Y Out Level Adjustment (Vc-272 Board); C Out Level Adjustment (Vc-272 Board) - Sony Handycam CCD-TRV107 Service Manual

3. Y OUT Level Adjustment (VC-272 board)

Set the Y signal output level. (Adjust the D/A converter out put
level of IC151.)
Mode VTR stop
Signal No signal
Measurement Point Y signal terminal of S VIDEO
terminal (75Ω terminated)
Measuring Instrument Oscilloscope
Adjustment Page F
Adjustment Address 5E
Specified Value A = 286 ± 5mV
Note1: Insert a plug into the S video terminal.
Adjusting method:
Order Page Address Data
1 0 01 01
2 2 01 41
3 6 61 30
4 F 5E
5 F 5E
6 2 01 00
7 6 61 10
8 0 01 00
H
Fig. 5-3-6.
Procedure
Set the data.
Set the data, and press PAUSE
button.
Set the data,.
Change the data and set the SYNC
level (A) to the specified value.
Press PAUSE button.
Set the data, and press PAUSE
button.
Set the data.
Set the data.
CCD-TRV107/TRV108/TRV308/TRV408/TRV608

4. C OUT Level Adjustment (VC-272 board)

Set the chroma signal output level. (Adjust the D/A converter out
put level of IC151.)
Mode
Signal
Measurement Point
Measuring Instrument
Adjustment Page
Adjustment Address
Specified Value
Note1: Insert a plug into the S video terminal.
Adjusting method:
Order Page Address Data
1 0 01
2 2 01
3 6 61
4 F 5F
5 F 5F
6 2 01
7 6 61
8 0 01
A
5-35
VTR stop
No signal
Chroma signal terminal of S VIDEO
terminal (75Ω terminated)
Oscilloscope
F
5F
A = 286 ± 5mV
Procedure
01 Set the data.
41 Set the data, and press PAUSE
button.
30 Set the data,.
Change the data and set the burst
level (A) to the specified value.
Press PAUSE button.
00 Set the data, and press PAUSE
button.
10 Set the data.
00 Set the data.
H
Fig. 5-3-7.
A