V-Com Adjustment (Pd-100 Board); White Balance Adjustment (Pd-100 Board) - Sony DCR-TRV5 Service Manual
Digital video camera recorder
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Also See for DCR-TRV5:
- Operating instructions manual (92 pages) ,
- Operating instructions manual (91 pages) ,
- Service manual (25 pages)
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9. V-COM Adjustment (PD-100 board)
Set the DC bias of the common electrode drive signal of LCD to the
specified value.
If deviated, the LCD display will move, producing flicker and
conspicuous vertical lines.
Mode
VTR stop
Signal
No signal
Measurement Point
Check on LCD display
Measuring Instrument
Adjustment Page
D
Adjustment Address
66
Specified Value
The brightness difference between the
section A and section B is minimum.
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: 2, address: 10, set data: 01, and press the PAUSE
button of the adjustment remote commander.
3) Select page: 2, address: 1F, and set data: 01.
4) Select page: D, address: 66, change the data so that the
brightness of the section A and that of the section B is equal.
5) Press the PAUSE button of the adjustment remote commander.
6) Select page: 2, address: 10, set data: 00, and press the PAUSE
button of the adjustment remote commander.
7) Select page: 2, address: 1F, and set data: 00.
8) Select page: 0, address: 01, and set data: 00.
Fig. 5-1-22
10. White Balance Adjustment (PD-100 board)
Correct the white balance.
If deviated, the LCD screen color cannot be reproduced.
Mode
Subject
Measurement Point
Measuring Instrument
Adjustment Page
Adjustment Address
Specified Value
Note: Check the white balance only when replacing the following parts. If
necessary, adjust them.
1. LCD panel
2. Light induction plate
3. IC5502
Adjusting method:
1) Select page: 0, address: 01, and set data: 01.
2) Input the following data to page: D, address: 80 to 83.
Note: Press the PAUSE button of the adjustment remote commander
each time to set the data.
Address
80
Data
00
3) Select page: D, address: 60 and 61, and set the data to the initial
value.
Note: To write in the non-volatile memory (EEPROM), press the
PAUSE button of the adjustment remote commander each time
to set the data.
Address
Data
4) Check that the LCD screen is not colored. If colored, change
the data of page: D, address: 60 and 61 so that the LCD screen
is not colored.
Note: To write in the non-volatile memory (EEPROM), press the
PAUSE button of the adjustment remote commander each time
to set the data.
5) Input the following data to page: D, address: 82 and 83. Note:
Press the PAUSE button of the adjustment remote commander
each time to set the data.
Address
80
Data
38
6) Select page: 0, address: 01, and set data: 00.
5-25
Camera E-E
Arbitrary
Check on LCD display
D
60, 61
The LCD screen should not be
colored.
81
82
83
27
00
00
60
61
8A
6A
81
82
83
00
20
20
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