Contrast Adjustment (Vf-119 Board); Backlight Comsumption Current Adjustment; White Balance Adjustment (Vf-119 Board) - Sony Handycam CCD-TR311 Service Manual

4. Contrast Adjustment (VF-119 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).
Mode VTR stop
Signal No signal
Pin !§ of CN910 (EVF VG) on
Measurement Point
VC-195 board
Measuring Instrument Oscilloscope
Adjustment Page E
Adjustment Address C4
A = 2.0 ± 0.1V
Specified Value
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. 5-1-14.
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.
5-24
VTR stop
No signal
+ Probe: Pin !¢ of CN910
(EVF BL 4.75V) on VC-195 board
– Probe: Pin !£ of CN910 (EVF BL)
on VC-195 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.