Sony DSC-S30 / DSC-S50 (serv.man2) Service Manual ▷ View online
5-28
Fig. 5-1-23
A
2H
Green
White 100%
A
2H
10 steps peak
Pedestal
Fig. 5-1-22
6. Color Adjustment (PD-127 Board)
Set the color saturation to the standard value.
If, deviated, the color will be dark or light.
If, deviated, the color will be dark or light.
Mode
PLAY
Signal
Arbitrary
Measurement Point
Pin 9 of CN709 (VG) on SY-58
board
External trigger: Pin 8 of CN709
(PANEL COM) on SY-58 board
board
External trigger: Pin 8 of CN709
(PANEL COM) on SY-58 board
Measuring Instrument
Oscilloscope
Adjustment Page
D
Adjustment Address
D1
Specified Value
A = 544 ± 50 mVp-p
Adjusting method:
1) Select page: 0, address: 01, and set data: 01.
2) Select page: 5, address: F1, and set data: 04.
3) Select page: D, address: D1, change the data and set the volt-
1) Select page: 0, address: 01, and set data: 01.
2) Select page: 5, address: F1, and set data: 04.
3) Select page: D, address: D1, change the data and set the volt-
age (A) between the white 100% (Reference level) and green
to the specified value.
to the specified value.
4) Press the PAUSE button of the adjusting remote commander.
Processing after Completing Adjustments:
1) Select page: 5, address: F1, and set data: 00.
2) Select page: 0, address: 01, and set data: 00.
1) Select page: 5, address: F1, and set data: 00.
2) Select page: 0, address: 01, and set data: 00.
5. Contrast Adjustment (PD-127 Board)
Set the level of the VIDEO signal for driving the LCD to the speci-
fied value.
If deviated, the LCD screen image will be blackish or saturated
(whitish).
fied value.
If deviated, the LCD screen image will be blackish or saturated
(whitish).
Mode
PLAY
Signal
Arbitrary
Measurement Point
Pin 9 of CN709 (VG) on SY-58
board
External trigger: Pin 8 of CN709
(PANEL COM) on SY-58 board
board
External trigger: Pin 8 of CN709
(PANEL COM) on SY-58 board
Measuring Instrument
Oscilloscope
Adjustment Page
D
Adjustment Address
D4
Specified Value
A = 3.31 ± 0.07 Vp-p
Adjusting method:
1) Select page: 0, address: 01, and set data: 01.
2) Select page: 5, address: F1, and set data: 03.
3) Select page: D, address: D4, change the data and set the volt-
1) Select page: 0, address: 01, and set data: 01.
2) Select page: 5, address: F1, and set data: 03.
3) Select page: D, address: D4, change the data and set the volt-
age (A) between the pedestal and 10 steps peak to the speci-
fied value.
fied value.
4) Press the PAUSE button of the adjusting remote commander.
Processing after Completing Adjustments:
1) Select page: 5, address: F1, and set data: 00.
2) Select page: 0, address: 01, and set data: 00.
1) Select page: 5, address: F1, and set data: 00.
2) Select page: 0, address: 01, and set data: 00.
5-29
Fig. 5-1-24
A
2H
Fig. 5-1-25
A
A
A
A
B
B
B
B
7. V-COM Level Adjustment (PD-127 Board)
Set the common electrode drive signal level of LCD to the speci-
fied value.
fied value.
Mode
PLAY
Signal
Arbitrary
Measurement Point
Pin 8 of CN709 (PANEL COM)
on SY-58 board
on SY-58 board
Measuring Instrument
Oscilloscope
Adjustment Page
D
Adjustment Address
D6
Specified Value
A = 6.50 ± 0.05 Vp-p
Adjusting method:
1) Select page: 0, address: 01, and set data: 01.
2) Select page: 5, address: F1, and set data: 03.
3) Select page: D, address: D6, change the data and set the V-
1) Select page: 0, address: 01, and set data: 01.
2) Select page: 5, address: F1, and set data: 03.
3) Select page: D, address: D6, change the data and set the V-
COM signal level (A) to the specified value.
4) Press the PAUSE button of the adjusting remote commander.
Processing after Completing Adjustments:
1) Select page: 5, address: F1, and set data: 00.
2) Select page: 0, address: 01, and set data: 00.
1) Select page: 5, address: F1, and set data: 00.
2) Select page: 0, address: 01, and set data: 00.
8. V-COM Adjustment (PD-127 Board)
Set the DC bias of the common electrode drive signal of LCD to
the specified value.
If deviated, the LCD display will be move, producing flicker and
conspicuous vertical lines.
the specified value.
If deviated, the LCD display will be move, producing flicker and
conspicuous vertical lines.
Mode
PLAY
Signal
Arbitrary
Measurement Point
Check on LCD screen
Measuring Instrument
Adjustment Page
D
Adjustment Address
D8
Specified Value
The brightness difference
between the section-A and
section-B is minimum
between the section-A and
section-B is minimum
Note:
Perform “Bright Adjustment” and “Contrast Adjustment”
before this adjustment.
before this adjustment.
Adjusting method:
1) Select page: 0, address: 01, and set data: 01.
2) Select page: 5, address: F1, and set data: 01.
3) Select page: 2, address: 10, and set data: 02.
4) Select page: D, address: D8, change the data so that bright-
1) Select page: 0, address: 01, and set data: 01.
2) Select page: 5, address: F1, and set data: 01.
3) Select page: 2, address: 10, and set data: 02.
4) Select page: D, address: D8, change the data so that bright-
ness of the section A and section B is equal.
5) Press the PAUSE button of the adjusting remote commander.
Processing after Completing Adjustments:
1) Select page: 5, address: F1, and set data: 00.
2) Select page: 2, address: 10, and set data: 00.
3) Select page: 0, address: 01, and set data: 00.
1) Select page: 5, address: F1, and set data: 00.
2) Select page: 2, address: 10, and set data: 00.
3) Select page: 0, address: 01, and set data: 00.
5-30
9. White Balance Adjustment (PD-127 Board)
Correct the white balance.
If deviated, the LCD screen color cannot be reproduced.
If deviated, the LCD screen color cannot be reproduced.
Mode
PLAY
Signal
Arbitrary
Measurement Point
Check on LCD screen
Measuring Instrument
Adjustment Page
D
Adjustment Address
D2, D3
Specified Value
LCD screen must not be colored
Note:
Check the white balance only when replacing the follow-
ing parts.
If necessary, adjust them.
ing parts.
If necessary, adjust them.
1. LCD panel
2. Light induction plate
3. IC802
2. Light induction plate
3. IC802
Adjusting method:
1)
1)
Select page: 0, address: 01, and set data: 01.
2)
Select page: 5, address: F1, and set data: 02.
3)
Select page: D, address: D2 and D3, and set the data to the
initial value.
initial value.
Note:
To write in the non-volatile memory (EEPROM), press the
PAUSE button of the adjustment remote commander each
time to set the data.
PAUSE button of the adjustment remote commander each
time to set the data.
4)
Check that the LCD screen is not colored. If colored, change
the data of page: D, address: D2 and D3 so that the LCD screen
is not colored.
the data of page: D, address: D2 and D3 so that the LCD screen
is not colored.
Note:
To write in the non-volatile memory (EEPROM), press the
PAUSE button of the adjustment remote commander each
time to set the data.
PAUSE button of the adjustment remote commander each
time to set the data.
5)
Select page: 5, address: F1, and set data: 00.
6)
Select page: 0, address: 01, and set data: 00.
Address
D2
D3
Data
B9
B7
5-31
1-6.
SYSTEM CONTROL SYSTEM ADJUSTMENTS
1. Battery Down Adjustment
Set the battery end voltage.
If the voltage is incorrect, the life of battery will shorten.
The image at the battery end will also be rough.
If the voltage is incorrect, the life of battery will shorten.
The image at the battery end will also be rough.
Mode
STILL
Subject
Arbitrary
Measurement Point
Displayed data of page: 2,
address: 51
address: 51
Measuring Instrument
Adjusting remote commander
Adjustment Page
D
Adjustment Address
90 to 94
Connection:
1) Connect the regulated power supply and the digital voltmeter
1) Connect the regulated power supply and the digital voltmeter
to the battery terminal as shown in Fig. 5-1-26.
Fig. 5-1-26
MS-50
board
board
SY-58 board
(CN709)
(CN709)
CPC-9 jig
(J-6082-393-C)
(J-6082-393-C)
DC power supply
(6.0 to 7.2 V DC)
(6.0 to 7.2 V DC)
Adjustment remote
commander
commander
CN101
Regulated power supply
(5.30
(5.30
±
0.01 V DC)
Digital
voltmeter
voltmeter
1
2
18
1
18
1
Note : The old CPC-9 jit (Parts code: J-6082-393-B)
cannot be used, because it cannot operate
the adjustment remote commander.
the adjustment remote commander.
Adjusting method:
1) Adjust the output voltage of the regulated power supply so
1) Adjust the output voltage of the regulated power supply so
that the digital volt meter display is 7.2 ± 0.1 Vdc.
2) Turn off the power supply.
3) Turn the HOLD switch of the adjusting remote commander.
4) Turn on the power supply.
5) Insert the memory stick to the unit, and set the STILL mode.
6) Set the FOCUS switch in MANUAL mode.
7) Select page: 0, address: 01, and set data: 01.
8) Decrease the output voltage of the regulated power supply so
3) Turn the HOLD switch of the adjusting remote commander.
4) Turn on the power supply.
5) Insert the memory stick to the unit, and set the STILL mode.
6) Set the FOCUS switch in MANUAL mode.
7) Select page: 0, address: 01, and set data: 01.
8) Decrease the output voltage of the regulated power supply so
that the digital voltmeter display is 5.30 ± 0.01 Vdc.
9) Select page: 2, address: 51, read the data, and this data is named
Dref.
10) Select page: D, address: 90, set data Dref, and then press the
PAUSE button of adjusting remote commander.
(The data of address: 90, should be “7E” to “8F”)
(The data of address: 90, should be “7E” to “8F”)
11) Convert Dref to decimal notation, and obtain Dref’.
(Refer to Table 5-2-2. “Hexadecimal-decimal conversion
table”)
table”)
12) Calculate D
91
’, D
92
’, D
93
’ and D
94
’ using following equations
(decimal calculation), convert it to a hexadecimal number, and
input each adjustment address.
input each adjustment address.
Address: 91
D
91
’ = Dref’+8
Address: 92
D
92
’ = Dref’+23
Address: 93
D
93
’ = Dref’+44
Address: 94
D
94
’ = Dref’+55
Note:
After setting each data, be sure to press the PAUSE button.
Processing after Completing Adjustments:
1) Select page: 0, address: 01, and set data: 00.
1) Select page: 0, address: 01, and set data: 00.
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