Sony Handycam RMT-708 Service, Service Manual, Page: 110 / 240

5-24
4. Contrast Adjustment (VF-123 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).
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.
Mode VTR stop
Signal No signal
Measurement Point Pin
!§
of CN910 (EVF VG) on
VC-195 board
Measuring Instrument Oscilloscope
Adjustment Page E
Adjustment Address C4
Specified Value A = 2.1
±
0.1V (NTSC)
A = 2.0
±
0.1V (PAL)
Fig. 5-1-14.
5. Backlight Consumption Current Adjustment (VF-122
board)
Set the backlight luminance and color temperature.
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-195 board
– Probe: Pin
!£
of CN910 (EVF BL)
on VC-195 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
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-123 board)
Correct the white balance.
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
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
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.
A
2H
7 step peak