Sony DCR-TRV320 Service Manual page 169

6. Backlight Consumption Current Adjustment
(VF-141 board)
Set the backlight luminance and color temperature.
If deviated, the image may become dark or bright.
Mode Camera
Subject Arbitrary
Measurement Point +Probe: Pin 0 of CN1108 (EVF BL
4.6V on VC-235 board
-Probe: Pin 9 of CN1108 (EVF BL)
on VC-235 board
Measuring Instrument Digital voltmeter
Adjustment Page D
Adjustment Address 9C, 9D, 9E
Specified Value COLOR LCD EVF model:
B/W LCD EVF model:
Note: COLOR LCD EVF model:
DCR-TRV525/TRV620E/TRV720/TRV720E
B/W LCD EVF model:
DCR-TRV320E: AEP, UK, EE, NE, RU/
TRV420E: AEP/TRV520E: AEP
Adjusting method:
1) Select page: 0, address: 01, and set data: 01.
2) Select page: D, address: 9D, change the data, and set the votage
difference (A) between Pin 0 of CN1108 (EVF BL 4.6V) and
Pin 9 of CN1108 (EVF BL) to thes pecified value of BRIGHT
mode.
(The data of address: 9D, should be "00" to "3F")
3) Press the PAUSE button of adjustment remote commander.
4) Read the adjustment data of step 2), and this data is named D
5) Convert D to decimal notation, and obtain D
9D
(Refer to Table 5-4-1. "Hexdecimal-decimal conversion table"
of"5-4. Service Mode".)
6) Calculate D ' using following equations (decimal calculation),
9C
convert it to a hexdecimal number, and obtain D
D '=D '+192
9C 9D
7) Select page: D, address: 9C, set data D
PAUSE button of adjustment remote commander.
8) Select page: D, address: 9E, change the data, and set the votage
difference (A) between Pin 0 of CN1108 (EVF BL 4.6V) and
Pin 9 of CN1108 (EVF BL) to the specified value of NORMAL
mode.
(The data of address: 9D, should be "00" to "1F")
9) Press the PAUSE button of adjustment remote commander.
10) Select page: 0, address: 01, and set data: 00.
BRIGHT mode: A=15.0 ± 1 mV
NORMAL mode: A=10.0 ± 1 mV
BRIGHT mode: A=11.0 ± 1 mV
NORMAL mode: A=7.0 ± 1 mV
'.
9D
.
9C
, and then press the
9C
7. White Balance Adjustment (VF-141 board)
(DCR-TRV525/TRV620E/TRV720/TRV720E)
Correct the white balance.
If deviated, the EVF screen color cannot be reproduced.
Mode
Subject
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: D, address: 97 and 98, and set the data to the initial
value.
Note: To write in the non-volatile memory (EEPROM), press
the PAUSE button of the adjustment remote commander
each time to set the data.
Address
97
98
3) Check that the EVF screen is not colored. If colored, change
the data of page: D, address: 97 and 98 so that the EVF screen
is not colored.
Note: To write in the non-volatile memory (EEPROM), press
the PAUSE button of the adjustment remote commander
each time to set the data.
4) Select page: 0, address: 01, and set data: 00.
.
9D
5-32
Camera
Arbitrary
Check on EVF display
D
97, 98
The EVF screen should not be colored.
Data
80
80