|
|
|
Categories
|
|
Information
|
|
Featured Product
|
|
|
 |
|
|
There are currently no product reviews.
 ;
complete and unabridged very good quality
easy to download.
recieved in two days.
;
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.
;
perfect copy, im very satisfied, i was need the diagram over the powersupply and
the copy was very sharp
;
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.
 ;
IF PRINTED CIRQUIT BOARD WIRING VIEW WAS ONE TONE LIGHTER, THEN 5 STAR RANK HAS TO BE MY CHOISE.
9. At this time, Re-check that Horizontal line is white. If not, Re-adjust Cut-off Adjustment until the Horizontal Line becomes pure white. 10. Turn off and on again to return to normal mode. Receive APL 100% white signal and Check Chroma temperatures become 9200K (x: 286 / y: 294)±3%. Note: Confirm that Cut Off Adj. is correct after this adjustment, and attempt Cut Off Adj. if needed.
4. Press [VOL o / p] button on the service remote control unit and select �U-Offset YUV (Magenta)� mode. 5. Press [CH o / p] buttons so that the waveform of the �U-Offset YUV (Magenta)� mode is equal to the waveform of the �U-Offset YUV (Cyan)� mode.
16. V-Offset YUV
1. In VIDEO mode (white 50%) of YUV, press [3] button on the service remote control unit and select �V-Offset YUV� mode. (Display change �UOffset�, �V-Offset�, �U-Offset YUV� and �V-Offset YUV� cyclically when [3] button pressed.) 2. Press [VOL o / p] button on the service remote control unit and select �V-Offset YUV (Cyan)� mode. 3. Check the waveform of the base of Q1511 on the CRT CBA with the oscilloscope. 4. Press [VOL o / p] button on the service remote control unit and select �V-Offset YUV (Magenta)� mode. 5. Press [CH o / p] buttons so that the waveform of the �V-Offset YUV (Magenta)� mode is equal to the waveform of the �V-Offset YUV (Cyan)� mode.
13. U-Offset
1. In VIDEO mode (white 50%) of V1 or V2, press [3] button on the service remote control unit and select �U-Offset� mode. (Display change �UOffset�, �V-Offset�, �U-Offset YUV� and �V-Offset YUV� cyclically when [3] button pressed.) 2. Press [VOL o / p] button on the service remote control unit and select �U-Offset (Cyan)� mode. 3. Check the waveform of the base of Q1531 on the CRT CBA with the oscilloscope. 4. Press [VOL o / p] button on the service remote control unit and select �U-Offset (Magenta)� mode. 5. Press [CH o / p] buttons so that the waveform of the �U-Offset (Magenta)� mode is equal to the waveform of the �U-Offset (Cyan)� mode.
14. V-Offset
1. In VIDEO mode (white 50%) of V1 or V2, press [3] button on the service remote control unit and select �V-Offset� mode. (Display change �UOffset�, �V-Offset�, �U-Offset YUV� and �V-Offset YUV� cyclically when [3] button pressed.) 2. Press [VOL o / p] button on the service remote control unit and select �V-Offset (Cyan)� mode. 3. Check the waveform of the base of Q1511 on the CRT CBA with the oscilloscope. 4. Press [VOL o / p] button on the service remote control unit and select �V-Offset (Magenta)� mode. 5. Press [CH o / p] buttons so that the waveform of the �V-Offset (Magenta)� mode is equal to the waveform of the �V-Offset (Cyan)� mode.
15. U-Offset YUV
1. In VIDEO mode (white 50%) of YUV, press [3] button on the service remote control unit and select �U-Offset YUV� mode. (Display change �UOffset�, �V-Offset�, �U-Offset YUV� and �V-Offset YUV� cyclically when [3] button pressed.) 2. Press [VOL o / p] button on the service remote control unit and select �U-Offset YUV (Cyan)� mode. 3. Check the waveform of the base of Q1531 on the CRT CBA with the oscilloscope.
5-6
L4905EA
|
|
|
> |
|
