Sony Handycam Vision CCD-TRV300E, Service Manual

Page: 111 / 167

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6. V-COM Level Adjustment (PD-92 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-92 board
Measuring instrument Oscilloscope
Adjustment page E
Adjustment address D5
Specified value A = 6.43
±
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.
Fig. 5-1-25.
A
2H
7. Color Adjustment (PD-92 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: E, address: D9, and set the same data as page: E,
address: D0, and press the PAUSE button of the adjusting remote
commander.
7) Select page: 3, address: 01, set data: 00, and press the PAUSE
button of the adjusting remote commander.
8) Select page: 2, address: 7D, and set data: 00.
9) Select page: 0, address: 01, and set data: 00.
Mode VTR stop
Signal No signal
Measurement point Pin
3
of CN5501 (VG) of PD-92
board
External trigger : Pin
4
of CN5501
(PANEL COM)
Measuring instrument Oscilloscope
Adjustment page E
Adjustment address D0, D9
Specified value A = 0.12
±
0.05V
Fig. 5-1-26.
White
Green
A
2H