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NAD T517AH Service Manual - The Process of Disc Download

Summary of T517AH

  • Page 1

    Ser vice manual ser vice manual t517c/t517ct models : t517c/t517ct ser vice manual © nad 2008 nad electronics international toronto t517c/t517ct/ t517ah/t517aht dvd video pla yer t517c/t517ct/ t517ah/t517aht dvd video pla yer dvd video player.

  • Page 2

    Contents section 1.........Summary section 2.........Cabinet & main chassis section 3.........Electrical section 4.........Mechanism (dp-12v) section 5.........Replacement parts list.

  • Page 3: Section 1

    Section 1 summary contents 1-2 product safety servicing guidelines for dvd products ..................................1-3 servicing precautions ....................................................................................................................1-4 • general servicing precautions • in...

  • Page 4

    1-3 product safety servicing guidelines for dvd products 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 na...

  • Page 5: Servicing Precautions

    1-4 servicing precautions caution: before servicing the dvd covered by this service data and its supplements and addends, read and follow the safety precautions. Note: if unforeseen circumstances create conflict between the following servicing precautions and any of the safety precautions in this pu...

  • Page 6: The Process of Disc Download

    1-5 the process of disc download please follow the below process to download a program with disc 1. Turn on the dvd-player. (note. Be sure that there is no disc in dvd-player) 2. Press “setup” button on remote control. 3. Choose a “ display ” menu by using the cursor button and then choose a “ tv as...

  • Page 7

    1-6 7. Copy the changed file to a disc. 8. Insert the copied disc to dvd-player. 9. If the below picture appears on the screen, press “ ” key. 10.After the below picture appears on the screen, disc will emerge from dvd-player automatically. Take the disc out of the dvd-player. 11. After disc downloa...

  • Page 8: Specifications

    1-7 specifications • general power requirements: ac 100 v ~ 240 v, 50 hz / 60 hz power consumption: 9 w dimensions (approx.): 430 x 39 x 192 mm (17 x 1.5 x 7.6 inches) (w x h x d) without foot net weight (approx.): 1.5 kg (3.3 lbs) operating temperature: 5 °c to 35 °c (41 °f to 95 °f) operating humi...

  • Page 9: Memo

    1-8 memo.

  • Page 10: Section 2

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

  • Page 11: Exploded Views

    276 c b 462 a26 283 460 460 4 60 250 100v~240v power cord 300 a43 2 80 d cable1 timer 4 52 452 key cn903 4 52 a50 3 20 467 465 470 4 62 a44 260 261a 261a 262 4 62 261 261 261 261 4 62 261b 261b 463 461 a41 usb s cart cable2 462 27 5 c n801 p3702 e a 462 p101 a47 smps c b a46 main d e 4 62 exploded v...

  • Page 12

    2-3 2. Deck mechanism section (dp-12v) 442 442 010 442 012 012 037 012 019 026 440 015 017 013 439 018 a02 a26 a01 001 002 003 014 015a 015b 016 020 435 a03.

  • Page 13

    2-4 3. Packing accessory section 808 battery 810 cable set ass'y optional parts 811 plug ass'y 1way(yellow) 804 packing sheet 801 owner's manual 803 packing 812 plug ass'y 2way 900 remocon 803 packing 802 box carton.

  • Page 14: Section 3

    3-1 section 3 electrical contents electrical troubleshooting guide .....................................................................................3-2 1. Smps troubleshooting flow ......................................................................................................3-2 2. Power ...

  • Page 15

    3-2 1. Smps troubleshooting flow no 3.3va replace the fr101 (use the same icw) yes yes no power line of main pcb(dvd) is short is the fr101 normal? Replace the d105/d106/d107/d108 yes no is the d105/d106/d107/ d108 normal? Check or replace the ic101 yes no is the vcc (about 17v) supplied to ic101 pi...

  • Page 16

    3-3 no reg 5.0v check or replace the d123 yes yes no check or replace the q126 is the vcc(=5.6v) supplied to q126 collector? Check the ‘pwr ctl “h”’ signal from μ-com yes no is the vcc(=12v) supplied to q126 base? Electrical troubleshooting guide • • • • no 12v check or replace the d125 yes yes no c...

  • Page 17

    3-4 electrical troubleshooting guide is 5.6v present at collector of q126? No 3.3va yes yes yes yes no 5v no 3.3va. Replace q126. Check fr101 replace q121. Yes is there a dc voltage at cathode of d105 or d107? Yes no no no no replace ic101. 2. Power check flow a. B. Check d105/d106/d107/ d108 and re...

  • Page 18

    3-5 electrical troubleshooting guide power on 1. 8032 initializes servo,dsp & risc registers 2. Write risc code to sdram 3. Reset risc show logo tray close to closed position sled moves to inner position 1. Judge whether have disc and disc type 2. Jump to related disc reading procedure 1. Execute pr...

  • Page 19

    3-6 4. System test flow test replace power pcba or ac transformer. Yes no switch on the power pcba repair or replace power pcba yes no make sure the main pcba don't short on vccs and switch it on. Yes check the regulators or related diodes. Yes no connect to pc rs232 cable and update the flash memor...

  • Page 20

    3-7 reset or power on. No no yes check connection lines between flash & mt1389s and the flash access time whether is suitable or not. No yes check connection lines between sdram & mt1389s and the sdram is damaged. No yes check the related circuit of mt1389s. No yes check the filtering and amp circui...

  • Page 21

    3-8 no no yes check the connection line of stby signal. No yes check the related circuit of fmso. No yes check the amp circuit on motor driver. Check the cable connection with mecha. Do not put in disc and tray close. Yes yes check cable connect on with pick-up head. Yes yes motor driver stby pin is...

  • Page 22

    3-9 no no yes yes check the laser power circuit on mt1389s and connecting to power transistor. Check cable connection between transistor ouput and pick-up head. No laser off no no yes check the related circuit on mt1389s rfl signal. Check ldo1 & ldo2 signal yes yes no no yes check dmso related circu...

  • Page 23

    3-10 no no yes yes check connections between mt1389s and pick-up head. Check foso signal on mt1389s no yes yes yes yes check cable connection on pick-up head. Check rfo & rflvl signal waveform. Focus on ok? Proper signals on a, b, c, d of mt1389s no no check the related circuit on mt1389s track on o...

  • Page 24

    3-11 no no yes check the related circuit of audio dac. Check audio filter, amplify, mute circuit. No no no yes check communication lines on mt1389s. Yes yes test end check the cable connection on front pannel. Normal audio output when disc playback? Normal audio dac out? Commu- nications between ir....

  • Page 25

    3-12 details and waveforms on system test and debuggibg 1. System 27mhz clock, reset, flash r/w signal 1) mt1389s main clock is at 27mhz (x601) fig 1-1 1 1 2) mt1389s reset is low active fig 1-2 2 3 4 3 3.3v pwr_ctl ic601 reset time 4 2.

  • Page 26

    3-13 3) rs232 waveforn during procedure (downloading) fig 1-3 5 6 txd rxc 5 6 4) flash r/w enable signal during download (downloading) fig 1-4 7 8 prd pwr 7 8 ic602.

  • Page 27

    3-14 2. Sdram clock fig 2-1 9 9 dclk = 128mhz, vp-p=2.2 ic603 3. Tray open/close signal fig 3-1 10 11 12 13 11 ic601 10 12 13 trin trout trclose tropen.

  • Page 28

    3-15 4. Sled control related signal (no disc condition) fig 4-1 14 15 16 17 16 17 15 fmso(1.9v/1.4v/1.1v) stby(3.3v) sl+(4.2v/2.8v/1.2v) sl-(4.2v/2.8v/1.5v) 5. Lens control related signal (no disc condition) 18 19 20 18 foso(1.5v/1.4v/1.3v) f+(3.2v/2.7v/2.2v) f-(3.2v/2.7v/2.2v) fig 5-1 14 20 19.

  • Page 29

    3-16 6. Laser power control related signal (no disc condition) fig 6-1 21 22 23 mdi1 (0v/180mv) ld02 (3.3v/2.3v) ld01 (3.3v/2.3v) ic601 7. Disc type judgement waveform 24 25 26 24 f+ fe rfl cn201 fig 7-1 (dvd) 21 22 23 ic601 25 26.

  • Page 30

    3-17 fig 7-2 (dvd) f+ fe rfl fig 7-3 (cd) f+ fe rfl.

  • Page 31

    3-18 fig 7-4 (cd) f+ fe rfl 8. Focus on waveform 27 28 29 30 27 28 29 30 fe foso f+ f- ic601 fig 8-1 (dvd).

  • Page 32

    3-19 fig 8-2 (cd) fe foso f+ f- 9. Spindle control waveform (no disc condition) 31 32 33 dmso (1.4v/1.8v) sp- (3.6v/2.4v) sp+ (3.6v/4.8v) fig 9-1 31 32 33.

  • Page 33

    3-20 10. Tracking control related signal (system checking) 34 35 36 37 34 35 36 37 te trso t+ t- te trso t+ t- cn201 fig 10-2 (cd) fig 10-1 (dvd) ic601.

  • Page 34

    3-21 11. Mt1389s audio optical and coaxial output (spdif) fig 11-1 38 12. Mt1389s video output waveform 1) full colorbar signal (cvbs) fig 12-1 jk701 2pin 38 ic601.

  • Page 35

    3-22 13. Audio output from mt1389s fig 13-1.

  • Page 36: Connector Picture

    3-23 connector picture 1. All connector picture.

  • Page 37

    3-24 2. Main board connector picture.

  • Page 38

    3-25 cn201 (md 23pin) 3. Cn201 connector picture cn202 (md 9pin) 4. Cn202 connector picture.

  • Page 39

    3-26 cn602 (power 10pin) 6. Cn602 connector picture cn601 (front 12pin) 5. Cn601 connector picture.

  • Page 40

    3-27 cn604 (usb 4pin) 7. Cn604 connector picture cn605 (karaoke 4pin) 8. Cn605 connector picture.

  • Page 41

    3-28 cn705 (5.1ch 12pin) 9. Cn705 connector picture.

  • Page 42: Block Diagrams

    3-29 block diagrams 1. Overall block diagram ic601 mt1389s m m disc sp indle mot o r lo a d ing mot or deck me cha nis m d v d : a, b, c,d,rf cd : a, b,c, d, e,f,rf pic k up ic6 0 4 fl a s h r o m (1 6m) memad d[0:19] memrd memw r romdat [00:15] r ic 60 5 a t 24c08a eep rom load[+,-] focus[+,-] tr a...

  • Page 43

    3-30 2. Power (smps) block diagram 3.3v switching ic trans feed b. 3.3v a rectifier(5.6v) lpf rectifier(14v) lpf 12v pwr ctl 5v 5.6v a (m) rectifier(3.3v) lpf ac100~240v rectifier mpeg remocon receiver flash memory motor drive ic 1.8v sdram led clock,driver video buffer op amp.

  • Page 44

    3-31 3. Mpeg & memory block diagram ic605 eepro m ic601 (m(m peg + dp e g + d sp + rfs p + r f ) mt1389s i2cd ata i2 clk reset ic604 flash me mo ry (16 m ) l e d d drid r iv e ic(ic (i c901)c 9 0 1 ) x60x 6 0 1 27mh2 7 m h z reset,w r-,cs0 - ad[0:19 ] da[0:15 ] din ,dout power, ir : exce l, s s t , ...

  • Page 45: Ic201

    3-32 4. Servo block diagram ic201 am5890s(5ch) motor dr iver dvd : a ,b ,c,d ,rf cd : a, b,c ,d, e, f,rf pic k sel1 sp+,s p- m/d (dp11) pi ck up (im) x601 ic601 mtk1389s dvdplayer one chip fmso,dms o fo s o , tr s o tropen, trclose , stb y f+, f-, t+, t- load+,load - 27 m h z x-t a l cd ld(ld 0 1), ...

  • Page 46: Mpeg Ic

    3-33 5. Video & hdmi block diagram mpeg ic mt1389s ic601 v. O u t pr s-vide o y y(g) pb(b) pr(r) cv bs y_g pb_b_sc pr_r_ s y y pb pr r g b cv bs sy sc rg b_h 1 6 _9 _h h. P. D tx [0- 2 ] , txc ± ± hdmi jac k c y_c mix p b y c y.

  • Page 47: Mpeg

    3-34 6. Audio block diagram a_l a_r mpeg mt1389s ic601 mutec s/w mute serial stereo digi tal out coaxl _ s p dif op tical _ s pdif coax ial op ti cal amp mc4580m ic 7 0 2 a out " r " a out " l " jack audio 8dac 5.1ch connector al_r ar_r ce nte r woofer op ti on.

  • Page 48

    3-35 3-36 circuit diagrams 1. Power (smps) circuit diagram a b c d e f g h i j k l m n o p q r s t no power d105~d108 is defective 14va no power d125 is defective 5.6va no power d123 is defective 3.3va no power d121 or d122 are defective switching error ic101is defective switching error ic102,ic103 ...

  • Page 49

    3-37 3-38 2. Mpeg circuit diagram.

  • Page 50

    3-39 3-40 3. Servo circuit diagram.

  • Page 51

    3-41 3-42 4. Jack circuit diagram.

  • Page 52

    3-43 3-44 5. Scart circuit diagram (option).

  • Page 53

    3-45 3-46 6. Usb circuit diagram 7. Key circuit diagram.

  • Page 54

    3-47 3-48 8. Timer circuit diagram.

  • Page 55

    3-49 3-50 • circuit voltage chart mode pin no. Stop play ic201(am5869s) 1 1.392 1.397 2 1.705 1.637 3 1.375 1.436 4 1.393 1.396 5 1.243 1.238 6 0.01 0.01 7 0.02 0.02 8 5.589 5.53 9 0.001 0 10 0.001 0 11 2.729 2.771 12 2.729 2.687 13 2.733 2.686 14 2.733 2.757 15 2.739 2.701 16 2.739 2.725 17 2.734 3...

  • Page 56

    3-51 3-52 location spec play + - c642 33μ f/16v 1.858 0.002 c666 100μ f/6.3v 3.244 0.003 c6c1 10μ f/16v 12.251 0 c6c2 10μ f/16v 11.556 0 c6c6 10μ f/16v 3.257 0.001 c6c9 220μ f/16v 3.259 0.001 c6e0 47μ f/6.3v 2.758 0.001 c6e1 10μ f/16v 1.372 0.002 c6e2 47μ f/6.3v 1.396 0.002 c6e3 220μ f/6.3v 3.239 0....

  • Page 57

    3-53 3-54 printed circuit board diagrams 1. Main p.C.Board (top view) (bottom view).

  • Page 58

    3-55 3-56 2. Power (smps) p.C.Board (top view) (bottom view) 3. Key p.C.Board (top view) 4. Timer p.C.Board (top view) (bottom view) (bottom view).

  • Page 59

    3-57 3-58 5. Scart p.C.Board (option) (top view) (bottom view) 6. Usb p.C.Board (top view) (bottom view).

  • Page 60: Section 4

    4-1 section 4 mechanism (dp-12v) contents deck mechanism parts locations • top view......................................................................................................................................4-2 • top view(without tray disc) ....................................................

  • Page 61

    4-2 deck mechanism parts location • top view (without tray) procedure parts fixing type disass fig- starting no. Embly ure 1 main base 4-1 1 2 clamp assembly 4-1 disc 1, 2 3 plate clamp 4-1 1, 2, 3 4 magnet clamp 4-1 1, 2, 3, 4 5 clamp upper 4-1 1 6 tray disc 4-2 1, 6 7 base assembly sled 4-3 4 scre...

  • Page 62: Deck Mechanism Disassembly

    4-3 1. Main base (fig. 4-1) 1-1. Clamp assembly disc 1) place the clamp assembly disc as fig. (a) 2) lift up the clamp assembly disc in direction of arrow(a). 3) separate the clamp assembly disc from the holder clamp. 1-1-1. Plate clamp 1) turn the plate clamp to counterclockwise direction and then ...

  • Page 63

    4-4 3. Base assembly sled (fig. 4-3) 1) release 4 screw (s2). 2) disconnect the ffc connector (c1) 3-1. Gear feed 3-2. Gear middle 3-3. Gear rack 1) release the scerw (s3) 4. Rubber rear (fig. 4-3) base pu rubber damper rubber damper rubber damper distinguish upper and lower sides (assemble with car...

  • Page 64

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

  • Page 65: Memo

    4-6 memo.

  • Page 66

    442 442 010 442 012 012 037 012 019 026 440 015 017 013 439 018 a02 a26 a01 001 002 003 014 015a 015b 016 020 435 a03 4-7 4-8 exploded view 1. Deck mechanism exploded view dp-12v.

  • Page 67

    4-9 4-10 memo memo.

  • Page 68: Section

    Notes) notes) section replacement parts list model : 5 t517c/t517ct(nad,sweden) not service part if you want to purchase flash memory, you must order " ic602a " warning parts that are shaded are critical with respect to risk of fire or electrical shock. Run date : 17-june-08 s al loca. No. Part no. ...

  • Page 69

    S al loca. No. Part no. Description specification remarks 442 fab30124101 screw,taptite 1szzr-0064 pwh + b 2.6mm 7mm s a01 aca34280801 clamp assembly deck/mecha dp-12/13 ferrite ty 001 mgj38556601 plate press secc 0.8 dp-13 press upp nsp 002 rab30611501 magnet,ferrite ferrite 50g nsp 003 mbu38556801...

  • Page 70

    S al loca. No. Part no. Description specification remarks ic101 ean34789801 ic,pwm controller str-a6259h 12.9v to 15.7v 10v ic102 6500rdb011b sensor,position k1010b 5v dip bk 4p 4pin photo ic102 657-063a sensor,position ltv-817b 5v dip bk 2p photo co alternate ic103 0ipmguc004b ic,ldo voltage regula...

  • Page 71

    S al loca. No. Part no. Description specification remarks 280 agl37044005 panel assembly,front dvd dv302h-ne bswennk nad play t517c 280 agl37044006 panel assembly,front dvd dv302h-ne bswennt nad play t517ct a50 ebr50464802 pcb assembly 08 dvd-p nad timer in _ c901 0cn1040k948 capacitor,ceramic,axial...

  • Page 72

    S al loca. No. Part no. Description specification remarks c220 0ce2274f638 capacitor,al,radial sra5.0tp16vm220m 220uf 20% 16v c240 0ce1074c638 capacitor,al,radial sra5.0tp6.3vm100m 100uf 20% 6. C242 0ce1064f638 capacitor,al,radial ess106m016t1a5b07g 10uf 20% 16 c642 0ce3364f638 capacitor,al,radial e...

  • Page 73

    S al loca. No. Part no. Description specification remarks c622 0ch1104k942 capacitor,ceramic,chip 0603f104z500ct 100nf -20to+80% c623 0ck105cd94a capacitor,ceramic,chip 0603f105z100ct 1uf -20to+80% 1 c624 0ck105cd94a capacitor,ceramic,chip 0603f105z100ct 1uf -20to+80% 1 c625 0ck105cd94a capacitor,ce...

  • Page 74

    S al loca. No. Part no. Description specification remarks c690 0ch1104k942 capacitor,ceramic,chip 0603f104z500ct 100nf -20to+80% c692 0ch1104k942 capacitor,ceramic,chip 0603f104z500ct 100nf -20to+80% c694 0ch4221k412 capacitor,ceramic,chip 0603n221j500lt 220pf 5% 50v c0 c695 0ch4560k412 capacitor,ce...

  • Page 75

    S al loca. No. Part no. Description specification remarks l627 6200hjc102a filter,bead hb-1m2012-102jt 1000ohm 2x1.25 l701 6200hjc102a filter,bead hb-1m2012-102jt 1000ohm 2x1.25 l702 6200hjc102a filter,bead hb-1m2012-102jt 1000ohm 2x1.25 l703 0lcce00004e inductor,multilayer,chip fi-c2012-103kjt 10uh...

  • Page 76

    S al loca. No. Part no. Description specification remarks r213 0rh3903c622 resistor,chip mcr03ezpj394 390kohm 5% 1/10w r214 0rj7503c677 resistor,chip mcr03ezpj754 750kohm 5% 1/10w r220 ebc40167001 wire pad wire pad wire pad 1 almit r221 0rh1002c622 resistor,chip mcr03ezpj103 10kohm 5% 1/10w 1 r222 0...

  • Page 77

    S al loca. No. Part no. Description specification remarks r704 0rh0752c422 resistor,chip mcr03ezpf750 75ohm 1% 1/10w 16 r705 0rh0752c422 resistor,chip mcr03ezpf750 75ohm 1% 1/10w 16 r706 0rh0752c422 resistor,chip mcr03ezpf750 75ohm 1% 1/10w 16 r707 0rh0752c422 resistor,chip mcr03ezpf750 75ohm 1% 1/1...

  • Page 78

    S al loca. No. Part no. Description specification remarks x601 6212aa2270g crystal hc-49/s 27mhz 20ppm (south sta ic602a saa33179508 s/w,firmware nad_dv_nv80f72e402ms.Rom dvd-p *** frame assembly *** a44 adv32453214 frame assembly dvd dv302h-ne(mtk1389s) chassi 260 mbs32047605 chassis press secc 0.6...