is part of the manual is very useful for repairing
Here are circuit diagrams
if there is damage, I recommend using this part of the
a complete list of circuit boards and components
ecelent I was reciver the service manual soon I fell so happy very complete 100% positive all by this store tanks atte Luis salazar
Text excerpt from page 22 (click to view)
AV-21F9
Item
Measuring instrument
Test point
Adjustment part
Description
Adjustment of H. CENTER
4. H. CENT
10. Receive a circle pattern signal. 11. Select 4. H-CENT with the MENU a key. 12. Set the initial setting value of 4. H. CENT with the MENU � / + key. 13. Adjust H. CENT to make "C = D" with the MENU � / + key.
C
D
Adjustment of V-S.CR & V-LINE
7. V-S.CR 10. V-LINE
q When the vertical linearity has been deteriorated remarkably, perform the following steps. 14. Receive a cross-hatch signal. 15. Select 7. V-S.CR with the MENU a key. 16. Set the initial setting value of 7. V-S.CR with the MENU � / + key. 17. Select 10. V-LINE with the MENU a key. 18. Set the initial setting value of 10. V-LINE with the MENU � / + key. 19. Adjust V-S.CR and V-LINE so that the spaces of each line on TOP, CENTER and BOTTOM become uniform.
TOP
CENTER
BOTTOM
20. Make sure that the adjustment is properly done on the screen of 60Hz mode. 21. Press the DISPLAY key twice to return to the normal screen. [NOTE] q When adjust in 60Hz mode, only 60Hz mode is adjust.
