Sony DSC-F717 (serv.man4) Service Manual ▷ View online
DSC-F717
6-39
2.
LCD Initial Data Input (2)
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
57
3B
FE
3C
02
Fixed data
3D
5A
3E
00
3F
01
Processing after Completing Adjustments:
1) Select page: 0, address: 01, and set data: 00.
1) Select page: 0, address: 01, and set data: 00.
1.
LCD Initial Data Input (1)
Mode
PLAY
Signal
Arbitrary
Adjustment Page
A
Adjustment Address
80 to 8F, A3
Adjusting method:
1) Select page: 0, address: 01, and set data: 01.
2) Select page: A, and enter the data given in the following table.
1) Select page: 0, address: 01, and set data: 01.
2) Select page: A, 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
80
7A
Fixed value
81
22
82
2D
VCO Adjustment (NTSC mode)
83
3C
VCO Adjustment (PAL mode)
84
63
V-COM Adjustment
85
16
D Range Adjustment
86
B8
Fixed value
87
6B
V-COM Level Adjustment
88
90
White Balance Adjustment
89
83
8A
0A
Contrast Adjustment
8B
00
Fixed value
8C
2F
8D
31
8E
80
8F
1F
A3
06
Processing after Completing Adjustments:
1) Select page: 0, address: 01, and set data: 00.
1) Select page: 0, address: 01, and set data: 00.
DSC-F717
6-40
3.
VCO Adjustment (PD-179 Board)
Set the VCO free-run frequency. If deviated, the LCD screen will
be blurred.
be blurred.
Mode
PLAY
Signal
Arbitrary
Measurement Point
Pin 7 of CN305 on FR-194
board (PANEL_HSY)
board (PANEL_HSY)
Measuring Instrument
Frequency counter
Adjustment Page
A
Adjustment Address
82 (NTSC mode)
83 (PAL mode)
83 (PAL mode)
Specified Value
f = 15734
±
100 Hz (NTSC mode)
f = 15625
±
100 Hz (PAL mode)
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
2
A
02
13
Press PAUSE button.
3
4
F1
13
4
A
82
Change the data and set the
frequency (f) to the NTSC
specified value.
frequency (f) to the NTSC
specified value.
5
A
82
Press PAUSE button.
6
4
1D
82
7
A
83
Change the data and set the
frequency (f) to the PAL
specified value.
frequency (f) to the PAL
specified value.
8
A
83
Press PAUSE button.
Processing after Completing Adjustments:
Order Page Address Data
Procedure
1
A
02
00
Press PAUSE button.
2
4
F1
00
3
4
1D
80
4
0
01
00
4.
D Range Adjustment (PD-179 Board)
Set the D Range 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 CN305 on FR-194
board (PANEL_VG)
External trigger: Pin 8 of
CN305 on FR-194 board
(PANEL_COM)
board (PANEL_VG)
External trigger: Pin 8 of
CN305 on FR-194 board
(PANEL_COM)
Measuring Instrument
Oscilloscope
Adjustment Page
A
Adjustment Address
85
Specified Value
A = 2.95
±
0.05 Vp-p
Adjusting method:
Order Page Address Data
Procedure
1
0
01
01
2
A
02
13
Press PAUSE button.
3
4
F1
03
4
A
85
Change the data and set the
voltage (A) to the specified
value.
voltage (A) to the specified
value.
5
A
85
Press PAUSE button.
Processing after Completing Adjustments:
Order Page Address Data
Procedure
1
A
02
00
Press PAUSE button.
2
4
F1
00
3
0
01
00
A
2H
Pedestal
Pedestal
A: Pedestal level difference between 1H period and
previous 1H period.
Fig. 6-1-19
DSC-F717
6-41
5.
Contrast Adjustment (PD-179 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 CN305 on FR-194
board (PANEL_VG)
External trigger: Pin 8 of
CN305 on FR-194 board
(PANEL_COM)
board (PANEL_VG)
External trigger: Pin 8 of
CN305 on FR-194 board
(PANEL_COM)
Measuring Instrument
Oscilloscope
Adjustment Page
A
Adjustment Address
8A
Specified Value
A = 2.65
±
0.07 Vp-p
Adjusting method:
Order Page Address Data
Procedure
1
0
01
01
2
A
02
13
Press PAUSE button.
3
4
F1
03
4
A
8A
Change the data and set the
voltage (A) to the specified
value.
voltage (A) to the specified
value.
5
A
8A
Press PAUSE button.
Processing after Completing Adjustments:
Order Page Address Data
Procedure
1
A
02
00
Press PAUSE button.
2
4
F1
00
3
0
01
00
6.
V-COM Level Adjustment (PD-179 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 CN305 on FR-194
board (PANEL_COM)
board (PANEL_COM)
Measuring Instrument
Oscilloscope
Adjustment Page
A
Adjustment Address
87
Specified Value
A = 5.42
±
0.05 Vp-p
Adjusting method:
Order Page Address Data
Procedure
1
0
01
01
2
A
02
13
Press PAUSE button.
3
4
F1
03
4
A
87
Change the data and set the
voltage (A) to the specified
value.
voltage (A) to the specified
value.
5
A
87
Press PAUSE button.
Processing after Completing Adjustments:
Order Page Address Data
Procedure
1
A
02
00
Press PAUSE button.
2
4
F1
00
3
0
01
00
Fig. 6-1-20
A
2H
10 steps peak
Pedestal
A: Between the pedestal and 10 steps peak
Fig. 6-1-21
A
2H
DSC-F717
6-42
7.
V-COM Adjustment (PD-179 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
A
Adjustment Address
84
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 “D Range Adjustment”, “Contrast Adjustment”
and “V-COM Level Adjustment” before this adjustment.
and “V-COM Level Adjustment” before this adjustment.
Adjusting method:
Order Page Address Data
Procedure
1
0
01
01
2
A
02
13
Press PAUSE button.
3
4
F1
82
4
A
84
Change the data so that
brightness of the section A
and section B is equal.
brightness of the section A
and section B is equal.
5
A
84
Press PAUSE button.
Processing after Completing Adjustments:
Order Page Address Data
Procedure
1
A
02
00
Press PAUSE button.
2
4
F1
00
3
0
01
00
8.
White Balance Adjustment (PD-179 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
A
Adjustment Address
88, 89
Specified Value
LCD screen must not be colored
Note 1:
Check the white balance only when replacing the fol-
lowing parts. If necessary, adjust them.
lowing parts. If necessary, adjust them.
1. LCD panel
2. Light induction plate
3. IC801
2. Light induction plate
3. IC801
Adjusting method:
Order Page Address Data
Procedure
1
0
01
01
2
A
02
13
Press PAUSE button.
3
4
F1
02
4
A
88
90
Press PAUSE button.
89
83
(Initial value)
5
Check that the LCD screen is
not colored. If not colored,
proceed to “Processing after
Completing Adjustments”.
not colored. If not colored,
proceed to “Processing after
Completing Adjustments”.
6
A
88
Change the data so that the
LCD screen is not colored.
LCD screen is not colored.
89
(Note 2)
Note 2:
To write in the non-volatile memory (EEPROM), press
the PAUSE button each time to set the data.
the PAUSE button each time to set the data.
Processing after Completing Adjustments:
Order Page Address Data
Procedure
1
A
02
00
Press PAUSE button.
2
4
F1
00
3
0
01
00
Fig. 6-1-22
A
A
A
A
B
B
B
B
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