White Balance Adjustment (Vf-115 Board); Auto On Level Adjustment (Vf-115 Board) - Sony DCR-TRV7 Service Manual

6. White Balance Adjustment (VF-115 Board)

Correct the white balance.
If deviated, the reproduction of the EVF screen may degenerate.
Adjusting method:
1) Set data: 01 to page: 0, address: 01.
Camera
Mode
Arbitrary
Subject
Measurement point
Check on EVF screen
Measuring instrument
D
Adjustment page
70, 71
Adjustment address
The EVF screen should not be colored.
Specified value
2) Input the following data to page: D, address: 88 to 8D.
Note: To write in the non-volatile memory (EEPROM), press
the PAUSE button of the adjusting remote commander
each time to set the data.
3) Set the data of page: D, address: 70 and 71 to the initial value.
Note: To write in the non-volatile memory (EEPROM), press
Address 88 89
Data 00 27
the PAUSE button of the adjusting remote commander
each time to set the data.
4) Check that the EVF screen is not colored. If colored, change the
data of page: D, address: 70 and 71 so that the EVF screen is not
colored.
Note: To write in the non-volatile memory (EEPROM), press
Address 70 71
Data 70 60
the PAUSE button of the adjusting remote commander
each time to set the data.
5) Input the following data to page: D, address: 88 to 8D.
Note: To write in the non-volatile memory (EEPROM), press
the PAUSE button of the adjusting remote commander
each time to set the data.
6) Set data: 00 to page: 0, address: 01.

7. AUTO ON Level Adjustment (VF-115 Board)

Adjust the power save sensor, and maintain at the level at which the
backlight is AUTO ON.
Note 1: Backlight is lit: Approx. +1.8 Vdc
Address 88 89
Data 38 00
Backlight is not lit: Approx. –0.5 Vdc
Note 2: Do not perform this adjustment in strong light or under
lights.
8A 8B 8C 8D
00 00 00 00
8A 8B 8C 8D
20 20 02 00
Note 3: The specified value is the adjustment value during
adjustment. The specified value during operation check is
as follows.
Mode
Subject
Measurement point
Measuring instrument
Adjustment page
Adjustment address
Specified value
AUTO OFF distance: Above 9 cm, less than 15 cm
AUTO ON distance: Above 7 cm, less than 13 cm
Switch setting:
1) Set the "VF PW-SAVE" on the menu display to "ON".
Adjustment preparation:
1) Prepare a 30 cm X 30 cm white paper, and place it 10 cm away
from the EVF lens.
Adjusting method:
1) Set data: 01 to page: 0, address: 01.
2) Input the following data to page: D, address: 88 to 8D.
Note: To write in the non-volatile memory (EEPROM), press
the PAUSE button of the adjusting remote commander
each time to set the data.
3) Increase the data of page: D, address: 78, and turn on the
backlight.
4) Decrease the data of page: D, address: 78 slowly, and turn off
the backlight.
5) Press the PAUSE button of the adjusting remote commander.
6) Move the white paper away from the EVF lens and turn off the
backlight. Then move it to the lens slowly, and check that the
backlight lights up when the distance (AUTO ON distance) is
the specified value.
Address 88
Data 00
7) Move the white paper near the EVF lens so that the backlight
lights up. and then move it away, and check that the backlight
goes off when the distance (AUTO OFF distance) is the specified
value of Note 3.
8) Input the following data to page: D, address: 88 to 8D.
Note: To write in the non-volatile memory (EEPROM), press
the PAUSE button of the adjusting remote commander
each time to set the data.
9) Set data: 00 to page: 0, address: 01.
Address 88
Data 38
5–23
Camera
Arbitrary
Pin !¡ of CN9928 (VCO) on
CB-58 board (Note 1)
Oscilloscope (DC range)
D
78
AUTO ON distance:
Above 9 cm, less than 11 cm (Note2)
89 8A 8B 8C
00 00 00 00
89 8A 8B 8C
00 20 20 02
8D
00
8D
00