Sony DSC-P3 (serv.man2) Service Manual ▷ View online
5-32
DSC-P3
1.
LCD Initial Data Input (1)
Mode
PLAY
Signal
Arbitrary
Adjustment Page
B
Adjustment Address
3A to 3F
Adjusting method:
1) Select page: 0, address: 01, and set data: 01.
2) Select page: B, and enter the data given in the following table.
1) Select page: 0, address: 01, and set data: 01.
2) Select page: B, and enter the data given in the following table.
Note:
Press the PAUSE button each time the data are set, as the
data are written to non-volatile memory (EEPROM).
data are written to non-volatile memory (EEPROM).
Address
Data
Remark
3A
59
3B
00
3C
04
Fixed data
3D
5B
3E
00
3F
02
Processing after Completing Adjustments:
1) Select page: 0, address: 01, and set data: 00.
1) Select page: 0, address: 01, and set data: 00.
2.
LCD Initial Data Input (2)
Mode
PLAY
Signal
Arbitrary
Adjustment Page
D
Adjustment Address
CE to DF
Adjusting method:
1) Select page: 0, address: 01, and set data: 01.
2) Select page: D, and enter the data given in the following table.
1) Select page: 0, address: 01, and set data: 01.
2) Select page: D, and enter the data given in the following table.
Note:
Press the PAUSE button each time the data are set, as the
data are written to non-volatile memory (EEPROM).
data are written to non-volatile memory (EEPROM).
Address
Data
Remark
CE
46
Fixed value
CF
B9
D0
76
Bright Adjustment
D1
C3
Color Adjustment
D2
60
White Blance Adjustment
D3
AA
D4
B9
Contrast Adjustment
D5
5C
Black Limit Adjustment
D6
AC
VG Center Adjustment
D7
5C
VCO Adjustment (NTSC)
D8
77
V-COM Adjustment
D9
B0
Fixed value
DA
61
PSIG Adjustment
DB
00
Fixed value
DC
4D
DD
6A
VCO Adjustment (PAL)
DE
A6
Fixed value
DF
B9
Processing after Completing Adjustments:
1) Select page: 0, address: 01, and set data: 00.
1) Select page: 0, address: 01, and set data: 00.
5-33
DSC-P3
3. VCO Adjustment (SY-73 Board)
Set the VCO free-run frequency. If deviated, the LCD screen will
be blurred.
be blurred.
Mode
PLAY
Signal
Arbitrary
Measurement Point
CH1: Pin 7 of CN902
(HSY)
CH2: Video terminal of A/V
OUTjack
(75
(75
Ω
terminated)
Measuring Instrument
Oscilloscope
Adjustment Page
D
Adjustment Address
D7 (NTSC)
DD (PAL)
DD (PAL)
Specified Value
T = 2.04
±
0.1
µ
s (NTSC)
T = 2.63
±
0.1
µ
s (PAL)
Menu setting:
1) VIDEO OUT of SET UP setting
1) VIDEO OUT of SET UP setting
.................................. NTSC (NTSC mode)
(This adjustment must be performed in NTSC mode, so don’t
set the menu setting to “PAL” )
set the menu setting to “PAL” )
Adjusting method:
Order Page Address Data
Procedure
1
0
01
01
Change the data and set the
2
D
D7
phase difference (T) to the
NTSC specified value.
NTSC specified value.
3
D
D7
Press PAUSE button.
Change the data and set the
4
D
DD
phase difference (T) to the
PAL specified value.
PAL specified value.
5
D
DD
Press PAUSE button.
Processing after Completing Adjustments:
Order Page Address Data
Procedure
1
0
01
00
H
T
CH2
magnified
CH1
CH2
CH1
T: Between the center of HSY signal rising and
VIDEO SYNC signal rising
Fig. 5-1-20
5-34
DSC-P3
2H
A
A: Between the reversed waveform peak and non-reversed
waveform peak
4. Black Limit Adjustment (SY-73 Board)
Set the maximum amplitude of the RGB decoder for driving the
LCD to the specified value.
If deviated, the LCD screen image will be blackish or saturated
(whitish).
LCD to the specified value.
If deviated, the LCD screen image will be blackish or saturated
(whitish).
Mode
PLAY
Signal
Arbitrary
Measurement Point
Pin 9 of CN902 (VG)
External trigger: Pin 8 of CN706
(PANEL COM)
External trigger: Pin 8 of CN706
(PANEL COM)
Measuring Instrument
Oscilloscope
Adjustment Page
D
Adjustment Address
D5
Specified Value
A = 8.20
±
0.1 Vp-p
Adjusting method:
Order Page Address Data
Procedure
1
0
01
01
2
4
F1
03
3
D
D0
20
Set the data.
(Don’t press PAUSE button.)
(Don’t press PAUSE button.)
Change the data and set the
4
D
D5
voltage (A) to the specified
value.
value.
5
D
D5
Press PAUSE button.
Processing after Completing Adjustments:
Order Page Address Data
Procedure
1
4
F1
00
2
0
01
00
Fig. 5-1-21
5-35
DSC-P3
5. Bright Adjustment (SY-73 Board)
Set the amplitude of the RGB decoder for driving the LCD to the
specified value.
If deviated, the LCD screen image will be blackish or saturated
(whitish).
specified value.
If deviated, the LCD screen image will be blackish or saturated
(whitish).
Mode
PLAY
Signal
Arbitrary
Measurement Point
Pin 9 of CN902 (VG)
External trigger: Pin 8 of CN706
(PANEL COM)
External trigger: Pin 8 of CN706
(PANEL COM)
Measuring Instrument
Oscilloscope
Adjustment Page
D
Adjustment Address
D0
Specified Value
A = 7.96
±
0.1 Vp-p
Adjusting method:
Order Page Address Data
Procedure
1
0
01
01
2
4
F1
03
Change the data and set the
3
D
D0
voltage (A) to the specified
value.
value.
4
D
D0
Press PAUSE button.
5
D
D0
Read the data and this data is
named Dref.
named Dref.
6
Convert Dref to decimal
notation, and obtain Dref’.
(Note)
notation, and obtain Dref’.
(Note)
7
Calculate D
CE
’ and D
DE
’ using
following equations.
(decimal calculation)
D
(decimal calculation)
D
CE
’ = Dref’ – 48
D
DE
’ = Dref’ + 48
8
Convert D
CE
’ and D
DE
’ to
hexadecimal numbers, and
obtain D
obtain D
CE
and D
DE
. (Note)
9
D
CE
D
CE
Press PAUSE button.
10
D
DE
D
DE
Press PAUSE button.
Note:
Refer to table 5-2-2. “Hexadecimal-decimal conversion
table”.
table”.
Processing after Completing Adjustments:
Order Page Address Data
Procedure
1
4
F1
00
2
0
01
00
2H
Pedestal
Pedestal
A
A: Between the reversed waveform pedestal and non-reversed
waveform pedestal
Fig. 5-1-22
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