Sony DCR-HC28 (serv.man3) Service Manual ▷ View online
6-27
DCR-HC28_ADJ
1-4.
ELECTRONIC VIEWFINDER SYSTEM
ADJUSTMENTS
ADJUSTMENTS
Before perform the electronic viewfinder system adjustments,
check that the data of page: 0, address: 10 is “00”. If not, select
page: 0, address: 10, and set the data “00”.
check that the data of page: 0, address: 10 is “00”. If not, select
page: 0, address: 10, and set the data “00”.
Note 1:
Taken an extreme care not to destroy the liquid crystal
display module by static electricity when replacing it.
display module by static electricity when replacing it.
Note 2:
Perform the following data setting before the viewfinder
system adjustments.
1) Select page: 3, address: C4, and set data: 69.
2) Select page: 3, address: C5, and set data: 02.
Reset the data after completing adjustment.
1) Select page: 3, address: C4, and set data: 00.
2) Select page: 3, address: C5, and set data: 00.
system adjustments.
1) Select page: 3, address: C4, and set data: 69.
2) Select page: 3, address: C5, and set data: 02.
Reset the data after completing adjustment.
1) Select page: 3, address: C4, and set data: 00.
2) Select page: 3, address: C5, and set data: 00.
1.
EVF Automatic Adjustment (VC-416 board)
RadarW
RadarW
RadarW
RadarW
RadarW
This adjustment does the following items automatically.
VCO Adjustment
Contrast Adjustment
Contrast Adjustment
Mode
VTR stop (PLAY/EDIT mode)
Signal
No signal
Adjustment Page
C
Adjustment Address
3F, 40 (VCO Adjustment)
47 (Contrast Adjustment)
Note 1:
Check that the data of page: 0, address: 10 is “00”.
Note 2:
NTSC model: DCR-HC28
PAL model: DCR-HC27E/HC28E
PAL model: DCR-HC27E/HC28E
Adjusting method:
Order Page Address Data
Procedure
1
0
01
01
2
C
71
00
Press PAUSE (Write) button.
3
3
03
FF
Press PAUSE (Write) button.
4
3
01
5A
Press PAUSE (Write) button.
(Note 3)
(Note 3)
5
3
02
Check the data changes to “00”.
6
3
03
Check the data is “00”. (Note 4)
7
C
3F
Read the data and this data is
named D
named D
3F
.
8
Convert D
3F
to decimal
notation, and obtain D
3F
’.
(Note 5)
9
Calculate D
40
’ using
following equations.
(decimal calculation)
D
(decimal calculation)
D
40
’ = D
3F
’ + 10 (NTSC model)
D
40
’ = D
3F
’ – 10 (PAL model)
10
Convert D
40
’ to a hexadeci-
mal number, and obtain D
40
.
(Note 5)
11
C
40
D
40
Press PAUSE (Write) button.
12
C
71
41
Press PAUSE (Write) button.
13
0
01
00
Note 3:
The adjustment data will be automatically input to page:
C, address: 3F and 47.
C, address: 3F and 47.
Note 4:
If the data change to “01”, adjustment has error. Contents
of error is written into page: 3, address: C6. See the fol-
lowing table.
lowing table.
Note 5:
Refer to table 6-4-1. “Hexadecimal-decimal conversion
table”.
Data of page: 3, address: C6
Contents of error
5E
VCO adjustment error
61
Contrast adjustment error
6-28
DCR-HC28_ADJ
2.
White Balance Adjustment (VC-416 board)
Correct the white balance.
If deviated, the EVF screen color cannot be reproduced.
If deviated, the EVF screen color cannot be reproduced.
Mode
VTR stop (PLAY/EDIT mode)
Signal
No signal
Measurement Point
Check on EVF screen
Measuring Instrument
Adjustment Page
C
Adjustment Address
45, 46
Specified Value
EVF screen must not be colored
Note 1:
Check that the data of page: 0, address: 10 is “00”.
Note 2:
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. IC9301
2. Light induction plate
3. IC9301
Adjusting method:
Order Page Address Data
Procedure
1
0
01
01
2
C
45
7E
Press PAUSE (Write) button.
3
C
46
7B
Press PAUSE (Write) button.
4
Check that the EVF screen is
not colored. If not colored,
proceed to step 6.
not colored. If not colored,
proceed to step 6.
5
C
45
Change the data so that the
46
EVF screen is not colored.
(Note 3)
(Note 3)
6
0
01
00
Note 3:
To write in the non-volatile memory (EEPROM), press
the PAUSE (Write) button each time to set the data.
the PAUSE (Write) button each time to set the data.
6-29
DCR-HC28_ADJ
1.
LCD Automatic Adjustment (VC-416 board)
RadarW
RadarW
RadarW
RadarW
RadarW
This adjustment does the following items automatically.
VCO Adjustment
Contrast Adjustment
Contrast Adjustment
Mode
VTR stop (PLAY/EDIT mode)
Signal
No signal
Adjustment Page
C
Adjustment Address
50, 51 (VCO Adjustment)
58 (Contrast Adjustment)
Note 1:
Check that the data of page: 0, address: 10 is “00”.
Adjusting method:
Order Page Address Data
Procedure
1
0
01
01
2
C
70
00
Press PAUSE (Write) button.
3
3
03
FF
Press PAUSE (Write) button.
4
3
01
5A
Press PAUSE (Write) button.
(Note 2)
(Note 2)
5
3
02
Check the data changes to “00”.
6
3
03
Check the data is “00”. (Note 3)
7
C
50
Read the data and this data is
named D
named D
50
.
8
Convert D
50
to decimal
notation, and obtain D
50
’.
(Note 4)
9
Calculate D
51
’ using
following equations.
(decimal calculation)
D
(decimal calculation)
D
51
’ = D
50
’ + 10 (NTSC model)
D
51
’ = D
50
’ – 10 (PAL model)
10
Convert D
51
’ to a hexadeci-
mal number, and obtain D
51
.
(Note 4)
11
C
51
D
51
Press PAUSE (Write) button.
12
C
70
41
Press PAUSE (Write) button.
13
0
01
00
Note 2:
The adjustment data will be automatically input to page:
C, address: 50 and 58.
C, address: 50 and 58.
Note 3:
If the data change to “01”, adjustment has error. Con-
tents of error is written into page: 3, address: C6. See the
following table.
tents of error is written into page: 3, address: C6. See the
following table.
Note 4:
Refer to table 6-4-1. “Hexadecimal-decimal conversion
table”.
table”.
Data of page: 3, address: C6 Contents of error
58
VCO adjustment error
60
Contrast adjustment error
1-5.
LCD SYSTEM ADJUSTMENTS
Before perform the LCD system adjustments, check that the data
of page: 0, address: 10 is “00”.
If not, select page: 0, address: 10, and set the data “00”.
of page: 0, address: 10 is “00”.
If not, select page: 0, address: 10, and set the data “00”.
Note 1:
Taken an extreme care not to destroy the liquid crystal
display module by static electricity when replacing it.
display module by static electricity when replacing it.
Note 2:
Set the “LCD BRT (LCD BRIGHT)”, “LCD COLOR”
to the center with the menu settings of the touch panel.
to the center with the menu settings of the touch panel.
Note 3:
Open the LCD panel during the LCD system adjustment.
Note 4:
NTSC model: DCR-HC28
PAL model: DCR-HC27E/HC28E
PAL model: DCR-HC27E/HC28E
6-30
DCR-HC28_ADJ
3.
Transmissive Mode White Balance Adjustment
(VC-416 board)
(VC-416 board)
Correct the white balance at transmissive mode.
If deviated, the LCD screen color cannot be reproduced.
If deviated, the LCD screen color cannot be reproduced.
Mode
VTR stop (PLAY/EDIT mode)
Signal
No signal
Measurement Point
Check on LCD screen
Measuring Instrument
Adjustment Page
C
Adjustment Address
56, 57
Specified Value
LCD screen must not be colored
Note 1:
Check that the data of page: 0, address: 10 is “00”.
Note 2:
Check the white balance only when replacing the fol-
lowing parts. If necessary, adjust them.
lowing parts. If necessary, adjust them.
1. LCD block
2. Light induction plate
3. IC9301
2. Light induction plate
3. IC9301
Switch setting:
LCD BACKLIGHT .................................................................. ON
LCD BACKLIGHT .................................................................. ON
Adjusting method:
Order Page Address Data
Procedure
1
0
01
01
2
C
56
7D
Press PAUSE (Write) button.
3
C
57
73
Press PAUSE (Write) button.
4
Check that the LCD screen is
not colored. If not colored,
proceed to step 6.
not colored. If not colored,
proceed to step 6.
5
C
Change the data so that the
LCD screen is not colored.
(Note 3)
LCD screen is not colored.
(Note 3)
6
0
01
00
Note 3:
To write in the non-volatile memory (EEPROM), press
the PAUSE (Write) button each time to set the data.
the PAUSE (Write) button each time to set the data.
A
A
A
A
B
B
B
B
Fig. 6-1-17
2.
V-COM Adjustment (VC-416 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
VTR stop (PLAY/EDIT mode)
Signal
No signal
Measurement Point
Check on LCD screen
Measuring Instrument
Adjustment Page
C
Adjustment Address
52
Specified Value
The brightness difference between
the section-A and section-B is
minimum
the section-A and section-B is
minimum
Note 1:
Perform “LCD Automatic Adjustment” before this ad-
justment.
justment.
Note 2:
Check that the data of page: 0, address: 10 is “00”.
Switch setting:
LCD BACKLIGHT .................................................................. ON
LCD BACKLIGHT .................................................................. ON
Adjusting method:
Order Page Address Data
Procedure
1
0
01
01
2
C
61
CD
Press PAUSE (Write) button.
3
C
52
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.
4
C
52
Subtract 5 from the data.
5
C
52
Press PAUSE (Write) button.
6
C
61
05
Press PAUSE (Write) button.
7
0
01
00
56
57
57
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