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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.
6. Voice cannot be transmitted to other party (outgoing call).
Can the base and handset be connected? OK The 1 kHz, 3.3mV sine wavefor m i s a p p l i e d t o MC601 + side, can the 1 kHz sine waveform from collector of Q606 be fed? OK Check whether there is the 1 kHz sine waveform at pin 12 of IC602. OK Check whether there is the 1 kHz sine waveform at pin 22 of IC2. OK Check whether there is the 1 kHz sine waveform at the Q6 collector. OK Check whether the 1 kHz sine wavefor m from TEL-line output is fed. OK Check MC601 of handset. NG Check T1, RL1 and their pripheral circuits. NG Check IC2, Q6 and the pripheral circuit. NG Check IC2 and the peripheral circuit. NG Check IC602 and the peripheral circuit. NG Check Q606 and its peripheral circuit. NG See 3. The base and handset cannot be connected.
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