DOWNLOAD Sony HDR-FX7 / HDR-FX7E (serv.man4) Service Manual ↓ Size: 1.14 MB | Pages: 113 in PDF or view online for FREE

Model
HDR-FX7 HDR-FX7E (serv.man4)
Pages
113
Size
1.14 MB
Type
PDF
Document
Service Manual
Brand
Device
Movie / SECTION 6 ADJUSTMENTS
File
hdr-fx7-hdr-fx7e-sm4.pdf
Date
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6-75
HDR-FX7/FX7E_ADJ
1.
VCO Adjustment (OO-003 board)
Set the VCO free-run frequency. If deviated, the EVF screen will
be blurred.
Mode
CAMERA
Subject
Not required
Measurement Point
Pin 4 of CN1014 (EVF_VCO) on
TT-003 board
Measuring Instrument
Frequency counter
Adjustment Page
C
Adjustment Address
34, 35
Specified Value
f = 15734 
±
 30 Hz (NTSC)
f = 15625 
±
 30 Hz (PAL)
Note 1:
Check that the data of page: 0, address: 10 is “00”.
Note 2:
Refer to Table 6-4-1. “Hexadecimal-decimal conversion
table”
Note 3:
If D
35
’ > 255, then D
35
 = FF (NTSC model)
If D
34
’ < 0, then D
34
 = 00 (PAL model)
Adjusting method for NTSC model:
Order Page Address Data
Procedure
1
0
01
01
2
3
71
01
Press PAUSE (Write) button.
3
C
34
Change the data and set the
frequency (f) to the specified
value.
4
C
34
Press PAUSE (Write) button.
5
C
34
Read the data and this data is
named D
34
.
6
Convert D
34
 to decimal
notation, and obtain D
34
’.
(Note 2)
7
Calculate D
35
’ using
following equations.
(decimal calculation)
D
35
’ = D
34
’ + 21
8
Convert D
35
’ to a hexadeci-
mal number, and obtain D
35
.
(Note 2, 3)
9
C
35
D
35
Press PAUSE (Write) button.
10
3
70
10
Press PAUSE (Write) button.
11
3
70
Check the data changes to
“11”.
12
0
01
00
Adjusting method for PAL model:
Order Page Address Data
Procedure
1
0
01
01
2
3
71
01
Press PAUSE (Write) button.
3
C
35
Change the data and set the
frequency (f) to the specified
value.
4
C
35
Press PAUSE (Write) button.
5
C
35
Read the data and this data is
named D
35
.
6
Convert D
35
 to decimal
notation, and obtain D
35
’.
(Note 2)
7
Calculate D
34
’ using
following equations.
(decimal calculation)
D
34
’ = D
35
’ – 21
8
Convert D
34
’ to a hexadeci-
mal number, and obtain D
34
.
(Note 2, 3)
9
C
34
D
34
Press PAUSE (Write) button.
10
3
70
10
Press PAUSE (Write) button.
11
3
70
Check the data changes to
“11”.
12
0
01
00
6-76
HDR-FX7/FX7E_ADJ
3.
PSIG Level Adjustment (OO-003 board)
Set the uniformity improvement signal level to an appropriate level.
Mode
CAMERA
Subject
Not required
Measurement Point
Pin 6 of CN1014 (PSIG) on TT-
003 board
Measuring Instrument
Oscilloscope
Adjustment Page
C
Adjustment Address
39
Specified Value
A = 6.00 
±
 0.05 Vp-p
Note:
Check that the data of page: 0, address: 10 is “00”.
Adjusting method:
Order Page Address Data
Procedure
1
0
01
01
2
3
71
01
Press PAUSE (Write) button.
3
C
39
Change the data and set the
PSIG signal level (A) to the
specified value.
(The data should be “00” to
“7F”.)
4
C
39
Press PAUSE (Write) button.
5
3
70
10
Press PAUSE (Write) button.
6
3
70
Check the data changes to
“11”.
7
0
01
00
Fig. 6-1-27
A
2H
2.
Back Light Adjustment (OO-003 board)
Set the back light luminance.
If deviated, the image may become dark or bright.
Mode
CAMERA
Subject
Not required
Measurement Point
Pin 3 of CN1014 (EXT_DA) on
TT-003 board
Measuring Instrument
Digital voltmeter
Adjustment Page
C
Adjustment Address
32, 33
Specified Value
NORMAL mode:
A = 0.94 
±
 0.05 Vdc
BRIGHT mode:
B = 1.73 
±
 0.05 Vdc
Note:
Check that the data of page: 0, address: 10 is “00”.
Adjusting method:
Order Page Address Data
Procedure
1
0
01
01
2
3
71
01
Press PAUSE (Write) button.
3
C
32
Change the data and set the
DC voltage (A) to the
specified value of NORMAL
mode.
4
C
32
Press PAUSE (Write) button.
5
C
33
Change the data and set the
DC voltage (B) to the
specified value of BRIGHT
mode.
6
C
33
Press PAUSE (Write) button.
7
3
70
10
Press PAUSE (Write) button.
8
3
70
Check the data changes to
“11”.
9
0
01
00
6-77
HDR-FX7/FX7E_ADJ
4.
V-COM Level Adjustment (OO-003 board)
Set the opposed voltage to drive LCD panel to an appropriate level.
Mode
CAMERA
Subject
Not required
Measurement Point
Pin 1 of CN1014 (EVF_COM_DC)
on TT-003 board
Measuring Instrument
Digital voltmeter
Adjustment Page
C
Adjustment Address
36
Specified Value
A = 6.65 
±
 0.05 Vdc
Note:
Check that the data of page: 0, address: 10 is “00”.
Adjusting method:
Order Page Address Data
Procedure
1
0
01
01
2
3
71
01
Press PAUSE (Write) button.
3
C
36
Change the data and set the
DC voltage (A) to the
specified value. (The data
should be “00” to “3F”.)
4
C
36
Press PAUSE (Write) button.
5
3
70
10
Press PAUSE (Write) button.
6
3
70
Check the data changes to
“11”.
7
0
01
00
5.
RGB AMP Adjustment (OO-003 board)
Set the D Range of the RGB decoder for driving the LCD to the
specified value.
If deviated, the EVF screen image will be blackish or saturated
(whitish).
Mode
CAMERA
Subject
Not required
Measurement Point
Pin 5 of CN1014 (EVF_VG) on
TT-003 board
Measuring Instrument
Oscilloscope
Adjustment Page
C
Adjustment Address
37
Specified Value
A = 7.00 
±
 0.10 Vp-p
Note:
 Check that the data of page: 0, address: 10 is “00”.
Adjusting method:
Order Page Address Data
Procedure
1
0
01
01
2
3
71
01
Press PAUSE (Write) button.
3
C
37
Change the data and set the
voltage (A) to the specified
value.
4
C
37
Press PAUSE (Write) button.
5
3
70
10
Press PAUSE (Write) button.
6
3
70
Check the data changes to
“11”.
7
0
01
00
A: Between the reversed waveform pedestal
and non-reversed waveform pedestal
Fig. 6-1-28
Pedestal
Pedestal
A
2H
6-78
HDR-FX7/FX7E_ADJ
6.
Contrast Adjustment (OO-003 board)
Set the video signal level for driving the LCD to the specified
value.
If deviated, the EVF screen image will be blackish or saturated
(whitish).
Mode
CAMERA
Subject
Not required
Measurement Point
Pin 5 of CN1014 (EVF_VG) on
TT-003 board
Measuring Instrument
Oscilloscope
Adjustment Page
C
Adjustment Address
3C, 77
Specified Value
A = 2.30 
±
 0.05 Vp-p
Note:
 Check that the data of page: 0, address: 10 is “00”.
Adjusting method:
Order Page Address Data
Procedure
1
0
01
01
2
3
71
01
Press PAUSE (Write) button.
3
C
77
Change the data and set the
voltage (A) to the specified
value. (The data should be
“00” to “7F”.)
4
C
77
Press PAUSE (Write) button.
5
C
77
Read the data and this data is
named D
77
.
6
C
3C
D
77
Press PAUSE (Write) button.
7
3
70
10
Press PAUSE (Write) button.
8
3
70
Check the data changes to
“11”.
9
0
01
00
A: Between the pedestal and 3 steps peak
Fig. 6-1-29
3 steps peak
Pedestal
A
2H
7.
White Balance Adjustment (OO-003 board)
Correct the white balance.
If deviated, the EVF screen color cannot be reproduced.
Mode
CAMERA
Subject
Not required
Measurement Point
Check on EVF screen
Measuring Instrument
Adjustment Page
C
Adjustment Address
3A, 3B
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.
1. LCD panel
2. Light induction plate
3. IC6601
Adjusting method:
Order Page Address Data
Procedure
1
0
01
01
2
3
71
01
Press PAUSE (Write) button.
3
C
3A
80
Press PAUSE (Write) button.
4
C
3B
80
Press PAUSE (Write) button.
5
Check that the EVF screen is
not colored. If not colored,
proceed to step 6.
6
C
3A
Change the data so that the
3B
EVF screen is not colored.
(Note 3)
7
3
70
10
Press PAUSE (Write) button.
8
3
70
Check the data changes to
“11”.
9
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 data of page: C, address: 3A should be “66” to “B2”.
The data of page: C, address: 3B should be “60” to “A6”.
Page of 113
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