V-Com Level Adjustment (Pd-100 Board); Color Adjustment (Pd-100 Board) - Sony DCR-TRV5 Service Manual

7. V-COM Level Adjustment (PD-100 board)

Set the common electrode drive signal level of LCD to the specified
value.
Mode VTR playback
Signal Alignment tape:
Pin 4 of CN5501 (PANEL COM)
Measurement Point
Measuring Instrument Oscilloscope
Adjustment Page D
Adjustment Address 64
Specified Value A = 4.90 ± 0.05V
Note: Perform "Bright Adjustment" and "Contrast Adjustment" before this
adjustment.
Adjusting method:
1) Select page: 0, address: 01, and set data: 01.
2) Select page: D, address: 64, change the data and set the PANEL
COM signal level (A) to the specified value.
3) Press the PAUSE button of the adjustment remote commander.
4) Select page: 0, address: 01, and set data: 00.
Fig. 5-1-20
For audio operation check
(XH5-3 (NTSC))
(XH5-3P (PAL))
2H

8. Color Adjustment (PD-100 board)

Set the color saturation to the standard value. If deviated, the color
will be to dark or light.
Mode
Signal
Measurement Point
Measuring Instrument
Adjustment Page
Adjustment Address
Specified Value
Adjusting method:
1) Select page: 0, address: 01, and set data: 01.
2) Select page: 2, address: 1F, set data: 02.
3) NTSC model:
Select page: D, address: 6D, change the data and set the voltage
(A) between the white and green to the specified value.
PAL model:
Select page: D, address: 6D, change the data and set the voltage
(A) between the yellow and green to the specified value.
4) Press the PAUSE button of the adjustment remote commander.
A
5) Select page: 2, address: 1F, set data: 00.
6) Select page: 0, address: 01, and set data: 00.
For NTSC model
White (75%)
A
For PAL model
Yellow
A
5-24
VTR playback
Alignment tape:
For audio operation check
(XH5-3 (NTSC))
(XH5-3P (PAL))
Pin 3 of CN5501 (VG)
External trigger : Pin 4 of CN5501
(PANEL COM)
Oscilloscope
D
6D
A = 0.15 ± 0.05V (NTSC)
A = 0.20 ± 0.05V (PAL)
Green
2H
Green
2H
Fig. 5-1-21