Tint Adjustment - Hitachi C47-WD8000 Service Manual

SERVICE ADJUSTMENTS

2.19 TINT ADJUSTMENT

(1) PREPARATION
Preheat run should be finished.
(2) Input A NTSC window pattern signal like below to the AV3 and AV4.
1/2H
(3) Enter to split mode and display AV3 and AV4;
(4) Enter to service mode;
(5) Observe "B" cathode and adjust the INT level and EXT level by item No.71 FOR MAIN(RIGHT), item No.72
for SUB(LEFT)
DO NOT FORGET TO PRESS ENTER TO SAVE THE RESULT.
INT Y = 0%
EXT Y = 0%
INT C = 100%
1/2V
EXT C = 100%
INT C = - 90°
EXT C = + 90°
70