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5-24
2. VCO Adjustment (VF-119 board)
Set the VCO free-run frequency. If deviated, the EVF screen will be
blurred.
blurred.
Mode
VTR stop
Signal
No signal
Measurement point
Pin
!∞ of CN910 (VCO) on VC-215
board
Measuring instrument
Oscilloscope (DC range)
Adjustment page
E
Adjustment address
C2
Specified value
A = 1.8 ± 0.1Vdc
Adjusting method:
1) Select page: 0, address: 01, and set data: 01.
2) Select page: 3, address: 01, set data: 55, and press the PAUSE
1) Select page: 0, address: 01, and set data: 01.
2) Select page: 3, address: 01, set data: 55, and press the PAUSE
button of the adjusting remote commander.
3) Check the GND level of the oscilloscope.
5) Select page: E, address: C2, change the data and set the VCO
5) Select page: E, address: C2, change the data and set the VCO
output voltage (A) to the specified value.
4) Press the PAUSE button of the adjusting remote commander.
5) Select page: 3, address: 01, set data: 00, and press the PAUSE
5) Select page: 3, address: 01, set data: 00, and press the PAUSE
button of the adjusting remote commander.
6) Select page: 0, address: 01, and set data: 00.
3. Bright Adjustment (VF-119 board)
Set the level of the VIDEO signal for driving the LCD to the speci-
fied value. If deviated, the screen image will be blackish or satu-
rated (whitish).
fied value. If deviated, the screen image will be blackish or satu-
rated (whitish).
Mode
VTR stop
Signal
No signal
Measurement point
Pin
!§ of CN910 (EVF VG) on VC-215
board
Measuring instrument
Oscilloscope
Adjustment page
E
Adjustment address
C3
Specified value
A = 7.2 ± 0.1 V
Adjusting method:
1) Select page: 0, address: 01, and set data: 01.
2) Select page: 3, address: 01, set data: 55, and press the PAUSE
1) Select page: 0, address: 01, and set data: 01.
2) Select page: 3, address: 01, set data: 55, and press the PAUSE
button of the adjusting remote commander.
3) Select page: E, address: C3, change the data and set the voltage
(A) between the reversed waveform pedestal and non-reversed
waveform pedestal to the specified value.
waveform pedestal to the specified value.
4) Press the PAUSE button of the adjusting remote commander.
5) Select page: 3, address: 01, set data: 00, and press the PAUSE
5) Select page: 3, address: 01, set data: 00, and press the PAUSE
button of the adjusting remote commander.
6) Select page: 0, address: 01, and set data: 00.
Fig. 5-1-13.
Fig. 5-1-14.
H
A
GND level
(0 Vdc)
(0 Vdc)
A
2H
5-25
4. Contrast Adjustment (VF-119 board)
Set the level of the VIDEO signal for driving the LCD to the speci-
fied value. If deviated, the screen image will be blackish or satu-
rated (whitish).
fied value. If deviated, the screen image will be blackish or satu-
rated (whitish).
Adjusting method:
1) Select page: 0, address: 01, and set data: 01.
2) Select page: 3, address: 01, set data: 55, and press the PAUSE
1) Select page: 0, address: 01, and set data: 01.
2) Select page: 3, address: 01, set data: 55, and press the PAUSE
button of the adjusting remote commander.
3) Select page: E, address: C4, change the data and set the voltage
(A) between the 7 step peak and the pedestal to the specified
value.
value.
4) Press the PAUSE button of the adjusting remote commander.
5) Select page: 3, address: 01, set data: 00, and press the PAUSE
5) Select page: 3, address: 01, set data: 00, and press the PAUSE
button of the adjusting remote commander.
6) Select page: 0, address: 01, and set data: 00.
Mode
VTR stop
Signal
No signal
Measurement Point
Pin
!§ of CN910 (EVF VG) on
VC-215 board
Measuring Instrument
Oscilloscope
Adjustment Page
E
Adjustment Address
C4
Specified Value
A = 2.1 ± 0.1V
Fig. 5-1-15.
5. Backlight Consumption Current Adjustment (VF-120
board)
board)
Set the backlight luminance and color temperature.
If deviated, the image may become dark or bright.
If deviated, the image may become dark or bright.
Mode
VTR stop
Signal
No signal
Measurement Point
+ Probe: Pin
!¢ of CN910
(EVF BL 4.75V) on VC-215 board
– Probe: Pin
– Probe: Pin
!£ of CN910 (EVF BL)
on VC-215 board
Measuring Instrument
Digital voltmeter
Adjustment Page
E
Adjustment Address
CC
Specified Value
A = 21.0 ± 1.0 mVdc
Note:
Adjust 30 seconds after running on the power supply.
Adjusting method:
1) Select page: 0, address: 01, and set data: 01.
2) Select page: 3, address: 01, set data: 55, and press the PAUSE
1) Select page: 0, address: 01, and set data: 01.
2) Select page: 3, address: 01, set data: 55, and press the PAUSE
button of the adjusting remote commander.
3) Select page: E, address: CC, change the data and set the voltage
difference (A) between Pin
!¢ of CN910 (EVF BL 4.75V) and
Pin
!£ of CN910 (EVF BL) to the specified value.
4) Press the PAUSE button of the adjusting remote commander.
5) Select page: 3, address: 01, set data: 00, and press the PAUSE
5) Select page: 3, address: 01, set data: 00, and press the PAUSE
button of the adjusting remote commander.
6) Select page: 0, address: 01, and set data: 00.
6. White Balance Adjustment (VF-119 board)
Correct the white balance.
If deviated, the reproduction of the EVF screen may degenerate.
If deviated, the reproduction of the EVF screen may degenerate.
Mode
VTR stop
Signal
No signal
Measurement Point
Check on EVF screen
Measuring Instrument
Adjustment Page
Adjustment Page
E
Adjustment Address
C5, C6
Specified Value
The EVF screen should not be colored.
Adjusting method:
1) Select page: 0, address: 01, and set data: 01.
2) Select page: 3, address: 01, set data: 51, and press the PAUSE
1) Select page: 0, address: 01, and set data: 01.
2) Select page: 3, address: 01, set data: 51, and press the PAUSE
button of the adjusting remote commander.
3) Select page: 2, address: 7D, and set data: 03.
4) Select page: E, address: C5 and C6, set the data to the initial
4) Select page: E, address: C5 and C6, set the data to the initial
value.
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.
Address
C5
C6
Data
80
80
5) Check that the LCD screen is not colored. If colored, change the
data of page: E, address: C5 and C6 so that the EVF screen is
not colored.
not colored.
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.
6) Select page: 2, address: 7D, and set data: 00.
7) Select page: 3, address: 01, set data: 00, and press the PAUSE
7) Select page: 3, address: 01, set data: 00, and press the PAUSE
button of the adjusting remote commander.
8) Select page: 0, address: 01, and set data: 00.
A
2H
7 step peak
5-26
Mode
Playback
Signal
Alighment tape :
For checking operations
For checking operations
(WR5-5NSP)
Monoscope section
Specified Value
± 4%
Mode
Playback
Signal
Alighment tape :
For checking operations
For checking operations
(WR5-5NSP)
Monoscope section
Specified Value
± 1.5 °
1-5. MONOCHROME ELECTRONIC VIEWFINDER
SYSTEM ADJUSTMENTS
Note:
CCD-TR315
CCD-TRV16/TRV16PK/TRV36/TRV36PK/TRV43/
CCD-TRV16/TRV16PK/TRV36/TRV36PK/TRV43/
TRV46/TRV46PK
1-5-1. 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.
Fig. 5-1-16.
Fig. 5-1-17.
1-5-2. 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. 5-1-17.)
Fig. 5-1-17.)
Note :
As the centering position changes due to earth magne-
tism, rotate it 360˚ in the horizontal direction, and adjust
with the center section of the modifying position.
tism, 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)
Monoscope section
Fig. 5-1-18.
1-5-3. 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.
5-1-17.)
C909
SOL901
RV903
RV904
VF-99 BOARD (SIDE A)
5-27
1-5-4. 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. 5-1-19.
1-5-5. Horizontal Amplitude Adjustment
(VF-99 board)
Mode
Playback
Signal
Alighment tape :
For checking operations
For checking operations
(WR5-5NSP)
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 ca-
3) Solder or unsolder SOL901 pattern of the H size adjustment ca-
pacitor (C909) to “short” or “open”, so that the horizontal
direction over scan becomes 14 ± 6% (Left and right totals).
direction over scan becomes 14 ± 6% (Left and right totals).
Fig. 5-1-20.
SOL901
Size H
Open
Small
Short
Big
C909
SOL901
RV903
RV904
VF-99 BOARD (SIDE A)
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