Center Level Adjustment (Pd-125 Board); White Balance Adjustment (Pd-125 Board) - Sony DCR-PC100 Service Manual

6. Center Level Adjustment (PD-125 board)

Set the video signal center level of LCD panel to an appropriate
level.
Mode Camera
Subject Arbitrary
Measurement Point Pin 1 of CN8201 (VG)
Measuring Instrument Digital voltmeter
Adjustment Page D
Adjustment Address 85
Specified Value A = 5.5 ± 0.1Vdc
Adjusting method:
1) Select page: 0, address: 01, and set data: 01.
2) Select page: 3, address: 0C, set data: 60, and press the PAUSE
button of the adjustment remote commander.
3) Select page: 3, address: 22, set data: 08, and press the PAUSE
button.
4) Select page: D, address: 85, change the data and set the DC
voltage (A) of VG signal to the specified value.
5) Press the PAUSE button.
6) Select page: 3, address: 22, set data: 00, and press the PAUSE
button.
7) Select page: 3, address: 0C, set data: 00, and press the PAUSE
button.
8) Select page: 0, address: 01, and set data: 00.

7. White Balance Adjustment (PD-125 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 1: Check the white balance only when replacing the following parts.
If necessary, adjust them.
1. LCD panel
2. Light induction plate
3. IC8001
Adjusting method:
1) Select page: 0, address: 01, and set data: 01.
2) Select page: 3, address: 0C, set data: 60, and press the PAUSE
button of the adjustment remote commander.
3) Select page: 3, address: 22, set data: 0B, and press the PAUSE
button.
4) Select page: D, address: 80 and 81, set the data to the initial
value.
Note: Press the PAUSE button each time to set the data.
Address Data
80 9E
81 80
5) Check that the LCD screen is not colored. If colored, change
the data of page: D, address: 80 and 81 so that the LCD screen
is not colored.
Note: To write in the non-volatile memory (EEPROM), press the
PAUSE button each time to set the data.
6) Select page: 3, address: 22, set data: 00, and press the PAUSE
button.
7) Select page: 3, address: 0C, set data: 00, and press the PAUSE
button.
8) Select page: 0, address: 01, and set data: 00.
5-36
Camera
Arbitrary
Check on LCD display
D
80, 81
The LCD screen should not be colored.