S-C Output Level Adjustment (Cb-58 Board); S-Y Output Level Adjustment (Cb-58 Board) - Sony DCR-TRV7 Service Manual

3. S-C Output Level Adjustment (CB-58 Board)

Set the chroma signal level of the S video output signal.
Mode
VTR stop
Signal No signal
Chroma signal terminal of S VIDEO
Measurement Point
output jack (75 Ω terminated)
Measuring Instrument
Oscilloscope
Adjustment Page
D
Adjustment Address
94
A = 286 ± 6 mV (NTSC)
Specified Value
A = 300 ± 6 mV (PAL)
Note1: Insert a plug in the S VIDEO output jack.
Note2: Perform "Composite Output Y Level Adjustment" and
"Composite Output Chroma Level Adjustment" before this
adjustment.
Adjusting method:
1) Set data: 01 to page: 0, address: 01.
2) Change the data of page: D,a ddress: 94, and set the burst signal
level(A) to the specified value.
3) Press the PAUSE button of the adjusting remote commander.
4) Set data: 00 to page: 0, address: 01.
Fig. 5-3-11.
H

4. S-Y Output Level Adjustment (CB-58 Board)

Set the Y signal level of the S video output signal.
Mode
Signal
Measurement Point
Measuring Instrument
Adjustment Page
Adjustment Address
Specified Value
Note1: Insert a plug in the S VIDEO output jack.
Adjusting method:
1) Set data: 01 to page: 0, address: 01.
2) Change the data of page: D, address: 95, and set the sync signal
level (A) to the specified value.
3) Press the PAUSE button of the adjusting remote commander.
4) Set data: 00 to page: 0, address: 01.
A
5–50
VTR stop
No signal
Y signal terminal of S VIDEO output jack
(75 Ω terminated)
Oscilloscope
D
95
A = 286 ± 6 mV (NTSC)
A = 300 ± 6 mV (PAL)
H
Fig. 5-3-12.
A