Sony DCR-VX2100 / DCR-VX2100E (serv.man4) Service Manual ▷ View online
6-30
DCR-VX2100/VX2100E
2. Bright Adjustment (VC-358 board)
Set the D range of the RGB decoder used to drive the LCD to the
specified value. If deviated, the LCD screen will become blackish
or saturated (whitish).
Set the D range of the RGB decoder used to drive the LCD to the
specified value. If deviated, the LCD screen will become blackish
or saturated (whitish).
Mode
Camera
Subject
Arbitrary
Measurement Point
Pin qk of CN007 (EVF VG)
Measuring Instrument
Oscilloscope
Adjustment Page
D
Adjustment Address
95
Specified Value
A = 7.30
±
0.05V
Adjusting method:
Order Page Address Data
Procedure
1
0
01
01
Set the data.
2
D
95
Change the data and set the
voltage (A) between the reversed
waveform pedestal and non-
reversed waveform pedestal to
the specified value.
voltage (A) between the reversed
waveform pedestal and non-
reversed waveform pedestal to
the specified value.
3
D
95
Press PAUSE button.
4
0
01
00
Set the data.
3. Contrast Adjustment (VC-358 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).
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).
Mode
Camera
Subject
Arbitrary
Measurement Point
Pin qk of CN007 (EVF VG)
Measuring Instrument
Oscilloscope
Adjustment Page
D
Adjustment Address
99
Specified Value
A=2.35
±
0.05V
Adjusting method:
Order Page Address Data
Procedure
1
0
01
01
Set the data.
2
D
99
Change the data and set the
voltage (A) between the 3 steps
peak and pedestal to the
specified value.
(The data should be “00” to “7F”.)
voltage (A) between the 3 steps
peak and pedestal to the
specified value.
(The data should be “00” to “7F”.)
3
D
99
Press PAUSE button.
4
0
01
00
Set the data.
Pedestal
Pedestal
A
2H
3 steps peak
Pedestal
A
2H
Fig. 6-1-18.
Fig. 6-1-19.
6-31
DCR-VX2100/VX2100E
4. White Balance Adjustment (VC-358 board)
Correct the white balance.
If deviated, the reproduction of the EVF screen may degenerate.
Correct the white balance.
If deviated, the reproduction of the EVF screen may degenerate.
Mode
Camera
Subject
Arbitrary
Measurement Point
Check on EVF screen
Measuring Instrument
Adjustment Page
D
Adjustment Address
97, 98
Specified Value
The EVF screen should not be
colored.
colored.
Note1: Check the white balance only when replacing the following parts.
If necessary, adjust them.
1. LCD panel
2. Light induction plate
3. IC1802
2. Light induction plate
3. IC1802
Note2: Use the AC power adaptor.
Adjusting method:
Order Page Address Data
Procedure
1
0
01
01
Set the data.
2
D
97
90
Set the data, and press PAUSE
button.
button.
3
D
98
80
Set the data, and press PAUSE
button.
button.
4
D
98
Check that the EVF screen is not
colored. If not colored, proceed
to step 10.
colored. If not colored, proceed
to step 10.
5
D
97
Change the data so that the EVF
screen is not colored.
screen is not colored.
6
D
97
Press PAUSE button.
7
D
98
Change the data so that the EVF
screen is not colored.
screen is not colored.
8
D
98
Press PAUSE button.
9
D
98
If the EVF screen is colored,
repeat steps 5 to 9.
repeat steps 5 to 9.
10
0
01
00
Set the data.
1-5.
LCD SYSTEM ADJUSTMENT
Note 1: The back light (fluorescent tube) is driven by a high voltage AC
power supply. Therefore, do not touch the back light holder to
avoid electrical shock.
avoid electrical shock.
Note 2: When replacing the LCD unit, be careful to prevent damages
caused by static electricity.
[Adjusting connector]
Most of the measuring points for adjusting the LCD system are
concentrated in CN2105 of the PD-217 board. The following table
shows the Pin No. and signal name of CN2105.
Most of the measuring points for adjusting the LCD system are
concentrated in CN2105 of the PD-217 board. The following table
shows the Pin No. and signal name of CN2105.
Table 6-1-8.
Pin No.
1
2
3
4
5
Signal Name
VG
COM
GND
PSIG
HSY
PD-217 board
CN2105
1
5
Fig. 6-1-20.
6-32
DCR-VX2100/VX2100E
2. Bright Adjustment (PD-217 board)
Set the D range of the RGB decoder used to drive the LCD to the
specified value. If deviated, the LCD screen will become blackish
or saturated (whitish).
Set the D range of the RGB decoder used to drive the LCD to the
specified value. If deviated, the LCD screen will become blackish
or saturated (whitish).
Mode
VTR stop
Signal
No signal
Measurement Point
Pin 1 of CN2105 (VG)
Measuring Instrument
Oscilloscope
Adjustment Page
D
Adjustment Address
A5
Specified Value
A = 6.80
±
0.05V
Adjusting method:
Order Page Address Data
Procedure
1
0
01
01
Set the data.
2
D
A5
Change the data and set the
voltage (A) between the reversed
waveform pedestal and non-
reversed waveform pedestal to
the specified value.
voltage (A) between the reversed
waveform pedestal and non-
reversed waveform pedestal to
the specified value.
3
D
A5
Press PAUSE button.
4
0
01
00
Set the data.
Pedestal
Pedestal
A
2H
Fig. 6-1-21.
1. VCO Adjustment (PD-217 board)
Set the VCO free-run frequency. If deviated, the LCD screen will
be blurred.
Set the VCO free-run frequency. If deviated, the LCD screen will
be blurred.
Mode
VTR stop
Signal
No signal
Measurement Point
Pin 5 of CN2105 (HSY)
Measuring Instrument
Frequency counter
Adjustment Page
D
Adjustment Address
A2, A3
Specified Value
f = 15734
±
30Hz (NTSC)
f = 15625
±
30Hz (PAL)
Note1: NTSC: DCR-VX2100
PAL:
DCR-VX2100E
Adjusting method:
Order Page Address Data
Procedure
1
0
01
01
Set the data.
2
D
A2
Change the data and set the
VCO frequency (f) to the
specified value.
VCO frequency (f) to the
specified value.
3
D
A2
Press PAUSE button.
4
D
A2
Read the data, and this data is
named D
named D
A2
.
5
Convert D
A2
to decimal notation,
and obtain D
A2
'. (Note2)
6
Calculate D
A3
' using following
equations (Decimal calculation)
NTSC model:
When D
NTSC model:
When D
A2
' 234
D
A3
' = D
A2
' + 21
When D
A2
' > 234
D
A3
' = 255
PAL model:
When D
When D
A2
' 21
D
A3
' = D
A2
' – 21
When D
A2
' < 21
D
A3
' = 00
7
Convert D
A3
' to a hexadecimal
number, and obtain D
A3
. (Note2)
8
D
A3
D
A3
Set the data, and press PAUSE
button.
button.
9
0
01
00
Set the data.
Note2: Refer to “Table 6-4-1. Hexadecimal-decimal Conversion Table”.
6-33
DCR-VX2100/VX2100E
3. Black Limit Adjustment (PD-217 board)
Set the dynamic range of the LCD driver to an appropriate level. If
deviated, the LCD screen will become blackish or saturated
(whitish).
Set the dynamic range of the LCD driver to an appropriate level. If
deviated, the LCD screen will become blackish or saturated
(whitish).
Mode
VTR stop
Signal
No signal
Measurement Point
Pin 4 of CN2105 (PSIG)
Measuring Instrument
Oscilloscope
Adjustment Page
D
Adjustment Address
A6
Specified Value
A = 7.60
±
0.05V
Adjusting method:
Order Page Address Data
Procedure
1
0
01
01
Set the data.
2
2
0E
61
Set the data.
3
2
0F
Set the following data.
5B: DCR-VX2100 (NTSC)
53: DCR-VX2100E (PAL)
5B: DCR-VX2100 (NTSC)
53: DCR-VX2100E (PAL)
4
D
A6
Change the data and set the
PSIG signal amplitude (A) to the
specified value.
(The data should be “00” to
“0F”.)
PSIG signal amplitude (A) to the
specified value.
(The data should be “00” to
“0F”.)
5
D
A6
Press PAUSE button.
6
2
0E
00
Set the data.
7
2
0F
00
Set the data.
8
0
01
00
Set the data.
A
V
Fig. 6-1-22.
4. PSIG GRAY Adjustment (PD-217 Board)
Set the PSIG signal level to an appropriate level.
Set the PSIG signal level to an appropriate level.
Mode
VTR stop
Signal
No signal
Measurement Point
Pin 4 of CN2105 (PSIG)
Measuring Instrument
Oscilloscope
Adjustment Page
D
Adjustment Address
A7
Specified Value
A = 5.00
±
0.05V
Adjusting method:
Order Page Address Data
Procedure
1
0
01
01
Set the data.
2
D
A7
Change the data and set the PSIG
signal level (A) to the specified
value.
signal level (A) to the specified
value.
3
D
A7
Press PAUSE button.
4
0
01
00
Set the data.
Fig. 6-1-23.
A
2H
Click on the first or last page to see other DCR-VX2100 / DCR-VX2100E (serv.man4) service manuals if exist.