazed(chip) 22 ohm 1 / 16 w 1608 5.00% d r514 0rh0222c622 o o resistor,metal glazed(chip) 22 ohm 1 / 16 w 1608 5.00% d r515 0rh0222c622 o o resistor,metal glazed(chip) 22 ohm 1 / 16 w 1608 5.00% ...
5-14 s al loca.No part no(lg) a b description specification remarks r909 0rd1502f608 o o resistor,fixed carbon film 15k ohm 1/6 w 5.00% ta26 r910 0rd1002f608 o o resistor,fixed carbon film 10k ohm 1/6 w 5.00% ta26 r913 0rd6800f608 o o resistor,fixed carbon film 680 ohm 1/6 w 5.00% ta26 r914 0rd8200f...
5-15 s al loca.No part no(lg) a b description specification remarks sw906 556-219b o o switch,tact thvv502gaa postech dc 12 v 5- sw907 556-219b o o switch,tact thvv502gaa postech dc 12 v 5- sw908 556-219b o o switch,tact thvv502gaa postech dc 12 v 5- sw909 556-219b o o switch,tact thvv502gaa postech...
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