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3-3. Encoder System Adjustment
3-3-6. VTR Y/R-Y/B-Y Level Adjustment
Equipment:
Oscilloscope
Preparations
. 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
n
When performing this adjustment using CA-950/950P and CCU-900/900P, terminate at 1 kZ.
1. Test point:
Pin 48/EX-762 or EX-464 board
GND:
Pin 47/EX-762 or EX-464 board
1RV404 (VTR SYNC) /EN-141 board
Adj. point:
Specification: A = 286 ± 5 mV [NTSC]
A = 300 ± 5 mV [PAL]
[NTSC]
C
A
B
2. Setup level adjustment (UC model only)
Test point:
Pin 48/EX-762 or EX-464 board
GND:
Pin 47/EX-762 or EX-464 board
1RV405 (SETUP) /EN-141 board
Adj. point:
Specification: B = 53.5 ± 2.0 mV
3. Test point:
Pin 48/EX-762 or EX-464 board
GND:
Pin 47/EX-762 or EX-464 board
1RV403 (VTR Y) /EN-141 board
Adj. point:
Specification: C = 714 ± 5 mV [NTSC]
C = 700 ± 5 mV [PAL]
4. Test point:
Pin 46/EX-762 or EX-464 board
GND:
Pin 45/EX-762 or EX-464 board
Adj. point:
1RV203 (VTR R-Y) /EN-141 board
Specification: D = 700 ± 5 mV [UC model]
D = 525 ± 5 mV [PAL]
3-24 (E)
[PAL]
C
A
D
1
2
3
4
5
M
RV405
RV403
RV404
RV402
RV406
RV104
RV407
RV401
RV201
RV202
L
RV608
RV203
RV304
RV301
K
RV302
RV605
RV303
J
RV204
H
G
RV601
RV600
RV607
RV603
F
RV606
S600
RV604
RV602
S601
E
S800
D
TP4
TP3
S801
TP1
TP2
C
RV802
RV609
RV801
RV800
B
A
EN-141 BOARD (A SIDE)
6
7
8
E1
RV100
RV200
RV300
CN1
BVP-9500WS/9500WSP MM
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