Sony CCD TRV16 - Hi8 Handycam Camcorder, Service Manual, Page: 113 / 177

6. V-COM Adjustment (PD-107 board)
Set the common electrode drive signal level of LCD to the specified
value.
Mode VTR stop
Signal No signal
Measurement point Pin
4
of CN5501
(PANEL COM) of PD-107 board
Measuring instrument Oscilloscope
Adjustment page E
Adjustment address D5
Specified value A = 6.50 ± 0.05V
Note1 :
Perform “Bright Adjustment” and “Contrast Adjustment”
before this adjustment.
Adjusting method:
1) Select page: 0, address: 01, and set data: 01.
2) Select page: 3, address: 01, set data: 55, and press the PAUSE
button of the adjusting remote commander.
3) Select page: 2, address: 7D, and set data: 00.
4) Select page: E, address: D5, change the data and set the PANEL
COM signal level (A) to the specified value.
5) Press the PAUSE button of the adjusting remote commander.
6) Select page: 3, address: 01, set data: 00, and press the PAUSE
button of the adjusting remote commander.
7) Select page: 0, address: 01, and set data: 00.
7. Color Adjustment (PD-107 board)
Set the color saturation to the standard value. If deviated, the color
will be to dark or light.
Adjusting method:
1) Select page: 0, address: 01, and set data: 01.
2) Select page: 3, address: 01, set data: 57, and press the PAUSE
button of the adjusting remote commander.
3) Select page: 2, address: 7D, and set data: 20.
4) Select page: E, address: D0, change the data and set the voltage
(A) between the green and white to the specified value.
5) Press the PAUSE button of the adjusting remote commander.
6) Select page: 3, address: 01, set data: 00, and press the PAUSE
button of the adjusting remote commander.
7) Select page: 2, address: 7D, and set data: 00.
8) Select page: 0, address: 01, and set data: 00.
Mode VTR stop
Signal No signal
Measurement point Pin
3
of CN5501 (VG) of PD-107
board
External trigger : Pin
4
of CN5501
(PANEL COM)
Measuring instrument Oscilloscope
Adjustment page E
Adjustment address D0
Specified value A = 0.07 ± 0.05V
Fig. 5-1-27.
Fig. 5-1-26.
White
Green
A
2H
A
2H