Read Sony DCR-HC14E / DCR-HC15 / DCR-HC15E (serv.man4) Service Manual online
6-30
DCR-HC14E/HC15/HC15E
3. Contrast Adjustment (VA-118 board)
Set the level of the VIDEO signal for driving the LCD to the specified
value. If deviated, the screen image will be blackish or saturated
(whitish).
value. If deviated, the screen image will be blackish or saturated
(whitish).
Note:
Do either of the automatic adjustment or the manual adjustment.
3-1. Automatic Adjustment
Mode
Camera
Subject
Arbitrary
Adjustment Page
C
Adjustment Address
3E
Note:
The data of page: 0, address: 10 must be “00”.
Adjusting method:
Order Page Address Data
Procedure
1
0
01
01
Set the data.
2
3
01
51
Set the data, and press PAUSE
button.
button.
3
3
02
Check that the data changes from
“51” to “00”.
“51” to “00”.
4
3
01
00
Set the data, and press PAUSE
button.
button.
5
0
01
00
Set the data.
3-2. Manual Adjustment
Mode
Camera
Subject
Arbitrary
Measurement Point
Pin qd of CN1004 of VC-311 board
(EVF VG)
(EVF VG)
Measuring Instrument
Oscilloscope
Adjustment Page
C
Adjustment Address
3E
Specified Value
A = 2.50 ± 0.10V
Note:
The data of page: 0, address: 10 must be “00”.
Adjusting method:
Order Page Address Data
Procedure
1
0
01
01
Set the data.
2
C
3E
Change the data and set the
voltage (A) between the 100 IRE
and 0 IRE (pedestal) to the
specified value. (The data should
be “00” to “7F”.)
voltage (A) between the 100 IRE
and 0 IRE (pedestal) to the
specified value. (The data should
be “00” to “7F”.)
3
C
3E
Press PAUSE button.
4
0
01
00
Set the data.
100 IRE
Pedestal
A
2H
Fig. 6-1-17.
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