Panasonic PT-56DLX25 Service Manual page 48

PT-56DLX75 / PT-61DLX75
Perform the necessary adjustments according to the following flow chart.
Adjustment flow for block level repair
(Ex.) When replacing the Optical Block Unit
a. Focus Adjustment
OK
b. Mechanical Picture Position Adjustment (Tilt)
OK
c. Electrical Picture Position Adjustment
OK
d. Copying the adjustment data of the Optical Block Unit to EEPROM IC on the Main C.B.A. (Circuit Board DG)
OK
e. Verifying the "Color Wheel Index Delay"
on the screen
OK
e. Verifying the white balance on the screen
(Ex.) When replacing TV/Tuner Unit or the Main C.B.A. (Circuit Board DG)
d. Copying the adjustment data of the Optical Block Unit to EEPROM IC on the Main C.B.A. (Circuit Board DG)
OK
e. Verifying the "Color Wheel Index Delay"
on the screen
OK
e. Verifying the white balance on the screen
(Ex.) When replacing the Color Wheel Unit
Color Wheel Index Delay Adjustment
OK
Verifying the white balance on the screen NG
NG
Color Wheel Index Delay Adjustment
NG
White Balance Adjustment
NG
Color Wheel Index Delay Adjustment
NG
White Balance Adjustment
White Balance Adjustment
Fig. E1-2
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