Pal-S Output Level Adjustment (Bd Board) - Sony BKM-21D Maintenance Manual

3-3-7. PAL-S Output Level Adjustment
(BD Board)
n
The following adjustment menu is below the BKM-21D
menu of the MAINTENANCE menu.
Y LEVEL
PB LEVEL
PR LEVEL
1. Input the composite PAL 100% color bar signal into
the VIDEO 4 input terminal.
(Full-field 0% set up)
2. Set 02 CH.
3. Connect the oscilloscope to TP201 of the BD board.
4. Adjust the Y LEVEL data so that the Y OUT signal
level A of TP201 satisfies the specification.
A
Specification A = 660 ± 10 mV
Fig. 3-5.
5. Connect the oscilloscope to TP501 of the BD board.
6. Adjust the PB LEVEL data so that the PB OUT signal
level B of TP501 satisfies the specification.
B
Specification B = 660 ± 10 mV
Fig. 3-6.
3-14 (E)
7. Connect the oscilloscope to TP601 of the BD board.
8. Adjust the PR LEVEL data so that the PR OUT signal
level C of TP601 satisfies the specification.
C
Specification C = 660 ± 10 mV
Fig. 3-7.
BKM-21D