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5-23
1-4. MONOCHROME ELECTRONIC VIEWFINDER
SYSTEM ADJUSTMENTS
Note:
NTSC model: CCD-TRV75/TRV75PK/TRV715
PAL model : CCD-TRV3E/TRV13E/TRV23E/TRV45E/
PAL model : CCD-TRV3E/TRV13E/TRV23E/TRV45E/
TRV55E/TRV65E/TRV69E
1-4-1. Horizontal Slant Check
Adjusting method:
1) Adjust RV904 (BRIGHT) (VF-99 board) so that the CRT can be
1) Adjust RV904 (BRIGHT) (VF-99 board) so that the CRT can be
seen easily and clearly.
2) Check that the difference between the horizontal line and the tilt
of the black mask satisfies the specified value.
Mode
Playback
Signal
Alighment tape :
For checking operations
For checking operations
(WR5-5NSP (NTSC))
(WR5-5CSP (PAL))
(WR5-5CSP (PAL))
Monoscope section
Specified Value
±
1.5
°
Fig. 5-1-12.
Fig. 5-1-13.
1-4-2. Centering Adjustment
Adjusting method:
1) Use the centering adjustment ring and adjust so that the left,
1) Use the centering adjustment ring and adjust so that the left,
right, top, and bottom sides of the display are uniform. (Refer to
Fig. 5-1-13.)
Fig. 5-1-13.)
Note :
As the centering position changes due to earth magnetism,
rotate it 360˚ in the horizontal direction, and adjust with
the center section of the modifying position.
rotate it 360˚ in the horizontal direction, and adjust with
the center section of the modifying position.
Mode
Playback
Signal
Alighment tape :
For checking operations
For checking operations
(WR5-5NSP (NTSC))
(WR5-5CSP (PAL))
(WR5-5CSP (PAL))
Monoscope section
Specified Value
±
4%
Mode
Playback
Signal
Alighment tape :
For checking operations
For checking operations
(WR5-5NSP (NTSC))
(WR5-5CSP (PAL))
(WR5-5CSP (PAL))
Monoscope section
Fig. 5-1-14.
1-4-3. Focus Adjustment
Adjusting method:
1) Adjust the focus ring to obtain the optimum focus. (Refer to Fig.
1) Adjust the focus ring to obtain the optimum focus. (Refer to Fig.
5-1-13.)
C909
SOL901
RV903
RV904
VF-99 BOARD (SIDE A)
5-24
1-4-4. Aberration Adjustment
Mode
VTR stop
Signal
Dot pattern
Specified Value
b1 2 • a1
b2 0.8 • a2
b2 0.8 • a2
Adjusting method:
1) Adjust the aberration adjustment ring so that the tracing of the
1) Adjust the aberration adjustment ring so that the tracing of the
dot satisfies the specified value.
2) If the centering becomes displaced here, perform the centering
adjustment from the beginning again.
Fig. 5-1-15.
1-4-5. Horizontal Amplitude Adjustment
(VF-99 board)
Mode
Playback
Signal
Alighment tape :
For checking operations
For checking operations
(WR5-5NSP (NTSC))
(WR5-5CSP (PAL))
(WR5-5CSP (PAL))
Monoscope section
Adjusting Element
C909 (SOL901)
Specified Value
±
1.5
°
Adjusting method:
1) Rotate RV903, and adjust the top and bottom sides of the
1) Rotate RV903, and adjust the top and bottom sides of the
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
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 14
direction over scan becomes 14
±
6% (Left and right totals).
Fig. 5-1-16.
SOL901
Size H
Open
Small
Short
Big
C909
SOL901
RV903
RV904
VF-99 BOARD (SIDE A)
5-25
Mode
Playback
Signal
Alighment tape :
For checking operations
For checking operations
(WR5-5NSP (NTSC))
(WR5-5CSP (PAL))
(WR5-5CSP (PAL))
Monoscope section
Specified Value
RV904
1-4-6. Vertical Amplitude Adjustment (VF-99 board)
Mode
Playback
Signal
Alighment tape :
For checking operations
For checking operations
(WR5-5NSP (NTSC))
(WR5-5CSP (PAL))
(WR5-5CSP (PAL))
Monoscope section
Adjusting Element
RV903
Specified Value
10
±
3%
Adjusting method:
1) Adjust RV903 so that the vertical direction over scan becomes
1) Adjust RV903 so that the vertical direction over scan becomes
10
±
3% (Top and bottom totals).
Fig. 5-1-17.
1-4-7. Brightness Adjustments (VF-99 board)
Adjusting method:
1) Rotate RV904, and adjust so that the bright/dark sections of the
1) Rotate RV904, and adjust so that the bright/dark sections of the
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 and the second darkest section of the gray scale cannot
be differentiated.)
unsatisfactory till the cross hatch appears vague in the monoscope
circle. The dark section should be unsatisfactory till the darkest
section and the second darkest section of the gray scale cannot
be differentiated.)
1-4-8. Horizontal Amplitude, Vertical Amplitude, Focus
Check
“1-4-5. Horizontal Amplitude Adjustment” and “1-4-6. Vertical
Amplitude Adjustment” should both satisfy the specified values. If
not, perform the adjustments from the beginning again. In this case,
perform “1-4-7. Brightness, Contrast Adjustments” 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 both satisfy the specified values. If
not, perform the adjustments from the beginning again. In this case,
perform “1-4-7. Brightness, Contrast Adjustments” again.
Moreover, check the focus, and if it found to be vague, perform “1-
4-3. Focus Adjustment” and “1-4-4. Aberration Adjustment”.
C909
SOL901
RV903
RV904
VF-99 BOARD (SIDE A)
5-26
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.
AC 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.
damages caused by static electricity.
Note3:
Set the brightness to the center using the LCD BRIGHT
button.
button.
Note4:
2.5"LCD model:
PD-92board, Ref. No.5000 series
3"/3.5"LCD model:
PD-93board, Ref. No.4000 series
Note5:
2.5" LCD model :
CCD-TRV3E/TRV13E/TRV23E/TRV65E/TRV69E
3" LCD model : CCD-TRV75/TRV75PK/TRV715
3.5" LCD model : CCD-TRV45E/TRV55E
3.5" LCD model : CCD-TRV45E/TRV55E
[Adjusting connector]
Most of the measuring points for adjusting the LCD display are
concentrated in the following connector.
CN5501 of the PD-92 board (2.5"LCD model)
CN4501 of the PD-93 board (3"/3.5"LCD model)
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.
concentrated in the following connector.
CN5501 of the PD-92 board (2.5"LCD model)
CN4501 of the PD-93 board (3"/3.5"LCD model)
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.
Pin No. Signal name
Pin No. Signal name
1
VB
2
VCO VOLTAGE.
3
VG
4
PANEL COM
5
VR
6
N.C.
7
SYNC / HD
8
H START
9
GND
10
GND
[LCD type check]
By measuring the resistor value between Pin
6 of CN5501/4501
and Pin
!º of CN5501/4501, the type of LCD can be discriminated.
PD-92board CN5501
Resistor LCD type
Model
value
8.2k
8.2k
Ω
2.5" TYPE S (61k)
CCD-TRV23E
6.8k
Ω
2.5" TYPE S (84k)
CCD-TRV65E/TRV69E
3.9k
Ω
2.5" TYPE C PAL
CCD-TRV3E/ TRV13E
PD-93board CN4501
Resistor LCD type
Model
value
4.7k
4.7k
Ω
3" TYPE S NTSC
CCD-TRV75/TRV75PK/
TRV715
6.8k
Ω
3.5" TYPE S PAL
CCD-TRV45E/TRV55E
1. LCD Initial Data Input
Mode
VTR stop
Signal
Arbitrary
Adjustment Page
E
Adjustment Address
A5 to A7, B0 to B9, BF, C0, C1, CF,
D0 to DD
D0 to DD
Adjusting method:
1) Select page: 0, address: 01, and set data: 01.
2) Select page: D, and input the data in the following table.
1) Select page: 0, address: 01, and set data: 01.
2) Select page: D, and input the data in the following table.
Note:
To write in the non-volatile memory (EEPROM), press
the PAUSE button of the adjusting remote commander each
time to set the data.
the PAUSE button of the adjusting remote commander each
time to set the data.
3) Select page: 0, address: 01, and set data: 00.
< >
: NTSC model only
[ ]
: PAL model only
Note1:
B0: NTSC model
F0: PAL model
F0: PAL model
Note2:
A4: 2.5" LCD model
8B: 3" LCD model
91: 3.5" LCD model
8B: 3" LCD model
91: 3.5" LCD model
Note3:
D8: 2.5" LCD TYPE S model
CF: 2.5" LCD TYPE C model
B8: 3" LCD model
B7: 3.5" LCD model
CF: 2.5" LCD TYPE C model
B8: 3" LCD model
B7: 3.5" LCD model
Note4:
00: NTSC model
7A: LCD TYPE S PAL model
77: LCD TYPE C PAL model
7A: LCD TYPE S PAL model
77: LCD TYPE C PAL model
Note5:
LCD TYPE S/LCD TYPE C
A5
53
Fixed value
A6
96
Fixed value
A7
68
Fixed value
B0
3F
Fixed value
B1
C8
Fixed value
B2
1F
Fixed value
B3
1F
Fixed value
B4
00
Fixed value
B5
00
Fixed value
B6
Note1 Fixed value
B7
4E
Fixed value
B8
08
Fixed value
B9
00
Fixed value
BF
80
[VCO adjustment] <Fixed value>
C0
Note2 Fixed value
C1
Note3 Fixed value
CF
69/84 Bright adjustment (Note 5)
D0
7A/77 Color adjustment (Note 5)
D1
AA/98 White balance adjustment (Note 5)
D2
9C/7B White balance adjustment (Note 5)
D3
B1/DC Contrast adjustment (Note 5)
D4
B1/80 D range adjustment (Note 5)
D5
94/89 V-COM level adjustment (Note 5)
D6
80
VCO adjustment
D7
80
V-COM level adjustment
D8
80
Fixed value
D9
Note4 [Color adjustment] <Fixed value>
DA
80
Fixed value
DB
52
Fixed value
DC
99
Fixed value
DD
99
Fixed value
Address Data
Remark
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