Technics SA-EH760 Service Manual
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Technics SA-EH760 Service Manual

Tuner/amplifier
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Service Manual
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AD0002037C2
Tuner/Amplifier
SA-EH760
Colour
(S).....................Silver Type
Areas
(E).....................Europe.
(EB)..................Great Britain.
(EG)..................Germany, Italy, France, Netherlands and Denmark.
file:///C|/Documents%20and%20Settings/Administrator/Plocha/SA-EH760/s0000000000.htm (1 of 3) [2.4.2003 3:38:17]
Jeanne van Woerkom electra
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  • Page 1 Jeanne van Woerkom electra file:///C|/Documents%20and%20Settings/Administrator/Plocha/SA-EH760/s0000000000.htm Service Manual TOP NEXT AD0002037C2 Tuner/Amplifier SA-EH760 Colour (S).....Silver Type Areas (E).....Europe. (EB)....Great Britain. (EG)....Germany, Italy, France, Netherlands and Denmark. www.freeservicemanuals.info file:///C|/Documents%20and%20Settings/Administrator/Plocha/SA-EH760/s0000000000.htm (1 of 3) [2.4.2003 3:38:17]...
  • Page 2 Jeanne van Woerkom electra file:///C|/Documents%20and%20Settings/Administrator/Plocha/SA-EH760/s0000000000.htm © 2000 Matsushita Electric Industrial Co., Ltd. All rights reserved. Unauthorized copying and distribution is a violation of law. www.freeservicemanuals.info file:///C|/Documents%20and%20Settings/Administrator/Plocha/SA-EH760/s0000000000.htm (2 of 3) [2.4.2003 3:38:17]...
  • Page 3 Jeanne van Woerkom electra file:///C|/Documents%20and%20Settings/Administrator/Plocha/SA-EH760/s0000000000.htm •@ TOP NEXT www.freeservicemanuals.info file:///C|/Documents%20and%20Settings/Administrator/Plocha/SA-EH760/s0000000000.htm (3 of 3) [2.4.2003 3:38:17]...
  • Page 4 50 Hz in NO SIGNAL mode should be shown below with respectto supply voltage 230/240 V. Power supply voltage AC 230 V AC 240 V Consumed current 50 Hz 100 ~ 350 mA •@ TOP PREVIOUS NEXT www.freeservicemanuals.info file:///C|/Documents%20and%20Settings/Administrator/Plocha/SA-EH760/s0100000000x.htm [2.4.2003 3:38:43]...
  • Page 5 2. Determine the cause of the problem and correct it. 3. Switch ON the power once again. Note: When the protection circuitry functions, the unit will not operate unless the power is first switched OFF and then ON again. •@ TOP PREVIOUS NEXT www.freeservicemanuals.info file:///C|/Documents%20and%20Settings/Administrator/Plocha/SA-EH760/s0200000000x.htm [2.4.2003 3:39:00]...
  • Page 6 AC power supply cord for (E),(EG) area/(RJA0019-X)......1 pc. AC power supply cord for (EB) area/(RJA0053-2X)......1 pc. AM loop antenna set/(RSA0022-J)......1 pc. FM indoor antenna/(RSA0007)......1 pc. Speaker cords/(REE0393)......2 pcs./(REE0984)......2 pcs./(REE0985)......2 pcs. Remote control transmitter/(RAK-EHA28WH).....1 pc. www.freeservicemanuals.info file:///C|/Documents%20and%20Settings/Administrator/Plocha/SA-EH760/s0300000000x.htm (1 of 2) [2.4.2003 3:39:21]...
  • Page 7 Jeanne van Woerkom electra file:///C|/Documents%20and%20Settings/Administrator/Plocha/SA-EH760/s0300000000x.htm Remote control batteries/(R6/LR6,“AA”, UM-3)....2 pcs. Note: These are available on sales route. Antenna plug adaptor for (EB) area only/(SJP9009)......1 pc. •@ TOP PREVIOUS NEXT www.freeservicemanuals.info file:///C|/Documents%20and%20Settings/Administrator/Plocha/SA-EH760/s0300000000x.htm (2 of 2) [2.4.2003 3:39:21]...
  • Page 8 Jeanne van Woerkom electra file:///C|/Documents%20and%20Settings/Administrator/Plocha/SA-EH760/s0400000000x.htm 4 Caution for AC Mains Lead TOP PREVIOUS NEXT www.freeservicemanuals.info file:///C|/Documents%20and%20Settings/Administrator/Plocha/SA-EH760/s0400000000x.htm (1 of 2) [2.4.2003 3:39:39]...
  • Page 9 Jeanne van Woerkom electra file:///C|/Documents%20and%20Settings/Administrator/Plocha/SA-EH760/s0400000000x.htm •@ TOP PREVIOUS NEXT www.freeservicemanuals.info file:///C|/Documents%20and%20Settings/Administrator/Plocha/SA-EH760/s0400000000x.htm (2 of 2) [2.4.2003 3:39:39]...

  • Page 10: Location Of Controls

    Jeanne van Woerkom electra file:///C|/Documents%20and%20Settings/Administrator/Plocha/SA-EH760/s0500000000x.htm 5 Location of Controls TOP PREVIOUS NEXT •@ TOP PREVIOUS NEXT www.freeservicemanuals.info file:///C|/Documents%20and%20Settings/Administrator/Plocha/SA-EH760/s0500000000x.htm [2.4.2003 3:39:56]...
  • Page 11 6.1 Checking for the AC IN P.C.B. 6.2 Checking for the operation P.C.B. 6.3 Checking for the main P.C.B. 6.4 Replacement for the regulator transistor 6.5 Replacement for the power IC •@ TOP PREVIOUS NEXT www.freeservicemanuals.info file:///C|/Documents%20and%20Settings/Administrator/Plocha/SA-EH760/s0600000000x.htm [2.4.2003 3:40:12]...
  • Page 12 Jeanne van Woerkom electra file:///C|/Documents%20and%20Settings/Administrator/Plocha/SA-EH760/s0602000000.htm 6.2 Checking for the operation P.C.B. TOP PREVIOUS NEXT Follow the (Step 1) (Step 3) of item 6.1. Check the operation P.C.B. as shown below. www.freeservicemanuals.info file:///C|/Documents%20and%20Settings/Administrator/Plocha/SA-EH760/s0602000000.htm (1 of 2) [2.4.2003 3:40:49]...
  • Page 13 Jeanne van Woerkom electra file:///C|/Documents%20and%20Settings/Administrator/Plocha/SA-EH760/s0602000000.htm •@ TOP PREVIOUS NEXT www.freeservicemanuals.info file:///C|/Documents%20and%20Settings/Administrator/Plocha/SA-EH760/s0602000000.htm (2 of 2) [2.4.2003 3:40:49]...
  • Page 14 Jeanne van Woerkom electra file:///C|/Documents%20and%20Settings/Administrator/Plocha/SA-EH760/s0603000000.htm 6.3 Checking for the main P.C.B. TOP PREVIOUS NEXT Follow the (Step 1) (Step 3) of item 6.1. Follow the (Step 1) (Step 6) of item 6.2. www.freeservicemanuals.info file:///C|/Documents%20and%20Settings/Administrator/Plocha/SA-EH760/s0603000000.htm (1 of 3) [2.4.2003 3:41:08]...
  • Page 15 Jeanne van Woerkom electra file:///C|/Documents%20and%20Settings/Administrator/Plocha/SA-EH760/s0603000000.htm www.freeservicemanuals.info file:///C|/Documents%20and%20Settings/Administrator/Plocha/SA-EH760/s0603000000.htm (2 of 3) [2.4.2003 3:41:08]...
  • Page 16 Jeanne van Woerkom electra file:///C|/Documents%20and%20Settings/Administrator/Plocha/SA-EH760/s0603000000.htm Check the main P.C.B. as shown below. •@ TOP PREVIOUS NEXT www.freeservicemanuals.info file:///C|/Documents%20and%20Settings/Administrator/Plocha/SA-EH760/s0603000000.htm (3 of 3) [2.4.2003 3:41:08]...
  • Page 17 Jeanne van Woerkom electra file:///C|/Documents%20and%20Settings/Administrator/Plocha/SA-EH760/s0604000000.htm 6.4 Replacement for the regulator transistor TOP PREVIOUS NEXT Follow the (Step 1) (Step 3) of item 6.1. •@ TOP PREVIOUS NEXT www.freeservicemanuals.info file:///C|/Documents%20and%20Settings/Administrator/Plocha/SA-EH760/s0604000000.htm [2.4.2003 3:42:08]...
  • Page 18 6.5 Replacement for the power IC TOP PREVIOUS NEXT Follow the (Step 1) (Step 3) of item 6.1. Follow the (Step 1) (Step 6) of item 6.2. Follow the (Step 1) (Step 10) of item 6.3. •@ TOP PREVIOUS NEXT www.freeservicemanuals.info file:///C|/Documents%20and%20Settings/Administrator/Plocha/SA-EH760/s0605000000.htm [2.4.2003 3:42:26]...
  • Page 19 This unit SA-EH760 is designed to operate on power supplied form system connected./For system connection, refer to Fig. 7-1. Fig. 7-1. 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 C740 (-) (GND).
  • Page 20 Jeanne van Woerkom electra file:///C|/Documents%20and%20Settings/Administrator/Plocha/SA-EH760/s0700000000x.htm Notes: Use only this method when checking the voltage etc../In case of checking the operations, use the system connections to supply power source. •@ TOP PREVIOUS NEXT www.freeservicemanuals.info file:///C|/Documents%20and%20Settings/Administrator/Plocha/SA-EH760/s0700000000x.htm (2 of 2) [2.4.2003 3:42:43]...
  • Page 21 Use this self-diagnostic function when servicing the unit. 8.1 To display the malfunction code 8.2 To return to the normal display 8.3 Display contents 8.3.1 U70 CD, U70 DECK(displayed automatically) 8.3.2 F61 •@ TOP PREVIOUS NEXT www.freeservicemanuals.info file:///C|/Documents%20and%20Settings/Administrator/Plocha/SA-EH760/s0800000000x.htm [2.4.2003 3:43:02]...
  • Page 22 TOP PREVIOUS NEXT U70 CD:/U70 DECK: Automatically displays on the tuner/amplifier when a malfunction occurs. Refer to Fig. 8-1. F61: Automatically displays on the tuner/amplifier when a malfunction occurs. Refer to Fig. 8-1. Fig. 8-1. www.freeservicemanuals.info file:///C|/Documents%20and%20Settings/Administrator/Plocha/SA-EH760/s0801000000.htm (1 of 2) [2.4.2003 3:43:33]...
  • Page 23 F61 will be displayed for 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. •@ TOP PREVIOUS NEXT www.freeservicemanuals.info file:///C|/Documents%20and%20Settings/Administrator/Plocha/SA-EH760/s0802000000.htm [2.4.2003 3:43:53]...
  • Page 24 Jeanne van Woerkom electra file:///C|/Documents%20and%20Settings/Administrator/Plocha/SA-EH760/s0803000000.htm 8.3 Display contents TOP PREVIOUS NEXT 8.3.1 U70 CD, U70 DECK(displayed automatically) 8.3.2 F61 •@ TOP PREVIOUS NEXT www.freeservicemanuals.info file:///C|/Documents%20and%20Settings/Administrator/Plocha/SA-EH760/s0803000000.htm [2.4.2003 3:44:09]...
  • Page 25 Insert the flat cables at the back of the unit in the order indicated. Refer to Fig. 8-2. Make sure the white side of the cable is on your right side. Refer to Fig. 8-3. Fig. 8-2. Fig. 8-3. www.freeservicemanuals.info file:///C|/Documents%20and%20Settings/Administrator/Plocha/SA-EH760/s0803010000.htm (1 of 2) [2.4.2003 3:44:28]...
  • Page 26 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. •@ TOP PREVIOUS NEXT www.freeservicemanuals.info file:///C|/Documents%20and%20Settings/Administrator/Plocha/SA-EH760/s0803010000.htm (2 of 2) [2.4.2003 3:44:28]...
  • Page 27 When the power switch is switched on, it automatically switches back off, making it impossible to switch power on. Correction procedure Faulty Tuner/Amplifier (SA-EH760) output IC (IC601). (When a DC voltage is applied to speaker terminals.) •@ TOP PREVIOUS NEXT www.freeservicemanuals.info...
  • Page 28 This schematic diagram may be modified at any time with the development of new technology. Notes: S901: Power Standby/on switch ( 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: www.freeservicemanuals.info file:///C|/Documents%20and%20Settings/Administrator/Plocha/SA-EH760/s0900000000x.htm (1 of 5) [2.4.2003 3:45:17]...
  • Page 29 6 ch discrete input switch/(6 CH DISCRETE INIPUT) S910: Tuning down switch (TUNING, S911: Tuning up switch (TUNING, S912: Tuner/band switch (TUNER/BAND) S913: Digital super woofer switch/(DIGITAL S.WOOFER) S914: RDS display mode PS switch/(RDS DISP MODE-PS) S915: www.freeservicemanuals.info file:///C|/Documents%20and%20Settings/Administrator/Plocha/SA-EH760/s0900000000x.htm (2 of 5) [2.4.2003 3:45:17]...
  • Page 30 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 www.freeservicemanuals.info file:///C|/Documents%20and%20Settings/Administrator/Plocha/SA-EH760/s0900000000x.htm (3 of 5) [2.4.2003 3:45:17]...
  • Page 31 Jeanne van Woerkom electra file:///C|/Documents%20and%20Settings/Administrator/Plocha/SA-EH760/s0900000000x.htm : Positive voltage line : Negative voltage line : AM signal line : AM OSC signal line : FM signal line : FM OSC signal line www.freeservicemanuals.info file:///C|/Documents%20and%20Settings/Administrator/Plocha/SA-EH760/s0900000000x.htm (4 of 5) [2.4.2003 3:45:17]...
  • Page 32 Jeanne van Woerkom electra file:///C|/Documents%20and%20Settings/Administrator/Plocha/SA-EH760/s0900000000x.htm : Center sp.drive signal line : Surround sp.drive signal line : Source signal line •@ TOP PREVIOUS NEXT www.freeservicemanuals.info file:///C|/Documents%20and%20Settings/Administrator/Plocha/SA-EH760/s0900000000x.htm (5 of 5) [2.4.2003 3:45:17]...

  • Page 33: Schematic Diagram

    Jeanne van Woerkom electra file:///C|/Documents%20and%20Settings/Administrator/Plocha/SA-EH760/s1000000000x.htm 10 Schematic Diagram TOP PREVIOUS NEXT •@ TOP PREVIOUS NEXT www.freeservicemanuals.info file:///C|/Documents%20and%20Settings/Administrator/Plocha/SA-EH760/s1000000000x.htm [2.4.2003 3:45:34]...
  • Page 34 Jeanne van Woerkom electra file:///C|/Documents%20and%20Settings/Administrator/Plocha/SA-EH760/s1100000000x.htm 11 Printed Circuit Board Diagram TOP PREVIOUS NEXT •@ TOP PREVIOUS NEXT www.freeservicemanuals.info file:///C|/Documents%20and%20Settings/Administrator/Plocha/SA-EH760/s1100000000x.htm [2.4.2003 3:46:00]...
  • Page 35 Jeanne van Woerkom electra file:///C|/Documents%20and%20Settings/Administrator/Plocha/SA-EH760/s1200000000x.htm 12 Type Illustration of ICs, Transistors and Diodes TOP PREVIOUS NEXT •@ TOP PREVIOUS NEXT www.freeservicemanuals.info file:///C|/Documents%20and%20Settings/Administrator/Plocha/SA-EH760/s1200000000x.htm [2.4.2003 3:46:20]...
  • Page 36 Jeanne van Woerkom electra file:///C|/Documents%20and%20Settings/Administrator/Plocha/SA-EH760/s1300000000x.htm 13 Wiring Connection Diagram TOP PREVIOUS NEXT •@ TOP PREVIOUS NEXT www.freeservicemanuals.info file:///C|/Documents%20and%20Settings/Administrator/Plocha/SA-EH760/s1300000000x.htm [2.4.2003 3:46:37]...
  • Page 37 Jeanne van Woerkom electra file:///C|/Documents%20and%20Settings/Administrator/Plocha/SA-EH760/s1400000000x.htm 14 Terminal Function of ICs TOP PREVIOUS NEXT 14.1 IC901 (LC8A524A5N28):System Control/FL Drive •@ TOP PREVIOUS NEXT www.freeservicemanuals.info file:///C|/Documents%20and%20Settings/Administrator/Plocha/SA-EH760/s1400000000x.htm [2.4.2003 3:46:59]...
  • Page 38 Not used, connected to GND VR JOGB Volume control signal input VR JOGA MIC DET Microphone connecting detect signal input (Not used) HP SW Headphone connecting detect signal input RDS CLK RDS clock signal input www.freeservicemanuals.info file:///C|/Documents%20and%20Settings/Administrator/Plocha/SA-EH760/s1401000000.htm (1 of 3) [2.4.2003 3:47:29]...
  • Page 39 (Not used, open) MUTE Muting signal output POWER Power control signal output /ECO ECO signal output MUTE2 Muting signal output VSS2 GND terminal VDD2 Power supply terminal Not used, open Not used, open www.freeservicemanuals.info file:///C|/Documents%20and%20Settings/Administrator/Plocha/SA-EH760/s1401000000.htm (2 of 3) [2.4.2003 3:47:29]...
  • Page 40 Serial communication signal to Sound Processor (Clock signal input) E DET Unusual condition detect signal input CR TIMER I/O TIME CONSTANT terminal Station detector signal input from tuner circuit •@ TOP PREVIOUS NEXT www.freeservicemanuals.info file:///C|/Documents%20and%20Settings/Administrator/Plocha/SA-EH760/s1401000000.htm (3 of 3) [2.4.2003 3:47:29]...

  • Page 41: Block Diagram

    Jeanne van Woerkom electra file:///C|/Documents%20and%20Settings/Administrator/Plocha/SA-EH760/s1500000000x.htm 15 Block Diagram TOP PREVIOUS NEXT •@ TOP PREVIOUS NEXT www.freeservicemanuals.info file:///C|/Documents%20and%20Settings/Administrator/Plocha/SA-EH760/s1500000000x.htm [2.4.2003 3:47:48]...
  • Page 42 After the end of this period, the assembly will no longer be available. All parts are supplied by MESA. Ref. No. Part No. Part Name& Description Remarks www.freeservicemanuals.info file:///C|/Documents%20and%20Settings/Administrator/Plocha/SA-EH760/s1600000000x.htm (1 of 14) [2.4.2003 3:48:12]...
  • Page 43 BATTERY COVER REE0393 SPEAKER CORD REE0984 SPEAKER CORD REE0985 SPEAKER CORD RJA0019-X AC POWER SUPPLY CORD (E,EG)/ RJA0053-2X AC POWER SUPPLY CORD (EB) RQA0117 WARRANTY CARD RQCB0169 SERVICE CENTER LIST RQT5354-E OPERATING INSTRUCTIONS (E)/<IA> www.freeservicemanuals.info file:///C|/Documents%20and%20Settings/Administrator/Plocha/SA-EH760/s1600000000x.htm (2 of 14) [2.4.2003 3:48:12]...
  • Page 44 50V 1000P C607,08 ECBT1H471KB5 50V 470P C609,10 ECBT1H560J5 50V 56P C611,12 ECBT1H150JC5 50V 15P C613,14 ECBT1H470J5 50V 47P C616 ECEA1HKNR47B 50V 0.47U C617,18 ECKR2H103ZU 500V 0.01U C619 ECBT1H103KB5 50V 0.01U C620,21 ECQV1H473JM3 50V 0.047U www.freeservicemanuals.info file:///C|/Documents%20and%20Settings/Administrator/Plocha/SA-EH760/s1600000000x.htm (3 of 14) [2.4.2003 3:48:12]...
  • Page 45 50V 0.022U C733 ECBT1H473KB5 50V 0.047U C734 RCE1HKA3R3BG 50V 3.3U C735 ECBT1H473KB5 50V 0.047U C737 ECA1HM101 50V 100U C740 ECA1CAK100XB 16V 10U C741 ECQE1104KF3 100V 0.1U C753 ECKR1H103ZF5 50V 0.01U C754 ECBT1H103KB5 50V 0.01U www.freeservicemanuals.info file:///C|/Documents%20and%20Settings/Administrator/Plocha/SA-EH760/s1600000000x.htm (4 of 14) [2.4.2003 3:48:12]...
  • Page 46 ECBT1H102KB5 50V 1000P C927,28 RCE1HKA4R7BG 50V 4.7U C931 ECA1CAK100XB 16V 10U C961 ECEA1CKS100 16V 10U CN601 RJU057W012 CONNECTOR(12P) CN602 RJU057W008 CONNECTOR(8P) CN603 RJU057W004 CONNECTOR(4P) CN701-13 RJS1A1101T1 CONNECTOR(1P) CN781 RJS10T5ZA CONNECTOR(10P) CP101 RJT100W11 CONNECTOR(11P) www.freeservicemanuals.info file:///C|/Documents%20and%20Settings/Administrator/Plocha/SA-EH760/s1600000000x.htm (5 of 14) [2.4.2003 3:48:12]...
  • Page 47 D730 MA4091H DIODE D736 MA165 DIODE D737 MA4082LTA DIODE D738-40 MA165 DIODE D741-44 RL1N4003N02 DIODE D745 MA4051M DIODE D746 RL1N4003N02 DIODE D747 MA4068L DIODE D749 MA165 DIODE D751,52 1N5402BF DIODE D753-55 RL1N4003N02 DIODE www.freeservicemanuals.info file:///C|/Documents%20and%20Settings/Administrator/Plocha/SA-EH760/s1600000000x.htm (6 of 14) [2.4.2003 3:48:12]...
  • Page 48 JK601 02 RJH5603-1J 6P SP TANSI JK603 RJH2308 JACK JK701 SJS9236 JACK AC INLET JK903 RJJ37TN02-C JACK,HEADPHONE L151,52 ELEXT101KA9 COIL L153 RLQA1R0JT1-Y COIL L601-06 RLQYR73MW1-0 COIL L701 RLQZ371 LINE FILTER L901 RLQA100JT1-Y COIL www.freeservicemanuals.info file:///C|/Documents%20and%20Settings/Administrator/Plocha/SA-EH760/s1600000000x.htm (7 of 14) [2.4.2003 3:48:12]...
  • Page 49 Q555 2SC3327A TRANSISTOR Q558 UN4211 TRANSISTOR Q601,02 2SC5398RSTA TRANSISTOR Q605-08 2SC3327A TRANSISTOR Q617,18 2SC3327A TRANSISTOR Q701 2SD2374PQAU TRANSISTOR Q702 2SB1548PQAU TRANSISTOR Q703 2SD2137PQTA TRANSISTOR Q705 2SA1995RSTA TRANSISTOR Q706 UN4211 TRANSISTOR Q707 2SB1548PQAU TRANSISTOR www.freeservicemanuals.info file:///C|/Documents%20and%20Settings/Administrator/Plocha/SA-EH760/s1600000000x.htm (8 of 14) [2.4.2003 3:48:12]...
  • Page 50 1/4W 100K R557 ERDS2FJ103 1/4W 10K R558 ERDS2FJ222 1/4W 2.2K R559 ERDS2FJ472 1/4W 4.7K R561 ERDS2FJ104 1/4W 100K R563,64 ERDS2FJ272 1/4W 2.7K R570 ERDS2TJ225 1/4W 2.2M R571 ERDS2FJ562 1/4W 5.6K R572 ERDS2FJ153 1/4W 15K www.freeservicemanuals.info file:///C|/Documents%20and%20Settings/Administrator/Plocha/SA-EH760/s1600000000x.htm (9 of 14) [2.4.2003 3:48:13]...
  • Page 51 1/4W 120 R649,50 ERDS1FJ100 1/2W 10 R651,52 ERD2FCG100 1/4W 10 R667 ERDS2FJ392 1/4W 3.9K R668 ERDS2FJ473 1/4W 47K R669,70 ERDS1FJ470 1/2W 47 R672 ERDS2FJ473 1/4W 47K R675 ERDS2FJ392 1/4W 3.9K R683-86 ERDS2FJ102 1/4W 1K www.freeservicemanuals.info file:///C|/Documents%20and%20Settings/Administrator/Plocha/SA-EH760/s1600000000x.htm (10 of 14) [2.4.2003 3:48:13]...
  • Page 52 1/4W 2.2K R772 ERDS2FJ223 1/4W 22K R773,74 ERDS1FJ180 1/2W 18 R776 ERDS2FJ103 1/4W 10K R777 ERDS2FJ102 1/4W 1K R791,92 RSFMB40KT-L FUSE PROTECTOR R793 ERDS2FJ1R0 1/4W 1 R794 ERDS2FJ473 1/4W 47K R795 ERDS2FJ392 1/4W 3.9K www.freeservicemanuals.info file:///C|/Documents%20and%20Settings/Administrator/Plocha/SA-EH760/s1600000000x.htm (11 of 14) [2.4.2003 3:48:13]...
  • Page 53 1/4W 10K R938 ERDS2FJ102 1/4W 1K R939 ERDS2FJ152 1/4W 1.5K R941,42 ERDS2FJ102 1/4W 1K R943 ERDS2FJ101 1/4W 100 R944 ERDS2FJ222 1/4W 2.2K R945 ERDS2FJ101 1/4W 100 R946 ERDS2FJ102 1/4W 1K R949 ERDS2FJ472 1/4W 4.7K www.freeservicemanuals.info file:///C|/Documents%20and%20Settings/Administrator/Plocha/SA-EH760/s1600000000x.htm (12 of 14) [2.4.2003 3:48:13]...
  • Page 54 ERDS2FJ104 1/4W 100K R995 ERDS2FJ221 1/4W 220 R996,97 ERDS2FJ151 1/4W 150 RL602 RSY0050-0 RELAY RL605 RSY0050-0 RELAY RL701 RSY0030M-0 RELAY RL702 RSY0040M-0 RELAY S901-15 EVQ11G05R T701 RTP2N5B012 POWER TRANSFORMER T702 RTP1H3E001 POWER TRANSFORMER www.freeservicemanuals.info file:///C|/Documents%20and%20Settings/Administrator/Plocha/SA-EH760/s1600000000x.htm (13 of 14) [2.4.2003 3:48:13]...
  • Page 55 Jeanne van Woerkom electra file:///C|/Documents%20and%20Settings/Administrator/Plocha/SA-EH760/s1600000000x.htm VR901 EVQVBXFK124B V.R. X151 RSXC4M33S02T OSCILLATOR X901 EF0EC6004T4 OSCILLATOR X902 RSXD32K7S02 OSCILLATOR Z120 RAN0005EM TUNER UNIT Z701 ERZV10V511CS COMPONENT COMBINATION Z901 RCDGP1U28XD REMOTE SENSOR •@ TOP PREVIOUS NEXT www.freeservicemanuals.info file:///C|/Documents%20and%20Settings/Administrator/Plocha/SA-EH760/s1600000000x.htm (14 of 14) [2.4.2003 3:48:13]...
  • Page 56 Jeanne van Woerkom electra file:///C|/Documents%20and%20Settings/Administrator/Plocha/SA-EH760/s1700000000x.htm 17 Cabinet Parts Location TOP PREVIOUS NEXT •@ TOP PREVIOUS NEXT www.freeservicemanuals.info file:///C|/Documents%20and%20Settings/Administrator/Plocha/SA-EH760/s1700000000x.htm [2.4.2003 3:48:34]...
  • Page 57 Jeanne van Woerkom electra file:///C|/Documents%20and%20Settings/Administrator/Plocha/SA-EH760/s1800000000x.htm 18 Packaging TOP PREVIOUS •@ TOP PREVIOUS www.freeservicemanuals.info file:///C|/Documents%20and%20Settings/Administrator/Plocha/SA-EH760/s1800000000x.htm [2.4.2003 3:48:57]...
  • Page 58 Jeanne van Woerkom electra Z120 TUNER UNIT (RAN0005EM) FM ANT AM ANT +B(FM) RF AMP MIXER COIL COIL +B(FM) FM IF FM / AM I F AMP, +B(FM) BUFFER DET / AM OSC, FM OSC MIX / FM MPX (LA1833MN) +B(FM) FM:ON DECODER...
  • Page 59 Jeanne van Woerkom electra W501 TUNER L/C TUNER R A.GND BU4053BCFE2 IC201 MID L SIGNAL SELECTOR MID R DC 10V TW L TW R SW CONT. To SOUND PROCESSOR BLOCK DIAGRAM -B(-7.5V) V.GND D.GND CE/REQ DATA CT.GND SH FL1 From POWER TRANSFORMER SH FL2 SYNC...
  • Page 60 Jeanne van Woerkom electra Q607 (Q608) MUTING Q606 MUTING LC72721NMTLM Q605 IC151 RDS SIGNAL MUTING DEMODULATOR VREF FLOUT 3,13 CLOCK RECOVERY REFERENCE (57kHz) (1187.5Hz) VOLTAGE 4,12 VREF RDCL 57kHz DATA MPX IN ANTIALIASING SMOOTHING RDDA DECODER FILTER FILTER (SCF) CLK(4.332MHz) RDS-ID RDS-ID DETECT...
  • Page 61 Jeanne van Woerkom electra HEADPHONES R ch RSN311W64A IC601 POWER AMP Q911 (18) MUTING (Q912) D974 Q902,961 MUTING CONT D601 POWER CONTROL CIRCUIT (25) SURROUND SPEAKERS RLY605 +B11 CENTER SPEAKERS (8 ) (12) HIGH (6 ) RLY602 Q503,558 +B11 SPEAKERS SWITCH- (6 ) POWER CONTROL/...
  • Page 62 Jeanne van Woerkom electra Q702,705 REGULATOR D702,704, T701 752,754,755 D701,703, 751,753 D956 (TRI-AMPLIFIER) Q703,704 REGULATOR Q723 RL701 AC IN Q706 L701 SWITCH- +B11 REGULATOR Q701 RLY702 Z701 REGULATOR Q709 POWER RELAY DRIVE Q708 SWITCH- SYNC D717~720 Q711,725 Q791 REGULATOR RELAY DRIVE +B11 Q707...
  • Page 63 Jeanne van Woerkom electra www.freeservicemanuals.info...
  • Page 64 Jeanne van Woerkom electra www.freeservicemanuals.info...
  • Page 65 Jeanne van Woerkom electra OPERATION P.C.B. VR901 (VOLUME) W902B R923 S913 DIGITAL ELECTRICAL PARTS LOCATION S.WOOFER R995 Ref. No. Lo. No. Ref. No. Lo. No. Ref. No. Lo. No. R918 C902 C915 OPERATION P.C.B. R932 R956 R957 IC151 R510 R966 R919 Q961 IC901...
  • Page 66 Jeanne van Woerkom electra MAIN P.C.B. Q723 C735 C740 D737 R764 E C B W902A R763 CP101 C733 R563 W501 Q606 Q605 R564 R605 R606 R617 R618 Q554 D657 C554 R684 E C B W901A Q602 Q601 R683 CN781 D659 R570 C550 R559...
  • Page 67 Jeanne van Woerkom electra POWER SUPPLY P.C.B. R725 C717 Q701 R723 Q705 E C B Q702 D760 R749 Q711 Q725 W701B D730 R765 D758 (REP2964A-M) ELECTRICAL PARTS LOCATION Ref. No. Lo. No. Ref. No. Lo. No. Ref. No. Lo. No. Ref.
  • Page 68 Jeanne van Woerkom electra AC IN P.C.B. ELECTRICAL PARTS LOCATION Ref. No. Lo. No. Ref. No. Lo. No. R795 R794 Q791 SPEAKER TERMINAL P.C.B. D740 RL702 E C B T702(Power transformer) Q726 Q791 D500 D500 W2/W3 R773 D711 R771 R774 D740 R772 Q726...
  • Page 69 Jeanne van Woerkom electra SCHEMATIC DIAGRAM- 1 NOTE: The number which noted at the connectors on the schematic diagram as : SOURCE SIGNAL LINE "SCHEMATIC DIAGRAM-1" or "SCHEMATIC DIAGRAM-2" OPERATION CIRCUIT indicates the schematic diagram serial number located on the left corner in the schematic diagram. FL901 (RSL0298- F) FL DISPLAY 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...
  • Page 70 Jeanne van Woerkom electra SCHEMATIC DIAGRAM- 2 : POSITIVE VOLTAGE LINE : NEGATIVE VOLTAGE LINE -27.6V Q901 UN4212TA B C D E F G H I J K L M N O P Q R RESET 5.2V 5.1V -27.6V - VP -26.9V 5.2V REMOCON...
  • Page 71 Jeanne van Woerkom electra SCHEMATIC DIAGRAM- 3 : POSITIVE VOLTAGE LINE OPERATION CIRCUIT : NEGATIVE VOLTAGE LINE : SOURCE SIGNAL LINE A B C C151 16V10 2.5V R155 IC151 VREF STDBY LC72721NMTLM C152 RDS SIGNAL 330P 2.5V DEMODULATOR MPX IN L151 100 H 5.1V...
  • Page 72 Jeanne van Woerkom electra SCHEMATIC DIAGRAM- 4 : POSITIVE VOLTAGE LINE : FM SIGNAL LINE : SURROUND SP.DRIVE SIGNAL LINE : NEGATIVE VOLTAGE LINE : AM SIGNAL LINE : CENTER SP.DRIVE SIGNAL LINE : SOURCE SIGNAL LINE MAIN CIRCUIT 7.5V W501 -7.5V TU L/C ch...
  • Page 73 Jeanne van Woerkom electra SCHEMATIC DIAGRAM- 5 : POSITIVE VOLTAGE LINE : SURROUND SP.DRIVE SIGNAL LINE : NEGATIVE VOLTAGE LINE : CENTER SP.DRIVE SIGNAL LINE : SOURCE SIGNAL LINE 7.5V -7.5V IC601 RSN311W64A POWER AMP -61.6V 61.4V -30.7V 30.2V -0.2V -30.4V 29.9V -61.9V...
  • Page 74 Jeanne van Woerkom electra SCHEMATIC DIAGRAM-6 : POSITIVE VOLTAGE LINE : SURROUND SP.DRIVE SIGNAL LINE MAIN CIRCUIT : NEGATIVE VOLTAGE LINE : CENTER SP.DRIVE SIGNAL LINE : SOURCE SIGNAL LINE L605 RL602 Q555 2SD2144STA R570 R649 SIGNAL LEVEL DET. 2.2M 1/2W10 C552 R559...
  • Page 75 Jeanne van Woerkom electra SCHEMATIC DIAGRAM- 7 : SOURCE SIGNAL LINE : POSITIVE VOLTAGE LINE : SURROUND SP.DRIVE SIGNAL LINE AC IN CIRCUIT : NEGATIVE VOLTAGE LINE : CENTER SP.DRIVE SIGNAL LINE SPEAKERS To SB-EH760 JK603 Q726 CENTER 2SC3940AQSTA (8 ) REGULATOR D746 JK601...
  • Page 76 Jeanne van Woerkom electra SCHEMATIC DIAGRAM-8 :FM SIGNAL LINE :AM SIGNAL LINE Z120 TUNER UNIT(RAN0005EM) :POSITIVE VOLTAGE LINE :FM OSC SIGNAL LINE :AM OSC SIGNAL LINE 2SC2059 FM MIXER 2SK360 6 ~ 220 RF AMP FM ANT (75 ) 0 ~ 220 2SK360 FM OSC 2SC2413...
  • Page 77 Jeanne van Woerkom electra SCHEMATIC DIAGRAM-9 :POSITIVE VOLTAGE LINE :FM SIGNAL LINE :AM SIGNAL LINE :AM OSC SIGNAL LINE 10P ~ 270K ~ 270K ~ 680K 680K 1000P 2SC2413 2SC2413 DTA114 FM IF AMP FM IF AMP POWER SUPPLY (FM:ON) LA1833MN FM/AM IF AMP, DET/AM OSC,MIX/FM MPX...
  • Page 78 Jeanne van Woerkom electra LC8A524A5N28 RSN311W64A 2SD2137PQTA BU4053BCFE2 16PIN 20PIN UN411FTA LC72721NMTLM ... UN4115TA ..UN4211TA ..UN4212TA ..
  • Page 79 Jeanne van Woerkom electra To SOUND PROCESSOR SPEAKERS Z120 TUNER UNIT CP601 MAIN P.C.B. CP101 CP602 ..CP603 W501 ..W722 ..W901A .
  • Page 80 Jeanne van Woerkom electra Tuner amplifier 1 Standby/on switch (Í/I) 5 67 8 9 Press to switch the unit from on to standby mode or vice versa. In standby mode, the unit is still consuming a small amount of power. 2 Standby indicator (Í) DIGITAL S.WOOFER...

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