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3-18 (E)
BVP-9500WS/9500WSP MM
B
B
[NTSC]
[PAL]
A
A
[NTSC]
[PAL]
3-3. Encoder System Adjustment
3-3-1. DA Output Level Adjustment (PR-248 Board)
Equipment:
Oscilloscope
Notes
.
Perform this adjustment only when PR-248 board adjustment is not completed.
.
This adjustment must be done at Field Rate 60 (for BVP-9500WS) or 50 (for BVP-9500WSP) : x1
speed. (Refer to Section 3-1-4.)
Preparations
.
Remove the PR-249 board. (Refer to Section 1-5-7.)
.
Extend the EN-141 board with the extension board (EX-762 board assembly or EX-464.)
.
Disconnect the triax cable or optical fiber cable from CCU.
.
Supply power from the AC adaptor (AC-550/550CE).
.
OUTPUT switch/side panel
→
BARS
Adjustment procedures
1.
Test point:
Pin 80 (84)/EX-762 (EX-464) board
GND:
Pin 79 (82)/EX-762 (EX-464) board
Adj. point:
1
RV4 (Y GAIN) /PR-248 board
Specification:
A = 700
±
5 mV
2.
Test point:
Pin 78 (81)/EX-762 (EX-464) board
GND:
Pin 77 (79)/EX-762 (EX-464) board
Adj. point:
1
RV1 (R GAIN) /PR-248 board
Specification:
B = 700
±
5 mV
3-3. Encoder System Adjustment
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