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There are currently no product reviews.
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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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Wanting to repair a neighbours tape recorder I needed the necessary information, it makes it easier. Although the service manual is described as "Language : English" To my dismay I found that it is entirely written in German, a language I do not understand. At least I now have the schematics which will help of sorts. I may not use this service again due to the laguage difficulty after all when it states English you do not expect it to be entirely in another language.
When the appliance is operated with the door hinges or magnetron fixed incorrectly, the microwave leakage can reach more than 5mW/cm3. After repair or exchange, it is very important to check if the magnetron and the door hinges are correctly fixed.
7.7. Sharp Edges
Caution
Please use caution when unpacking, installing or moving the unit, as some exposed edges may be sharp to touch and cause injury if not handled with care.
8. Parts Replacement Procedure
8.1. Magnetron
1. Discharge the high voltage capacitors on the inverter circuit. 2. Remove the screw holding the air guide. 3. Remove the two screws holding the tie bar. 4. Remove the oven lamp and lead wire harness cables form the air guide A. 5. Remove the air guide A. 6. Disconnect the two high voltage leads from the magnetron. 7. Remove the four screws holding the magnetron. NOTE: After replacing the magnetron, tighten the mounting screws making sure that there is no gap between the waveguide and the magnetron to prevent microwave leakage.
Caution
When replacing the magnetron, ensure that the antenna gasket is in place.
Note
The magnetron used for this model is unique for the inverter power supply system. Make sure to use the one as listed in the parts list.
Figure 1
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