Sony DCR-TRV12E / DCR-TRV14E / DCR-TRV19 / DCR-TRV19E (serv.man4) Service Manual ▷ View online
6-27
DCR-TRV12E/TRV14E/TRV19/TRV19E
1-4.
ELECTRONIC VIEWFINDER SYSTEM
ADJUSTMENT
ADJUSTMENT
Note1:
When replacing the LCD unit, be careful to prevent damages
caused by static electricity.
caused by static electricity.
Note2:
Before performing the adjustments, check the data of page: 0,
address: 10 is “00”. If not, set data: 00 to this address.
address: 10 is “00”. If not, set data: 00 to this address.
Note3:
As the PANEL CLOSE switch is attached to the cabinet (R), this
cabinet must be attached when performing adjustments.
If you perform the adjustments with cabinet (R) removed, set the
following data.
1) Select page: 3, address: C4, and set data: 67.
2) Select page: 3, address: C5, and set data: 01.
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.
cabinet must be attached when performing adjustments.
If you perform the adjustments with cabinet (R) removed, set the
following data.
1) Select page: 3, address: C4, and set data: 67.
2) Select page: 3, address: C5, and set data: 01.
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.
Note4:
NTSC model: DCR-TRV19
PAL model: DCR-TRV12E/TRV14E/TRV19E
PAL model: DCR-TRV12E/TRV14E/TRV19E
[Adjusting connector]
Most of the measuring points for adjusting the viewfinder system
are concentrated in CN1004 of VC-311 board.
Connect the Measuring Instruments via the CPC-7 jig (J-6082-382-
A).
The following table shows the Pin No. and signal name of CN1004.
are concentrated in CN1004 of VC-311 board.
Connect the Measuring Instruments via the CPC-7 jig (J-6082-382-
A).
The following table shows the Pin No. and signal name of CN1004.
Table 6-1-10.
1. VCO Adjustment (VA-118 board)
Set the VCO free-run frequency. If deviated, the EVF screen will
be blurred.
be blurred.
Mode
Camera
Subject
Arbitrary
Measurement Point
Pin qa of CN1004 of VC-311 board
(EVF VCO)
(EVF VCO)
Measuring Instrument
Frequency counter
Adjustment Page
C
Adjustment Address
36, 37
Specified Value
f = 15734 ± 30Hz (NTSC)
f = 15625 ± 30Hz (PAL)
f = 15625 ± 30Hz (PAL)
Note1:
The data of page: 0, address: 10 must be “00”.
Adjusting method:
Order Page Address Data
Procedure
1
0
01
01
Set the data.
2
C
36
Change the data and set the VCO
frequency (f) to the specified
value.
frequency (f) to the specified
value.
3
C
36
Press PAUSE button.
4
C
36
Read the data, and this data is
named D
named D
36
.
5
Convert D
36
to decimal notation,
and obtain D
36
’. (Note2)
6
Calculate D
37
’ using following
equations (Decimal calculation)
[NTSC model]
When D
[NTSC model]
When D
36
’ 231
D
37
’ = D
36
’+24
When D
36
’ > 231
D
37
’ = 255
[PAL model]
When D
When D
36
’ 24
D
37
’ = D
36
’–24
When D
36
’ < 24
D
37
’ = 0
7
Convert D
37
’ to a hexadecimal
number, and obtain D
37
. (Note2)
8
C
37
D
37
Set the data, and press PAUSE
button.
button.
9
0
01
00
Set the data.
Note2:
Refer to “Table 5-4-1. Hexadecimal-decimal Conversion Table”.
Pin No.
1
2
3
4
5
6
7
8
Signal Name
FRRV
RF MON
RF IN/LANC
JACK IN
JACK IN
SWP
PANEL COM
REG_GND
H START
REG_GND
Pin No.
9
10
11
12
13
14
15
16
Signal Name
PANEL VG
REG_GND
EVF VCO
REG_GND
EVF VG
EXT DA
LANC SIG
N.C.
Fig. 6-1-15.
CN1004
Remove the CPC lid
16
1
COVER
COVER
6-28
DCR-TRV12E/TRV14E/TRV19/TRV19E
2. RGB AMP Adjustment (VA-118 board)
Set the D range of the RGB decoder used to drive the LCD to the
specified value. If deviated, the LCD screen will become blackish
or saturated (whitish).
specified value. If deviated, the LCD screen will become blackish
or saturated (whitish).
Note:
Do either of the automatic adjustment or the manual adjustment.
2-1. Automatic Adjustment
Mode
Camera
Subject
Arbitrary
Adjustment Page
C
Adjustment Address
39
Note:
The data of page: 0, address: 10 must be “00”.
Adjusting method:
Order Page Address Data
Procedure
1
0
01
01
Set the data.
2
3
01
50
Set the data, and press PAUSE
button.
button.
3
3
02
Check that the data changes from
“50” to “00”.
“50” to “00”.
4
3
01
00
Set the data, and press PAUSE
button.
button.
5
0
01
00
Set the data.
2-2. Manual Adjustment
Mode
Camera
Subject
Arbitrary
Measurement Point
Pin qd of CN1004 of VC-311 board
(EVF VG)
(EVF VG)
Measuring Instrument
Oscilloscope
Adjustment Page
C
Adjustment Address
39
Specified Value
A = 7.50 ± 0.10V
Note:
The data of page: 0, address: 10 must be “00”.
Adjusting method:
Order Page Address Data
Procedure
1
0
01
01
Set the data.
2
C
39
Change the data and set the
voltage (A) between the reversed
waveform pedestal and non-
reversed waveform pedestal to the
specified value.
voltage (A) between the reversed
waveform pedestal and non-
reversed waveform pedestal to the
specified value.
3
C
39
Press PAUSE button.
4
0
01
00
Set the data.
Pedestal
Pedestal
A
2H
Fig. 6-1-16.
6-29
DCR-TRV12E/TRV14E/TRV19/TRV19E
3. Contrast Adjustment (VA-118 board)
Set the level of the VIDEO signal for driving the LCD to the specified
value. If deviated, the screen image will be blackish or saturated
(whitish).
value. If deviated, the screen image will be blackish or saturated
(whitish).
Note:
Do either of the automatic adjustment or the manual adjustment.
3-1. Automatic Adjustment
Mode
Camera
Subject
Arbitrary
Adjustment Page
C
Adjustment Address
3E
Note:
The data of page: 0, address: 10 must be “00”.
Adjusting method:
Order Page Address Data
Procedure
1
0
01
01
Set the data.
2
3
01
51
Set the data, and press PAUSE
button.
button.
3
3
02
Check that the data changes from
“51” to “00”.
“51” to “00”.
4
3
01
00
Set the data, and press PAUSE
button.
button.
5
0
01
00
Set the data.
3-2. Manual Adjustment
Mode
Camera
Subject
Arbitrary
Measurement Point
Pin qd of CN1004 of VC-311 board
(EVF VG)
(EVF VG)
Measuring Instrument
Oscilloscope
Adjustment Page
C
Adjustment Address
3E
Specified Value
A = 2.50 ± 0.10V
Note:
The data of page: 0, address: 10 must be “00”.
Adjusting method:
Order Page Address Data
Procedure
1
0
01
01
Set the data.
2
C
3E
Change the data and set the
voltage (A) between the 100 IRE
and 0 IRE (pedestal) to the
specified value. (The data should
be “00” to “7F”.)
voltage (A) between the 100 IRE
and 0 IRE (pedestal) to the
specified value. (The data should
be “00” to “7F”.)
3
C
3E
Press PAUSE button.
4
0
01
00
Set the data.
100 IRE
Pedestal
A
2H
Fig. 6-1-17.
6-30
DCR-TRV12E/TRV14E/TRV19/TRV19E
1-5.
LCD SYSTEM ADJUSTMENT
Note1:
The back light (fluorescent tube) is driven by a high voltage AC
power supply. Therefore, do not touch the back light holder to
avoid electrical shock.
power supply. Therefore, do not touch the back light holder to
avoid electrical shock.
Note2:
When replacing the LCD unit, be careful to prevent damages
caused by static electricity.
caused by static electricity.
Note3:
Before performing the adjustments, check the data of page: 0,
address: 10 is “00”. If not, set data: 00 to this address.
address: 10 is “00”. If not, set data: 00 to this address.
Note4:
NTSC model: DCR-TRV19
PAL model: DCR-TRV12E/TRV14E/TRV19E
PAL model: DCR-TRV12E/TRV14E/TRV19E
[Adjusting connector]
Most of the measuring points for adjusting the LCD system are
concentrated in CN1004 of the VC-311 board. Connect the
measuring instruments via the multi CPC-7 jig (J-6082-382-A). The
following table shows the Pin No. and signal name of CN1004.
concentrated in CN1004 of the VC-311 board. Connect the
measuring instruments via the multi CPC-7 jig (J-6082-382-A). The
following table shows the Pin No. and signal name of CN1004.
Table 6-1-11.
1. VCO Adjustment (PD-188 board)
Set the VCO free-run frequency. If deviated, the LCD screen will
be blurred.
be blurred.
Mode
VTR stop
Signal
No signal
Measurement Point
Pin 7 of CN1004 of VC-311 board
(H START)
(H START)
Measuring Instrument
Frequency counter
Adjustment Page
C
Adjustment Address
47, 48
Specified Value
f = 15734 ± 30Hz (NTSC)
f = 15625 ± 30Hz (PAL)
f = 15625 ± 30Hz (PAL)
Note1:
The data of page: 0, address: 10 must be “00”.
Adjusting method:
Order Page Address Data
Procedure
1
0
01
01
Set the data.
2
C
47
Change the data and set the VCO
frequency (f) to the specified
value.
frequency (f) to the specified
value.
3
C
47
Press PAUSE button.
4
C
47
Read the data, and this data is
named D
named D
47
.
5
Convert D
47
to decimal notation,
and obtain D
47
’. (Note2)
6
Calculate D
48
’ using following
equations (Decimal calculation)
[NTSC model]
When D
[NTSC model]
When D
47
’ 229
D
48
’ = D
47
’ + 26
When D
47
’ > 229
D
48
’ = 255
[PAL model]
When D
When D
47
’ 26
D
48
’ = D
47
’ – 26
When D
47
’ < 26
D
48
’ = 0
7
Convert D
48
’ to a hexadecimal
number, and obtain D
48
. (Note2)
8
C
48
D
48
Set the data, and press PAUSE
button.
button.
9
0
01
00
Set the data.
Note2:
Refer to “Table 6-4-1. Hexadecimal-decimal Conversion Table”.
Pin No.
1
2
3
4
5
6
7
8
Signal Name
FRRV
RF MON
RF IN/LANC
JACK IN
JACK IN
SWP
PANEL COM
REG_GND
H START
REG_GND
Pin No.
9
10
11
12
13
14
15
16
Signal Name
PANEL VG
REG_GND
EVF VCO
REG_GND
EVF VG
EXT DA
LANC SIG
N.C.
Fig. 6-1-18.
CN1004
Remove the CPC lid
16
1
COVER
COVER
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