Analog Composite A/D Level Adjustment (J Mode) - Sony CA-702 Maintenance Manual

Camera adaptor
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2-4-4. Analog Composite A/D Level Adjustment (J mode)

The CA-702 needs the following adjustment to maintain its performance. The CA-702P, however, does
not need.
Preparations
1. Connect each equipment referring to 2-1-3, "Connection - AD Adjustment."
2. Set the power switch of CA to OFF and extend the AD-150 board.
3. S102-2/RE-153 (UC/J mode inversion) 8 ON
4. S1/AD-150 (AGC) 8 OFF
5. Warm up for approximately ten minutes in the procedures below before performing the adjustment.
(1) Set the SDI/COMPOSITE switch on the outside panel of CA to COMPOSITE.
(2) Set the power switch of CA to INPUT and the power switch of a camcorder to ON.
(3) Confirm that the "EXT" display blinks in the viewfinder of a camcorder and warm up for
approximately ten minutes.
6. Video signal generator 8 75% color-bar signal (setup 0%)
Adjustment Procedures
1. SETUP Level Adjustment
Equipment:
Waveform/Vector monitor
Setting: DISPLAY 8 WFM
Test Point:
TEST OUT connector/Camcorder
Adjustment Point: 1RV10 (J/P SETUP)/AD-150
A = 7.5 ± 2 IRE
Specifications:
2. Y Level Adjustment
Equipment:
Waveform/Vector monitor
Setting: DISPLAY 8 WFM
Test Point:
TEST OUT connector/Camcorder
Adjustment Point: 1RV7 (J/P SETUP)/AD-150
B = 100 ± 2 IRE
Specifications:
B
(NTSC Setup 7.5%)
CA-702
CA-702P
SWEEPS 8 2H
SWEEPS 8 2H
A
2-4-4. Analog Composite A/D Level Adjustment (J mode)
RV12
FL7
TP4
RV11
RV10
TP5
RV7
RV6
FL6
RV4 RV5
FL5
TP2
RV2
FL8
RV3
FL2
FL4
RV1
FL3
FL1
S1
RV8
TP1
E2
RV13
TP3
TP6
Suffix -12 or higher
AD-150 BOARD (A SIDE)
2-4. AD-150/P Board Adjustment
RV12
FL7
RV11
TP4
RV10
RV7
TP5
RV6
FL6
RV4
RV5
FL8
TP2
RV2
RV3
FL5
RV1
FL2
FL4
FL1
CN1
S1
RV8
TP1
E1
RV9
Suffix -11
2-11 (E)

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Ca-702p

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