Technics RS-EH760 Page 60 Service Manual Download

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OPERATION CIRCUIT

SCHEMATIC DIAGRAM- 3

A B C

W901B

W902B

IC151
LC72721NMTLM

RDS SIGNAL
DEMODULATOR

VR901

EVQVBXFK124B

(VOLUME)

R945

100

R943

100

R962

22K

R961

22K

C909

1000P

C917

0.01

C918

6.3V100

R946

Z901
RCDGP1U28XD

(REMOTE SENSOR)

X151

C156

47P

C157

47P

C154

560P

C158

6.3V47

L151

100 H

C152
330P

C151

16V10

R158

R151

R152

R154

100K

R153

100K

C155

1000P

C153

1000P

C160

1000P

C159

6.3V47

L152

100 H

R155

120

D151

MA4051MT

VREF

STDBY

MPX IN

FL OUT

C IN

PCL

X OUT

IDR

RDCL

RDDA

RDS- ID

X IN

COM

D907

MA165T

D956

SELS5923C

(TRI-AMPLIFIER)

R984

220

R923

22K

10K

4.7K

Q902
UN411FTA

MUTING CONT.

L153

: SOURCE SIGNAL LINE

: POSITIVE VOLTAGE LINE

: NEGATIVE VOLTAGE LINE

27.6V

7.2V

5.1V

5.2V

2.5V

2.6V

5.1V

2.4V

2.5V

5.1V

Summary of Contents for RS-EH760

Page 1: ...AD0004083C3 Tuner Amplifier SA EH760 Colour S Silver Type Areas GC Asia Latin America Middle Near East and Africa GN Oceania SPECIFICATIONS ...

Page 2: ... 100 350 mA For GN area Power supply voltage AC 240 V 50 Hz Consumed current 100 350 mA 2 Protection Circuitry The protection circuitry may have operated if either of the following conditions is noticed No sound is heard when the power is switched ON Sound stops during a performance The functions of this circuitry is to prevent circuitry damage if for example the positive and negative speaker conn...

Page 3: ...ower is first switched OFF and then ON again 3 Accessories AC power supply cord for GC area RJA0019 X 1 pc AC power supply cord for GN area RJA0035 X 1 pc AM loop antenna set RSA0022 J 1 pc FM indoor antenna RSA0006 J 1 pc Speaker cords REE0393 2 pcs REE0984 2 pcs REE0985 2 pcs 3 ...

Page 4: ...K EHA28WH 1 pc Remote control batteries R6 LR6 AA UM 3 2 pcs Note These are available on sales route Power plug adaptor for GC area only SJP5213 2 1 pc 4 Location of Controls 5 Operation Checks and Component Replacement Procedures 4 ...

Page 5: ...he main components For reassembly after operation checks or replacement reverse the respective procedures Special reassembly procedures are described only when required 5 1 Checking for the AC IN P C B Check the AC IN P C B as shown below 5 2 Checking for the operation P C B Follow the Step 1 Step 3 of item 5 1 5 ...

Page 6: ... Check the operation P C B as shown below 5 3 Checking for the main P C B Follow the Step 1 Step 3 of item 5 1 Follow the Step 1 Step 7 of item 5 2 6 ...

Page 7: ...7 ...

Page 8: ... Check the main P C B as shown below 8 ...

Page 9: ...nt for the regulator transistor Follow the Step 1 Step 3 of item 5 1 5 5 Replacement for the power IC Follow the Step 1 Step 3 of item 5 1 Follow the Step 1 Step 7 of item 5 2 Follow the Step 1 Step 12 of item 5 3 9 ...

Page 10: ...m connections refer to Fig 6 1 Fig 6 1 When the unit SA EH760 has to test and service alone use the following method to supply power source 1 Short the section between W902A Pin 3 and C740 GND Refer to Fig 6 2 2 Connect this unit to an AC power supply cord This unit come to stand by mode 3 Turn the unit ON Fig 6 2 10 ...

Page 11: ...ction which in the event of a malfunction automatically displays a code indicating the nature of the malfunction Use this self diagnostic function when servicing the unit 7 1 To display the malfunction code U70 CD U70 DECK Automatically displays on the tuner amplifier when a malfunction occurs Refer to Fig 7 1 F61 Automatically displays on the tuner amplifier when a malfunction occurs Refer to Fig...

Page 12: ...3 seconds and then the clock will be displayed To re display the code switch the power on F61 will be re displayed and then after 3 seconds the clock will be displayed and the power will automatically switch off 7 3 Display contents 7 3 1 U70 CD U70 DECK displayed automatically Problem or condition A bus line communications error has occurred as a result of the flat cables being inserted incorrect...

Page 13: ... Fig 7 2 Fig 7 3 2 Breakage of the flat cables Check and replace 3 If the problem is not corrected by items 1 and 2 above this indicates a faulty IC SA EH760 IC901 LC8A524A5N28 SL EH760 IC451 M38504M6200F RS EH760 IC701 M38503M2400F Check these ICs and replace 7 3 2 F61 Problem or condition When the power switch is switched on it automatically switches back off making it impossible to switch power...

Page 14: ...echnology Notes S701 Voltage selector switch VOLT ADJ GC area only S901 Power Standby on switch I S902 ECO mode switch MODE S903 Clock timer demo switch CLOCK TIMER DEMO S904 Play timer record timer switch PLAY REC S905 FM mode switch FM AUTO MONO S906 Tuning mode switch TUNING MODE S907 Set switch SET S908 Source input switch INPUT SELECTOR S909 6 ch discrete input switch 6 CH DISCRETE INPUT 14 ...

Page 15: ...sured by the DC electronic circuit tester high impedance with the chassis taken as standard Therefore there may exist some errors in the voltage values depending on the internal impedance of the DC circuit tester No mark Power ON FM or AM Important safety notice Components identified by mark have special characteristics important for safety Furthermore special parts which have purposes of fire ret...

Page 16: ...vented by taking care during repair Cover the parts boxes made of plastics with aluminum foil Ground the soldering iron Put a conductive mat on the work table Do not touch the legs of IC or LSI with the fingers directly Voltage and signal line Positive voltage line Negative voltage line AM signal line AM OSC signal line FM signal line 16 ...

Page 17: ...al line Center sp drive signal line Surround sp drive signal line Source signal line Mic signal line 10 Schematic Diagram 11 Printed Circuit Board Diagram 12 Wiring Connection Diagram 13 Terminal Function of ICs 17 ...

Page 18: ...ct signal input 12 RESET I Reset signal input 13 X IN I Oscillator connected terminal 32 7 kHz 14 X OUT O 15 VSS GND terminal 16 XC IN I Oscillator connected terminal 6 MHz 17 XC OUT O 18 VDD1 I Power supply terminal 19 KEY TU I Operation key signal input 20 KEY KARAOKE I Operation key signal input 21 SH REQ I Request signal input from Sound Processor 22 NC GND Not used connected to GND 23 VR JOGB...

Page 19: ...P31 P35 O Segment signal output 78 REGIN0 I Area select signal input 79 REGIN1 80STANDBY O LED STANDBY drive signal output 81 TIMER O LED TIMER drive signal output 82 S W LED O LED DIGITAL S WOOFER drive signal output 83 LOUNGE LED LOUNGE drive signal output Not used open 84 CHORUS LED CHORUS drive signal output Not used open 85 MUTE O Muting signal output 86 POWER O Power control signal output 87...

Page 20: ...tion detector signal input from tuner circuit 14 Block Diagram 15 Replacement Parts List Notes Important safety notice Components identified by mark have special characteristics important for safety Furthermore special parts which have purposes of fire retardant resistors high quality sound capacitors low noise resistors etc are used When replacing any of components be sure to use only manufacture...

Page 21: ...KA0106 N FOOT RING 4 9 RKF0606B K1 BACK GRILL 1 10 RKW0581 1V FL WINDOW 1 11 RMN0427 CABLE HOLDER 1 12 RYP0946A S FRONT PANEL ASS Y 1 12 1 RGB0025 A TECHNICS BADGE 1 13 SHG1654 RUBBER 4 14 XTB3 10JFZ SCREW 11 15 XTB3 8JFZ SCREW 10 16 XTW3 15T SCREW 2 17 XTBS3 8JFZ1 SCREW 2 18 RGW0178 1S KNOB MIC VOL 1 19 RMN0582 HOLDER 1 20 REM0057 FAN UNIT 1 GC 21 XTB3 20JFZ SCREW 1 22 XTB3 8FFZ SCREW 1 GC A1 RAK...

Page 22: ...A1HAK2R2XB 50V 2 2U 1 C552 ECBT1H103KB5 50V 0 01U 1 C553 RCE1HKAR47BG 50V 0 47U 1 GN C554 ECA1AAK221XH 10V 220U 1 C555 56 ECEA1CKN100B 16V 10U 2 GC C559 ECBT1C103NS5 16V 0 01U 1 GC C564 ECA1CAK100XB 16V 10U 1 C601 02 ECA1CAK100XB 16V 10U 2 C603 04 ECBT1H471KB5 50V 470P 2 C605 06 ECBT1H102KB5 50V 1000P 2 C607 08 ECBT1H471KB5 50V 470P 2 C609 10 ECBT1H560J5 50V 56P 2 C611 12 ECBT1H150JC5 50V 15P 2 C6...

Page 23: ...1 C753 ECKR1H103ZF5 50V 0 01U 1 C754 ECBT1H103KB5 50V 0 01U 1 C755 ECA1CAM102XB 1000U 1 C756 ECA1CAM102XB 16V 100U 1 GC C757 ECBT1H102KB5 50V 1000P 1 GC C758 ECBT1H103KB5 50V 0 01U 1 C759 RCE1AKA470BG 10V 47U 1 C761 ECQE1104KF3 100V 0 1U 1 C762 ECA1CAK220XB 16V 22U 1 GC C791 ECKWRS102MBC 1000P 1 C901 EEAFC0J101B 6 3V 100U 1 C902 RCE1AM102BV 10V 1000U 1 C903 04 ECBT1H103KB5 50V 0 01U 2 C905 ECBT1H1...

Page 24: ...7W004 1 CONNECTOR 4P 1 D201 MA4056M DIODE 1 D306 SELS5223C LED 1 D500 MA165 DIODE 1 D551 52 MA165 DIODE 2 D553 MA700 DIODE 1 GC D554 MA165 DIODE 1 GC D555 MA4100M DIODE 1 D558 MA165 DIODE 1 D563 MA165 DIODE 1 D581 83 RL1N4003N02 DIODE 3 GC D601 02 SB360L6508 DIODE 2 D607 1SS291TA DIODE 1 D613 14 MA165 DIODE 2 D657 59 MA165 DIODE 3 D701 04 1N5402BF DIODE 4 D705 RL1N4003N02 DIODE 1 D711 RL1N4003N02 ...

Page 25: ... SELS5923C LED 1 D956 SELS5923C LED 1 D961 MA4075M DIODE 1 D973 MA4030M DIODE 1 D974 MA165 DIODE 1 E601 02 SNE1004 2 GND PLATE 2 F1 XBA2C20TB0 FUSE 2A 1 GN F1 XBA2C40TB0 FUSE 4A 1 GC F2 XBA2C20TB0 FUSE 2A 1 GC FL901 RSL0298 F FL 1 IC201 BU4053BCFE2 IC 1 IC401 TA2011S IC 1 IC601 RSN311W64A IC 1 IC901 LC8A524A5N28 IC 1 JK551 SJT3213 CONNECTOR FAN MOTOR 1 GC JK601 02 RJH5603 1J SP TERMINAL 6P 2 JK603...

Page 26: ...2SD2144STA TRANSISTOR 1 GC Q554 2SA1995RSTA TRANSISTOR 1 Q555 2SD2144STA TRANSISTOR 1 Q556 2SC5398RSTA TRANSISTOR 1 GC Q557 2SA1995RSTA TRANSISTOR 1 GC Q558 UN4211 TRANSISTOR 1 Q601 02 2SC5398RSTA TRANSISTOR 2 Q605 08 2SD2144STA TRANSISTOR 4 Q617 18 2SD2144STA TRANSISTOR 2 Q701 2SD2374PQAU TRANSISTOR 1 Q702 2SB1548PQAU TRANSISTOR 1 Q703 2SD2137PQTA TRANSISTOR 1 Q704 2SD2137PQTA TRANSISTOR 1 GC Q70...

Page 27: ...4W 1K 1 GN R551 ERDS2FJ183 1 4W 18K 1 R552 ERDS2FJ473 1 4W 47K 1 R553 54 ERDS2FJ562 1 4W 5 6K 2 GN R555 ERDS2FJ223 1 4W 22K 1 R556 ERDS2FJ104 1 4W 100K 1 R557 ERDS2FJ103 1 4W 10K 1 R558 ERDS2FJ222 1 4W 2 2K 1 R559 ERDS2FJ472 1 4W 4 7K 1 R560 ERDS2FJ104 1 4W 100K 1 GC R561 ERDS2FJ104 1 4W 100K 1 R563 64 ERDS2FJ272 1 4W 2 7K 2 R566 ERDS2FJ683 1 4W 68K 1 GC R567 ERG1SJ220 1W 22 1 GC R568 ERDS2FJ101 1...

Page 28: ...7 ERDS2FJ392 1 4W 3 9K 1 R668 ERDS2FJ473 1 4W 47K 1 R669 70 ERDS1FJ470 47 2 R672 ERDS2FJ473 1 4W 47K 1 R675 ERDS2FJ392 1 4W 3 9K 1 R683 86 ERDS2FJ102 1 4W 1K 4 R687 88 ERDS2FJ152 1 4W 1 5K 2 R691 ERDS1FJ151 150 1 R702 ERDS2FJ273 1 4W 27K 1 R703 05 ERG1SJ222 1W 2 2K 3 R707 ERD2FCJ4R7 4 7 1 R708 ERDS2FJ472 1 4W 4 7K 1 R712 ERDS2FJ222 1 4W 2 2K 1 GN R712 ERDS2FJ472 1 4W 4 7K 1 GC R719 ERDS2FJ332 1 4W...

Page 29: ...0 1 R902 ERDS2FJ102 1 4W 1K 1 R903 ERDS2FJ122 1 4W 1 2K 1 R904 ERDS2FJ152 1 4W 1 5K 1 R905 ERDS2FJ182 1 4W 1 8K 1 R906 ERDS2FJ222 1 4W 2 2K 1 R907 ERDS2FJ332 1 4W 3 3K 1 R908 ERDS2FJ472 1 4W 4 7K 1 R909 ERDS2FJ182 1 4W 1 8K 1 R910 ERDS2FJ222 1 4W 2 2K 1 R911 ERDS2FJ332 1 4W 3 3K 1 R912 ERDS2FJ472 1 4W 4 7K 1 R913 ERDS2FJ821 1 4W 820 1 R914 ERDS2FJ102 1 4W 1K 1 R915 ERDS2FJ122 1 4W 1 2K 1 R916 ERDS...

Page 30: ...R944 ERDS2FJ222 1 4W 2 2K 1 30 ...

Page 31: ... 2 7K 1 R975 ERDS2FJ154 1 4W 150K 1 R976 ERDS2FJ104 1 4W 100K 1 R984 ERDS2FJ391 1 4W 390 1 R986 ERDS2FJ152 1 4W 1 5K 1 R987 88 ERDS2FJ102 1 4W 1K 2 R990 ERDS2FJ104 1 4W 100K 1 R991 ERDS2FJ473 1 4W 47K 1 R993 ERDS2FJ104 1 4W 100K 1 R995 ERDS2FJ221 1 4W 220 1 R996 97 ERDS2FJ151 1 4W 150 2 RL602 RSY0050 0 RELAY 1 RL605 RSY0050 0 RELAY 1 RL701 RSY0030M 0 RELAY 1 RL702 RSY0040M 0 RELAY 1 S701 RSR4B008S...

Page 32: ...16 Cabinet Parts Location 17 Packaging 32 ...

Page 33: ...F000400000YM KH 33 ...

Page 34: ...W721 12 1 CP601 8 1 CP602 4 1 CP603 SPEAKERS C POWER SUPPLY P C B W701B 1 10 T702 Power transformer D AC IN P C B W1 W2 W3 1 4 CN603 1 8 CN602 1 12 CN601 AC IN CENTER SURROUND SPEAKERS E POWER TRANSFORMER A P C B 1 4 W722 1 10 T701 Power transformer W721 W3 W2 W1 For E EG areas For EB area F POWER TRANSFORMER B P C B 1 11 CP101 Z120 TUNER UNIT BROWN BLUE ...

Page 35: ...S TUNING MODE SET KARAOKE ECHO INPUT SELECTOR TUNER BAND DIGITAL S WOOFER VOLUME UP DOWN FM AUTO MONO 6CH DISCRETE INPUT œPLAY œREC CLOCK TIMER DEMO 5 67 8 9 3 4 1 2 A A B l _ r 1 m o p q z y 9 t s n u v w x H AV EFFECT SLEEP CH SELECT PROGRAM 1 2 3 4 5 6 7 8 9 0 j CANCEL DISC VCR AUX 6CH INPUT TAPE DECK 1 2 UPRO LOGIC DIGITAL S WOOFER SUPER SURROUND TUNER BAND g MUTING M N VOLUME µ CD TEST 3D AI ...

Page 36: ...REO SWITCH 17 FM AM I F AMP DET AM OSC MIX FM MPX LA1833MN 15 PILOT CANCEL PHASE DET 16 VCO FF FF PILOT DET FF AM DET DECODER BO1 6 IO2 12 19 Vss Power ON RESET PLL FREQUENCY SYNTHESIZER LC72131M B2 GND 5 7 ST MONO FM AM SD FMDET FM IF IN AM OSC OUT AFC AM OSC AM RF IN AGC AM OUT DET OUT PILOT IN MPX IN PILOT OUT Lch 14 Rch 17 18 AIN AOUT AM ANT COIL AM OSC COIL AM ANT B2 STRQ AM IF IN AM MIX OUT ...

Page 37: ... GND CE REQ CLK SH FL2 20 SYNC B6 Rch Rch B3 To SOUND PROCESSOR BLOCK DIAGRAM LC72 CE LC72 DO ST LC72 CK DATA1 CLK1 DATA IN CE1 3 4 5 LC72 DI 2 LC8A524A5N28 IC901 SYSTEM CONTROL FL DRIVE Rch 94 SH CS 97 SH CK 95 96 SH DO SH DI SYNC 100 SD 21 SH REQ SW CONT 12 X0 X1 14 A B C 11 10 9 G 8 2 13 BU4053BCFE2 IC201 SIGNAL SELECTOR 1 15 Y1 Y0 VDD 16 B5 VSS 7 B3 9 SEL TUNER SD ...

Page 38: ... PLAY REC D306 DET 28 RDS DATA RDS CLK 27 CLOCK RECOVERY 1187 5Hz RDDA RDCL PCL RDS ID IDR RDS ID DETECT 57kHz BPF SCF PLL 57kHz VREF CIN FLOUT VREF VDD Vss MPX IN T1 T2 T3 T4 TEST XOUT XIN STDBY OSC DIVIDER CLK 4 332MHz 10 11 20 14 19 8 7 2 4 12 3 13 B2 1 5 6 16 17 9 15 18 X151 REGIN1 16 17 X901 6MHz XC IN XC OUT 13 14 X902 32 7kHz X IN X OUT CRT TIMER D903 99 ANTIALIASING FILTER SMOOTHING FILTER...

Page 39: ...6 3 20 15 19 18 26 25 23 24 RSN311W64A IC601 POWER AMP B3 D601 B1 D602 B2 Q601 602 9 B8 Q551 554 555 13 POWER 98 E DET HP SW 26 AC IN AC IN 86 87 ECO ECO POWER POWER 11 B7 1 CHECK TP 14 N Q503 558 B4 51 VP VP 85 MUTE D906 SWITCH ING D974 SWITCH ING D907 22 8 11 12 HIGH 6 MID 6 RLY602 RLY605 LOW 8 Q617 Q618 6 RL1 7 RL2 MUTING CONT Q911 Q912 Q902 961 VP MUTING MUTE2 SIGNAL LEVEL DET RELAY DRIVE RELA...

Page 40: ...717 720 B6 D705 VP FL1 FL2 FL DISPLAY FL901 Q708 B3 POWER SYNC ECHO Q726 B7 B9 B10 D902 D901 AC IN D956 TRI AMPLIFIER D746 REGULATOR REGULATOR REGULATOR REGULATOR SWITCH ING SWITCH ING REGULATOR REGULATOR REGULATOR RELAY DRIVE RELAY DRIVE B11 B11 B7 NOTES SIGNAL LINE FM SIGNAL AM SIGNAL FM OSC SIGNAL AM OSC SIGNAL SOURCE SIGNAL CENTER SP DRIVE SIGNAL SURROUND SP DRIVE SIGNAL indicates pin No Right...

Page 41: ... 20 D151 D954 Q912 E C B Q911 E C B JK903 PHONES 8 1 2 7 4 3 5 W905 TP OPERATION P C B A REP2964A M DIGITAL S WOOFER S911 TUNING S910 TUNING S901 D306 ELECTRICAL PARTS LOCATION OPERATION P C B A Ref No Lo No Ref No Lo No Ref No Lo No IC151 IC901 Q901 Q902 Q911 Q912 Q961 D151 D306 D901 D902 D903 D904 D905 D906 D907 D915 D933 D934 D951 D954 D956 D961 D973 D974 VR901 L151 L152 L153 L901 L902 Z901 X15...

Page 42: ...C611 C609 C616 C612 C617 C618 C648 C605 C606 C610 C604 C603 C649 C620 C632 C650 C707 C714 C731 C741 C761 B C E Q707 1 5 8 910 15 16 IC201 C554 C551 C553 C721 C660 C622 C659 C601 C602 C735 1 2 3 4 5 6 7 8 9 10 11 CP101 R203 R204 R211 R229 R561 D757 D555 D551 D558 D736 D753 D749 D756 D658 D563 D715 D718 D717 D755 D761 D705 D754 D613 D614 D719 D720 D552 E C B Q555 E C B Q554 E C B Q558 E C B Q708 E C...

Page 43: ...RL602 RL605 R559 R561 R563 R564 R570 R571 R572 R591 R597 R598 R601 R602 R603 R604 R605 R606 R607 R608 R609 R610 R611 R612 R614 R615 R617 R618 R619 R620 R621 R622 R623 R624 R626 R688 R691 R702 R703 R704 R705 R707 R708 R712 R719 R721 R722 R727 R729 R738 R739 R763 R764 R766 R767 R776 R797 C201 C202 C550 C551 C552 C553 C554 C564 C601 C602 C603 C649 C650 C659 C660 C666 C701 C702 C703 C704 C705 C706 C70...

Page 44: ...P C B E CN712 CN713 CN711 W3 W2 W1 J J J J J J 1 2 3 4 5 6 7 8 9 10 1 2 3 4 T701 Power transformer REP2964A M REP2966A M E EG REP2966B M EB J ELECTRICAL PARTS LOCATION POWER TRANSFORMER A P C B E Ref No Lo No Ref No Lo No POWER TRANSFORMER B P C B F SPEAKER TERMINAL P C B D Q726 Q791 D500 D711 D740 D741 D742 D743 D744 D745 D746 D747 L701 T702 Z701 F1 RL702 CN601 CN602 CN603 JK603 JK701 FC1 W1 W2 W...

Page 45: ... 20 D151 D954 Q912 E C B Q911 E C B JK903 PHONES 8 1 2 7 4 3 5 W905 TP OPERATION P C B A REP2964A M DIGITAL S WOOFER S911 TUNING S910 TUNING S901 D306 ELECTRICAL PARTS LOCATION OPERATION P C B A Ref No Lo No Ref No Lo No Ref No Lo No IC151 IC901 Q901 Q902 Q911 Q912 Q961 D151 D306 D901 D902 D903 D904 D905 D906 D907 D915 D933 D934 D951 D954 D956 D961 D973 D974 VR901 L151 L152 L153 L901 L902 Z901 X15...

Page 46: ...C611 C609 C616 C612 C617 C618 C648 C605 C606 C610 C604 C603 C649 C620 C632 C650 C707 C714 C731 C741 C761 B C E Q707 1 5 8 910 15 16 IC201 C554 C551 C553 C721 C660 C622 C659 C601 C602 C735 1 2 3 4 5 6 7 8 9 10 11 CP101 R203 R204 R211 R229 R561 D757 D555 D551 D558 D736 D753 D749 D756 D658 D563 D715 D718 D717 D755 D761 D705 D754 D613 D614 D719 D720 D552 E C B Q555 E C B Q554 E C B Q558 E C B Q708 E C...

Page 47: ...RL602 RL605 R559 R561 R563 R564 R570 R571 R572 R591 R597 R598 R601 R602 R603 R604 R605 R606 R607 R608 R609 R610 R611 R612 R614 R615 R617 R618 R619 R620 R621 R622 R623 R624 R626 R688 R691 R702 R703 R704 R705 R707 R708 R712 R719 R721 R722 R727 R729 R738 R739 R763 R764 R766 R767 R776 R797 C201 C202 C550 C551 C552 C553 C554 C564 C601 C602 C603 C649 C650 C659 C660 C666 C701 C702 C703 C704 C705 C706 C70...

Page 48: ...P C B E CN712 CN713 CN711 W3 W2 W1 J J J J J J 1 2 3 4 5 6 7 8 9 10 1 2 3 4 T701 Power transformer REP2964A M REP2966A M E EG REP2966B M EB J ELECTRICAL PARTS LOCATION POWER TRANSFORMER A P C B E Ref No Lo No Ref No Lo No POWER TRANSFORMER B P C B F SPEAKER TERMINAL P C B D Q726 Q791 D500 D711 D740 D741 D742 D743 D744 D745 D746 D747 L701 T702 Z701 F1 RL702 CN601 CN602 CN603 JK603 JK701 FC1 W1 W2 W...

Page 49: ... R909 1 8K R916 1 5K R915 1 2K R914 1K R913 820 R908 4 7K R907 3 3K R906 2 2K R905 1 8K R904 1 5K R903 1 2K R902 1K R901 820 C919 50V4 7 FL DISPLAY 1 6 8 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 53 54 2 5 7 9 W905 S901 S910 TUNING S911 TUNING RDS DISP MODE S904 PLAY REC S909 6CH DISCRETE INPUT C928 50V4 7 C927 50V4 7...

Page 50: ...6 87 88 89 90 91 92 93 94 95 96 97 98 99 100 P10 P9 P8 P7 V DD 3 P6 P5 P4 P3 P2 P1 NC NC 1G 2G 3G 4G 5G 6G 7G NC REMOCON RDS DATA RDS CLK HP SW MIC DET VR JOGA VR JOGB NC GND SH REQ KEY KARAOKE KEY TU VDD1 XC OUT XC IN VSS X OUT X IN RESET AC IN SEL TUNER SEL TUNER ST AV6CH RL2 RL1 LC72 CK LC72 DO ST LC72 CE LC72 DI CHECK TIMER S W LED LOUNGE CHORUS MUTE POWER ECO MUTE2 V SS 2 V DD 2 NC NC RL4 SH ...

Page 51: ...1 1K R152 1K R154 100K R153 100K C155 1000P C153 1000P C160 1000P C159 6 3V47 L152 100 H R155 120 D151 MA4051MTA 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 VREF STDBY 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 MPX IN VDD VSS FL OUT C IN T1 T2 PCL X OUT T3 IDR RDCL RDDA RDS ID T4 VDD VSS X IN B A COM D D907 MA165TA 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 D956 SELS5923C TRI AMPLIFIER R984 220 R923 22K ...

Page 52: ...0 R707 1 4W4 7 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 DC 10V To MAIN CIRCUIT of SOUND PROCESSOR To TUNER UINT on SCHEMATIC DIAGRAM 9 10 4 5 C735 0 047 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 R629 1K A B B A R563 2 7K R564 2 7K C660 16V10 C659 16V10 R615 4 7K R614 4 7K R631 3 9K R632 3 9K 7 C202 0 1 R203 100K R204 100K 6 4 2 14 13 12 5 3 15 1 9 16 C201 0 1 A B R202 100K 11 8 C D B C602 16V10 R603 3 3K Y1 ...

Page 53: ...754 C704 35V4700 C702 35V4700 D752 D702 D704 C761 0 1 R703 1W2 2K R704 1W2 2K R705 1W2 2K D703 D701 D751 C703 35V4700 C701 35V4700 D701 703 751 1N5402BM21 C709 0 1 IC601 RSN311W64A POWER AMP Q708 Q706 D757 MA700ATA 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 18 19 20 21 22 23 24 25 26 16 17 R604 3 3K R601 3 3K R602 3 3K R618 4 7K Q601 602 2SC5398RSTA SWITCHING D607 1SS291TA L K R702 27K D658 MA165TA D657 ...

Page 54: ...749 1K D738 MA165TA D758 MA165TA D730 MA4091HTA R770 100K D739 MA165TA R765 1 2W220 R724 3 9K C720 0 047 R720 3 9K C722 16V100 C718 10V100 C717 16V33 D723 MA4150HTA R723 5 6K C719 0 047 R725 10 R721 1 4W4 7 R766 1 2W47 D736 MA165TA D563 MA165TA R738 3 9K R739 47K C564 16V10 D715 MA165TA MAIN CIRCUIT R722 1 6W2 2 C734 50V3 3 R547 5 6K C724 0 047 R797 0 D760 MA165TA C710 0 047 Q R N J D C F G R776 1...

Page 55: ...1000P C643 1000P C651 0 047 C646 0 047 C645 0 047 A B C CENTER 8 R ch L ch SURROUND 8 AC IN JK701 L701 F1 TA2 T702 Z701 C791 1000P 3 1 2 4 RL702 R795 3 9K R794 47K Q791 2SD2144STA RELAY DRIVE D740 MA165TA D745 MA4051MTA R772 22K R771 2 2K D741 D743 D744 D742 C753 0 01 C755 16V1000 Q726 2SC3940AQSTA REGULATOR D746 RL1N4003N02 R777 1K D747 MA4068LTA C758 0 01 C759 10V47 C754 0 01 R774 1 2W18 R773 1 ...

Page 56: ...C D E F LC72131M PLL FREQUENCY SYNTHESIZER AM ANT EXT LOOP FM ANT 75 SCHEMATIC DIAGRAM 8 100 0 01 100 2SC2413 BUFFER AMP 2SK360 FM OSC 2SK360 RF AMP 22P 15P 22P 0 022 2 7K 47P 33K 100K 2P 8P 10K 10K 33K 33K 100K 0 022 100 27P 2P 4P 10K 220 0 022 0 022 150 5P 18P 27P 2SC2059 FM MIXER 0 47 H 0 47 H 10P 33P 330P 580P 1P 5P 680 2 2K 0 220 1 H 820K 2 2M 0 022 680 1000P 330 1P 5P 6P 10P 6 220 5P 5P 12P ...

Page 57: ... 0 01 150P 68K 0 1 10 22K 4 7 4 7 47K 1000P 3 3 A D B C 10K 0 01 330 1000P LA1833MN FM AM IF AMP DET AM OSC MIX FM MPX A B B A D A 2SC2712 SWITCHING 3 3K 2SC2413 FM IF AMP 2SC2413 FM IF AMP 330 SCHEMATIC DIAGRAM 9 11 1 3 2 4 5 6 7 8 9 10 1K 10K 470 4 7K 22K 0 022 0 1 DTA114 POWER SUPPLY FM ON 1K 10K 100P 1000P 0 01 0 068 10K 100K 1K 10K 270 680 270K 680K 10P 39P 270K 680K CL DO DI Lch OUT CE Rch O...

Page 58: ... R909 1 8K R916 1 5K R915 1 2K R914 1K R913 820 R908 4 7K R907 3 3K R906 2 2K R905 1 8K R904 1 5K R903 1 2K R902 1K R901 820 C919 50V4 7 FL DISPLAY 1 6 8 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 53 54 2 5 7 9 W905 S901 S910 TUNING S911 TUNING RDS DISP MODE S904 PLAY REC S909 6CH DISCRETE INPUT C928 50V4 7 C927 50V4 7...

Page 59: ...6 87 88 89 90 91 92 93 94 95 96 97 98 99 100 P10 P9 P8 P7 V DD 3 P6 P5 P4 P3 P2 P1 NC NC 1G 2G 3G 4G 5G 6G 7G NC REMOCON RDS DATA RDS CLK HP SW MIC DET VR JOGA VR JOGB NC GND SH REQ KEY KARAOKE KEY TU VDD1 XC OUT XC IN VSS X OUT X IN RESET AC IN SEL TUNER SEL TUNER ST AV6CH RL2 RL1 LC72 CK LC72 DO ST LC72 CE LC72 DI CHECK TIMER S W LED LOUNGE CHORUS MUTE POWER ECO MUTE2 V SS 2 V DD 2 NC NC RL4 SH ...

Page 60: ...1 1K R152 1K R154 100K R153 100K C155 1000P C153 1000P C160 1000P C159 6 3V47 L152 100 H R155 120 D151 MA4051MTA 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 VREF STDBY 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 MPX IN VDD VSS FL OUT C IN T1 T2 PCL X OUT T3 IDR RDCL RDDA RDS ID T4 VDD VSS X IN B A COM D D907 MA165TA 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 D956 SELS5923C TRI AMPLIFIER R984 220 R923 22K ...

Page 61: ...0 R707 1 4W4 7 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 DC 10V To MAIN CIRCUIT of SOUND PROCESSOR To TUNER UINT on SCHEMATIC DIAGRAM 9 10 4 5 C735 0 047 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 R629 1K A B B A R563 2 7K R564 2 7K C660 16V10 C659 16V10 R615 4 7K R614 4 7K R631 3 9K R632 3 9K 7 C202 0 1 R203 100K R204 100K 6 4 2 14 13 12 5 3 15 1 9 16 C201 0 1 A B R202 100K 11 8 C D B C602 16V10 R603 3 3K Y1 ...

Page 62: ...754 C704 35V4700 C702 35V4700 D752 D702 D704 C761 0 1 R703 1W2 2K R704 1W2 2K R705 1W2 2K D703 D701 D751 C703 35V4700 C701 35V4700 D701 703 751 1N5402BM21 C709 0 1 IC601 RSN311W64A POWER AMP Q708 Q706 D757 MA700ATA 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 18 19 20 21 22 23 24 25 26 16 17 R604 3 3K R601 3 3K R602 3 3K R618 4 7K Q601 602 2SC5398RSTA SWITCHING D607 1SS291TA L K R702 27K D658 MA165TA D657 ...

Page 63: ...749 1K D738 MA165TA D758 MA165TA D730 MA4091HTA R770 100K D739 MA165TA R765 1 2W220 R724 3 9K C720 0 047 R720 3 9K C722 16V100 C718 10V100 C717 16V33 D723 MA4150HTA R723 5 6K C719 0 047 R725 10 R721 1 4W4 7 R766 1 2W47 D736 MA165TA D563 MA165TA R738 3 9K R739 47K C564 16V10 D715 MA165TA MAIN CIRCUIT R722 1 6W2 2 C734 50V3 3 R547 5 6K C724 0 047 R797 0 D760 MA165TA C710 0 047 Q R N J D C F G R776 1...

Page 64: ...1000P C643 1000P C651 0 047 C646 0 047 C645 0 047 A B C CENTER 8 R ch L ch SURROUND 8 AC IN JK701 L701 F1 TA2 T702 Z701 C791 1000P 3 1 2 4 RL702 R795 3 9K R794 47K Q791 2SD2144STA RELAY DRIVE D740 MA165TA D745 MA4051MTA R772 22K R771 2 2K D741 D743 D744 D742 C753 0 01 C755 16V1000 Q726 2SC3940AQSTA REGULATOR D746 RL1N4003N02 R777 1K D747 MA4068LTA C758 0 01 C759 10V47 C754 0 01 R774 1 2W18 R773 1 ...

Page 65: ...C D E F LC72131M PLL FREQUENCY SYNTHESIZER AM ANT EXT LOOP FM ANT 75 SCHEMATIC DIAGRAM 8 100 0 01 100 2SC2413 BUFFER AMP 2SK360 FM OSC 2SK360 RF AMP 22P 15P 22P 0 022 2 7K 47P 33K 100K 2P 8P 10K 10K 33K 33K 100K 0 022 100 27P 2P 4P 10K 220 0 022 0 022 150 5P 18P 27P 2SC2059 FM MIXER 0 47 H 0 47 H 10P 33P 330P 580P 1P 5P 680 2 2K 0 220 1 H 820K 2 2M 0 022 680 1000P 330 1P 5P 6P 10P 6 220 5P 5P 12P ...

Page 66: ... 0 01 150P 68K 0 1 10 22K 4 7 4 7 47K 1000P 3 3 A D B C 10K 0 01 330 1000P LA1833MN FM AM IF AMP DET AM OSC MIX FM MPX A B B A D A 2SC2712 SWITCHING 3 3K 2SC2413 FM IF AMP 2SC2413 FM IF AMP 330 SCHEMATIC DIAGRAM 9 11 1 3 2 4 5 6 7 8 9 10 1K 10K 470 4 7K 22K 0 022 0 1 DTA114 POWER SUPPLY FM ON 1K 10K 100P 1000P 0 01 0 068 10K 100K 1K 10K 270 680 270K 680K 10P 39P 270K 680K CL DO DI Lch OUT CE Rch O...

Page 67: ...AQSTA E C B 2SB1548PQAU 2SD2374PQAU C B E 2SA1995RSTA 2SC5398RSTA 2SD2144STA E C B MA165TA MA700ATA 1SS291TA Ca A Anode Cathode 1N5402BM21 RL1N4003N02 Ca A Anode Cathode SB360L6508 Ca A Anode Cathode 2SA1995RSTA 2SC5398RSTA E C B A Anode Cathode Ca Ca A Anode Cathode MA4030MTA MA4051MTA MA4056MTA MA4068LTA MA4075MTA MA4082LTA LNJ301MPUJAD A Anode Cathode Ca SELS5223C SELS5923C A Ca Anode Cathode ...

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