Panasonic-SAAK410LBS-cs-sm 电路图 维修手册.pdf

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1、Manual de Servio CD Stereo System SA-AK410LB-S Tape: RD-JMD051-Z CD: RD-DAC024-Z (Mecanismo s/ Unid. ptica) RD-DAU057-PM (Unid. ptica montada c/ PCI do Servo) RAF0150A-4S (somente Unid. ptica) ? Especificaes Tcnicas 2003 Panasonic da Amaznia S/A DIVISO CS Setor de Apoio Tcnico ? AMPLIFICADOR Potncia

2、 de sada: RMS (THD 10%, 6) . BI-AMP Total 220 W High (10 kHz) 55 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 ante

3、na . FM - 75 AM - Antena LOOP Relgio . AM/PM - 12 h ? TOCA FITAS 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 1

4、4 kHz (+3, -6dB) Relao sinal/rudo . 50dB (balanceado) Wow QZZCWAT. 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 sa

5、da mostrado abaixo: Objetivo do ajuste: 2940 3060 Hz (Velocidade 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 seleciona

6、ndo “AUX”. 2. Insira a fita cassete “virgem” (QZZCRA) no Deck 2 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 Digit

7、al Fig. 1 Freqencmetro Digital 12.1.2. VERIFICAR A TENSO DE BIAS 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 pad

8、res. 4. Insira a fita de cromo (CrO2) (QZZCRX). 5. Repita os passos 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.

9、 Conecte o instrumento conforme ilustrado na Fig.1. 2. Posicione 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-AK410 40 12.2.2 AJUSTE DE RF DE AM 1. Conecte o instrumento como ilustrado na Fig.3. 2. Posicion

10、e a unidade para o modo AM. 3. Ajuste o AM-SG para 520Khz. 4. Receba 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 5

11、20 kHz na unidade. 11. Ajuste Z101 (osc) para que o valor a ser 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-AK410 41 13.DIAGRAMA ESQUEMTICO SA-AK410 42 : CD-D

12、A SIGNAL LINE IC703 AN8739SBTE2 FOCUS COIL/ TRACKING COIL/ TRAVERSE MOTOR/ SPINDLE MOTOR DRIVE R701 4.7 C C C C C CN701 Q701 Q701 B1ADCF000001 LASER POWER DRIVE 3837 3536 2930 GND GND LASER DIODE 11 12 10 6 8 5 4 9 2 3 F- T+ T- LPD VREF NA NB GND LD GND LD PDE PDF VCC C701 6.3V33 R750 5.6 C714 6.3V1

13、00 C713 0.1 C750 0.1 C751 0.1 C702 0.1 IC701 AN8885SBE1 SERVO AMP TEN FEN FEOUT FBAL TBAL TEOUT CEA RF LPD LD RFIN PDF PDE PDB PDA VREF ENV OFTR /RFDET GND LDON BDO VCC CSBRT DEFLVL PDOWN GCTL EQSQ C706 2700P C707 0.027 C704 0.1 C703 6.3V100 C712 0.01 C711 0.01 R708 1K R707 1K C749 2200P R744 120K C

14、747 180P R706 1K R704 1K R702 10K R705 150K C710 120P C742 0.027 M701 TRV MOTOR C736 0.1 M702 SP MOTOR C737 0.1 R731 22K R728 15K R749 22K C739 0.01 R729 1.5K C738 0.047 R723 5.6K C752 0.01 R727 1.5K R735 100 C735 0.1 C734 10V220 R736 10 F+ C770 0.1 R715 2.7K R725 560 C715 0.22 DIAGRAMA EQUEMTICO-1

15、CIRCUITO SERVO DO CD CIRCUITO DA PICKUP PTICA : +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 GND VCC AIN BIN VREF NAOUT GND NBOUT1 2 3 45 6 7 8 1234 23242526 5 22 6 21 7 20 8 19 9 18 10 17 11 16 12 15 1314 2728 IC703 VCC NC NC RSTIN IN3 IN4 VREF NC

16、 /RST GND GND PVCC2 PGND2 D4+ D4- D3+ D3- PGND1 PVCC1 NC D2+ D2- D1+ D1- IN1 NC PC2 NC IN2 NC 3456 242526 812 27282321 9 20 10 19 11 18 1213 17 14 16152922 730 SA-AK410 43 (CN310) ON TIC DIAGRAM-5 : CD-DA SIGNAL LINE CN702 15 RESET SW 1 /RST STAT BLKCK MLD MDATA MCLK P.GND +7.5V TX LD SW D.GND +3.3V

17、 RCH OUT A.GND 16 S701 RESET SW C743 0.1 C716 1000P IC702 MN6627911AC SERVO PROCESSOR DIGITAL SIGNAL PROCESSOR/ DIGITAL FILTER/ D/A CONVERTER TO MAIN CIRCUIT SCHEMA C729 0.1 R711 82K C717 0.1 C744 0.022 R709 22K R712 560C718 0.12 C741 1000P C755 0.1 C756 50V4.7 C758 16V0.1 C757 4.7 IC705 C0CBAAC0011

18、2 1.8V REGULATOR C740 0.1 R717 1K LCH OUT C727 50V1 24 C753 470P R718 1K C728 50V1 22 C725 1000P C726 1000P R721 100 C731 6.3V220 C730 0.1 25 C724 0.1 C723 6.3V220 R760 100 R753 10 L702 L704 L703 C722 12P C721 12P X701 RSXB16M9J02T R714 220 R720 1M C780 0.1 C782 0.1 C746 0.1 L702-L704 RLBV102V-Y C78

19、1 0.1 C733 0.1 C748 0.1 14 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 20 21 22 23 24 A3 A2 A1 A0 A9 A4 A5 A6 A7 A8 CAS D3 D2 RAS WE D1 D0 A4 A5 A6 A7 A8 CAS D3 D2 A3 A2 A1 A0 RAS WE D1 D0 A10 A9 A10 PWMSEL BLKCK MCLK MD

20、ATA MLD SMCK SBCK STAT NRST SPPOL PMCK DQSY TXTD TXTCK NTEST OUT X2 IN X1 DVSS1 DVDD1 MON D0 D1 NWE NRAS D3 NCAS0 A10 A8 A7 A6 A5 A4 A9 A0 A1 A2 A3 DVSS2 D2 DRVDD IREF FBAL TBAL TRVP TRVM(PC) TRP TRM FOP FOM FE TE OFT NRFDET BDO ARF DVDD2 IOVDD1 RFENV SPOUT LDON AVSS1 TX ADPVCC OUTL DSLF (DRF)RFSW P

21、LLF PLLFO AVDD2 AVSS2 AVDD1 DVSS3 TMOD2 EXT2 EXT1 IOVDD2 FLAG DVDD3 OUTR EXT0 1234567891011121314151617181920 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 64 61 62 63 68 65 66 67 72 69 70 71 73 74 75 76 77 78 79 80 1.8V OUTGN

22、D IN 3.3V IC705 12 3 1234 212223 5 20 6 19 7 18 8 17 9 16 10 15 11 14 1213 242526 VCCD0D1WERASNCNCA10A0A1A2A3VCC VSSA4A5A6A7A9NCA8OECASD2D3VSS IC704 C3ABMB000027 16M DRAM 384FS BCLK SRDATA LRCK IPFLAG L701 RLBV102V-Y 226 3 SA-AK410 44 CIRCUITO PRINCIPAL/TUNER DIAGRAMA ESQUEMTICO-3 C147 1000P JK101 Z

23、101 RLA2Z007-T IC102 LC72131MDTRM PLL FREQUENCY SYNTHESIZER IC101 LA1833NMNTLM FM/AM IF AMP DET/AM OSC MIX/ FM MPX CF201 RLFFETWND01M X103 RSXC7M20S05T D101 B0BC5R000009 Q106 Q106 KRA102MTA TUNER 15V SUPPLY SWITCH R134470 R1351K R1361K R1371K Q101 Q101 2SC2058SPTA FM IF AMP +7.5V SD DO/ST 15V TGND P

24、LLCLK DO/ST PLLDA LCH CE RCH DO/ST CE PLLDA PLLCLK DO/ST SD C103 0.01 C104 1000P R104 1K R106 470K R107 330 R101 0 R105 470 C101 0.01 C102 16V10 R103 270 CIRCUITO TUNER PACK 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.

25、3K R130 10K C134 27P C133 27P C112 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 R1

26、23 68K C120 16V10 R121 22K R102 4.7K C139 50V4.7 C119 680P 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 68 R144 120 R133 1K C129 6.3V100 C149 0.1 C123 50V1 R14

27、5 100K C143 6800P C144 6800P R146 100K TO MAIN CIRCUIT (2A) ON SCHEMATIC DIAGRAM-8 1A 1B 1 2 3 4 CF202 RLFFETWND01M : +B SIGNAL LINE 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

28、 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 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 C137 C131 150P 3300P 1 2 3 4

29、5 ? ? 7 6 8 5.6P2SK544F-AC 100K 1000P 220 100K 180P 2.2P 1.2U 680K 3.3P 18P 2SC2786MTA 390 0.47U 1000P 390 680K5.6P 2SC2787FL1TA 2SC2787FL1TA 2.2P 390 560K 4.7P 2.2P 2.7K 100K : FM/AM SIGNAL LINE : FM SIGNAL LINE : FM OSC SIGNAL LINE : AM SIGNAL LINE : AM OSC SIGNAL LINE SA-AK410 45 CIRCUITO PRINCIP

30、AL DIAGRAMA ESQUEMTICO-4 14 13 12 11 10 2 4 6 8 9 7 5 3 1 CN309 BOTTOMSW PLUNGER POSITION 5V DGND CD_SW2 PGND CD_SW1 OPEN CLAMP CHG_CCW CD8V CHG_HALF CHG_CW TO CD LOADING CIRCUIT (CN1) ON SCHEMATIC DIAGRAM-11 CHG_CW CHG_HLF CHG_CCW CHG_SW1 CHG_SW2 VREF+ CHG_AD1 PGND TO PANEL CIRCUIT (CP601) ON SCHEM

31、ATIC DIAGRAM-10 TO DECK CIRCUIT (CN1001) ON SCHEMATIC DIAGRAM-14 CHG_AD2 1716151413121110246897531 CN304 Q308 KTA12710YTA CURRENT CONTROL SWITCH Q309 KTC3199GRTA VOLTAGE STABILISER CD3.3V Q310 KRA110MTA CD ON/OFF SUPPLY SWITCH : +B SIGNAL LINE : -B SIGNAL LINE : MAIN SIGNAL LINE: AUX SIGNAL LINE R34

32、3 10K R395 47K R396 47K R340 10K R34422K R34512K SW5V R348 R346 R347 220 22K 12K CD8V CHG_PLR Q323 MOT10V C326 0.47 D324 B0ACCK000005 Q324 Q323 KRC102STA PLUNGER MOTOR SUPPLY CONTROL SWITCH R350 10K R349 1K Q324 KTA12710YTA CD MOTOR SUPPLY SWITCH R324 12 R323 15 D309 RL1N4003N02 C321 0.01 R325 10K Q

33、308 CD8V 10 11 12 13 14 1 2 4 6 8 9 7 5 3 CR02 MOTOR BP1 DECK1_H DMT MOT+B REC_H +15V REC_R REC_L AGND PBR PBL MOT10V REC +15V REC_R REC_L PBR PBL JK300 RCH AUX LCH R201 10K AUXR R202 3.3K C202 100P C201 680 L305 J0JBC0000019 R401 10K R402 3.3K C402 100P C401 680 AUXL C410 0.22 C442 0.22 +9.0V R439

34、4.7K -9.0V Q404R437 18K R436 18K C430 0.015 R438 220K C431 820P Q204R237 18K R236 18K C230 0.015 R238 220K C231 820P C435 50V0.68 R443 2.7K LO_L R239 4.7K C235 50V0.68 R243 2.7K LO_R Q405 C433 8200P C432 8200P R442 5.6K HI_L C434 50V1 R444 1.8K R440 4.7K R441 12K Q205 R242 5.6K C234 50V1 R240 4.7K R

35、241 12K HI_R C233 8200P C232 8200P CN303 R445 220 SW5V /CD CD3.3V D307 D307-D308 B0ACCK000005 D308 Q309 R327 2.2K R329 330 C320 10V33 R328 3.9K R326 100 Q310 Q204, Q404 KTC3875GRTA LPF FREQ AMP SWITCH Q205, Q405 KTC3875GRTA HPF FREQ AMP SWITCH R244 1.8K /DMT DECK1_H /BP1 MTR SW5V SW5V V_JOG_AV_JOG_A

36、 V_JOG_BV_JOG_B EX1_CLKEX1_CLK EX1_DATEX1_DAT DECK2DECK2 SSEQ_LEDSSEQ_LED SW_LEDSW_LED KEY3KEY3 KEY2KEY2 KEY1KEY1 MOT10VMOT10V DGND PGND C306 50V1 C443 0.1 R823 0 MOGND SA-AK410 46 CIRCUITO PRINCIPAL DIAGRAMA ESQUEMTICO-5 IC301 C0AABB000117 HEADPHONE AMP TO PANEL CIRCUIT (CP602) ON SCHEMATIC DIAGRAM

37、-10 TO SERVO CIRCUIT (CN702) ON SCHEMATIC DIAGRAM-2 CN310 302928272625242322212019181716151413121110246897531 : +B SIGNAL LINE : CD SIGNAL LINE: MAIN SIGNAL LINE VCC GNDOUT1 OUT2 -IN2+IN2 -IN1+IN1 1234 5678 IC301 CN302 C429 50V1 R209 560 R409 560 R435 1.5K R235 1.5K R245 220 C229 50V1 R434 100K R234

38、 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 R228 2.2K C227 16V10 R205 33 R207 33 R204 33 R206 33 C203 1000P C440 1000P C240 0.01 C426 47P C309 10V10 R309 27K -9.0V R310 56K R818 2.2K MUTE_A Q203Q403 Q402 Q202 Q301 Q301 KRA102STA AUDIO MUTIN

39、G CONTROL SWITCH Q202, Q402 KTD1304TA MUTING SWITCH Q203, Q403 KTD1304TA HEADPHONE MUTING SWITCH Q401 KTC3875GRTA AGC CONTROL Q401 R430 1K C428 16V10 R431 100K D401 MA2J72800L R433 4.7K R432 2.2K R427 68K R426 3.3K C425 100P C226 47P C225 100P C424 50V1 C224 50V1 R226 3.3K R230 1K C228 16V10 R231 10

40、0K D201 MA2J72800L R233 4.7K R232 2.2K R227 68K Q201 Q201 KTC3875GRTA AGC CONTROL R229 12K R429 12K C313 0.01 C312 0.01 C423 100P C223 100P R424 4.7K R224 4.7K C222 0.047 C422 0.047 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 Q20

41、7, Q407 KTD1304TA MUTING SWITCH -9.0V HP_R HP_L R452 R453 4.7K R451 22K C437 0.15 C436 0.039 VCUT +9.0V Q406 Q406 KTC3875GRTA R448 4.7 R248 4.7 HP_R HP_R +9V+9V HP_GND LED9VLED9V HP_LHP_L MIC_GND MICMIC RMTRMT SYNC SYNC ECHO_LVL ECHO_MUTE ECHO_MUTE FL_DOUTFL_DOUT FL_CLKFL_CLK FL_CS2FL_CS2 FL_RESETFL

42、_RESET SYS6SYS6V VREF+ VREF+VREF+ PCONTPCONT DVREF DVREF+ DVREF MODE_1/MODE_1 HALF_1/HALF_1 PHOTO_2/PHOTO_2 PLG1/PLG1 PHOTO_1/PHOTO_1 PLG2/PLG2 MIC_GND FL_CS1FL_CS1 R820470 R38210K R38010K R36910K R36810K R365 1K R364 1K R3631K R362 1K R3661K R3611K R814 4.7K R8134.7K R8124.7K C398 1000P C360 0.1 L3

43、03G0C101JA0030 C39110V100 C395 50V10 RESTSW RESTSW CDL CD3.3V CDR CBLKCK CCDSTAT CDRST CD7.5V MCLK MDATA MLD 21242322 201918171615 1413121110246897531 /RST STAT BLKCLK MLD MDATA MCLK PGND TX +7.5V CDGND LO-SW D+3.3V RCH AGND LCH Q319 Q322 Q325 Q320 Q318 Q321 MTR BP1 REC /REC /BP1 /DMT DMT /MTR SW5V

44、OUT2 OUT1 LHPF RHPF : -B SIGNAL LINE KRA102STA Q321,Q325 SWITCH KRC102STA Q322 SUPPLY CONTROL SWITCH KRC102STA Q320 REC:ON/OFF CONTROL KRC102STA Q319 BP SWITCH KRC102STA Q318 DECK MUTING CONTROL SWITCH SWITCH 100 DILRCK DIDATA DISCK IPFLAG LRCK SRDATA BCLK 384FS C444 470 R464 0 SA-AK410 47 CIRCUITO

45、PRINCIPAL DIAGRAMA ESQUEMTICO-6 : +B SIGNAL LINE R82933K R828 R827 R826 C829100P C828100P C827100P C826 100P C337100P C335100P C334100P C333 100P C343100P R333100 R334 R335 R336 R3371K R3300 0 R8344.7K 43 44 45 46 47 48 49 50 42 41 40 39 38 37 36 35 34 33 32 31 3029282726 100 99 98 97 96 95 94 93 92

46、 91 90 89 88 87 86 85 81 82 83 84 25242322212019181716151413121110987654321 SP_C SP_B SP_A /DCDET PCONT EE_DAT EE_CLK EE_CS MUTE_A FL_RESET MLD MCLK CDSTAT MDATA FL_CS2 FL_CLK FL_CS1 FL_DOUT C380560P C386560P C385560P C384560P C383560P C382560P C381560P RESTSW CHG_HLF CHG_CW CHG_CCW CHG_SW1 CHG_SW2 CHG_PLR CHG_AD2 CHG_AD1 DECK2 KEY3 KEY2 KEY1 SPE_IN REG_1 VREF+ VCC 76 7778798064 63 6566676869707172737475515253545556575859606162 MODE_1 PHOTO_2 PHOTO_1 PLG1 PLG2 MTR REC DECK1_H NC Vcc NC Vss DMT BP1 V_JOG_B V_JOG_A SSEQ_LED NC HALF_1 EX1_CLK EX1_DAT R