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 17 (click to view)
5.6. Turntable motor 1. Remove the motor cover by cutting at the locations indicated by the arrows with a cutter.
NOTE:
After removing the motor cover, be sure that cut portions are properly trimmed or bent to the inside so that no sharp edges will be exposed to outside. 2. Disconnect 2 lead wires connected to the turntable motor. 3. Remove the turntable motor by removing screw.
NOTE:
After replacing the new turntable motor and reconnecting the two lead wires, reinstall the motor cover by rotating it 180°, tucking the tabs into the base in the 2 provided slots, then screw the single tab to the base using a 4mm X 6mm screw (not provided). /