Panasonic-SAAK38-cs-sch 电路图 维修手册.pdf

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1、8 19 73 1 15 44 44 75 5958 78 80 64 3 E E A B 26 24 16 23 2 a b 67 4 106 110 110 3 111 6 C CN1000 IC1000 MPEG VIDEO AUDIO DECODER IC702 DSP IC701 SERVO IC401 SYS CONT. LCDD A4BC A X701 16.9344MHz X1000 27MHz Sub-code Q data L ch R ch 17 Audio signal output Video signal output CD-DA/ VCD (AUDIO&VIDEO

2、) Clock lineVCD(VIDEO)CD-DA/ VCD(AUDIO) IC1003 INVERTER 5 Circuit diagram DATA SIGNAL LINE WAVEFORMS Note:Use the PVCD-K06 video CD test disc (menu playback feature is available on version 2.0). For color bar display, play back the 1st track when the menu playback feature is used, or the 3rd track w

3、hen the feature is not used. IC702IC1000 CD serial data input 67DIC1000 Video signal output (blue back screen) IC702 , Audio signal output 7375E IC1000 Audio serial data outputARF signal T=0.354 s(F=2.822MHz)T=0.48 s(F=2MHz) PLAY X:0.5 s Y:0.023Vx10 PLAY X:0.2 s Y:0.2Vx10 T=1 s(F=1kHz) PLAY X:0.2 s

4、Y:0.2Vx10 PLAY X:1 s Y:0.1Vx10 H signal(PLAY, X:10 s, Y:0.1Vx10) V signal(PLAY, X:5 s, Y:0.1Vx10) (color bar screen) H signal(PLAY, X:10 s, Y:0.1Vx10) V signal(PLAY, X:10 s, Y:0.1Vx10) Test disc played at 1kHz, 0dB (1st track SZZP1056C) 0.8V 3.2V 1.2V 0.6V 0.6V 2.4V 1.2V 6.2V 8 s 8 s 8 s 8 s 8 s 8 s

5、 63.5 s 16.7 s 63.5 s 16.7 s RadioFans.CN 收音机爱 好者资料库 MASTER CLOCK SYSTEM WAVEFORMAUDIO DATA CLOCK SYSTEM WAVEFORM baAVideo read clockWrite reference clockAudio bit clock 2.4V T=0.037 sT=0.354 s T=0.5 s 3.0V6.2V F=27MHzF=2.822MHzF=2MHz Diagnostic Procedures by Symptom Symptom CD-DA Video-CD Likely Lo

6、cation Fault TOC NG Turntable fails to rotate. Turntable rotates. Audio normal Audio normal TOC OK, counter OK, but no sound TOC NG (both audio and video are NG.) Blue black display. Fails to rotate. Rotates. Audio normal, Video NG. No sound, Video NG. TOC OK, counter OK, but no sound and video NG.

7、For TOC NG, fault in the CD servo circuit. IC701, IC702, IC703, or traverse system. Traverse system, focus servo system (IC701,IC703), supply line, clock line system control. Traverse system, tracking servo system/ CLV servo system/ traverse servo system (IC701, IC702, IC703) IC1000 IC1000 CD disc o

8、ther than DV “Karaoke” soft, video CD and CD-DA. RadioFans.CN 收音机爱 好者资料库 Troubleshooting Procedure1 CD-DANo sound CD-DA: Compact disc digital audio(convertional CD only with audio tracks) Troubleshooting flowchart (Check)(Check) Are the following waveforms present at pins and of IC702 when the 1kHz,

9、 0dB portion of the 1st track on test disc SZZP1056C played back? Press the SELECT( ) button to start playback. Press the SELECT( ) button to start playback. Press the STOP( )button to stop playback. Load a CD-DA disc. TOC display normal? (Are track No. and time displays normal?) Does sound dropout

10、occur? Check pin of IC702 or pin of CN1000. Constant low(0V) level 0V The following waveform is observed either intermittently constantly during playback. 2.4V 1 s 3.2V 6 s 6 s IPFLAG 7573 Taverse deck. IC701, IC702 Refer to “Troubleshooting guide” on 18.1. CD servo circuit. Faults is in the travers

11、e deck or main board (servo block). IC702 IC801, Q801, Q802, headphones jack, etc. NO YES NO NO YES YES Normal (go to procedure 2-1) Likely location of fault 6426 RadioFans.CN 收音机爱 好者资料库 Troubleshooting Procedure2-1 Video CDNo picture or No sound Troubleshooting flowchart (Check) (Check) Load a vide

12、o CD disc. TOC display normaly? (Are track No. and time displays normal?) Does the menu appear on screen? Check the waveforms at pin of IC702 or pin of CN1000. Image noise or unstable picture. Is the sound unstable? Video lineAudio line Constant low(0V) level 0V The following waveform is observed ei

13、ther intermittently constantly during playback. 3.2V 3.0V 3.2V 23 s T=0.36 s T=0.36 s 23 s Are the following waveforms present at pins , of CN1001? 2410 Traverse deck. IC701, IC702 Faults is in the traverse deck or main board (servo block). IC1000 Press the SELECT( ) button to start playback. NO NO

14、NO NO YES NO YES YES YES YES Normal Press the STOP( )button to stop playback. Press the menu(+,-) to select the menu. Press the select ( ) to start playback. 10CDDATA 24CDSCK Procedure 2-3Procedure 2-4 Not connected to TVConnected to TV Likely location of fault 64 6 Troubleshooting Procedure2-2 Vide

15、o CD blue backNo blue back Troubleshooting Procedure2-3 Video portion of video CDNo picture Troubleshooting flowchartLikely location of fault Troubleshooting Procedure2-4 Audio portion of video CDNo sound Troubleshooting flowchartLikely location of fault Press the SELECT( ) button to start playback.

16、 Press the STOP( )button to stop playback. Load a video CD disc. Does blue-back screen appear? Is the following waveform present at pin of CN1000? NO NO YES NO YES YES Normal 0.5V 0.5V T=63.5 s T=16.7 s 6.2V T=0.5 s Faults is in the main board (video output block) IC1000 Likely location of fault: IC

17、1000 Is the following waveform present at pin of IC1000? Audio signal line IC1000 IC702 2 110 S620 (/TUNE/ TIME ADJ) 1936542 1936542 2 1 3 4 5 6 7 4 5 3 6 2 7 1 7 7 8 R606 68K R609 22K R613 10K R617 6.8K R631 4.7K R638 2.7K R644 2.2K R649 1.8K R653 1.2K S636 (CD1) S604 (CD MANAGER) R656 1K R660 1K R

18、654 470 D611 (CD1) R655 470 R657 470 R659 470 R661 470 D612 (CD2) D613 (CD3) D614 (CD4) D615 (CD5) H602B D611-615 SLR325MCT31W S602 (AUX) R612 22K R605 10K R608 6.8K R611 4.7K S603 (DECK1 OPEN) S612 (REV MODE) R616 2.7K R624 2.2K R633 1.8K R640 1.2K S606 (TAPE EDIT) S637 (/ FM MODE/ BP/ PREV) R648 1

19、K CP600 CN600 S631 (RANDOM) S621 (CLOCK/ TIMER) S625 (PLAY/REC) S628 (MODE) R639 1K S615 (V.BASS) R634 1K S626 () R629 1.2K S641 (MENU-) R604 1.8K S642 (MENU+) R600 2.2K S643 (RETURN) R623 2.7K S644 (ECHO) R687 22K S645 (KEY CON) R681 10K S646 () S647 () S640 (KARAOKE) JK600 PHONES L602100H L600100H

20、 L601 10H C604 0.022 C606 0.022 T S R S633 (CD2) S627 (CD3) S617 (CD4) S610 (CD5) OPERATION(1) CIRCUITG SCHEMATIC DIAGRAM-10 S634 (TUNE/ TIME ADJSELECT) R652 1K S616 (DECK2 OPEN) S609 (REC/ STOP) OPERATION(2) CIRCUITH S619 (DISP/DEMO) R680 6.8K R645 4.7K R677 2.7K R647 2.2K R641 1.8K FL CIRCUITI S63

21、5 () S630 () S623 () S613 () S607 () 8 8 Q615-617 RVTDTC143EST LED DRIVE R6031.2K R6071KR6101K S611 (TAPE DECK1/ 2) S608 (CD) S605 (TUNER/ BAND) D602 SLR325MCT31W (TUNER) R626 470 R625 470 R627 470 D601 SLR325MCT31W (CD) D600 SLR325MCT31W (TAPE) S629 (TUNE MODE/ PBC ) Q617 Q616Q615 R696 68K JK602 MI

22、C2 S622 () S618 () S614 () S639 (3D AI EQ) R618 10K R615 22K R636 68K R630 6.8K R635 4.7K JK601 MIC1 L606 3.3H R983A 680 R621 680 4 5 3 6 2 7 1 4 5 3 6 2 7 1 (SOUND EQ) A B C D E F GA B S632 (/ MEMORY/ NEXT) S638 (POWER/) C666 0.022 (CD DIRECT PLAY/ OPEN) :CD-DA/V-CD(AUDIO) SIGNAL LINE:MIC SIGNAL LI

23、NE 4.7V 0V 0V 0V (0V) (4.7V) 6.7V (6.7V) 6.7V 6.7V (6.7V) 6.7V0V (0V) 0V (0V) 6.7V 6.7V 4.7V (4.7V) 0V 0V (0V) 0V 0V (0V) 4.7V 4.7V (0V) 0V 6.7V (6.7V) 0V 0V (6.7V) 6.7V 2 1 3 4 5 6 7 8 H602A A B C D E Z602 RCDRPM6937H4 (REMOTE SENSOR) R682 47 C692 50V4.7 C622 0.01 DECBA IC601 BU2090AF-E2 LED DRIVE

24、C611 0.1 D610 SLR325MCT31W (3D AI EQ) R694 1.5K Q602 KTA12710YTA POWER SUPPLY R6621K Z a J K SCHEMATIC DIAGRAM-11 R650 680 IC605 BU9255FS-E2 ELECTRIC ECHO/ MIC MIX 8 9 7 10 6 11 5 12 4 13 321 141516 MIX OUT BIAS MIX IN ADLPF IN ADLPF OUT ADINT IN Vcc MUTE CR ECHO VR CR DAINT IN DAINT OUT DALPF IN DA

25、LPF OUT ADINT OUT 8 9 7 10 6 11 5 12 4 13 321 141516 MUTE A CLK / CD REC/ PLY TIM G5 G4 G3 G2 G1 Vcc DATA GND LED CTL PCONT 3D AI VBASS B A C676 4700P R971 8.2K R960 10K R693 22K C678 3300P R958 15K R957 4.7K C680 50V0.47 R956 10K C679 0.033 C682 16V22 C681 0.015 C674 0.015 R970 22K R651 100 C609 50

26、V1 R643 4.7K C607 100P C605 1000P C603 50V1 R632 8.2K R637 330K C608 1000P C610 16V330 R620 330K C602 0.01 R628 47 C600 50V0.33 C688 1000P R962 470K R614 2.2K R619 3.3K C687 50V4.7 C685 470P R964 4.7K C684 50V3.3 R963 560 C686 0.01 C675 0.033 R972A 1.2K C632 0.01 D654 MTZJ5R1BTA R954 27K C620 150P C

27、619 16V10 R950 22K C683 0.01 R955 1K H I L607 10H Q612 2SC1740SSTA MIC AMP Q600 2SC1740SSTA MIC AMP Q601 KTC3199GRTA MIC AMP R959 100 C677 50V1 R993 8.2K VR601 10K(B) (MIC VOL) D608 SLR325MCT31W (SOUND EQ) R646 470 R985A 470 D617 SLR505DCT31 (VIDEO CD)R679 390 R695 22K D605 SLI325URCT31 (AC IN)R642

28、3.9K R622 5.6K D604 SLI325DCT31 (PLAY/REC) R658 100 321 VDDGNDOUT C613 680P C614 680P R6631K L V R976A 100 C690 50V1 D607 SLR325MCT31W (SOUND EQ) U :POSITIVE VOLTAGE LINE:MIC SIGNAL LINE 5.2V 4.2V 3.7V 1.2V 0V 0.7V 6.9V 4.7V 4.2V 2.4V2.4V2.4V2.4V2.4V4.9V0V4.9V 2.4V2.4V2.4V2.4V2.4V2.4V0V 8.3V 7.5V 8.

29、3V 5V0.4V6.7V6.7V6.7V6.7V4.3V 3.5V1.8V6.7V0V0V0V 5.8V 8.3V R697 220K R92910K IC600 M38199MF230 SYSTEM CONTROL/ FL DRIVE 858687888990919293949596979899100 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 31 32 33 34 35 36 37 3840 41 42 43 44 45 46 57 58 59 60 61 62 63 64 65 66 67 68 69

30、70 71 72 73 74 75 76 77 78 79 80CRT/SER4 TPS DECK1 DECK2 KEY4 KEY3 KEY2 KEY1 MM D IN MM RST MM REQ RMT DCDET ECONO SYNC /RESET XCOUT XIN XOUT Vss MBP1 MBP2 LED TU LED CD LED TAPE SPA GRD3 GRD4 GRD5 SEG21 SEG20 SEG19 SEG18 SEG17 SEG16 SEG15 SEG14 SEG9 REG8/SEG8 REG7/SEG7 REG6/SEG6 REG5/SEG5 REG4/SEG4

31、 Vcc REG3/SEG3 REG2/SEG2 REG1/SEG1 REG IN EEDATA EECLK VEE AVss VREF 39 25 NC 26 PLLCE 27 PLLDA 28 PLLCLK 29 SD 30 ST DO 56GRD2 55GRD1 54GRD13 53GRD12 52GRD11 51GRD10 47 SPB 48 49 50 84 SEG10 83 SEG11 82 SEG12 81 SEG13 XCIN SPC GRD8 GRD9 SEG29 SEG28 SEG27 SEG26 SEG25 SEG24 SEG23 SEG22 SEG32 SEG31 SE

32、G30 GRD7 GRD6 SER1 ECHO LVL SER3 SER5 SPE V JOG A/B J JOG A/B ECHO MUTE A SER2 MM CS MM CLK MM D OUT C629 330P R686 22K A B C D E F G H I J K L M N O P Q R S T U V W X Y A B C D E F G H I J K L M e d b A B C D633-635,639 RVD1SS133TA D633 D634 D635 D639 R92810K R927 10K R93010K Q608,609 KTC3199GRTA S

33、WITCHING(MBP) R917 680 R934 4.7K X600 (8MHz) C656 68P Q609 C664 1000P R931 4.7K C663 1000P Q608 C659 56P C657 68P C661 56P X601 (32.7kHz) C654 18P C651 15P R920 330K R918 10M R9261K R92410K L P I H Q607 KRC103MTA RESET R932 22K R933470 C655 100P C662 50V2.2 D638 RVD1SS133TA R923 22K R911 47K C647 0.

34、01 C652 100P C658 50V1 D628 1SS291TA D627 1SS291TA g O L603 3.3H D630 MA723TA R678 680 C625 6.3V1000 C623 1000P C624 6.3V100 C626 1000P D646 RVD1SS133TA C670 560P C646560P C645 560P E G F F E D G H J X D i j C K M N K L J W R690100 R691100 R692100 R689100 R68310K R68810K R68510K R68410K D629 RVD1SS1

35、33TA C642 16V10 C628 10V22 C627 0.01 C639100P C638560P C637560P C636560P C635560P C630560P C631560P C665560P R919100 FL CIRCUITI SCHEMATIC DIAGRAM-12 R961 10K R974100 R975100 I f R966 2.2K Y h B A R946 10K R947 1K R948 10K R949 2.2K R965 10K Q618 2SC3311ARTA INTERFACE N O P Q R S T Q R973A100 R91610

36、0 :NEGATIVE VOLTAGE LINE:POSITIVE VOLTAGE LINE -30.8V 5.8V 14.5V 8.3V 5V 0.3V 0V 0.7V 0V 4.9V 0V 1.8V 0.6V -21.2V -16.1V -9.2V -26.4V -26.4V -18.6V -21.1V -19.4V -18.3V -14.3V -12.5V -19.6V -18.9V -17V -17.3V -9.9V -14.3V -19.2V -14.8V -28.5V -28.5V -28.5V -28.5V -28.5V -28.5V -28.5V -28.5V -28.5V -

37、28.5V -28.5V -26.2V -28.5V -30.9V -28.5V -30.9V -14.6V -19.3V -20.9V -24V -23.8V 5V -23.1V -28.3V -23.7V 0V -30.8V 5V -28.5V -28.5V -12.9V -12.9V -12.9V 4.7V 0V 0V 4.8V 0V 4.9V 4.9V 4.6V 2.8V 4.9V 1.8V 2.5V 2.3V 2.4V 4.7V 0V (4.7V) (0V) (0V)0V0V 0V 4.7V(0V) (0V) (4.7V)4.7V 0V 0V 5V 4.9V 0V 0V 0V 2.2

38、V 4.9V 0.6V 0.4V 1.8V 2.5V 0V 0V 0V 2.7V 2.7V 1.3V 0V 0V 0V 0V 5V 4.6V 5V 4.6V 1.2V 2.1V 2.7V 4.9V 11 20 12 13 14 15 16 17 18 19 2 1 3 4 5 6 7 8 9 10 MM I/ O NC +15V MIC M.GND NC CP605 SD SER3 NC MUTE A P.CONT VBASS SER5 11 12 13 14 15 16 17 18 19 2 1 3 4 5 6 7 8 9 10 LED9V SPEANA SW5V MAIN CLK VREF

39、+ PLL DA PLL CE MN CS MN REQ MN RST CP604 DCDET PLL CLK ST.DO NC D.GND -VP HP.GND HP.Rch SER4 NC 26 20 21 22 23 24 25 W X Y Z a S R T I K M N O J P Q HP.Lch HP.SW CTL+B 2 1 3 4 5 SYNC FL1 FL2 SYS6V ECOND H601 6 A B A B C GND IC603 M62457FPE1 SPE.ANALYZER AMP R942 100K R969 100K C649 16V10 C648 50V0.

40、1 R912 100K C669 50V0.1 C668 50V0.1 C650 0.01 C667 0.01 febd FL600(RSL0295-F) 126789 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 4346 47 FL DISPLAY 344 4548 4951 52 535 C612 35V22 C660 50V3.3 R922 68 R925 68 D636 MA4020LTA A B C D EF G H IJ KL M

41、 NO PR S T UV W XY A B C DE F G H IJKL M N QO C634 35V22 A B C R664100K R665100K R666100K R667100K R668100K R669100K R670100K R671100K R672100K R673100K R674100K R675100K R676100K P R R977A 1K NC NC NC ToPOWER TORANSFORMER CIRCUIT (CN502) on SCHEMATIC DIAGRAM-19 N To MAIN(CONTROL) CIRCUIT(CN302) on

42、SCHEMATIC DIAGRAM-15 B To MAIN(CONTROL) CIRCUIT(CN303) on SCHEMATIC DIAGRAM-15 B Q613 KRC102MTA INTERFACE R939 220 R943 47K C691 33P SCHEMATIC DIAGRAM-13 R914 100K R967 330 R968 330 R907 100K 8 7 6 2 1 3 4 5 R940 220 C689 33P S600 (SOUND EQ) 321 R935 22K R910 12K R936 10K R902 12K R904 22K R951 10K

43、C615 100P C616 100P VR600 (VOLUME) L605 100H Q605,606 KTC3199GRTA FL DRIVE Q606 Q605 L604 100H C653 10V330 D637 1SS291TA R913330 R698330 R909220 R908150 R906220 R905220 R903220 R901220 R699220 R952A 330 TSQ CMK DATA SW5V DMK CLK VREF- EADIN5 ADIN6 ADIN7 VREF+ F G H600 H L R945 47K D640 RVD1SS133TA D

44、641 RVD1SS133TA R944 10K R941 22K Q614 2SC3311ARTA INTERFACE Q611 KRC102MTA POWER SUPPLY CONT. R938 4.7K R937 470K D643 RVD1SS133TA Q610 2SA933SSTA POWER SUPPLY NC NC NC NC NC NC V R921 5.6K NC R953A 5.6K jihg ToMECHANISM CONTROL CIRCUIT (CN1001) on SCHEMATIC DIAGRAM-7 C R984A 1K 16 1 15 2 14 3 13 4

45、 12 5 11109 678 GND2 B Vcc/2 VREF IREF DIF OUT C OUT C NF A OUT ANF A Vcc C PHOUT GND1 ENB U 321 R915330 C671 0.1 :CD-DA/V-CD(AUDIO) SIGNAL LINE :MIC SIGNAL LINE:NEGATIVE VOLTAGE LINE :POSITIVE VOLTAGE LINE 5.8V 14.5V 8.3V 5V 5V 5V 0.7V 0.3V 0.6V 0.6V 0V 4.3V 4.3V 5V 5V 2.5V1.5V2.5V2.5V2.5V2.5V2.5V

46、1.3V4.9V2.3V2.3V2.3V4.9V -28.3V -28V 4.2V -28V 4.2V -28.3V -30.8V 1 2 4 3 AC CaE S5 (BOTTOM) D1 GP1S94 (POSITION SENSOR) 1 2 4 3 BOTTOM SW CIRCUIT 1 2 3 1 2 3 S4 (CLAMP) W1 W2 A B C D CLAMP SW CIRCUIT LOADING MOTOR CIRCUIT 14 2 1 3 4 5 6 7 8 9 10 11 12 13 CN1 PLUNGER S2 (TRAY POSITION2 DET.) S1 (TRA

47、Y POSITION1 DET.) S3 (OPEN DET.) IC1 TA7291P MOTOR DRIVE A B C D 8.7V M 12345678910 R1 1K C1 16V100 D2 MTZJ4R7BTA Q1 RVTDTC143EST MOTOR DRIVE RM1 (LOADING MOTOR) C2 0.01 J K L SCHEMATIC DIAGRAM-14 CL DO DI Lch IN CE Rch IN +B(3) SD +B(4) B A 10 9 8 7 6 5 4 3 2 1 GND ToMAIN (TUNER) CIRCUIT() on SCHEM

48、ATIC DIAGRAM-4 C3000.01 R45410K R3004.7K C3011000P R488 1K R362 10K D347 RL1N4003S-P Q348 2SB621ARSTA PLUNGER DRIVE Q349 KRC102STA PLUNGER DRIVE IC304 BA4558FE2 BUFFER AMP 1234 5678 Q204,404 2SC2412KT96R MUTING Q308 KRA102STA MUTING CONT. A B C D E F G H I J Lch Rch LINE OUT Lch Rch AUX JK305 JK305

49、R403 47K R203 47K C403 100P C203 100P C444 50V3.3 C244 50V3.3 R434 2.2K C448 50V3.3 R445 15K R446 2.7K C449 16V10 C333 0.01 C446 47P C447 100P C450680P R44747K R450 120K C443 50V3.3 Q404 Q204 R241 1K R441 1K R329 68K R328 150K C319 50V1 C246 47P C247 100P C250680P R24747K R250 120K C243 50V3.3 R245 15K R246 2.7K C249 16V10 C248 50V3.3 R234 2.2K C401 100P C201 100P R401 10K C402 100P R402 3.9K C202 100P R202 3.9K R201 10K O P 1 13 14 3 4 5 6 7 8 9 10 11 12 2 CN306 A B C D E FG H IJ R355 100 1 2 10 3