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.
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.
Text excerpt from page 32 (click to view)
KEH-1900,1950
7. GENERAL INFORMATION
7.1 DISASSEMBLY
Cassette Mechanism Assy - Remove the Case(not shown) 1. Remove the three screws. 2. Remove the Case. - Remove the Cassette Mechanism Assy
(not shown)
1. Remove the four screws. 2.Disconnect the connector, and then remove the Cassette Mechanism Assy. - Remove the Panel Unit(Fig.1) Disengage the stopper at two locations indicated by arrow. Remove the Panel Unit.
Panel Unit
Fig.1
- Remove the Tuner Amp Unit(Fig.2) Remove the two screws.
Remove the three screws.
Remove the screw.
Unbend the tabs at four locations indicated by arrow until straight. Remove the Tuner Amp Unit.