Bs Digital; Carrier Balance Adjustment - Panasonic DVCPRO AJ-CA901P Service Manual

Electrical Adjustment for AJ-BS900HEN & CA900HEN

7. BS DIGITAL

7-1. Carrier Balance Adjustment

BOARD BS DIGITAL
TP ENC1 OUT
ADJ. VR21 [BAL2], VR22 [B-Y BLK BAL]
VR18 [BAL1], VR19 [R-Y BLK BAL]
INPUT AJ-BS900H Internal Color bar signal : ON
M. EQ Vector scope (with 75Ω termination), 5x mode
SPEC.
As shown below
1. Connect Vector scope to ENC OUT1 and then
adjust VR21 so that the two vector dots are in
parallel with V axis on the scope.
2. Adjust VR22 so that the two vector dots meet to V
axis on the scope.
3. Adjust VR18 so that the two vector dots become
equal distance (A = B) from center position on V
axis of the scope.
4. Adjust VR19 so that the two vector dots come to
center position of the scope.
ELE-15
A
B
A
B
A
B