10
Model No: CT-21FDS1
Version 1.0
Item
Focus adjustment
AKTP01 chassis
Measuring
Equipment
SG
Preparation
before Adj.
Brightness, contrast and color should be set in standard
Adjustment procedure
1. Receive the cross-hatch pattern signal
2. Turn the focus adjusting VR watching the screen and adjust the vertical line of mark to make
the most thin. Then the focus adj. VR is set as close low voltage side as possible.
Stop the focus adj. VR at the point that focus is a bit worse at once, turn back to the left and then
turn back to the right a little again.
To be fine
H. line
V. line
Magnified drawing of part
Item
White balance adjustment
AKTP01 chassis
Measuring
Equipment
SG and white balance meter
No.1 service remote controller
Preparation
before Adj.
Warm up the set for more than 30 min.
Brightness, contrast and color should be set in standard
Adjustment procedure
1. Receive the monoscope pattern signal.
2. Press G (G.DRIVE) key and B (B.DRIVE) key on No.1 service remote controller to select G-DRV
and B-DRV respectively, then press + or – key to adjust the white balance at the directed value
(which is according to the specification of factory’s adjustment)
3. Press R+ or R-, G+ or G- and B+ or B- key respectively to adjust the white balance of low light
until the white balance of high and low light is good