Technics SU-A808, Service Manual

Page 1: ...AD9907181C2 Stereo Integrated Amplifier SU A808 Colour K Black Type Areas E Europe and Russia EB Great Britain EG Germany France and Italy SPECIFICATIONS 1...

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Page 4: ...1999 Matsushita Electric Industrial Co Ltd All rights reserved Unauthorized copying and distribution is a violation of law 4...

Page 5: ...0 Hz Consumed current 70 270 mA 60 260 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 switche...

Page 6: ...nsmitter RAK SUA11WH 1 pc Batteries R6 LR6 AA UM 3 2 pcs Note These are available on sales route 4 Caution for AC Mains Lead NOTATION PUBLIC ALDUS NOTATION TAGGED IMAGE FILE FORMAT EN ENTITY SYSTEM ac...

Page 7: ...Procedures 7...

Page 8: ...8...

Page 9: ...ures the function that shuts down the main power source when it check the 15 V line with the IC801 microcomputer and find the different voltage After power is turned on the unit enters the stand by mo...

Page 10: ...01 open 7 1 About the abnormality detect function with the operation LED turned off 1 If the operation LED is turned off there are possibilities of the following abnormalities in addition to the LED i...

Page 11: ...itch TAPE MONITOR S810 Tape monitor TAPE 2 MD switch TAPE MONITOR S811 Tape monitor TAPE 1 switch TAPE MONITOR S812 Speaker select switch SPEAKER B S813 Speaker select switch SPEAKER A VR201 Volume co...

Page 12: ...ecial 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 manufacturers specified...

Page 13: ...suring Instruments and Special Tools AC electronic voltmeter AC EVM AF oscillator 14 2 Output Voltage Adjustment 1 Turn on the power 2 Select the input source to TUNER 3 Connect the measuring instrume...

Page 14: ...Adjustment point Fig 2 14...

Page 15: ...ut select IC IC201 11 SEL STB O Strobe signal output for input select IC IC201 12 POWER SW I Power switch S204 detect signal input 13 LED O Not used open 14 LED C O Input select LED drive signal outpu...

Page 16: ...rol signal output 35 DVD RLY O DVD relay control signal output 36 CD RLY O CD relay control signal output 37 MON RLY O Monitor relay control signal output 38 VGCA LED O LED drive signal output VGCA mo...

Page 17: ...s dependent on the type of assembly and in accordance with the laws governing part and product retention After the end of this period the assembly will no longer be available All parts are supplied by...

Page 18: ...TTER 1 A1 1 RKK0123 K BATTERY COVER 1 A2 RJA0019 X AC POWER SUPPLY CORD 1 E EG A2 RJA0053 2X AC POWER SUPPLY CORD 1 EB A3 RQA0117 WARRANTY CARD 1 A4 RQCB0169 SERVICE CENTER LIST 1 A5 RQT5113 E OPERATI...

Page 19: ...2KB5 50V 1000P 2 C426 ECBT1H102KB5 50V 1000P 1 C427 ECBT1E223ZF 25V 0 022U 1 C428 ECKR1H103ZF5 50V 0 01U 1 C451 52 ECKR1H333ZF5 50V 0 033U 2 C453 56 ECCV2H680K 500V 68P 4 C457 60 RCE1HKA3R3BG 50V 3 3U...

Page 20: ...008M1 CONNECTOR 8P 1 CN301 02 RJU003K008M1 CONNECTOR 8P 2 CN401 RJU057W004 CONNECTOR 4P 1 CN601 SJT3213 CONNECTOR 2P 1 CN702 RJS1A6607T1 CONNECTOR 7P 1 CN703 RJS1A6603 CONNECTOR 3P 1 CN704 17 RJS1A110...

Page 21: ...9 65 SLR325VCT31 LED 7 D866 67 SLR325DCT31 LED 2 F1 XBA2C25TB0 FUSE T2 5A 1 IC101 AN6558F IC 1 IC201 NJU7312AL IC 1 IC251 BA6218 IC 1 IC301 UPC4570C IC 1 IC351 52 NJM4580DD IC 2 IC401 AN7062N IC 1 IC5...

Page 22: ...P3 RPG4557 PACKING CASE 1 EB EG 22...

Page 23: ...QAU TRANSISTOR 1 Q794 2SB1548PQAU TRANSISTOR 1 Q801 UN4211 TRANSISTOR 1 Q802 UN4111 TRANSISTOR 1 Q803 UN4211 TRANSISTOR 1 Q804 UN4111 TRANSISTOR 1 Q805 UN4211 TRANSISTOR 1 Q806 UN4111 TRANSISTOR 1 Q80...

Page 24: ...1 4W 39K 2 R411 12 RREKFJ470VM 1 4W 47 2 R437 ERDS2FJ473 1 4W 47K 1 R457 ERDS2FJ153 1 4W 15K 1 R459 60 RREKFJ101VM 1 4W 100 2 R461 64 ERDS2FJ333 1 4W 33K 4 R465 68 RREKFJ101VM 1 4W 100 4 R469 ERDS2FJ...

Page 25: ...22 1 4W 2 2K 1 R715 ERDS2FJ221 1 4W 220 1 R793 94 ERDS2FJ103 1 4W 10K 2 R795 96 ERDS2FJ105 1 4W 1M 2 R801 ERDS2FJ821 1 4W 820 1 R802 ERDS2FJ102 1 4W 1K 1 R803 ERDS2FJ122 1 4W 1 2K 1 R804 ERDS2FJ152 1...

Page 26: ...4 RL351 RSY0020M R RELAY 1 RL501 02 RSY0013M 0 RELAY 2 RL503 RSY0020M R RELAY 1 RL701 02 RSY0019M 0 RELAY 2 S204 RSP2B023 A SW 1 S801 13 EVQ21405R SW 13 T1 RTP7K5E003BW POWER TRANSFORMER 1 TH201 02 E...

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