Sony Handycam Vision DCR-TRV5, Service Manual

Page: 94 / 165

5-13
9. IRIS IN/OUT Adjustment
For the unit to judge if the white balance is indoors or outdoors in
auto white balance operations, measure the light level and write it
in the EEPROM.
If the level is not correct, the white balance will not be accurate.
Subject
Measurement Point
Measuring Instrument
Adjustment Page
Adjustment Address
Clear chart
(Color bar standard picture frame)
DDS display of LCD or TV monitor
(Note 1)
F
36, 37
Note :
The right four digits of the display data at the right bottom side of
the LCD and TV monitor is the LIGHT LEVEL data.
CA 00 XX XX
Lower two digits
Upper two digits
Switch setting:
1)
STEADY SHOT (Menu display) ..................................... OFF
Adjusting method:
1)
Select page: 0, address: 01, and set data: 01.
2) Select page: D, address: 11, and set data: 12, and press the
PAUSE button of the adjustment remote commander.
3) Select page: 6, address: 00, and set data: 01.
4) Select page: 6, address: 04, and set data: 06.
5) Select page: 6, address: 40, and set data: 02.
6) Select page: 6, address: 01, set data: 0B, and press the PAUSE
button of the adjustment remote commander.
7) Read the DDS display data (Note 1), and take the upper two
digits as D
1
and the lower two as D
2
.
8) Convert D
1
to decimal notation, and obtain D
1
'. (Refer to “Table
5-4-1. Hexadecimal notation - decimal notation conversion
table” of “5-4. Service mode”. )
9) Calculate D
3
' using the following equations. (Equations 1 and
2 are for decimal notation calculation).
When D
2
D0
D
3
' = D
1
' – 21 Equation 1
When D
2
< D0
D
3
' = D
1
' – 22 Equation 2
10) Convert D
3
' to hexadecimal notation, and obtain D
3
.
11) Select page: F, address: 36, set data: D
3
, and press the PAUSE
button of the adjustment remote commander.
12) Select page: 6, address: 01, set data: 09, and press the PAUSE
button of the adjustment remote commander.
13) Read the DDS display data (Note 1), and take the upper two
digits as D
4
and the lower two as D
5
.
14) Convert D
4
to decimal notation, and obtain D
4
'.
15) Calculate D
6
' using the following equations. (Equations 3 and
4 are for decimal notation calculation).
When D
5
F0
D
6
' = D
4
' – 13 Equation 3
When D
5
< F0
D
6
' = D
4
' – 14 Equation 4
16) Convert D
6
' to hexadecimal notation, and obtain D
6
.
17) Select page: F, address: 37, set data: D
6
, and press the PAUSE
button of the adjustment remote commander.
Processing after Completing Adjustments
1)
Select page: D, address: 11, and set data: 10, and press the
PAUSE button of the adjustment remote commander.
2) Select page: 0, address: 01, and set data: 00.
3) Select page: 6, address: 00, and set data: 00.
4) Select page: 6, address: 01, and set data: 00, and press the
PAUSE button of the adjustment remote commander.
5) Select page: 6, address: 04, and set data: 00.
6) Select page: 6, address: 40, and set data: 00.