Panasonic-SAAK510LBS-cs-sm 电路图 维修手册.pdf

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1、Manual de Servio CD Stereo System SA-AK510LB-S Tape: RD-JMD052-Z CD: RD-DAC024-Z (Mecanismo s/ Unid. ptica) RD-DAU58-PM (Unid. ptica montada c/ PCI do Servo) RAF0150A-4S (somente Unid. ptica) ? Especificaes Tcnicas ? AMPLIFICADOR Potncia de sada: RMS (THD 10%, 6) . BI-AMP Total 220 W High (10 kHz) 5

2、5 W x 2 Low (1 kHz) 55 W x 2 PMPO . 2.400 W Entrada AUX (tomada RCA) . Sensibilidade 250mV, 13,3 k Entrada MIC (tomada fone) . Sensibilidade 0,7mV, 680 ? RDIO Faixa de freqncia . FM - 87,5 a 108,0 MHz AM - 520 a 1710 kHz Terminal de antena . FM - 75 AM - Antena LOOP Relgio . AM/PM - 12 h ? TOCA FITA

3、S Mecanismo . unidirecional Sistema de trilhas . 4 pistas, 2 canais estreo Motor . Servo motor DC Sistema de gravao . AC bias 100 kHz Sistema de apagamento . AC erase 100 kHz Velocidade da Fita . 4,8 cm/s Resposta em freqncia . 35 Hz a 14 kHz (+3, -6dB) Relao sinal/rudo . 50dB (balanceado) Wow QZZCW

4、AT. 12.1.1. AJUSTE DE VELOCIDADE DA FITA (DECK ) 1. Fixe o boto “Edit bottom” (boto de edio) para a posio normal. 2. Insira a fita de teste QZZCWAT no Deck 2 e reproduza (FWD) a mdia poro. 3. Ajuste o Motor VR (Deck 2) para o valor de sada mostrado abaixo: Objetivo do ajuste: 2940 3060 Hz (Velocidad

5、e Normal) 4. Aps o alinhamento, assegure-se de a freqncia de sada do Deck 1 FWD est dentro de +/- 60Hz do valor da sada do Deck 2 FWD Unidade 12.1.3. AJUSTE DA FREQNCIA DE BIAS DO DECK 1/2 1. Coloque a unidade na posio auxiliar selecionando “AUX”. 2. Insira a fita cassete “virgem” (QZZCRA) no Deck 2

6、 e acione o modo REC (?use a tecla “REC/STOP”). 3. Ajuste L1002 para que a freqncia na sada fique dentro do valor padro: 14+/-4mV (Normal) 80mV (Normal) Valor padro 97 +/- 8Khz Osciloscpio. Modulao Freqncia de modulao. Freqencmetro Digital Fig. 1 Freqencmetro Digital 12.1.2. VERIFICAR A TENSO DE BIA

7、S E APAGAMENTO. 1. Coloque a unidade na posio “AUX”. 2. Insira a fita cassete “virgem” (QZZCRA) no Deck 2 e acione o modo “REC” (use a tecla “REC/STOP”). 3. Execute as medidas e tenha certeza de que as medidas esto dentro dos valores padres. 4. Insira a fita de cromo (CrO2) (QZZCRX). 5. Repita os pa

8、ssos 2 e 3. Tenso de Bias para o Deck 2 : 14 +/- 4mV (Normal) 17 +/- 5mV (CrO2) Tenso de Apagamento para o Deck 2: mais de 80mV (Normal) Mais de 90mV (CrO2) 12.2.SEO DO SINTONIZADOR. 12.2.1. ALINHAMENTO DA FREQNCIA INTERMEDIRIA DE AM. 1. Conecte o instrumento conforme ilustrado na Fig.1. 2. Posicion

9、e a unidade no modo AM. 3. Aplique o sinal como ilustrado na fig. 1 do AM-SG. 4. Ajuste Z102 para que a freqncia de sada seja maximizada. SA-AK510 41 12.2.2 AJUSTE DE RF DE AM 1. Conecte o instrumento como ilustrado na Fig.3. 2. Posicione a unidade para o modo AM. 3. Ajuste o AM-SG para 520Khz. 4. R

10、eceba 520Khz na unidade. 5. Ajuste Z101 (OSC) para que o EVM-AC seja maximizado. 6. Ajuste AM-SG para 600Hz. 7. Receba 600Hz na unidade. 8. Ajuste Z101 (ANT) para que o EVM-SG seja maximizado. 9. Ajuste o AM-SG para 520 kHz. 10. Recebe 520 kHz na unidade. 11. Ajuste Z101 (osc) para que o valor a ser

11、 lido no EVM-DC seja 1,10,5V. 12.3.PONTOS DE ALINHAMENTO 12.3.1. SEO DO DECK CASSETE 12.3.2. PONTOS DE AJUSTE Bobina de choque P.C.I. Principal (sintonizador) Terminal de Antena de AM SA-AK510 42 13.DIAGRAMA ESQUEMTICO SA-AK510 43 : CD-DA SIGNAL LINE IC703 AN8739SBTE2 FOCUS COIL/ TRACKING COIL/ TRAV

12、ERSE MOTOR/ SPINDLE MOTOR DRIVE R701 4.7 CN701 Q701 Q701 B1ADCF000001 LASER POWER DRIVE 3837 3536 34 29 30 GND GND F- T+ T- LPD VREF A B GND LD GND LD E F VCC 28 C701 6.3V33 R750 C714 6.3V100 C713 0.1 C750 0.1 C751 0.1 C702 0.47 IC701 AN22004A-NF SERVO AMP C705 0.1 C707 0.039 C704 0.1 C703 6.3V100 C

13、712 C711 R708 0 R707 0 R744 39K C747 470 R706 1K R704 1K R702 4.7K R705 39K C710 470 C742 0.047 M701 TRV MOTOR C736 0.1 M702 SP MOTOR C737 0.1 R731 22K R728 18K R749 18K C739 0.01 R729 1.5K C738 0.047 R723 5.6K C752 0.01 R727 1.5K C715 0.22 R725 560 R715 2.7K R735 100 C735 0.1 C734 10V220 R736 10 F+

14、 C770 0.1 R742 10K R743 4.7K C749 3900P C706 1 C716 680 31 3233 41 39 42 40 0.1 R7376.8K 0.1 R7386.8K 5.6 DIAGRAMA ESQUEMTICO-1 CIRCUITO SERVO DO CD CIRCUITO DA LEITORA TICA : +B SIGNAL LINE M M 12 11 10 2 4 6 8 9 7 5 3 1 13 14 15 16 12 11 10 2 4 6 8 9 7 5 3 1 13 14 15 16 1 2 3 4 5 12 9 8 67 11 10 E

15、 VREF A NC LPD GND GND F VCC B LP LDG C32.2P 1000PC2 VR1 C1 5.6P LPD LD VCC EQSW RFOUT RF IN CAGC ARF CEA (ENV)3TOUT DCDET OFTCONT BDO OFTR /RFDET LDON GND EQBST VREF TEN TEOUT FEN FEOUT GCTL FBAL TBAL E F A C B D 1234 23242526 5 22 6 21 7 20 8 19 9 18 10 17 111612151314 272829303132 IC703 VCC NC NC

16、 RSTIN IN3 IN4 VREF NC /RST GND GND PVCC2 PGND2 D4+ D4- D3+ D3- PGND1 PVCC1 NC D2+ D2- D1+ D1- IN1 NC PC2 NC IN2 NC 3456 222324 712 25262120 8 19 9 18 10 17 1112 16 13 1514 SA-AK510 44 A9 CAS D2 D3 A4 A5 A6 A7 A8 D0 D1 WE RAS A0 A1 A2 A3 A10 : CD-DA SIGNAL LINE CN702 LD SW +3.3V RCH OUT A.GND LCH OU

17、T 16 TO MAIN CIRCUIT (CN310) ON SCHEMATIC DIAGRAM-6 REST SW /RST STAT BLKCK MLD MDATA MCLK P.GND +7.5V TX 25 24 23 22 14 IPFLAG LRCK SRDATA 1 262 3 4 5 21 19 18 17 911 87 1315 DIAGRAMA ESQUEMTICO-2 CIRCUITO SERVO DO CD : +B SIGNAL LINE: CD SIGNAL LINE 12 11 10 2 4 6 8 9 7 5 3 1 13 14 15 16 17 18 19

18、20 21 22 23 24 DISCK DIDATA DILRCK D.GND 384FS R71182K C743 VSS A0A1A2A3 A4 A5 A6A7A8A9 IC704 C3ABMB000027 16M DRAM VCCD0 NC VCCD1/WE /RAS NCNCA10 /0E/CASD2D3VSS 34567128910111213 19202122182324171615142526 C781 0.1 C733 0.1 C748 0.1 C729 0.1 R709 100K C7170.1 C744 0.015 C718 0.082 R712 820 C741 100

19、0P C755 0.1 C753 470 R717 R718 C725 1000P C726 1000P C727 C728 0.1 R760 100 BCLK R753 10 C780 0.1 RLBV102V-YL701 C746 0.1 C722 12P C721 12P R714 220 R720 1M X701 RSXB16M9J02T C782 0.1 RESET SW S701 1K50V1 1K50V1 R721 100 C730 0.1 C7316.3V220 C723 C724 6.3V220 0.1 C740 0.1 C757 50V4.7 C758 0.1 1012 1

20、2346910 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 54 55 56 57 58 59 60 61 62 63 68 65 66 67 72 69 70 71 73 74 75 76 77 78 79 80DVDD2 SPOUT TRVM(PC) TRP TRM FOP FOM IOVDD1 TBAL FBAL FE TE RFENV OFT NRFDET BDO LDON ARF IREF ADPVCC DSLF (DRF) RFS

21、W PLLF PLLFO AVDD2 AVSS2 OUTL AVSS1 AVDD1 OUTR DVSS3 DVDD3 TMOD2 FLAG EXT2 EXT0 EXT1 IOVDD2 TX MCLK MDATA MLD BLKCK PWMSEL SMCK SBCK STAT NRST SPPOL PMCK DQSY TXTD TXTCK NTEST OUT X2 IN X1 DVSS1 DVDD1 MON DRVDD D0 D1 NWE NRAS D2 D3 NCAS0 A10(NCAS1) A8 A7 DVSS2 IC702 MN6627931BD SERVO PROCESSOR DIGIT

22、AL SIGNAL PROCESSOR/ DIGITAL FILTER/ D/A CONVERTER A6 A5 A4 A9 A0 A1 A2 A3 TRVP 64 57811121314151617181920 A8 A7 A6 A5 A4 A9 A0 A1 A2 A3 A10 D0 D1 WE RAS D2 D3 CAS SA-AK510 45 CIRCUITO PRINCIPAL / TUNER DIAGRAMA ESQUEMTICO-3 C147 1000P JK101 Z101 RLA2Z007-T IC102 LC72131MDTRM PLL FREQUENCY SYNTHESIZ

23、ER IC101 LA1833NMNTLM FM/AM IF AMP DET/AM OSC MIX/ FM MPX CF201 RLFFETWND01M X103RSXC7M20S05T D101 B0BC5R000009 Q106 Q106 KRA102MTA TUNER 15V SUPPLY SWITCH R134470 R1351K R1361K R1371K Q101Q101 2SC2058SPTA FM IF AMP +7.5V SD DO/ST 15V TGND PLLCLK DO/ST PLLDA LCH CE RCH DO/ST CE PLLDA PLLCLK DO/ST SD

24、 C103 0.01 C104 1000P R104 1K R106 470K R107 330 R101 0 R105 470 CF202 RLFFETWND01M C101 0.01 C102 16V10 R103 270 TUNER PACK Z120 (RAL0029) C107 0.047 R110 1K R112 100K C108 8P C136 1000P R114 5.6K R152 0 C110 0.01 TO MAIN CIRCUIT (2B) ON SCHEMATIC DIAGRAM-8 R138 3.3K R130 10K C134 27P C133 27P C112

25、 0.01 R115 560 R116 1K C111 50V4.7 R113 10K C125 16V22 C132 1000P C130 6.3V100 R151 82 C113 1000P R119 3.3K R111 390 R128 82 R117 47K R118 3.3K C127 16V22 Z102 G2BAE0000003 C126 1 C106 0.01 C114 50V3.3 C109 1000P C115 50V4.7 C116 0.033 R120 47K R143 22K C138 0.01 R123 68K C120 16V10 R121 22K R102 4.

26、7K C139 50V4.7 C119 680P C131 150P C137 3300 C118 0.01 C117 0.01 C142 50V1 R142 6.8K C141 50V1 R141 6.8K R126 1K R125 470 R129 27K R127 470 C124 100P R132 10K C148 0.01 R124 33 X102 RLFDFT22DD C122 50V1 R122 2.7K C121 50V0.47 R131 120 R144 120 R133 1K C129 6.3V100 C149 0.1 C123 50V1 R145 100K C143 6

27、800 C144 6800 R146 100K TO MAIN CIRCUIT (2A) ON SCHEMATIC DIAGRAM-8 1A 1B 1 2 3 4 DET_OUT 8 1000P 7 1 3 4 2 5 6 100K 5.6P 1000P 100K 390 1.2u 2.2P 180P 680K 3.3P 18P 0.47u 100K2.7K 220 390 3.3P 4.7P 560K 390 680K 2.2P 5.6P 2SK544F-AC RF AMP 2SC2786MTA FM MIXER 2SC2787FL1TA BUFFER AMP LOCAL OSC D S G

28、 C128 0.18 STRQ SDC LW AIN PD AOUT VDD FMIN AMIN IFIN MONO FM AM CE DI CL DO VSS XOUTXIN 1234 17181920 5 16 6 15 7 14 8 13 9 12 10 11 IC101 PILOT OUT MPX IN PILOT IN DET OUTST AM OUT RCH LCHMONO FM/AM OSC AFC AM RF IN AGC AM MIX OUT REG AM IF IN GND SD FM DET VCC STRQ OSC OUT FM IF IN 1234 21222324

29、5 20 6 19 7 18 8 17 9 16 10 15 11 14 12 13 AM LOOP ANT AM EXT ANT 75 OHM FM EXT ANT GND 2 13 2 13 1 2 3 4 5 6 789 AM ANT COIL AM OSC COIL 3 2 1 56 4 : +B SIGNAL LINE : FM/AM SIGNAL LINE : FM SIGNAL LINE : FM OSC SIGNAL LINE : AM SIGNAL LINE : AM OSC SIGNAL LINE SA-AK510 46 CIRCUITO PRINCIPAL DIAGRAM

30、A ESQUEMTICO-4 14 13 12 11 10 2 4 6 8 9 7 5 3 1 CN309 BOTTOMSW PLUNGER POSITION 5V DGND PGND OPEN CLAMP CHG_CCW CHG_HALF CHG_CW TO (CN1) ON SCHEMATIC DIAGRAM-17 CHG_CW CHG_HLF CHG_CCW VREF+ CHG_AD1 TO DECK CIRCUIT SCHEMATIC DIAGRAM-13 CHG_AD2 CHG_SW1 CHG_SW2 CN304 Q308 KTA12710YTA CURRENT CONTROL SW

31、ITCH Q310 KRA110MTA CD ON/OFF SUPPLY SWITCH Q309 KTC3199GRTA VOLTAGE STABILISER CD3.3V : +B SIGNAL LINE : MAIN SIGNAL LINE : AUX SIGNAL LINE: PLAYBACK SIGNAL LINE : RECORD SIGNAL LINE R343 10K R395 47K R396 47K R340 10K R34422K R34512K SW5VR348 R346 R347 220 22K 12K CD8V CHG_PLR Q323 MOT10V C326 0.4

32、7 Q324 Q323 KRC102STA PLUNGER MOTOR SUPPLY CONTROL SWITCH R350 10K R349 1K Q324 KTA12710YTA CD MOTOR SUPPLY SWITCH 10 11 12 13 14 1 2 4 6 8 9 7 5 3 CR02 MOTOR BP1 DECK1_H DMT MO GND MO+B REC_H +B RECINR RECINL AFGND PBR PBL MOT10V REC +15V REC_R REC_L PBR PBL JK300 RCH AUX LCH R201 10K AUXR R202 3.3

33、K C202 100P C201 680 L305 J0JBC0000019 R401 10K R402 3.3K C402 100P C401 680 AUXL C410 0.22 C442 0.22 DGND MOT10V PGND DECK1_H DMT V_JOG_A SW5V +9.0V -9.0V Q405 C433 0.033 C432 0.027 HI_L C434 50V1 R444 0 R440 10K R441 82K Q205 R242 5.6K C234 50V1 R240 10K R241 82K HI_R C233 0.033 C232 0.027 CN303 Q

34、205, Q405 KTC3875GRTA HPF FREQ AMP SWITCH R244 0 CD8V R324 12 R323 15 C321 0.01 R325 10K Q308 D307 D308 Q309 R327 2.2K R329 330 C320 10V33 R328 3.9K R326 100 Q310 CD3.3V SW5V /CD SW5V V_JOG_A V_JOG_BV_JOG_B EX1_CLK EX1_DAT DECK2 SSEQ_LED SW_LED MTR BP1 KEY3 KEY2 KEY1 FL2A FL1A -VPA EX1_CLK EX1_DAT D

35、ECK2 SSEQ_LED SW_LED KEY3 KEY2 KEY1 FL2A FL1A -VPA C435 50V1 R246 0 R443 10K R880 0 R867 3.3K C848 16V10 R838 0 R879 3.9K R876 3.9K C844 16V10 R243 10K C235 50V1 R863 1.5K R868 0 MOT10V R442 5.6K CD8V CD_SW1 CD_SW2 R823 0 D309 RL1N4003N02 C86650V1 1513246897117163145121110 C840 100P R839 8.2K C845 0

36、.068 C849 0.015 R847 330K C842 100P C847 0.22 R848 3.9K C843 47 OUT1-IN1+IN1VEE OUT2 VCC+IN2-IN2 1234 5678 IC840 C863 16V10 C846 0.01 R840 100K Q840 Q841 R843 5.6K Q843 R845 1.8K Q845 R844 1K R846 1K SW_LV1 SW_LV2 R862 2.2K R849 100K C864 50V100 R864 220 LO TO PANEL CIRCUIT (CP601) ON SCHEMATIC DIAG

37、RAM-11 Q840 KTA1504GRTA SWITCHING Q841 KTC3875GRTA SWITCHING Q843,Q845,Q863 KTD1304TA AUDIO MUTING Q863 : -B SIGNAL LINE D307-D308 B0ACCK000005 IC840 C0ABBB000067 DUAL OP AMP SA-AK510 47 IC302 C1BB00000086 SPECTRUM ANALYSER CIRCUITO PRINCIPAL DIAGRAMA ESQUEMTICO-5 IC301 C0AABB000117 HEADPHONE AMP TO

38、TRANSFORMER CIRCUIT (H952/W952) ON SCHEMATIC DIAGRAM-16 VCC GNDOUT1 OUT2 -IN2+IN2 -IN1+IN1 1234 5678 IC301 R445 220 C429 50V1 R209 560 R409 560 R435 1.5K R235 1.5K R245 220 C229 50V1 R434 100K R234 100K R428 2.2K C427 16V10 R208 3.3K R408 3.3K R203 1 R403 1 R405 33 R407 33 R404 33 R406 33 C403 1000P

39、 R228 2.2K C227 16V10 R205 33 R207 33 R204 33 R206 33 C203 1000P C440 1000P C240 0.01 C426 47 C309 10 R309 27K -9.0V R310 56K MUTE_A Q203Q403 Q402 Q202 Q301 Q301 KRA102STA AUDIO MUTING CONTROL SWITCH Q202, Q402 KTD1304TA MUTING SWITCH Q203, Q403 KTD1304TA HEADPHONE MUTING SWITCH Q401 KTC3875GRTA AGC

40、 CONTROL Q401 R430 1K C428 16V10 R431 100K D401 MA2J72800L R433 4.7K R432 2.2K R427 82K R426 3.3K C425 100P C226 47 C225 100P C424 50V1 C224 50V1 R226 3.3K R230 1K C228 16V10 R231 100K D201 MA2J72800L R233 4.7K R232 2.2K R227 82K Q201 Q201 KTC3875GRTA AGC CONTROL R229 12K R429 12K C313 0.01 C312 0.0

41、1 C423 100P C223 100P R424 4.7K R224 4.7K C222 0.056 C422 0.056 R425 47K R225 47K +9.0V R456 1.5K R256 1.5K R455 100K R255 100K Q407Q207 R423 2.7K R223 2.7K C421 16V10 C221 16V10 Q207, Q407 KTD1304TA MUTING SWITCH : MAIN SIGNAL LINE R448 4.7 R248 4.7 BIASC 1234 15161718 5 14 6 13 7 12 8 11 9 10 VREF

42、C RREFC NC NCNC NC DIFOUT CIN AIN VCCA B C SEL TEST AOUT GND IC302 : +B SIGNAL LINE HP_R HP_L : -B SIGNAL LINE SP_C SP_B SP_A DVREF+ SPEA SPE_IN C342 C341 C340 0.01 100P 100P R320 R321 R322 100 100 100 C314 0.01 50V0.1 50V0.1 100K 50V0.1 50V0.1 0.1 C315 C316 R313 C317 C318 C319 +15V SYNC PCONT SYS6V

43、 FL1A -VPA FL2A GND SW5V +9.0V -9.0V MOT10V LED9V /DCDET +15V SYNC PCONT SYS6V FL1A -VPA FL2A SW5V +9.0V -9.0V MOT10V LED9V /DCDET CN306 CD8V D907 RL1N4003N02 D908 RL1N4003N02 6897101215 14345131211 R818 2.2K R878 0 -9.0V SA-AK510 48 DIAGRAMA ESQUEMTICO - 6 REC1 DATA VCC OUT1 TBI1 REF IN REF OUT IN

44、A1 IN D1 1N C1 IN B1 IC300 REC2 SUR1 SUR2 IN A2 IN B2 IN C2 IN D2 OUT2 CLOCK GND MIC IN VCUT TBO1 TMI1 TMO1 TT1 TOUT1 TOUT2 TT2 TMO2 TMI2 TBI2 TBO2 : +B SIGNAL LINE : CD SIGNAL LINE : MAIN SIGNAL LINE : FM/AM SIGNAL LINE : AUX SIGNAL LINE : PLAYBACK SIGNAL LINE : RECORD SIGNAL LINE IC300 C1BB0000074

45、7 AUDIO SOUND PROCESSOR R410 82 CDL C3106.3V100 C3116.3V100 C40616V10 16V10 16V10 16V10 C407 C408 C409 50V1C304 R3056.8K C20616V10 16V10 16V10 16V10 C207 C208 C209 CDR R210 82 R411 R211 C404 C204 PBL PBR R414 1K R214 1K R415 R215 C405 C205 C21216V1016V10 C412 SPEA R218 R418 R304 A_VOLIN1 B_VOLIN1 BB

46、_A1 BB_B1BB_B2 BB_A2 BVOLIN2 A_VOLIN2 AUXR AUXL REF 16V10C411 C41350V0.47 50V0.47C414 R419 1.5K R213 47K R413 47K R420 3.9K C4150.15 0.15C416 C4171800P C418 16V10 C2190.47 C4200.47 R422820 C305 16V220 ASP_DAT ASP_CLK R308 2.2K R307 2.2K C308 100P C307 120P R222 820 R421 56K R221 56K C220 0.47 0.47 REF C21816V10 R220 3.9K C2150.15 0.15C216 C2171800P C21116V10 R219 1.5K C213 50V0.47 C214 50V0.47 C419 Q406 KTC3875GRTA VOLTAGE REGULATOR C303 1000P CN310 Q406 CD3.3V REC_R REC_L R416 R216 R217 R417 CD7.5V R311 0 C867 0.1 R831 0 56K 10K 56K 220