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NAD M5 C/AH Service Manual

Other manuals for M5 C/AH: Specifications, Owner's Manual
Manual is about: CD/SACD PLAYER

Summary of M5 C/AH

  • Page 1

    Service manual m5 c/ah model : m5 c/ah service manual © nad 2006 nad electronics international toronto m5 c/ah cd/sacd player m5 c/ah cd/sacd player cd/sacd player service manual.

  • Page 2

    Contents section 1 . . . .Summary section 2 . . . .Cabinet & main chassis section 3 . . . .Electrical section 4 . . . .Mechanism section 5 . . . .Replacement parts list.

  • Page 3

    Section 1 summary contents product safety servicing guidelines for audio products ............. 1-2 servicing precautions ........................................................................... 1-3 • general servicing precautions • insulation checking prodedure • electrostatically sensitive devi...

  • Page 4

    Subject: graphic symbols product safety servicing guidelines for audio products a.C. Voltmeter good earth ground such as the water pipe. Conduit. Etc place this probe on each exposed metal part caution : do not attempt to modify this product in any way, never perform custom- ized installations witho...

  • Page 5

    Servicing precautions caution : before servicing the stereo amplifier 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 ...

  • Page 6

    Specifications • general power requirements: ac 100-240 v , 50/60 hz power consumption: 45w dimensions (approx.): 435 x 100 x 300 mm (w x h x d) without foot weight (approx.): 8.6 kg operating temperature: 5 °c to 35 °c (41 °f to 95 °f) operating humidity: 5 % to 90 % • outputs video out: 1 vp-p 75 ...

  • Page 7

    Section 2 cabinet & main chassis contents exploded views ................................................................................................................ 2-2 1. Cabinet and main frame section ................................................................................ 2-2,3 2. Ex...

  • Page 8

    1.Cabinet and main frame section exploded views s011 s001 c017 s020 f001 f002 f003 f004 f006 f005 f007 f008 f009 f010 f013 f011 f012 f014 f015 f017 fp01 s008 fp03 t001 c001 c002 c003 c004 c006 c007 c008 c009 p001 c011 c010 c012 c013 c014 c015 c016 c016 r001 r002 r003 rs01 f016 f018 t002 t003 s001 s0...

  • Page 9: 2.Exploded View Parts List

    2.Exploded view parts list ref.No. Part no. Description qty. Ref.No. Part no. Description qty. 1 r e v o c p o t 0 - 2 0 0 1 5 0 - 7 6 1 0 0 t 1 s i s s a h c 0 - 2 0 0 7 6 0 - 7 6 1 0 0 c c002 01-50501-00 decode board 1 t002 86-018002-1 expanded rubber 2 c003 01-50502-00 audio board 1 t003 76-04600...

  • Page 10: 3.Packing Accessory Section

    3.Packing accessory section shipping box gift box polyfoam(down) polyfoam(up) ac cord audio and video cord remocon batteries accessory box 2-5.

  • Page 11

    Section 3 electrical contents electrical troubleshooting guide 1. Power check flow……………………………………………………………………… 3-2 2. System operation flow…………………………………………………………………3-3 3. Test & debug flow……………………………………………………………………... 3-4,9 details and waveforms on system test and debuging 1. System 27mhz clock,reset...

  • Page 12: 1.Power Check Flow

    Electrical troubleshooting guide no 5vs no 5vd is 5vd section working? Is 5vd present at input of u911? Replace u911. Is there a dc voltage at (+) terminal of b900? Is there a ac voltage at one terminal of rt900? Replace u900. Check fh900 1.Power check flow no vf+ is 5vd section working? Replace d91...

  • Page 13

    2. System operation flow power on 1. Es6168 initializes servo & the other dsps show logo tray closed? Tray close to closed position no sled at inner side ? Sled moves to inner positi on no yes yes reci eve open/close key? 1. Execute pressed key & ir key 2. System operation routine loop no 1. Stop pl...

  • Page 14

    3. Test & debug flow check the ac voltage on power pcb (110v or 220v) no check fuse and connections to ac inlet yes switch on the power switch is the dc voltage outputs ok? (5v,3.3v,9v,±12v,5va) repair or replace power pcb no yes is 3.3v,1.8v and 2v dc outputs normal on decode pcb? Check the regulat...

  • Page 15

    A reset or power on. No no yes no yes no yes yes b no no no yes yes no no yes yes yes show logo? Flash memory operates properly? Check connection lines between flash & es6168 and the flash access time whether is suitable or not. Sdram works properly? Check connection lines between sdram & es6168 and...

  • Page 16

    B o n o n no no o n o n no s e y s e y yes yes yes yes yes does the sled move to inner side when it is at outter position? Motor driver xftsmute pin is high? Check the connection line of xftsmute signal. Is sled dc level lower than 1.65v? Check the related circuit of sled. Sl+ and sl- output properl...

  • Page 17

    D c yes no yes yes no no does spindle rotate? Proper spwm signal on cxd1885q check spwm related circuit on cxd1885q. Sp+ & sp- output properly? Check the spindle control amp circuit of motor driver. Check the cable connection between spindle and main pcba. Yes yes no no laser turns on when reading d...

  • Page 18

    Yes no yes yes d no no no yes no e yes normal teo signal on cxd1881 ? Check the related circuit on cxd1881 track on ok? Properly tscon signal on cxd1885q? T+ & t- output properly? Check the tscon connection on cxd1885q and motor dirver. Check the tracking control amp circuit on motor driver. Check c...

  • Page 19

    Normal ir.Vfd & front pannel key functions? Communications between ir.Vfd front pane l lkey & es6168 is normally ? Check communication lines on es6168. No yes check the cable connection on front pannel. Test end yes normal audio output when disc playback? Audio dac received correct data stream? Chec...

  • Page 20: Test and Debugging

    Details and waveforms on system test and debugging 1.System 27mhz clock, reset, flash r/w signal. 1) es6168f main clock is at 27mhz(pin49) fig 1-1 2) es6168f( pin24) reset is low active. Ch1 vcc ch2 reset fi1-2 3-10

  • Page 21

    2. Sdram clock fig 2-1 3. Tray open/close signal ch1 ej- ch2 ej+ fig 3-1 3-11.

  • Page 22

    Ch1 ej- ch2 ej+ fig 3-2 4. Sled control related signal(no disc condition) sled control fig 4-1 ch1 sl+ ch2 sl- fig 4-2 3-12.

  • Page 23

    5. Lens control related signal(no disc condition) ldon fig 5-1 ch1 dvd_ld ch2 cd_ld fig 5-2 3-13.

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    6. Focuse control related signal(no disc condition) fscon fig 6-1 ch1 focus- ch2 focus+ fig 6-2 3-14.

  • Page 25

    7. Spindle control waveform ch1 spwm2 ch2 spwm1 fig 7-1(dvd) ch1 spwm2 ch2 spwm1 fig 7-2(cd) 3-15.

  • Page 26

    8. Focus on waveform(fscon) fig 8-1(cd) fig 8-2 (sacd) 3-16.

  • Page 27

    9. Rf waveform ),*&' ),*6$&' 10.Es6168f audio optical and coaxial output (spdif) ),* 3-17.

  • Page 28

    11. Es6168f audio output to audio dac chi1 bitclock ch2 lrclock fig 11-1 12. Audio output (1khz 0db) fig 12-1 3-18.

  • Page 29

    Rf amp cxd1881 dvd servo cx d1885 dsd decoder cx d2753 ess 6168 ic 25 fan8042 motor driver ic18 ic21 ic25 ic16 pick up m m m ds ic po w er board ac 1 0 0 v- 2 4 0 v 50hz/ 60hz vf + vf - -2 2 v a -15v +1 5 v 9v 3. 3v d 5v s ic20 4mbitedo x4 33.8688mhz ic17 cpld y3 27mhz u13 u14 eeprom scl ,s da sdram...

  • Page 30

    Line filter rectifier trans switching ic ac 100-240v r e c tifier (fld ) f+ f- -2 2 v a rectifier(3.3v ) rectifier(9.6v ) rectifier(5.7v ) lpf lpf lpf reg(3.3v) reg(9v) reg(5v) feed.B 3.3v d +9 vs 5v s gnd pow er c ontrol 2.Power(smps)block diagram 5v d 3-20

  • Page 31

    Rf am p cxd1881 dvd servo cxd1885 cpld 4m bit edo dsd decoder cxd2753 ic 25 fan8042 m o tor driver pick up m/ d ic18 ic21 ic25 ic16 ic17 ic20 ld01,ldo2,ioa md l1 v20,picksel dvd:a,b,c,d,rfo cd:a,b,c,d,e,f,rfo f+,f-,t +,t - sp+,sp- sl+,sl- lo ad +,lo ad - adin lim it ,t rin,t rout foso,t rso dm so,t ...

  • Page 32

    Circuit diagrams 1.Power(smps) board 9 5 3 1 17 14 1 5 13 12 1 1 1 0 16 18 t 90 0 b ck 08a10 c b900 d b 10 5 rt 90 0 ntc 5 d-1 1 c9 0 0 100u/ 400 v r9 0 0 47 k /1 w r 911 6 .2 k d 908 fr 10 7 c 93 3 47u/ 50 v d 900 fr 10 4 r 930 56k 1w c9 1 4 103/ 1kv r9 3 2 30 r u 907 pc 817 d9 1 0 fr 10 4 d9 1 2 f...

  • Page 33

    2. Decode board-es6168 section la0 la1 la2 la3 la4 la5 la6 la7 la8 la9 la10 la11 la12 la13 la14 la15 la16 la17 la18 la19 la21 ld0 ld1 ld2 ld3 ld4 ld5 ld6 ld7 hwrq# xout xin hiordy hrst# ha2 rst# db0 db1 db2 db3 db4 db5 db6 db7 db8 db9 db10 db11 db12 db13 db14 db15 dma11 dma10 dma9 dma8 dma7 dma6 dma...

  • Page 34

    3.Decode board-dsp section vdt4 vdt5 vdt7 d7 d6 d5 d4 d3 d2 d1 d0 a8 a7 a6 a5 a4 a3 a2 a1 a0 vdt6 a[0..9] d[0..7] rs v 1 d1.8v d1.8v d1.8v x ra s a1.8v a1.8v xwr a9 xrd s t1 st 2 s t3 s t4 xmwr d 3.3v xhac0 xshd0 dck0 vefg0 vdt0 vdt1 vdt3 vdt2 d1.8v d1.8v lpf 2 xrst ld m1 sled cls_sw op n _ sw op n ...

  • Page 35

    4.Decode board-h-power & driver section ldm1 cls_s w lmt _ sw c l s _ sw opn _s w o p n _s w lm t _s w vc 1 6 v c16 ldm2 sp d l 0 p g n d xs p m u t e xf t s m u t e vc1 6 v c16 ldm1 ldrs pd t s d- m ldm2 sp wm 1 sp wm 2 v c 16 vc 1 6 fai rc h il d in1 + 1 in 1- 2 o u t1 3 in 2+ 4 in 2- 5 gn d 6 gn ...

  • Page 36

    5.Decode board-rf section d vd l d b a a d a 5v pd d c ld -c d ld- c d ampsc k ampse n g nd_rf e ld on a f b rf -o p c cdl d c c d d a b b vc 2 5 o e t o e t f e o a 5v pi vc2 5 r f a c rfac mi r r cd/ x dv d df ct v r- cd v r -dv d g nd_rf g nd_rf c498 10u f/ 1 6 v c48 8 100u f /1 6 v c423 0.1uf 1 ...

  • Page 37

    6.Decode board-connect and 232 section h_ c d d at h_ c d c l k h_ c d f r m h_ c d e r r h_ d r v r d y h_ d r v c l k h_ d r v r x h_ d r v t x h_ d r v r s t h_ d r v ir q h_ m u t e h_ d v d /s ac d h_ s m u t e h_ r s t # h_ m s r e ad y h_ m s d at ao h_ m s d at ai h_ m s c k h_ x m s l at to...

  • Page 38

    7. Audio board 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 jp6 0 3 ffc s m t f r o m deco rd boar d in u605 lm 317 r624 240r 1% c635 100n c633 10uf /25v c624 10uf /16v +12v +v c c a r625 240r 1% r627 2k 1 1% c636 100n c634 10uf /25v c625 10uf /16v -1 2 v -v c c a in u606 lm 337 s1 + s2 - d611...

  • Page 39

    8. 232 and amp module board 1 2 3 4 5 6 pm01 vee vcc vo v- v+ gn d m5 module board rm20 100r rm32 270r rm37 499r rm22 1k rm23 1k rm21 100r rm36 499r qm15 2sa1312 cm14 270p dm03 1n4148 qm20 2sc3324 qm21 2sc3324 qm22 2sc3324 qm18 2sc3324 qm17 2sc3324 qm23 2sc3324 rm26 4.7k dm05 1n4148 dm04 1n4148 cm15...

  • Page 40

    9. Front panel board r808 10k r809 10k r810 10k r811 10k gn d gn d 1 2 3 u802 hs0038b gn d ir r e c e iv e r gn d r819 47r v f d- da t a gn d vf d -c l k v f d- cs ir 5v 5v gn d -2 2 v c808 10uf/50v c804 100uf/16v c803 100u/16v c806 nc c807 nc c805 nc led_po w r805 470 r800 270r gn d 5v r806 10k 1 2...

  • Page 41

    E d o m e d o m e d o m e d o m e d o m e d o m e d o m o n n i p o n n i p o n n i p o n n i p o n n i p o n n i p o n n i p 53 0 0 106 0.86 0.86 159 3.17 3.16 1 3.17 3.16 54 1 0.6 107 0.88 0.88 160 2.8 3.6 1 1.78 1.92 1 nc nc 1 1.66 1.6 2 1.38 1.38 55 0.8 0.6 108 0.77 0.77 161 2.86 3.69 2 1.9 1.1 ...

  • Page 42

    E d o m e d o m e d o m e d o m e d o m e d o m e d o m o n n i p o n n i p o n n i p o n n i p o n n i p o n n i p o n n i p 58 3.3 3.3 116 nc nc 174 nc nc 20 0.1 1.6 30 0 0 36 1.65 1.65 1 3.3 3.3 59 0 0 117 nc nc 175 0 0 21 0.1 1.6 31 0 0 37 3.3 3.3 2 4 4 60 nc nc 118 nc nc 176 0 0 22 3.3 3.3 32 2...

  • Page 43

    E d o m e d o m e d o m e d o m e d o m e d o m e d o m o n n i p o n n i p o n n i p o n n i p o n n i p o n n i p o n n i p 8 nc nc 66 1.67 1.67 124 2.5 2.5 1 2.5 2.5 1 2.4 2.4 9 4 4 67 3.35 3.35 125 2.5 2.5 1 3.3 3.3 1 0 0 2 2.5 2.5 2 2.37 2.37 10 3.17 3.17 68 nc nc 126 1.77 1.77 2 1.6 1.6 2 1.7 ...

  • Page 44

    E d o m e d o m e d o m e d o m e d o m e d o m o n n i p o n n i p o n n i p o n n i p o n n i p o n n i p mode 1 4.8 4.8 1 0 0 1 2.3 2.3 e 0 0 e 0 0 e -11.4 -11.4 pin no 2 1.5 1.5 2 nc nc 2 2.3 2.3 c 0 0 c 0 0 c 0 0 3 1.2 1.2 3 0.3 0.36 3 1.6 1.6 b 0.7 -12 b 0.7 -12 b -10.8 -10.8 e 0 0 4 0 0 4 0.2...

  • Page 45

    Printed circuit diagrams r2 2 b55 b8 5 r4 9 3 r498 c24 3 r46 6 r4 87 c5 02 r4 9 2 r4 8 8 r2 5 c4 10 h s 4- m5 _b 00 8- v m 1 .0- dec od e l33 c4 4 9 c4 0 7 gn d c5 01 vf - vf + cs clk -22 v dg nd da t a nc le d c4 35 xm2 cn 1 5 cn 1 7 q1 ic 1 8 c50 3 r495 r494 r48 6 r427 r485 c462 c455 c45 9 r4 49 r...

  • Page 46

    2. Audio board jp6 04 q622 q620 r789 r79 0 c787 u6 0 4 xm653 mut e 0 dg n d dg n d rs t h- d s m r dg n d dg n d dg n d h_ d b c k p dg n d tb ck tw s tsd3 dg n d mcl k dgn d sc l sda b6 5 3 c61 9 c6 2 0 j604 t r ig-o /f h- d c l k ea u x 3 3 h -dbck a da c -c s h- d sa r s h- d sa s w h- d sa l s h...

  • Page 47

    3.Smps p.C.Board l90 0 r948 r963 r946 r947 c9 45 r957 q921 r956 r955 r968q9 23 c900 r9 54 r9 44 q9 07 r9 42 q90 6 r970 c943 c949 r943 r967 d911 q900 r958 d910 q922 c950 b90 0 c939 c935 rt90 0 r911 r930 c914 r900 c940 -vc c a r939 j9 0 7 -2 2 v +5 v s +9vs vf- vf+ sgn d +3 .3 v +5 v d +vc c a stb dg ...

  • Page 48

    4.Front panel board r819 sto p dec,01/2005 hs4-m55_b008-vm1.0-fpp s8 07 q8 0 1 op en /cl s s8 01 r808 r8 0 6 r8 2 0 r810 r811 s800 power d800 r8 0 0 r8 0 5 q8 0 2 gnd right s8 10 left pla y s8 02 m en u down s813 enter s803 s812 up s815 w8 1 2 w8 1 3 st b clk le d gnd da t a -22 v s814 nc vf + vf - ...

  • Page 50

    Section 4 mechanism mechanism assembly laser pick up rubber damper screw loader wxd-8836b loader gasket (79-051002-0) loader clamp2 (69-051004-0) loader clamp1 (69-051003-0) 4-1.

  • Page 51

    R e r u t c a f u n a m y t q t n i r p t o o f r o t a n g i s e d e p y t t r a p n / p .1 p/n:01-50501-00 pcb1 board ˄ decode ˅ inductor ..2 2 m m 5 = h c t i p 6 3 l , 5 3 l k 0 7 4 - 6 0 6 0 b g l , h u 7 4 r o t c u d n i 0 0 - 0 7 4 2 0 - 8 0 no6 wireless factory in changzhou china ..2 k d t ...

  • Page 52

    R e r u t c a f u n a m y t q t n i r p t o o f r o t a n g i s e d e p y t t r a p n / p ..2 26-10451-00 ceramic chip capacitor 0.1uf, 50v, +80-20%, y5v b2, b4, b11, b12, b26, b27, b28, b29, b30, b31, b32, b33, b34, b35, b36, b70, c1, c2, c3, c108, c284, c285, c286, c287, c288, c301, c302, c303, c3...

  • Page 53

    R e r u t c a f u n a m y t q t n i r p t o o f r o t a n g i s e d e p y t t r a p n / p ..2 07-90103-10 chip resistor network 10k ȍ×4, ±5% rm10, rm11, rm12, rm13, rm14, rm15, rm16, rm17 0603×4 8 fenghua/tdk connector ..2 d i s n o l / s j 1 p i d 0 2 n c r o t c e n n o c m m 2 * 5 n o c 0 0 - 5 0...

  • Page 54

    R e r u t c a f u n a m y t q t n i r p t o o f r o t a n g i s e d e p y t t r a p n / p ..2 26-10421-10 ceramic chip capacitor 100nf/25v, ±10% b650, b651, b653, c605, c627, c628, c635, c636, c688, c689, c690, c691, c692, c693, c694, c695, c696, c697, c702, c704, c706, c707, c708, c709, c710, c711,...

  • Page 55

    R e r u t c a f u n a m y t q t n i r p t o o f r o t a n g i s e d e p y t t r a p n / p ..2 p m o c i h p / o e g a y 4 5 0 8 0 9 1 6 r , 8 1 6 r , 6 1 6 r , 5 1 6 r % 1 ± , r 0 1 9 r o t s i s e r p i h c 1 1 - 0 0 1 9 9 - 7 0 ..2 07-91002-01 chip resistor 10k ȍ, ±1% r604, r606, r607, r608, r646,...

  • Page 56

    R e r u t c a f u n a m y t q t n i r p t o o f r o t a n g i s e d e p y t t r a p n / p ..4 07-90102-02 chip resistor 1k ȍ p m o c i h p / o e g a y 4 x 1 6 0 2 1 5 2 m r % 5 ± , inductors ..4 4 x 1 0 1 2 1 1 0 m l h u 0 0 1 d m s r o t c u d n i 1 0 - 1 0 1 4 0 - 8 0 fenghua connectors ..4 4 x 1 ...

  • Page 57

    R e r u t c a f u n a m y t q t n i r p t o o f r o t a n g i s e d e p y t t r a p n / p …3 m m 7 3 3 × m m 6 3 1 , m m 6 . 1 , 4 - r f 0 0 - 0 4 5 5 5 - 6 1 0.5 metal parts ..2 65-051011-0 ir bracket tin plate t=0.3mm 1 pastic parts ..2 75-051001-0 display bracket abs black 1 .1 01-50505-00 232 bo...

  • Page 58

    R e r u t c a f u n a m y t q t n i r p t o o f r o t a n g i s e d e p y t t r a p n / p ..2 33-20104-00 fast-recovery rectifier diode n o r t c e r 2 m m 0 1 = h c t i p 0 1 9 d , 0 0 9 d 4 0 1 r f ..2 n o r t c e r 2 m m 0 1 = h c t i p 6 1 9 d , 8 0 9 d 7 0 1 r f e d o i d r e i f i t c e r 0 0 ...

  • Page 59

    R e r u t c a f u n a m y t q t n i r p t o o f r o t a n g i s e d e p y t t r a p n / p .1 14-50506-01 wire ld2.0a-6y plugs, ul1007 26awg wire white l=140±5mm mechanism to decode board 1 .1 14-50520-00 ffc same side, 20pin, 1mm, 60± 3mm audio board to decode board 2 .1 14-50506-00 ffc same side, 6...

  • Page 60

    R e r u t c a f u n a m y t q t n i r p t o o f r o t a n g i s e d e p y t t r a p n / p .1 61-023106-0 self taping screw stb3×6 rear panel(5), mechanism(4), chassis(4), rs232 board(2) 15 banjing .1 4 ) 4 ( n e e r c s u s p 8 × 3 b m w e r c s e n i h c a m 0 - 8 0 5 3 2 0 - 1 6 banjing .1 4 ) 4 (...