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- SPECIFICATIONS
- LAYOUT OF FRONT & REAR PARTS
- DISASSEMBLY
- AC MAINS VOLTAGE
- BLOCK DIAGRAM
- CIRCUIT DESCRIPTION
- EQUALIZER CIRCUIT
- TONE CONTROL CIRCUIT
- POWER AMPLIFIER
- PROTECTION CIRCUIT (RELAY CIRCUIT)
- OUTPUT POWER INDICATOR CIRCUIT
- POWER SUPPLY CIRCUIT
- ADJUSTMENT OF POWER AMPLIFIER AND OUTPUT POWER INDICATOR
- HYBRID INTEGRATED CIRCUIT REPLACEMENT
- EQUIVALENT CIRCUIT OF INTEGRATED CIRCUIT
- VOLTAGE REGULATOR TRANSISTOR REPLACEMENT
- NOTES ON SCHEMATIC DIAGRAM
- SCHEMATIC DIAGRAM
- WIRING SIDE OF PRINTED WIRING BOARD
- VOLTAGES ON PRINTED WIRING BOARD
- TRANSISTORS TYPE
- DIODES TYPE
- MISCELLANEOUS PARTS GUIDE
- REPLACEMENT PARTS LIST
- MAINS SUPPLY CORD WIRING CONNECTIONS
There are currently no product reviews.
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Awesome manual. Complete diagrams of all board assemblies as well as how to get to each part of the t.v. down to the individual screws and their locations. Get it.
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perfect copy, im very satisfied, i was need the diagram over the powersupply and
the copy was very sharp
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This is exactly the service manual I needed.
Complete with all schematics, partslists, PCB layouts and alignment instructions.
This manual covers both the T-4970 en T-488F Onkyo tuner.
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IF PRINTED CIRQUIT BOARD WIRING VIEW WAS ONE TONE LIGHTER, THEN 5 STAR RANK HAS TO BE MY CHOISE.
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Very usefull, good quality drawings !
Muito útil encontrei todas as informações necessárias.
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