Sony HVR-V1U Service Manual page 236

6. Contrast Adjustment (OO-003 board)
Set the video signal level for driving the LCD to the specified
value.
If deviated, the EVF screen image will be blackish or saturated
(whitish).
Mode CAMERA
Subject Not required
Measurement Point Pin 5 of CN1014 (EVF_VG) on
TT-003 board
Measuring Instrument Oscilloscope
Adjustment Page C
Adjustment Address 3C, 77
A = 2.30 ± 0.05 Vp-p
Specified Value
Note: Check that the data of page: 0, address: 10 is "00".
Adjusting method:
Order Page Address Data
1 0 01 01
2 3 71 01
3 C 77
4 C 77
5 C 77
6 C 3C D
7 3 70 10
8 3 70
9 0 01 00
3 steps peak
A
Pedestal
A: Between the pedestal and 3 steps peak
Fig. 6-1-29
HVR-V1J/V1U/V1N/V1E/V1P/V1C
Procedure
Press PAUSE (Write) button.
Change the data and set the
voltage (A) to the specified
value. (The data should be
"00" to "7F".)
Press PAUSE (Write) button.
Read the data and this data is
named D .
77
Press PAUSE (Write) button.
77
Press PAUSE (Write) button.
Check the data changes to
"11".
2H
7. White Balance Adjustment (OO-003 board)
Correct the white balance.
If deviated, the EVF screen color cannot be reproduced.
Mode
Subject
Measurement Point
Measuring Instrument
Adjustment Page
Adjustment Address
Specified Value
Note 1: Check that the data of page: 0, address: 10 is "00".
Note 2: Check the white balance only when replacing the fol-
lowing parts. If necessary, adjust them.
1. LCD panel
2. Light induction plate
3. IC6601
Adjusting method:
Order Page Address Data
1 0 01
2 3 71
3 C 3A
4 C 3B
5
3A
6 C
3B
7 3 70
8 3 70
9 0 01
Note 3: To write in the non-volatile memory (EEPROM), press
the PAUSE (Write) button each time to set the data.
The data of page: C, address: 3A should be "66" to "B2".
The data of page: C, address: 3B should be "60" to "A6".
6-78
CAMERA
Not required
Check on EVF screen
C
3A, 3B
EVF screen must not be colored
Procedure
01
01 Press PAUSE (Write) button.
80 Press PAUSE (Write) button.
80 Press PAUSE (Write) button.
Check that the EVF screen is
not colored. If not colored,
proceed to step 6.
Change the data so that the
EVF screen is not colored.
(Note 3)
10 Press PAUSE (Write) button.
Check the data changes to
"11".
00