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 28 (click to view)
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TS5, BCT-1510, BCT-1520, BCT-1530
4. PCB CONNECTION DIAGRAM
4.1 FRONT ASSY
A
B FRONT ASSY
SIDE A
NOTE FOR PCB DIAGRAMS :
1. Part numbers in PCB diagrams match those in the schematic diagrams. 2. A comparison between the main parts of PCB and schematic diagrams is shown below.
Symbol In PCB Diagrams Symbol In Schematic Diagrams B CEB CE Part Name
BCE B BCE D DGS GSD GS C EB C E
Transistor
Transistor with resistor
Field effect transistor
Resistor array
3-terminal regulator
B
3. The parts mounted on this PCB include all necessary parts for several destinations. For further information for respective destinations, be sure to check with the schematic diagram. 4. View point of PCB diagrams.