Center Voltage Adjustment (Pd-125 Board); White Balance Adjustment (Pd-125 Board) - Sony DSR-50P Service Manual

6. Center Voltage Adjustment (PD-125 Board)

Mode E-E
Signal Arbitrary
Measurement Point Pin 5 of CN505 on FR-157 board
(VG)
Measuring Instrument Digital voltmeter
Adjustment Page E
Adjustment Address 85
Specified Value A = 5.50 ± 0.10 V
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: E, address: 85, change the data and adjust the
voltage (A) between the pin 5 (VG) of CN505 board and pin
3 (GND) of CN505 on FR-157 to the specified value.
5) Press the PAUSE button of the adjustment remote commander.
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)

Mode
Signal
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. 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: E, address: 80 and 81, and set 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
80
81
5) Check that the LCD screen is not colored. If colored, change
the data of page: E, 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 of the adjustment remote commander
each time to set the data.
6) Select page: 3, address: 22, set data: 00, and press the PAUSE
button of the adjustment remote commander.
7) Select page: 3, address: 0C, set data: 00, and press the PAUSE
button.
8) Select page: 0, address: 01, and set data: 00.
5-89
E-E
Arbitrary
Check on LCD screen
E
80, 81
LCD screen must not be colored
Data
NTSC PAL
93 94
7C 7D