Sony DCR-DVD100 / DCR-DVD100E (serv.man4) Service Manual ▷ View online
6-27
DCR-DVD100/DVD100E
1-4.
COLOR ELECTRONIC VIEWFINDER SYSTEM
ADJUSTMENT
ADJUSTMENT
Note1:
When replacing the LCD unit, be careful to prevent damages
caused by static electricity.
caused by static electricity.
Note2:
Before performing the adjustments, check the data of page: 0,
address: 10 is “00”. If not, set data: 00 to this address.
address: 10 is “00”. If not, set data: 00 to this address.
Note3:
As the PANEL CLOSE switch is attached to the cabinet (R), this
cabinet must be attached when performing adjustments.
If you perform the adjustments with cabinet (R) removed, set the
following data.
1) Select page: 3, address: 00, and set data: 00.
2) Select page: 3, address: 02, set data: 02, and press PAUSE button.
Reset the data after completing adjustment.
1) Select page: 3, address: 00, and set data: 00.
2) Select page: 3, address: 02, set data: 00, and press PAUSE button.
cabinet must be attached when performing adjustments.
If you perform the adjustments with cabinet (R) removed, set the
following data.
1) Select page: 3, address: 00, and set data: 00.
2) Select page: 3, address: 02, set data: 02, and press PAUSE button.
Reset the data after completing adjustment.
1) Select page: 3, address: 00, and set data: 00.
2) Select page: 3, address: 02, set data: 00, and press PAUSE button.
Note4:
NTSC model: DCR-DVD100
PAL model: DCR-DVD100E
PAL model: DCR-DVD100E
Switch setting:
LCD panel .................................................................... Closed
[Adjusting connector]
Most of the measuring points for adjusting the viewfinder system
are concentrated in CN1003 of VC-307 board.
Connect the Measuring Instruments via the CPC-8 jig (J-6082-388-
A).
The following table shows the Pin No. and signal name of CN1003.
Pin No.
Most of the measuring points for adjusting the viewfinder system
are concentrated in CN1003 of VC-307 board.
Connect the Measuring Instruments via the CPC-8 jig (J-6082-388-
A).
The following table shows the Pin No. and signal name of CN1003.
Pin No.
Fig. 6-1-14.
Table 6-1-10.
Pin No.
1
3
5
7
9
11
13
15
17
19
Signal Name
GND
PANEL VG
XHD/PSIG
EVF VCO
D 3.1V
MS XIN
MS BS
MS SCLK
C PIO5
S TXD
Pin No.
2
4
6
8
10
12
14
16
18
20
Signal Name
GND
H START
EVF VG
EVF BL
LANC SIG
MS DIO
MS VCC ON
ACCESS LED
C PIO4
S RXD
COVER
COVER
20
2
19
1
Remove the CPC lid (bottom).
6-28
DCR-DVD100/DVD100E
1. VCO Adjustment (VC-307 board)
Set the VCO free-run frequency. If deviated, the EVF screen will be
blurred.
blurred.
Mode
MOVIE (
)
Subject
Arbitrary
Measurement Point
Pin 7 of CN1003 (EVF VCO)
Measuring Instrument
Frequency counter
Adjustment Page
B
Adjustment Address
51, 52
Specified Value
f = 15734
±
30Hz (NTSC)
f = 15625
±
30Hz (PAL)
Note1:
The data of page: 0, address: 10 must be “00”.
Note2:
Refer to “Table 6-3-1. Hexadecimal-decimal Conversion Table”.
Adjusting method for NTSC model:
Order Page Address Data
Procedure
1
0
01
01
Set the data.
2
B
51
Change the data and set the VCO
frequency (f) to the specified
value.
frequency (f) to the specified
value.
3
B
51
Press PAUSE button.
4
B
51
Read the data, and this data is
named D
named D
51
.
5
Convert D
51
to decimal notation,
and obtain D
51
’. (Note2)
6
Calculate D
52
’ using following
equations (Decimal calculation)
When D
When D
51
’ 231
D
52
’ = D
51
’ + 24
When D
51
’ > 231
D
52
’ = 255
7
Convert D
52
’ to a hexadecimal
number, and obtain D
52
. (Note2)
8
B
52
D
52
Set the data, and press PAUSE
button.
button.
9
0
01
00
Set the data.
Adjusting method for PAL model:
Order Page Address Data
Procedure
1
0
01
01
Set the data.
2
B
52
Change the data and set the VCO
frequency (f) to the specified
value.
frequency (f) to the specified
value.
3
B
52
Press PAUSE button.
4
B
52
Read the data, and this data is
named D
named D
52
.
5
Convert D
52
to decimal notation,
and obtain D
52
’. (Note2)
6
Calculate D
51
’ using following
equations (Decimal calculation)
When D
When D
52
’ 24
D
51
’ = D
52
’– 24
When D
52
’ < 24
D
51
’ = 0
7
Convert D
51
’ to a hexadecimal
number, and obtain D
51
. (Note2)
8
B
51
D
51
Set the data, and press PAUSE
button.
button.
9
0
01
00
Set the data.
6-29
DCR-DVD100/DVD100E
2. RGB AMP Adjustment (VC-307 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).
specified value. If deviated, the LCD screen will become blackish
or saturated (whitish).
Mode
MOVIE (
)
Subject
Arbitrary
Measurement Point
Pin 6 of CN1003 (EVF VG)
Measuring Instrument
Oscilloscope
Adjustment Page
B
Adjustment Address
54
Specified Value
A = 7.20
±
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
B
54
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
B
54
Press PAUSE button.
4
0
01
00
Set the data.
3. Contrast Adjustment (VC-307 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).
Mode
MOVIE (
)
Subject
Arbitrary
Measurement Point
Pin 6 of CN1003 (EVF VG)
Measuring Instrument
Oscilloscope
Adjustment Page
B
Adjustment Address
58
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
B
58
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
B
58
Press PAUSE button.
4
0
01
00
Set the data.
Fig. 6-1-15.
Fig. 6-1-16.
Pedestal
Pedestal
A
2H
100 IRE
Pedestal
A
2H
6-30
DCR-DVD100/DVD100E
4. White Balance Adjustment (VC-307 board)
Correct the white balance.
If deviated, the reproduction of the EVF screen may degenerate.
If deviated, the reproduction of the EVF screen may degenerate.
Mode
MOVIE (
)
Subject
Arbitrary
Measurement Point
Check on EVF screen
Measuring Instrument
Adjustment Page
B
Adjustment Address
56, 57
Specified Value
The EVF screen should not be colored.
Note1:
Check the white balance only when replacing the following parts.
If necessary, adjust them.
1. LCD panel
2. Light induction plate
3. IC2201
If necessary, adjust them.
1. LCD panel
2. Light induction plate
3. IC2201
Note2:
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
B
56
8D
Set the data, and press PAUSE
button.
button.
3
B
57
73
Set the data, and press PAUSE
button.
button.
4
B
57
Check that the EVF screen is not
colored. If not colored, proceed to
step 10.
colored. If not colored, proceed to
step 10.
5
B
56
Change the data so that the EVF
screen is not colored.
screen is not colored.
6
B
56
Press PAUSE button.
7
B
57
Change the data so that the EVF
screen is not colored.
screen is not colored.
8
B
57
Press PAUSE button.
9
B
57
If the EVF screen is colored,
repeat steps 5 to 9.
repeat steps 5 to 9.
10
0
01
00
Set the data.
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