Transmit Voltage Adjustment; Composite Signal Output Adjustment - JVC RM-P210U Service Manual

Measuring
No. Item instruments &
Input signals
2.3

TRANSMIT VOLTAGE ADJUSTMENT

1 +15 V supply Digital voltmeter
adjustment
2 +17 V supply Digital voltmeter
adjustment
3 +19 V supply Digital voltmeter
adjustment
2.4

COMPOSITE SIGNAL OUTPUT ADJUSTMENT

1 Video level • Color bar
adjustment • Oscilloscope
(H-rate)
2 Frequency • Color bar
response • Oscilloscope
adjustment (H-rate)
Measuring point ( * )
Adjustment parts ( - )
Mode
Adjustment level ( + )
* TP9
Adjustment
- SHUTTER VR
mode
+ 15 ± 0.2 VDC
1: VOLT ADJ
15 V
* TP9
Adjustment
- SHUTTER VR
mode
+ 17 ± 0.2 VDC
2: VOLT ADJ
17 V
* TP9
Adjustment
- SHUTTER VR
mode
+ 19 ± 0.2 VDC
3: VOLT ADJ
19 V
* COMPOSITE VIDEO
• BARS swtch:
ON OUTPUT
(75 Ω terminated)
• Menu No. 2A
- VR102 (IRIS LEVEL)
LENGTH:
20 M [Main board]
+ 1 ± 0.03 Vp-p
* COMPOSITE VIDEO
• BARS swtch:
ON OUTPUT
(75 Ω terminated)
• Menu No. 2A
- VR101 (VBS FREQ)
LENGTH:
20 M [Main board]
+ 1 Vp-p
Adjustment procedure
1. Start the Adjustment mode without connect-
ing the camera (i.e. camera cable). (See sec-
tion 2.2.)
2. Select each adjustment mode and adjust
SHUTTER to the specified level.
1. Adjust to the specified level.
1 Vp-p
1. Adjust to the specified level.
2. If adjustment to the specified level is not pos-
sible, use a vectorscope and adjust so that all
of the spots come inside
1 Vp-p
.
2-3