Technics ST HD 501 Schematics
User Manual: Technics-ST-HD-501-Schematics
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SCHEMATIC DIAGRAM 1 A TUNER CIRCUIT :POSITIVE VOLTAGE LINE :FM SIGNAL LINE :AM SIGNAL LINE :FM OSC SIGNAL LINE :AM OSC SIGNAL LINE Z120 FM FRONT END (RAL0035) 2SC2620 2SK238 FM MIXER 4P 0.022 10K 10K 1.5M 2SC2996 BUFFER AMP 8 AM ANT EXT L102 0.68uH A LOOP L101 0.68uH Z101 6 1 5 2 4 3 A Ca A 6 1 5 2 4 3 C R112 100K C107 0.047 AM OSC L103 0.47uH C108 8.2P AM ANT R110 1K B C136 1000P D R111 390 C125 16V22 A X103 (7.2MHz) C112 0.01 B R117 68K C130 6.3V100 C132 1000P C113 1000P D101 MA4051MTA R115 C111 560 25V4.7 R113 10K C133 27P C134 27P C110 0.01 R114 5.6K R128 82 R129 27K C C124 100P R116 1K D 6 1.2V 8 R133 1K 4.6V 87.5MHz 0.9V 108MHz F 522kHz 1629kHz F B R134 1K R135 1K R136 1K R137 1K A AM 1.6V MONO IF IN 0V (14.8V) R132 10K F V 8.1V 10 0V E R130 10K FM 9 3.7V (4.2V) R138 10K V FM 7 3.7V (0V) STRQ AM 5 0V SDC 4 0V LW 3 0V DO 2 2.6V CL CE 1 DI X IN 2.1V P P F=7.2MHz PLL FREQUENCY SYNTHESIZER AM IN IC102 LC72131MDTLM F=7.2MHz FM/AM FM IN PD Vss 1.9V P P A IN 19 A OUT 20 X OUT 2.6V FM/AM VDD (3.8V) (0V) (2.5V) (0V) 2.9V 0.9V 0.9V 5.2V 2.5V 0V 4.1V 0V 18 17 16 15 14 13 12 11 C D C102 16V100 0.022 15P 2P 1.2K 33P 47P 8P 18P 3P 100K BUFFER AMP 150 C101 0.01 470K 2SC2996 6 330 0.022 10K 220 330 FM OSC 8P 2.7K 1P R103 100 2SK360 0.022 220P 100 18P 100K 2 3 4 5 22P 4P 15P 33K 0.47uH 1 33K 1P 22P FM ANT (75ohm) 7 33K 8P JK101 100K 7P 8P 1uH 22 16V100 RF AMP SCHEMATIC DIAGRAM 2 :POSITIVE VOLTAGE LINE :FM SIGNAL LINE R104 10K R107 330 (0V) 12V 3 (0V) 12V (0V) 0.7V 2 Q102 2SC2787LTA FM IF AMP FM IF AMP Q106 UN4111TA POWER SUPPLY (FM:ON) (0V) 14.8V 14.7V C138 0.01 2 C117 0.018 Lch Rch C122 50V1 R122 2.7K R127 470 A 1.9V MONO FM/AM STRQ 11 0V R124 270 R141 1K 13 12 3.7V (1.1V) 3.9V (3.5V) R139 3.3K (1.9V) 3V C147 1000P 6 R125 1.5K C148 0.01 3 10 5.2V (5.7V) 3 2 R126 1.5K 4 1 9 3.4V (4.1V) X102 C106 0.01 Z102 1 8 0V (4.7V) 1.9V 14 C121 50V0.47 7 0V C141 50V1 C123 50V1 2.1V 15 Vcc 6 FM DET 5 2.1V ST SD 4 2.1V GND AM IF IN 3 5.2V (5.7V) C126 0.047 C127 16V22 R119 6.8K REG AM MIX OUT FM IF IN 2 2.1V 0.12V P P C118 0.018 4700P C137 2.1V 16 FM 1 10K R123 68K 100P C131 2.1V 17 R142 1K B PILOT OUT AGC 18 MPX IN AM RF IN (0.3V) 3.2V 19 DET OUT 20 0V (14.8V) C142 50V1 PILOT IN 25V4.7 C119 (2.1V) 0V 1.7V 21 AFC 2.2V 22 OSC 2.2V 23 AM OUT (5.7V) 5.2V 24 OSC OUT (4.2V) 3.7V 47K C C115 C109 1000P C114 50V3.3 R118 3.3K B R120 FM/AM IF AMP, DET/AM OSC,MIX/FM MPX R102 C139 4.7K 4700P 390P IC101 LA1833MN TLM 14.8V R121 22K C116 0.033 R143 22K C120 16V10 10K Q101 2SC2787LTA C144 4700P 2 C105 1000P C143 4700P R105 470 (0V) 0.7V CF202 1 R146 100K C104 1000P 3 R108 470K R145 100K C103 0.01 R106 470K CF201 A D :AM OSC SIGNAL LINE R109 330 1 FM +B LINE :AM SIGNAL LINE Q110 2SC3311ARSTA SWITCHING 1.6V (1V) 7.3V C149 0.1 7.3V D F C E B A A C D B B A A B CN102B 7 6 5 4 3 2 1 To E CONNECTOR CIRCUIT (CN102A) on SCHEMATIC DIAGURAM 4 CN101B 7 6 5 4 3 2 1 +B(2) SD NC STEYE VT +B(1) T.GND B R140 4.7K A CL DO DI Lch OUT CE Rch OUT DET + C129 6.3V100 R131 68 To E CONNECTOR CIRCUIT (CN101A) on SCHEMATIC DIAGURAM 4 SCHEMATIC DIAGRAM 3 B FL CIRCUIT :POSITIVE VOLTAGE LINE :NEGATIVE VOLTAGE LINE FL701 (RSL0273 F) FL DISPLAY 1 3 6 7 8 9 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 43 44 45 46 47 48 49 50 51 52 53 54 57 59 B C D E F A A B C D E F G H I C781 50V1 C782 50V1 B J K L M N O P Q R S T U V W X R782 100K R781 100K 1 A 2 3 4 5 6 4.9V Q702 2SD1819ATX FL DRIVE R783 R784 R785 R786 R733 100 22.2V R734 100K C712 0.1 C713 50V10 22.2V C 24.6V 2 3 4 5 6 7 8 9 10 100K 100K 100K 100K A B C D E F G H I A B C D E F G H I J K L M N O P 1 J K L M N O P Q R Q R S T U V W X A B C D 22.2V 22.2V 22.2V 22.2V 22.2V 22.2V 22.3V 5.9V 5.9V 5.9V 5.9V 11.2V 7.7V 20.4V 18.7V 0V 22.2V 4.7V 13.2V 9.4V 18.5V 18.5V 24V 15V 9.3V 11.3V 9.5V 13.1V 16.6V 11.2V 4.7V D711,713,714 MA111TX 1K 1K 1K R742 1K 4V 0V 4V 0V 24V T 24V T 7.2ms. 7.2ms. IC701 M30218MAA103 5V 0V T 5V 0V FL DRIVE / SYSTEM CONTROL 27ms. T 36ms. 5V 5V 0V 0V T T 27ms. D711 D713 D714 P24/ FLD36 P25/FLD37 P26/FLD38 P27/FLD39 P30/FLD40 P31/FLD41 P32/FLD42 P33/FLD43 P34/FLD44 P35/FLD45 P36/FLD46 P37/FLD47 P40/FLD48 P41/FLD49 P42/FLD50 P43/FLD51 P44/TXD0 P45/RXD0 P46/CXL0 P47/ CST0 RST0 27ms. 1.4V P P F=10MHz 50 49 48 47 46 45 44 43 42 41 40 39 38 37 36 35 34 33 32 31 20.3V 16.7V 22.3V 14.7V 9.2V 20.3V 18.5V 20.2V 14.8V 13V 9.4V 5.6V 9.4V 15V 0V 0.3V 0V 0.6V 0V 0V E F G H I J K L M N O P Q R R727 R726 R725 R724 330 330 100 1K 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 L701 C711 0.1 R751 10K R723 1K R722 1K F G 10K 0ohm R704 H G F E D C B A R702 R752 R753 R754 R755 R756 R757 R758 R759 1K 1K 1K 1K 1K 1K 100 100 C706 0.1 I P67/FLD7 P66/FLD6 P65/FLD5 P64/FLD4 P63/FLD3 P62/FLD2 P61/FLD1 P60/FLD0 VEE P107/AN7 P106/AN6 P105/AN5 P104/AN4 P103/AN3 P102/AN2 P101/AN1 AVSS P100/AN0 VREF AVCC 4.7V 4.5V 0V 4.2V 4.1V 4.6V 1.4V 3.5V 0V 2.2V 2.4V 4.7V 2.4V 0V 2.2V 4.7V 3.8V 4.7V 0V 4.8V 0V 0V 0V 0V 0V 0V 0V 0V 0V 0V C715 C717 C718 C716 100 0.1 0.01 0.01 0.1 R739 R740 R741 0V 0V 0V 0V 0V 4.9V 4.9V 0V 1.1V 4.9V 4.8V 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 R721 15K R750 R746 R747 R748 R749 22.2V 24.6V R738 L K J 22.2V 22.2V 22.2V 22.2V 22.2V 22.2V P97/CLKOUT P96/DA1/SCLK22 P95/SCLK21 P94/SOUT2 P93/SIN2 P92/SSTB2 P91/SBUSY2 P90/SRDY2 CNVSS P87/XCIN P86/XCOUT /RESET XOUT VSS XIN VCC P85/INT5 P84/INT4 P83/INT3 P82/INT2 P81/INT1 P80/INT0 P77/TA4IN/TA2OUT/CLKS1 P76/TA3IN/TA1OUT/CLK1 P75/TA2IN/TA0OUT/RXD1 P74/TA1IN/YA4OUT/TXD1 P73/TA0IN/TA3OUT P72/TB2IN P71/TB1IN P70/TB0IN 10K 10K 10K 10K 10K A F E D C B P50/ FLD8 P51/FLD9 P52/FLD10 P53/FLD11 P54/FLD12 P55/FLD13 P56/FLD14 P57/FLD15 P00/FLD16 P01/FLD17 P02/FLD18 P03/FLD19 P04/FLD20 P05/FLD21 P06/FLD22 VSS P07/FLD23 VCC P10/FLD24 P11/FLD25 P12/FLD26 P13/FLD27 P14/FLD28 P15/FLD29 P16/FLD30 P17/FLD31 P20/FLD32 P21/FLD33 P22/FLD34 P23/ FLD35 80 79 78 77 76 75 74 73 72 71 70 69 68 67 66 65 64 63 62 61 60 59 58 57 56 55 54 53 52 51 4.8V 4.9V Q701 UN5214TX 4.7V 10K 47K 0V RESET 0V D701 2 C705 0.1 1K X701 (10MHz) R701 C792 6.3V100 C707 6.3V1000 C703 20P B C702 18P A R708 820K 3 C709 16V10 1 C710 0.01 X702 (32KHz) R703 D705 100K MA111TX R710 1K C704 50V2.2 D701 MA111TX SCHEMATIC DIAGRAM 4 TERMINAL D IN/OUT CIRCUIT C OPERATION CIRCUIT Z601 RCDGP1U26XD (REMOTE SENSOR) JK201 R206 1K CN105B R603 3.3K R604 2.2K R605 1.8K R606 1.5K R607 1.2K R608 1K OUT O V G 3 2 1 R609 820 R205 1K C205 100P R602 4.7K R207 100K R601 6.8K 7 6 5 4 3 2 1 C206 100P R208 100K Rch C204 100P R204 100K C202 100P S610 PLAY) ( R202 1K JK201 Rch C601 0.01 S609 REC) EXT / MD L L ( S608 (CLOCK/ TIMER/ DEMO) R201 1K C203 100P TUNE/ TIME ADJUST R203 100K IN C201 100P S607 (SET) S606 ( ) S605 ( ) S604 (TUNE MODE) S603 (AUTO/MONO) C B A S602 (RDS DISPLAY MODE) S601 (FM/AM) Lch Lch CN703B C209 1000P 5 4 3 2 1 5 4 3 2 1 A C B CN703A 4.9V A B :POSITIVE VOLTAGE LINE :NEGATIVE VOLTAGE LINE :FM SIGNAL LINE :AM SIGNAL LINE C B A CN701B L702 L703 L704 1 2 3 4 5 6 7 8 9 10 11 12 13 14 L707 R728 1K A B C D E F G R760 1K R729 1K A B C D E D706 1SS380TE 17 R730 10K L706 E CONNECTOR CIRCUIT CN103B CN102A R709 1K CN702B D704 1SS380TE 17 C708 0.01 D703 1SS380TE 17 R706 1K A B C D E F G H I J K L 1 2 3 4 5 6 7 8 9 10 11 12 13 14 To A TUNER CIRCUIT (CN102B) on SCHEMATIC DIAGURAM-2 CL DO DI Lch IN CE Rch IN DET 7 6 5 4 3 2 1 To A TUNER CIRCUIT (CN101B) on SCHEMATIC DIAGURAM-2 +B(2 ) SD NC STEYE VT +B(1) T.GND 7 6 5 4 3 2 1 7 6 5 4 3 2 1 CN101A CN104B 7.3V 14.8V C471 0.047 C472 0.047 7 6 5 4 3 2 1 SCHEMATIC DIAGRAM 5 F MAIN CIRCUIT :POSITIVE VOLTAGE LINE :NEGATIVE VOLTAGE LINE :FM SIGNAL LINE :AM SIGNAL LINE 10K 0V 0V 0V 0V 0V 0V 0V Y W a C332 330P C330 16V10 0.01 3300P C328 330P C338 C334 0.047 0.01 C342 C336 0.033 0.047 GEQ OUT2 VOL IN2 VOL OUT2 BP OUT K IN2 K OUT2 MIC IN TAPE REC2 MD REC2 EXT OUT2 DPL2 BB2 BUF IN2 BUF NF2 BUF OUT2 AVDD DGND LATCH DATA CLK DVDD PORT B PORT A BUF OUT1 BUF NF1 BUF IN BB1 GRAPHIC EQUALIZER IC302 M62433AFP DIGITAL SOUND CONTROLLER GRAPHIC EQUALIZER 40 39 38 37 36 35 34 33 32 31 30 29 28 27 26 25 0V 0V 0V C323 1000P CN701A 1 2 3 4 5 6 7 8 9 10 11 12 13 14 C327 330P C329 16V10 C331 330P 0.01 3300P 0.047 0.01 C341 C335 C337 C333 0.033 0.047 0V 0V 0V 0V 0V 0V 0V 0V 0V 0V 0V 0V 0V 0.22 D491 MA4043MTA R492 150 C493 35V47 R491 150 C345 C339 C492 100P C343 0V 0V 0V 0V 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 C491 100P K M L 5.6V A B F E P Q J C D C411 16V100 D403 MA4082LTA INTERFACE CN104A 1 2 3 4 5 6 7 0V R546 10K R544 22K R550 10K 0.6V 0V B D541 D542 0.1V 10K Q543 DTC143XSTP R541 47K R406 1K C410 0.01 A R407 220 4.7K 4.2V 0.2V R545 10K 0V 1.8V 8V B 9.4V D541,542 MA165TA R543 4.7K 7.3V R405 1/4W10 R542 4.7K R551 R552 REGULATOR R547 10K R548 330 1K 1K Q403 2SC3940AQSTA R549 10K C A D TP307 0V Q541 2SC3311ATA Q542 2SC3311ATA INTERFACE INTERFACE TP306 POWER SUPPLY 15V A B C D TP1 R408 1K H E 15V C415 0.01 14.8V R493 10K G D492 MA4051MTA F Q407 2SC3311ATA S R N O C Z G I H B CN702A 1 2 3 4 5 6 7 8 9 10 11 12 13 14 C541 50V3.3 C413 25V100 CN103A 1 2 3 4 5 6 7 R332 4.7K C322 470P 0V 0V 0V 7.2V 0V 0V 0V 0V 5V 6.8V R329 4.7K 10K D BP IN CD TUNER MD Rch TAPA AUX H AUX L AVSS AGND AUX L AUX H TAPE Lch MD TUNER CD DEL IN C324 1000P C325 16V10 C 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 GEQ OUT1 VOL IN1 VOL OUT1 D T A B C D E F U A R341 1K B 0V 0V 0V 0V 0V 0V 0V 7.2V PS IN PS+IN K IN1 K OUT1 TAPE REC1 MD REC1 EXT OUT1 DPL1 R336 R340 R339 R335 b V X A R344 R330 4.7K 64 63 62 61 60 59 58 57 56 55 54 53 52 51 50 49 48 47 46 45 44 43 42 41 R342 1K R343 C326 16V10 0V 0V 0V 0V 0V 0V 0V 0V 0V 0V 0V 0V 0V 0V C344 A B E F 0V 0V 0V 3.3K 22K 22K 3.3K 100K 10K 10K 100K R334 R338 R337 R333 C346 C340 0.22 1 2 3 4 5 6 7 C351 0.1 7.2V CN105A R331 4.7K C321 470P SCHEMATIC DIAGRAM 6 :POSITIVE VOLTAGE LINE :NEGATIVE VOLTAGE LINE :FM SIGNAL LINE :AM SIGNAL LINE R321 1M C308 0.01 C318 0.1 7.2V 7.2V C312 16V10 R320 3.3K C310 16V10 C306 1000P R310 0ohm C304 33P R308 10K R306 47K R304 470 C302 16V10 R302 470 R314 1K A 7.2V 4 MUTING CONT. 0.1 R326 C311 16V10 10K R316 22K Q302 Q301 R317 1K 0.7V R319 3.3K 5 R309 0ohm MUTING 3 0V 2 1 BUFFER AMP 0V Q301,302 2SC3311ATA 0V IC301 M5218AFPE3 R315 22K 1.5V 0V 10K D301 MA4051MTA C314 1.5V R318 1K 0.7V R313 1K 47P 47P 47P R323 1K R322 100K C317 C316 C315 R324 2.2K C313 16V10 R325 1K 0V C309 16V10 6 7 0V 0V C305 1000P C303 33P R307 10K 8 0V 7.2V C307 0.01 Q303 UN4115TA R305 47K R303 470 C301 16V10 R301 470 B C F G E 5.6V Q405 DTB123YSTP POWER SUPPLY D404 MA185TA 5.5V 5.6V R409 1K 10K 2.2K 5V R411 1K 3.2V Q406 DTC114ESTP POWER SUPPLY CONT. 0V 10K 2.9V R410 1K 10K 0V C414 6.3V100 C508 330P C506 0.01 R509 100 C507 6.3V100 L502 10uH C509 16V10 C505 560P R507 100 1V P P C504 47P F=4.332MHz 19 18 17 16 15 14 13 0V 5V F=4.332MHz 2.5V H C A B D C501 6.3V100 R505 3.3K C503 47P L501 10uH C502 0.01 R504 1K R503 1K R502 1K R501 1K IC501 LC72722PMTLM RDS DECORDER 1.4V P P R530 47K 20 0V X501 (4.332MHz) X OUT 21 0V XIN 22 0V VDDD 23 0V VSSD 24 0V T6 12 T7 11 T1 10 SYNC 9 CIN 8 RDSID 7 DO 6 CL 5 DI 4 CE 3 SYR 2 T5 2.6V 1 T4 0V T3 0V T2 2.4V FLOUT 2.4V VSSA 0V VDDA 5V MPX IN 2.4V VREF 2.4V SCHEMATIC DIAGRAM 7 H MAIN CIRCUIT Q401 2SD2137PQTA C401 25V100 C484 0.047 R482 100 D402 MA4075HTA C402 25V100 C404 0.01 C406 10V47 C483 0.047 R404 1K 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 TP304 5.6V Lch OUT A.GND Rch OUT MUTE POWER +B(13V ) LED CNT CT D.GND B( 13V) +B(15V) +B(10V) KEY SE JOG A JOG B +B(5.6V) B( 30V) FL1 FL2 SYNC To AMPLIFIER POWER SUPPLY CIRCUIT +B(13V) CD REQ M.GND CS +B(10V) D.GND SCLK DATA TAPE REQ SYNC Rch IN Lch IN NC Rch OUT Lch OUT Rch IN A.GND Lch IN CK SPD To CD PLAYER MAIN CIRCUIT/ CASSETTE DECK MAIN CIRCUIT TP310 TP308 R402 1/4W4.7 TP309 JK402 REGULATOR 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 N O P Q R S T U V W X R354 R353 R346 2.2K 2.2K 1K R345 1K E301 C360 C359 C362 C361 R364 R363 R359 R360 10K 10K 100P 100P 100P 100P 10K 10K 100P 100P 100P 100P 100P 100P 10K 10K 10uH R350 R349 L542 2.7K 2.7K C356 C355 C358 C357 C354 C353 R356 R355 10uH 10K 10K 8.2K 8.2K Y Z L541 R347 R348 R351 R352 R361 4.7K a R362 4.7K b R357 1K A R358 1K D482 MA719TA D481 MA719TA R481 100 D C481 1 C408 16V100 C482 0.1 Q402 2SB1417PQTA C A B 15V E F G H I J K L M C409 0.01 16.8V TP303 (D.GND) TP305 7.2V (CT) TP302 B C D483 MA719TA D484 MA719TA 7.8V (A.GND) JK401 C403 0.01 R403 1K C405 10V47 D401 MA4075HTA C407 16V100 :AM SIGNAL LINE R401 1/4W4.7 15.4V 7.8V :FM SIGNAL LINE :POSITIVE VOLTAGE LINE TP311 REGULATOR 7.2V :NEGATIVE VOLTAGE LINE A 1 C B A D ELECTRICAL PARTS LOCATION AM ANT Ref. No. (LOOP) (EXT) L102 L101 2 JK101 J J 1 Z101 3 2 1 J C105 R106 R107 R109 J J J R126 R125 C127 R108 Q106 E C B R131 C129 13 15 J J J R102 C118 J C139 C113 10 20 C117 C131 C119 C116 C137 R143 C120 R123 C142 C141 R122 C121 R145 C143 C138 R141 R142 R146 C144 C122 C114 J J R119 J C115 R121 R139 J R137 R136 R135 R134 R117 R138 R130 24 J R132 R129 C124 L103 J C130 IC101 J 11 1 2 3 CF202 R120 C149 C106 X102 C126 J R124 J J 12 10 5 1 R127 J IC102 X103 R118 C123 8 5 J C109 1 2 3 C136 7 J 1 R133 CN101B 1 2 3 4 5 6 7 J R115 Z102 3 6 C148 2 1 4 J 3 2 1 R105 6 R128 C132 C133 20 15 5 4 5 6 R112 C103 R104 R110 J R103 C101 C102 J R111 R114 R113 A Ca A C108 Q101 B C E C104 B C J Q102 E C147 CF201 D101 C134 4 5 6 C107 5 J C110 C125 J 4 R116 C112 C111 3 2 1 J J 2 Z120 (FM FRONT END) 3 4 F TUNER P.C.B. FM ANT (75ohm) 3 E CN102B 1 2 3 4 5 6 7 B C E Q110 J R140 (REP2592C-T) 6 Ref. No. Lo. No. IC101 IC102 Q101 Q102 Q106 Q110 D101 L101 L102 L103 Z101 Z102 Z120 CF201 CF202 X102 X103 CN101B CN102B JK101 R102 R103 R104 R105 R106 R107 R108 R109 R110 R111 R112 R113 R114 R115 R116 R117 R118 R119 R120 R121 R122 R123 R124 R125 R126 R127 R128 R129 R130 R131 R132 R133 R134 R135 4C 5B 3C 3C 3D 5C 4B 2C 2C 4B 2C 4C 3B 3C 4D 4C 5B 3D 5D 2C 5C 3C 3C 4B 3C 3C 3C 3C 3B 3B 3C 3B 3B 4B 4B 5B 4D 4D 5D 5C 5B 5C 4C 3C 3C 4C 4B 4B 5B 3D 4C 5B 5B 5B R136 R137 R138 R139 R140 R141 R142 R143 R145 R146 C101 C102 C103 C104 C105 C106 C107 C108 C109 C110 C111 C112 C113 C114 C115 C116 C117 C118 C119 C120 C121 C122 C123 C124 C125 C126 C127 C129 C130 C131 C132 C133 C134 C136 C137 C138 C139 C141 C142 C143 C144 C147 C148 C149 5B 5B 5B 5C 5C 5C 5C 5C 5C 5C 3C 3C 3C 3C 3C 4C 3C 3C 4D 3B 4B 4B 5C 4D 5C 5C 5C 5C 4C 5C 5C 5B 4C 4B 3B 4C 3C 3C 4B 4C 4B 4B 5B 4D 5C 5C 5C 5C 5C 5C 5C 3C 4C 4C D IN/OUT TERMINAL P.C.B. IN/OUT TERMINAL P.C.B. C204 R203 CN105B 7 6 5 4 3 2 1 (REP2768C-M) R201 (OUT) L EXT/ MD R J C201 C203 8 R E E J 7 CN105B JK201 R201 R202 R203 R204 R205 R206 R207 JK201 J R206 C206 J R208 C205 R207 R205 R202 R204 C202 C209 D Lo. No. A TUNER P.C.B. (IN) L 8B 7C 8C 7C 8B 7B 7C 7C 7B R208 C201 C202 C203 C204 C205 C206 C209 7B 7C 7C 7B 7B 7C 7C 7C A C B D E F 1 ELECTRICAL PARTS LOCATION B C FL P.C.B. OPERATION P.C.B. CN703A 50 J R728 J R725 R724 1 2 3 S608 (CLOCK/ TIMER/ DEMO) J C707 D705 R708 C709 S607 (SET) R709 R703 1 R781 C704 2 D704 X701 3 45 R701 C708 44 4 1 L701 43 5 D701 2 J 42 6 B C Q701 41 31 3 30 E 40 R782 35 25 C706 39 40 38 20 37 45 15 R702 36 50 35 10 34 5 33 X702 1 32 IC701 31 51 30 29 55 28 60 100 27 26 65 95 25 70 90 24 23 75 85 C716 22 81 80 21 20 C715 19 18 17 16 15 14 13 12 R742 11 10 J 9 8 7 6 R747 1 2 R748 3 3 4 R758 5 1 6 J R756 7 R755 8 R751 R754 9 R753 10 R752 11 B C 12 E 13 Q702 14 C712 CN702B C713 48 TUNE/ TIME ADJUST S605 ( ) R604 C711 S604 (TUNE MODE) R603 R759 R706 R757 R750 S603 (AUTO/MONO) R602 R601 C782 S602 (RDS DISPLAY MODE) 7 S601 (FM/AM) (REP2816A-S) (REP2816A-S) 8 Ref. No. Lo. No. IC701 Q701 Q702 D701 D703 D704 D705 D706 D711 D713 D714 L701 L702 L703 L704 L706 L707 X701 X702 FL701 CN701B CN702B CN703A R701 R702 R703 R704 R706 R708 R709 R710 R721 R722 R723 R724 R725 R726 R727 R728 R729 R730 R733 R734 R738 R739 R740 R741 5B 4C 6A 4C 3B 4B 3B 3B 3B 3B 3B 4B 2B 2B 2B 4C 2B 4B 4C 3A 2B 6B 2B 4C 4B 4B 4B 6B 3B 4B 2B 3B 3B 3B 3B 3B 3B 3B 3B 3B 2B 6A 6A 6B 6B 6B 6B R742 R746 R747 R748 R749 R750 R751 R752 R753 R754 R755 R756 R757 R758 R759 R760 R781 R782 R783 R784 R785 R786 RJ701 RJ702 RJ703 RJ704 RJ705 C702 C703 C704 C705 C706 C707 C708 C709 C710 C711 C712 C713 C715 C716 C717 C718 C781 C782 C792 6B 6B 6B 6B 6B 6B 6B 6B 6B 6B 6B 6B 6B 6B 6B 4B 3B 4A 3A 3A 3A 3A 4B 4B 3A 3B 3B 4C 4B 4B 4B 4B 3B 4B 4B 2B 5B 6A 7A 5B 5B 6B 6B 2A 7A 2B C OPERATION P.C.B. R738 R734 6 C717 C718 R733 R746 R739 R740 R749 R741 J 5 S606 ( ) C702 R606 46 C705 R704 C703 47 4 52 2 L707 4 6 R727 8 10 R723 12 R722 14 RJ705 J R605 49 54 J 53 51 RJ703 57 D713 1 2 3 4 5 6 7 8 9 10 Z601 (SENSOR) 1 3 5 7 9 11 13 RJ702 RJ701 R760 L706 59 R726 RJ704 3 R721 S609 ( REC) CN701B D703 R784 R785 R783 R786 FL701 D706 R609 R710 C710 J C781 D711 D714 C601 J R607 R608 J J J L702 L704 L703 R730 R729 S610 ( PLAY) CN703B 1 2 3 4 5 C792 Lo. No. B FL P.C.B. 1 2 3 4 5 2 Ref. No. Z601 S601 S602 S603 S604 S605 S606 S607 S608 S609 S610 2D 7D 7D 6D 5D 5D 4D 4D 3D 2D 2D CN703B R601 R602 R603 R604 R605 R606 R607 R608 R609 C601 2D 7D 6D 6D 5D 4D 4D 3D 3D 2D 2D A F D E J C330 C328 C326 R330 R332 C322 C324 J C317 J C312 J R324 R329 C318 C315 C316 J R551 R313 R321 R322 R319 C313 B C E Q303 R323 C331 R317 R552 C335 R331 C321 C337 C339 J R326 25 C325 C323 R318 R314 C341 C336 C340 C334 30 20 D301 R325 C310 J 40 35 C314 15 C343 C338 C346 C342 C361 R363 C362 R362 R360 R359 R354 J J J C308 41 10 J J R357 R358 C355 R344 R343 45 IC302 1 24 B C E Q301 J C344 J J J J J J R530 C505 C508 J C506 J C507 L502 J J J J J J J R502 R503 R501 J C493 J J D491 C492 J CN701A 14 12 10 8 6 4 2 13 11 9 7 5 3 1 R492 R491 24 C491 20 R504 X501 C503 J J J J D492 R493 J J J 1 J 13 15 C502 R505 CN702A 14 12 10 8 6 4 2 13 11 9 7 5 3 1 5 IC501 C501 C504 C541 L501 J 12 10 C509 R507 R542 D541 R544 D542 R545 Q542 B C E R546 R550 J R541 R543 50 R342 R341 J J J J (TP1) J J J J 55 80 J 7 7 6 5 4 3 2 1 60 75 J B C E Q541 J J CN105A 64 65 70 C351 J J J Q543 R548 B R547 C R549 E C360 C332 J R348 R347 J C309 J C345 R316 7 6 5 4 3 2 1 J 5 Q302 B C E R320 R315 J J C406 C414 J R353 J J J J C305 R309 C306 CN104A J R410 B C E Q406 J J J J R308 J J R340 R336 R307 4 J J R346 R345 C304 R306 R310 1 R333 R337 J R338 R334 R335 R339 J C303 R305 R303 IC301 R304 C407 5 D404 R411 R404 C404 8 J C408 D401 C405 Q402 E C B D402 R403 C403 C401 C409 C402 R402 R409 6 R405 J C415 R408 R406 R407 C410 D403 C411 C413 J R301 C301 B C E Q403 R401 5 Q407 B C E C307 J R302 C302 J B C E Q405 R481 C482 J J J Q401 E C B J CN103A J J 4 D482 C359 J J C327 J R355 J J J J J D483 J 3 R356 C357 7 6 5 4 3 2 1 J 1 R364 J J 2 3 C329 E301 4 5 C358 C484 J D484 C353 6 7 C333 J R482 19 17 15 13 11 9 JK402 C354 C481 JK401 C483 J L541 R349 R350 R351 R352 R361 18 16 14 12 10 8 1 2 C311 3 4 C356 5 6 D481 7 8 R509 20 18 16 14 12 10 To CD PLAYER MAIN P.C.B./ CASSETTE DECK MAIN P.C.B. TP307 J J J J 19 17 15 13 11 9 2 TP311 (A.GND) TP302 To AMPLIFIER POWER SUPPLY P.C.B. L542 (D.GND) TP304 J (CT) TP303 TP306 TP309 8 F MAIN P.C.B. J 1 C B (REP2768C-M) TP310 TP308 TP305 G I H E J K L CONNECTOR P.C.B. 1 2 3 4 5 6 7 1 2 3 4 56 7 CN104B CN103B J C472 C471 1 2 3 4 5 6 7 1 2 3 4 5 6 7 CN101A CN102A (REP2768C-M) ELECTRICAL PARTS LOCATION Ref. No. Lo. No. Ref. No. Lo. No. Ref. No. Lo. No. Ref. No. Lo. No. Ref. No. Lo. No. Ref. No. Lo. No. JK402 E301 (TP1) TP302 TP303 TP304 TP305 TP306 TP307 TP308 TP309 TP310 TP311 R301 R302 R303 R304 R305 R306 R307 R308 R309 R310 R313 R314 R315 R316 R317 R318 R319 R320 R321 R322 R323 R324 R325 R326 R329 R330 2C 3C 6A 2B 3B 3A 8B 3A 3A 6B 3A 6A 3B 4B 4A 4C 4C 4C 4C 4C 5C 4C 4C 5D 5D 5C 5C 5C 5C 5D 5C 5D 5D 5D 5E 5F 5E 5E 5F R331 R332 R333 R334 R335 R336 R337 R338 R339 R340 R341 R342 R343 R344 R345 R346 R347 R348 R349 R350 R351 R352 R353 R354 R355 R356 R357 R358 R359 R360 R361 R362 R363 R364 R401 R402 R403 R404 R405 5E 5F 3E 3E 3D 3D 3E 3E 3D 3D 4D 4D 4D 4D 4C 4C 4D 4D 2D 2D 2D 2D 3D 3E 3C 2C 3E 3E 3E 3E 2E 3E 2E 3E 4A 5A 4A 5A 4B R406 R407 R408 R409 R410 R411 R481 R482 R491 R492 R493 R501 R502 R503 R504 R505 R507 R509 R530 R541 R542 R543 R544 R545 R546 R547 R548 R549 R550 R551 R552 C301 C302 C303 C304 C305 C306 C307 C308 4B 4B 4B 6A 6B 6A 3D 2B 7F 7F 7B 7D 7D 7D 7D 7C 7C 6C 6F 7B 7B 7B 7B 7B 7B 6B 6B 6B 7C 6D 6D 4B 4A 4C 4C 4C 4C 4C 4C C309 C310 C311 C312 C313 C314 C315 C316 C317 C318 C321 C322 C323 C324 C325 C326 C327 C328 C329 C330 C331 C332 C333 C334 C335 C336 C337 C338 C339 C340 C341 C342 C343 C344 C345 C346 C351 C353 C354 4C 4C 5D 5F 5D 5E 5E 5E 5E 4E 5E 5F 5E 5F 5E 4F 5E 4F 5E 4F 5E 4E 5E 4E 5D 4F 5D 4F 5D 3F 5D 3F 5D 3F 5D 3F 4D 2C 2C C355 C356 C357 C358 C359 C360 C361 C362 C401 C402 C403 C404 C405 C406 C407 C408 C409 C410 C411 C413 C414 C415 C481 C482 C483 C484 C491 C492 C493 C501 C502 C503 C504 C505 C506 C507 C508 C509 C541 2D 2D 3C 2C 2E 2E 2E 3E 5A 5A 4A 5A 5A 5B 4B 5B 5A 4B 4B 4B 6B 4B 3D 3D 2B 2B 7F 7F 7F 7C 7C 7C 7C 6D 6D 6C 6D 7D 7A 3J CN103B 2J CN104B 2H C471 2H C472 2H F MAIN P.C.B. IC301 IC302 IC501 Q301 Q302 Q303 Q401 Q402 Q403 Q405 Q406 Q407 Q541 Q542 Q543 D301 D401 D402 D403 D404 D481 D482 D483 D484 D491 D492 D541 D542 L501 L502 L541 L542 X501 CN103A CN104A CN105A CN701A CN702A JK401 4C 4E 7D 5C 5C 5D 4B 5B 4B 6A 6B 4B 7B 7B 6B 5F 5B 5B 4B 6A 3D 3D 3B 3B 7F 7B 7B 7B 7C 6C 2B 2C 7C 3C 5C 3E 8F 8B 2B E CONNECTOR P.C.B. CN101A 3H CN102A
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