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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).
Mode
VTR stop
Signal
No signal
Pin !§ of CN910 (EVF VG) on
Measurement Point
VC-215 board
Measuring Instrument
Oscilloscope
Adjustment Page
E
Adjustment Address
C4
Specified Value
A = 2.0 ± 0.1V
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
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.
4) Press the PAUSE button of the adjusting remote commander.
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.
7 step peak
A
Fig. 5-1-15.
2H
5. Backlight Consumption Current Adjustment (VF-120
board)
Set the backlight luminance and color temperature.
If deviated, the image may become dark or bright.
Mode
Signal
Measurement Point
Measuring Instrument
Adjustment Page
Adjustment Address
Specified Value
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
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
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.
Mode
Signal
Measurement Point
Measuring Instrument
Adjustment Page
Adjustment Address
Specified Value
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
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
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.
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.
Note:
To write in the non-volatile memory (EEPROM), press
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
button of the adjusting remote commander.
8) Select page: 0, address: 01, and set data: 00.
5-26
VTR stop
No signal
+ Probe: Pin !¢ of CN910
(EVF BL 4.75V) on VC-215 board
– Probe: Pin !£ of CN910 (EVF BL)
on VC-215 board
Digital voltmeter
E
CC
A = 21.0 ± 1.0 mVdc
VTR stop
No signal
Check on EVF screen
E
C5, C6
The EVF screen should not be colored.
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