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 73 (click to view)
8050QMA N/B Maintenance
6. Remove the two screws and separate the I/O bracket from the system board, then free the system board. (Figure 2-29)
Reassembly
t ent e cr m Se cu c Do al iT ia M nt e d fi n o C
Figure 2-29 Free the system board
1. Fit the system board into the I/O bracket and secure with two screws. 2. Replace the system board into the housing and secure with four screws. 3. Reconnect the three speakers� cables into the system board and replace the (R&L) rear covers. 4. Secure with four screws fasten the housing. 5. Replace the LCD assembly, modem card, DDR, CD/DVD-ROM drive, hard disk drive, CPU, keyboard and battery pack. (Refer to the section 2.3.8, 2.3.7, 2.3.6, 2.3.5, 2.3.4, 2.3.3, 2.3.2 and 2.3.1 Reassembly)
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