D2 Ntsc Phase Adjustment (Bd Board); D2 Ntsc Output Level Adjustment (Bd Board) - Sony BKM-21D Maintenance Manual

3-5-6. D2 NTSC PHASE Adjustment
(BD Board)
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The following adjustment menu is below the BKM-21D
menu of the MAINTENANCE menu.
PHASE OFFSET
1. Set CH 01.
2. Read the adjusted PHASE OFFSET data from the
BKM-21D menu of the MAINTENANCE menu.
3. Set CH 12.
4. Set the adjusted PHASE OFFSET data to the same
value as the analog NTSC mode data that is read at
step 2 from the BKM-21D menu of the MAINTE-
NANCE menu.
3-5-7. D2 NTSC VIDEO OUT Level
Adjustment (BD Board)
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. For this adjustment, install the NTSC input adapter
BKM-24N to the vacant slot.
. The following adjustment menu is below the BKM-21D
menu of the MAINTENANCE menu.
V LEVEL (VIDEO LEVEL)
1. Input the D2 NTSC 100% color bar signal into the
SDI-1 input terminal.
(Full-field 0% set up)
2. Connect the oscilloscope to TP101 of the BD board.
3. Adjust the V LEVEL (VIDEO LEVEL) data so that
the V I/O signal level A of TP101 satisfies the specifi-
cation.
A
Specification A = 714 ± 10 mV
Fig. 5-8.
3-26 (E)
3-5-8. D2 NTSC Output Level Adjustment
(BD Board)
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The following adjustment menu is below the BKM-21D
menu of the MAINTENANCE menu.
Y LEVEL
PB LEVEL
PR LEVEL
1. Input the D2 NTSC 100% color bar signal to the SDI-1
terminal.
2. Set CH 12.
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 = 673 ± 10 mV
Fig. 5-9
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. 5-10.
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. 5-11.
BKM-21D