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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.
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perfect copy, im very satisfied, i was need the diagram over the powersupply and
the copy was very sharp
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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.
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IF PRINTED CIRQUIT BOARD WIRING VIEW WAS ONE TONE LIGHTER, THEN 5 STAR RANK HAS TO BE MY CHOISE.
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Very usefull, good quality drawings !
Muito útil encontrei todas as informações necessárias.
Alignment & Adjustment
2-4 Other Adjustments
2-4-1 Screen Adjustment
1. Warm up the TV for at least 30 minutes. 2. Select the "STANDARD" Video Mode. 3. Turn to the Video Mode (No Signal) using a remote-control. 4. Connect an oscilloscope to RK,GK,BK. 5. Adjust the VR Screen (in the Focus Pack) to have 20VP-P for the RK, GK and BK pulse. (Turn the R, G and B VR screen fully counterclockwise at each flyback line.) � Voltage adjustment connt be done using a normal multi-tester. For adjustment, use an oscilloscope. The voltage shown by the tester is false data because the AC peak to peak voltage is adjusted under DC conditions.
2-4-2 White Balance Adjustment
1. Select the "STANDARD" Video Mode. 2. Input 100% white pattern. 3. In the stand-by mode, press the remote-control keys in the following sequence:
4. Warm up the TV for at least 30 minutes. 5. Input a 10-step signal. 6. R-cut off, B-cut off, and G-cut off by pressing the keys.
7. Adjust the low light with viewing the dark side of the screen. 8. Select R-drive, G-drive, and B-drive by pressing the keys.
9. Adjust the high light with viewing the light side of the screen. 10. If necessary, redo screen adjustments and 6~9. 11. Press the Add key to exit.
2-12
Samsung Electronics
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