Back Light Adjustment (Vc-284 Board); Rgb Amp Adjustment (Vc-284 Board) - Sony DCR-PC101E Service Manual

2. Back Light Adjustment (VC-284 board)

Set the back light luminance.
If deviated, the image may become dark or bright.
Mode CAMERA
Subject Not required
Measurement Point Pin 3 of CN1006 (EVF_LED_DA)
Measuring Instrument Digital voltmeter
Adjustment Page C
Adjustment Address 4F, 50
A = 2.10 ± 0.05 Vdc
Specified Value
Note 1: Check that the data of page: 0, address: 10 is "00".
Adjusting method:
Order Page Address Data
1 0 01 01
2 3 0C 20
3 3 22 11
4 C 50
5 C 50
6 C 50
7
8
9
10 C 4F D
11 3 0C 00
12 3 22 00
13 0 01 00
Note 2: Refer to table 5-4-1. "Hexadecimal-decimal conversion
table"
Procedure
Press PAUSE button.
Press PAUSE button.
Change the data and set the
DC voltage (A) to the
specified value.
Press PAUSE button.
Read the data and this data is
named D .
50
Convert D to decimal
50
notation, and obtain D '.
50
(Note 2)
Calculate D ' using
4F
following equations.
(decimal calculation)
D ' = D '– 96
4F 50
Convert D ' to a hexadeci-
4F
mal number, and obtain D
(Note 2)
Press PAUSE button.
4F
Press PAUSE button.
Press PAUSE button.

3. RGB AMP Adjustment (VC-284 board)

Set the D Range of the RGB decoder for driving the LCD to the
specified value.
If deviated, the EVF screen image will be blackish or saturated
(whitish).
Mode
Subject
Measurement Point
Measuring Instrument
Adjustment Page
Adjustment Address
Specified Value
Note: Check that the data of page: 0, address: 10 is "00".
Adjusting method:
Order Page Address Data
1 0
2 C
3 C
4 0
.
4F
A
Pedestal
A: Between the reversed waveform pedestal
and non-reversed waveform pedestal
5-35
DCR-PC101/PC101E
CAMERA
Not required
Pin 4 of CN1006 (EVF_VG)
Oscilloscope
C
54
A = 7.20 ± 0.1 Vp-p
Procedure
01 01
Change the data and set the
54
voltage (A) to the specified
value.
54 Press PAUSE button.
01 00
Pedestal
2H
Fig. 5-1-15