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 93 (click to view)
5
6
7
8
A
B
1 8 and 3 Indicates whether a disc is playing or paused. 2 CHP Indicates that the character display is showing a DVD chapter number. 3 TITLE Indicates that the character display is showing a DVD title number. 4 Lights when 2V/SRS TruSurround is selected. 5 Lights during multi-angle scenes on a DVD disc. 6 Lights in any of the repeat play modes.
7 REMAIN Indicates that the character display is showing the disc or title/chapter/track remain time. 8 Character display
C
9 2D Lights when a Dolby Digital soundtrack is playing. 10 TRK Indicates that the character display is showing a CD or Video CD track number. 11 DTS Lights when a DTS soundtrack is playing.