11
Model No: CT-21FDS1
Version 1.0
Item
RF. AGC adjustment
AKTP01 chassis
Measuring
Equipment
SG and digital multi meter
No.5 service remote controller
Preparation
before Adj.
Connect a digital multi meter to TP101 point on the chassis
Adjustment procedure
1. Receive the color bar signal that is 87.5% modulation and 60dBu level
2. Press RF AGC key on No.5 service remote controller to select RF. AGC adjustment, press + or –
key to adjust the voltage of RF AGC to 3.7
±
0.1V that is read on the digital multi meter.
Item
Vertical height, linearity and Hor. position adjustment
AKTP01
chassis
Measuring
Equipment
SG
No.2 and No.3 service remote controllers
Preparation
before Adj.
Brightness, contrast and color should be set in standard
Adjustment procedure
1. Receive the 5-circles pattern signal that is 50HZ vertical frequency.
2. Press V-LINE, V-SIZE, V-CENT and H-CENT key on NO.2 service remote controller
respectively to select the vertical linearity, height, center (position) and horizontal center (position)
adjustment, and then press + or - key to adjust the value of them respectively according to
factory’s specification.
3. Receive the 5-circles pattern signal that is 60HZ vertical frequency
4. Press V-LINE, V-SIZE, V-CENT and H-CENT key on NO.3 service remote controller separately
to adjust the vertical linearity, height, center and horizontal center as above item 3.
Item
OSD position adjustment
AKTP01 chassis
Measuring
Equipment
No.1 and No.5 service remote controller
Preparation
before Adj.
Brightness, contrast and color should be set in standard
