CCD-TRV101, CCD-TRV101E - Sony Movie Service Manual (repair manual). Page 123

6-14

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 on the EVF or monitor

Measuring Instrument

TV, or the page 1 data display on the
adjustment remote commander.

Adjustment Page

F

Adjustment Address

3B
3C

Specification

13 to 17h when iris is opened. (Note 1)
7D to 81h when iris is closed. (Note 2)

Note 1 :

Set data : 01 to page : 2, address : 01, and press the PAUSE
button of the adjusting remote commander.

Note 2 :

Set data : 03 to page : 2, address : 01, and press the PAUSE
button of the adjusting remote commander.

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 1 of the adjustment remote
commander.

Order

Page

Address

Data

Procedure

1

0

01

01

Set the data. (Preparation)

2

0

03

03

Set the data.

3

D

10

21

After setting the data, press the PAUSE button.

4

2

01

03

After setting the data, press the PAUSE button.

5

F

3B

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

.

6

F

3B

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

.

7

2

01

01

After setting the data, press the PAUSE button.

8

F

3B

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

.

9

F

3B

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

.

10

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 6-13 

〈

How to convert the hexadecimal number to decimal

number or “Hexadecimal-Decimal Conversion Table”.)

11

A' = W

2

' + K

1

' – W

1

'

 –K

2

' ............................ equation 1

B' = W

1

' –K

1

'

..................................... equation 2

X

1

' =

 1728 + (48

×

A' )–(16

×

B' ) ..................

equation 3

 A'

12

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.)

13

F

3B

Set the data X

1

 (obtained at step 12).

14

Press the PAUSE button.

15

F

3C

Change the data until 15 appears on the DDS display.

16

Press the PAUSE button.

17

2

01

03

After setting the data, press the PAUSE button.

18

If the DDS display shows the data in the range from 7D to 81, 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 19 and followings.

1 : XX : XX

W

2