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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.
IF PRINTED CIRQUIT BOARD WIRING VIEW WAS ONE TONE LIGHTER, THEN 5 STAR RANK HAS TO BE MY CHOISE.
Very usefull, good quality drawings !
Muito útil encontrei todas as informações necessárias.
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.
GOOD SERVICE MANUAL.I ALWAYS BUY THERE IF I FIND WHAT I AM LOKING
7. GENERAL INFORMATION
7.1 DIAGNOSIS 7.1.1 DISASSEMBLY
- Removing the Case (not shown) 1. Remove the Case.
- Removing the CD Mechanism Module (Fig.1)
CD Mechanism Module
Remove the four screws.
Disconnect the connector and then remove the CD Mechanism Module.
- Removing the Grille Assy (Fig.1)
Remove the two screws and then remove the Grille Assy.
1 2 1 2
Fig.1 - Removing the Tuner Amp Unit (Fig.2)
1 2 3 4
Remove the screw.
Remove the three screws.
Straight the tabs at three locations indicated. Remove the screw and then remove the Tuner Amp Unit.
Tuner Amp Unit
59 7 8