Camera Return Video Level Adjustment; Input Sync Level Adjustment - Sony DVW-250 Maintenance Manual

9-7-3. CAMERA RETURN VIDEO Level
Adjustment
Preparation
• Put the unit into EE mode.
MODE switch/connector panel → SAVE
Push the REC button on the front panel.
• CAMERA/VIDEO/SDI input select switch/connector
panel → VIDEO
• Inputs the composite video signal to the VIDEO IN
connector on the connector panel.
Signal generator : 75 % Color bars
Adjustment procedure
: Waveform monitor
1. Equipment
: VIDEO OUT 1 connector on the
Test point
connector panel
Adjustment point : 1RV200 (K-1) /VPR-12
: A = 714 ±7 mV p-p (for NTSC)
Specification
A = 700 ±7 mV p-p (for PAL)
[For NTSC]
[For PAL]
2. Setting after adjustment
Reset switches to the former positions.
(MODE switch/connector panel → PB/EE)
DVW-250/250P

9-7-4. INPUT SYNC Level Adjustment

Preparation
• Put the unit into EE mode.
• CAMERA/VIDEO/SDI input select switch/connector
panel → VIDEO
• Inputs the composite video signal to the VIDEO IN
connector on the connector panel.
Signal generator : 75 % Color bars
Adjustment procedure
: Oscilloscope
Equipment
(20 MHz BW Limit : ON)
: TP208 (E-2) /VPR-12
Test point
Adjustment point : 1RV201 (C-1) /VPR-12
: A = 3.00 ±0.05 V dc
Specification
A B C D
1
RV201
2
TP208
3
4
5
6
9-7. Video Adjustment-2
E F G H J
RV200
VPR-12 Board A side
9-27
K