Video Deviation Adjustment - Sony CCD-TRV32 Service Manual

5-3.

VIDEO DEVIATION ADJUSTMENT

Purpose : Adjusts deviation when modulating the video
signal.
Adjustment error : Too bright or too dark overall picture.
Overmodulation picture. (If deviation is too
wide, or too narrow.)
Mode CAM-STANDBY
Signal Any signal
Measurement Point • VIDEO OUTPUT terminal of the
unit (Terminated in 75Ω)
• VIDEO OUTPUT terminal of IR
receiver jig (Terminated in 75Ω)
Measuring Instrument Oscilloscope
Adjustment Page F
Adjustment Address 5D
B=Vo ± 0.05Vp-p
Specification Value
Adjustment procedure:
Order Page Address
1 6 00
2 6 01
3 6 01
4
5 F 5D
6
7 6 01
8 00 00
H
Data
01 After setting the data, press the PAUSE button. (Preparation)
Read the data pf page : 6, address : 01, and record it.
47 After setting the data, press the PAUSE button.
Record the output level "A" of the VIDEO OUTPUT terminal of the unit, as Vo.
1.0 ± 0.05Vp-p)
(Vo
Change data using PLAY and STOP buttons so that the Y signal level (B) satisfies the
output (B) specifications of the VIDEO OUTPUT terminal of IR receiving jig.
Press the PAUSE button.
Set the data which is recorded in step 2 to this address and, press the PAUSE button.
00 After setting the data, press the PAUSE button. (End)
A
Procedure
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