Sony CCD-TRV63 / CCD-TRV66 / CCD-TRV66PK Service Manual ▷ View online
5-21
1-4. MONOCHROME ELECTRONIC VIEWFINEDER
SYSTEM ADJUSTMENT
1-4-1. Horizontal Slant Check
Mode
Playback
Signal
Alignment tape :
For checking operation
For checking operation
(WR5-5NSP)
Monoscope section
Specified Value
± 1.5
°
Adjusting method:
1)
1)
Adjust RV904 (BRIGHT) (VF-129 board) so that the CRT can
be seen easily and clearly.
be seen easily and clearly.
2)
Check that the difference between the horizontal line and the
tilt of black mask satisfies the specified value.
tilt of black mask satisfies the specified value.
1-4-2. Centering Adjustment
Mode
Playback
Signal
Alignment tape :
For checking operation
For checking operation
(WR5-5NSP)
Monoscope section
Specified Value
± 4%
Adjusting method:
1)
1)
Use the centering adjustment ring and adjust so that the left,
light, top, and bottom sides of the display are uniform. (Refer
to Fig. 5-1-12.)
light, top, and bottom sides of the display are uniform. (Refer
to Fig. 5-1-12.)
Note:
As the centering position changes due to earth magnetism, rotate
it 360
it 360
°
in the horizontal direction, and adjust with the center
section of the modifying position.
1-4-3. Focus Adjustment
Mode
Playback
Signal
Alignment tape :
For checking operation
For checking operation
(WR5-5NSP)
Monoscope section
Adjusting method:
1)
1)
Adjust the focus ring to obtain the optimum focus. (Refer to
Fig. 5-1-12.)
Fig. 5-1-12.)
Holizontal line
Specified value : The image should be within
±
1.5
°
of the holizontal line.
θ
θ
±
1.5
°
±
4%
±
4%
Adjustment value :
±
4%
Focus adjustment
Aberration adjustment
DY tightening screw
Centering adjustment
RV903
C909
CN902
IC901
F.B.T
W901
RV904
SOL901
Fig. 5-1-11.
Fig. 5-1-12.
Fig. 5-1-13.
VF-129 BOARD
5-22
1-4-4. Aberration Adjustment
Mode
VTR stop
Signal
Dot pattern
Specified Value
b1 2
×
a1
b2 0.8
×
a2
Adjusting method:
1)
1)
Adjust the aberration adjustment ring so that the tracing of the
dot satisfies the specified value.
dot satisfies the specified value.
2)
If the centering becomes displaced here, perform the centering
adjustment from the beginning again.
adjustment from the beginning again.
1-4-5. Horizontal Amplitude Adjustment (VF-129 board)
Mode
Playback
Signal
Alignment tape :
For checking operation
For checking operation
(WR5-5NSP)
Monoscope section
Adjusting Element
C909 (SOL901)
Specified Value
10 ± 6%
Adjusting method:
1)
1)
Rotate RV903, and adjust the top and bottom side of the
monoscope image to the top and bottom edges of the display.
monoscope image to the top and bottom edges of the display.
2)
Rotate RV904 so that the brightness is the normal level.
3)
Solder or unsolder SOL901 pattern of the H size adjustment
capacitor (C909) to “short” or “open”, so that the horizontal
direction over scan becomes 10 ± 6% (Left and right totals).
capacitor (C909) to “short” or “open”, so that the horizontal
direction over scan becomes 10 ± 6% (Left and right totals).
100%
5%
5%
12.5%
12.5%
RV903
C909
CN902
IC901
F.B.T
W901
RV904
SOL901
Fig. 5-1-14.
Fig. 5-1-15.
SOL901
Open
Short
Size H
Small
Big
VF-129 BOARD
a2
a1
b1
b2
5-23
1-4-6. Vertical Amplitude Adjustment (VF-129 board)
Mode
Playback
Signal
Alignment tape :
For checking operation
For checking operation
(WR5-5NSP)
Monoscope section
Adjusting Element
RV903
Specified Value
10 ± 3%
Adjusting method:
1)
1)
Adjust RV903 so that the vertical direction over scan becomes
10 ± 3% (Top and bottom totals).
10 ± 3% (Top and bottom totals).
1-4-7. Brightness Adjustment (VF-129 board)
Mode
Playback
Signal
Alignment tape :
For checking operation
(WR5-5NSP)
Monoscope section
For checking operation
(WR5-5NSP)
Monoscope section
Adjusting Element
RV904
Adjusting method:
1)
1)
Rotate RV904, and adjust so that the bright/dark sections of
gray scale are displayed correctly. (The bright section should
be unsatisfactory till the cross hatch appears vague in the
monoscope circle. The dark section should be unsatisfactory
till the darkest section of the gray scale cannot be differentiate.)
gray scale are displayed correctly. (The bright section should
be unsatisfactory till the cross hatch appears vague in the
monoscope circle. The dark section should be unsatisfactory
till the darkest section of the gray scale cannot be differentiate.)
1-4-8. Horizontal Amplitude, Vertical Amplitude,
Focus Check
“1-4-5. Horizontal Amplitude Adjustment” and “1-4-6. Vertical
Amplitude Adjustment” should be both satisfy the specified values.
If not, perform the adjustments from the beginning again. In this
case, perform “1-4-7. Brightness Adjustment” again.
Moreover, check the focus, and if it found to be vague, perform “1-
4-3. Focus Adjustment” and “1-4-4. Aberration Adjustment”.
Amplitude Adjustment” should be both satisfy the specified values.
If not, perform the adjustments from the beginning again. In this
case, perform “1-4-7. Brightness Adjustment” again.
Moreover, check the focus, and if it found to be vague, perform “1-
4-3. Focus Adjustment” and “1-4-4. Aberration Adjustment”.
100%
16.5%
16.5%
5%
5%
Fig. 5-1-16.
5-24
1-5. LCD SYSTEM ADJUSTMENT
Note 1:
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.
Note 2:
When replacing the LCD unit, be careful to prevent damages
caused by static electricity.
caused by static electricity.
Note 3:
Set the LCD BRIGHT to the center.
Set the LCD COLOR (Menu display) to the center.
Set the LCD COLOR (Menu display) to the center.
[Adjusting connector]
Most of the measuring points for adjusting the LCD display are
concentrated in the following connector.
concentrated in the following connector.
CN5501 of the PD-105 board
Connect the Measuring Instruments via the multi CPC jig (J-6082-
311-A).
The following table shows the Pin No. and signal name of the
connector.
311-A).
The following table shows the Pin No. and signal name of the
connector.
1. LCD Initial Data Input
Mode
VTR stop
Signal
Arbitrary
Adjustment Page
E
Adjustment Address
AD to AF, B3 to BC, C2 to C4,
D1 to DF
D1 to DF
Adjusting method:
1)
1)
Select page: 0, address:01, and set data: 01.
2)
Select page: E, and input the data in the following table.
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.
3)
Select page: 0, address:01, and set data: 00.
Address
AD
AE
AF
B3
B4
B5
B6
B7
B8
B9
BA
BB
BC
C2
C3
C4
D1
D2
D3
D4
D5
D6
D7
D8
D9
DA
DB
DC
DD
DE
DF
Data
67
91
78
3F
C8
1F
1F
00
00
B0
4E
08
00
80
B3
E0
84
77
98
7B
DC
80
89
70
80
80
00
80
52
99
99
Remark
Fixed data
Fixed data
Fixed data
Fixed data
Fixed data
Fixed data
Fixed data
Fixed data
Fixed data
Fixed data
Fixed data
Fixed data
Fixed data
Fixed data
Fixed data
Fixed data
Bright adj.
Color adj.
White balance adj.
White balance adj.
Contrast adj.
D range adj.
V-COM level adj.
VCO adj.
V-COM adj.
Fixed data
Fixed data
Fixed data
Fixed data
Fixed data
Fixed data
Pin No.
1
3
5
7
9
Signal Name
VB
VG
VR
SYNC
GND
Pin No.
2
4
6
8
10
Signal Name
VCO VOLTAGE.
PANEL COM
N.C.
H START
GND
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