Sony Handycam DCR-PC10, Service Manual

Page: 85 / 181

5-8
A : XX : XX
W
1,
W
2,
......
1-2-7. HALL Adjustment
Purpose: Variation of the HALL element outputs is
removed by adjusting amplifier gain and offset.
The HALL elements detect the lens iris
position.
Adjustment error: Oscillation of lens iris, or incorrect white
balance indoor and outdoor.
Subject Not required
Measurement Point DDS display of EVF or LCD, or
Measuring Instrument page: A display data of adjustment
remote commander
Adjustment Page F
Adjustment Address 1E, 1F
Specification 15 to 19h when iris is opened. (Note 1)
88 to 8Ch when iris is closed. (Note 2)
Note 1: Set page : 6, address : 01, data : 01, and press the PAUSE
button of the adjustment remote commander.
Note 2:
Set page : 6, address : 01, data : 03 and press the PAUSE
button of the adjustment remote commander.
Adjustment procedure:
Note 3: Lower two digits of the data which is displayed at the
right bottom of he EVF or TV monitor, or the lower 2
digits of the 4 digit display data of page A of the
adjustment remote commander.
Order Page Address Data Procedure
1 0 01 01 Set the data. (Preparation 1)
2 D 11 02 After setting the data, press the PAUSE button.
3 6 00 01 Set the data. (Preparation 2)
4 6 04 03 Set the data.
5 6 01 03 After setting the data, press the PAUSE button.
6 F 1E 40 After setting the data, press the PAUSE button. Read the data appearing on the DDS
display (Note 3). The read-out data is W
2
.
7 F 1E 30 After setting the data, press the PAUSE button. Read the data appearing on the DDS
display (Note 3). The read-out data is W
1
.
8 6 01 01 After setting the data, press the PAUSE button.
9 F 1E 30 After setting the data, press the PAUSE button. Read the data appearing on the DDS
display (Note 3). The read-out data is K
1
.
10 F 1E 40 After setting the data, press the PAUSE button. Read the data appearing on the DDS
display (Note 3). The read-out data is K
2
.
11 Convert the data W
1
, W
2
, K
1
and K
2
into the decimal numbers. The result decimal numbers
are W
1
', W
2
', K
1
' and K
2
'. (Use page 5-73 “Hexadecimal-Decimal Conversion Table”.)
12 A' = W
2
' + K
1
' – W
1
' –K
2
' ........................................... equation 1
B' = W
1
' –K
1
' ..................................................... equation 2
X
1
' =
1840 + (48
×
A' )–(16
×
B' ) ..................................
equation 3
A'
13 Convert the decimal number X
1
' to the hexadecimal number to obtain X
1
. (Round the
number X
1
to count fractions of 0.5 and over as a unit and cut away the rest.)
14 F 1E Set the data X
1
(obtained at step 13).
15 Press the PAUSE button.
16 F 1F Change the data until 17 appears on the DDS display.
17 Press the PAUSE button.
18 6 01 03 After setting the data, press the PAUSE button.
19 If the DDS display shows the data in the range from 88 to 8C, it indicates the end of
adjustment, and proceed to the item “Processing after Adjustments”. If it is not, use the
DDS display data as W
0
and proceed to step 20 and followings.