DSC-J20 (serv.man2) - Sony Digital Camera Service Manual (repair manual). Page 3

DSC-J20_ADJ

5-3

The item that has been adjusted may be disabled to be readjusted.
If the readjustment is required, or when replacing Optical Unit, CCD Block Assy, and Strobe PC Board Assy, it is necessary to enable the adjustment 
upon the 
following procedure.

1)  Press the Control button “ b ” “ B ” and “ v ” “ V ” to choose an adjustment item.

2)  Press the “ 

 (Playback)” button.

3)  Press the Control button “ b ”.
 (Disable 

“00001” 

→ Disable “00000”) (Fig. 5-1-6)

Example: For MB/LCD

The MB (Main Board)/LCD Function Check order is as follows.

If NG appears for more than one check item, confirm the adjusting 
environment and recheck. (Fig. 5-2-4)

Ver : 01.0000

RTC :

Iris :

MSHUT :

ZOOM :

STROB :

CARD :

Mem :

AUDIO:

Diff -

Cal Err

NG

-OK

-NG

-OK

-OK

-OK

-OK

-OK

RE

-OK

45

Example: NG appears for 
                Iris.

1)  Check that the camera is on the adjustment mode.

 Note:
 

For the setting procedure of the adjustment mode, refer to “5-1-5. Setting the Adjustment Mode” (Page 5-3).

2)  Place the camera in front of the Small pattern box (PTB-1450). (Fig. 5-2-2)
 

At this time, adjust the monitor frame so that the 9 colors chart is displayed over the screen.

3)  Press the Control button “ b ” “ B ” and “ v ” “ V ” to change selected item. Choose “MB/LCD”, 
 

press the Control button “ z ”, select “OK”, and press the Control button “ z ” to start.

 Note:
 

If the check is disabled, refer to “5-1-6. Enabling the Adjustment” to enable the check. (Page 5-3)

4)  Confirm the indication on the screen.
 

If OK appears for all check items, press the “ 

 (Playback)” button 

to return to adjustment menu. (Fig. 5-2-3)

Item

Description

RTC

Compare Crystal RTC time and OS time. If Crystal RTC time and OS time are the same, conform to spec.

Iris

Change difference aperture to check their luminance value. If it has different luminance value, conform to spec.

MSHUT

Change difference Mechanical Shutter ON/OFF to check their luminance value. If it has different luminance value,  
conform to spec.

ZOOM

Change difference Lens ZOOM IN/OUT position to check their zoom position value. If it has different zoom position
value, conform to spec.

STROB

Strobe board flash function, check if it can be triggered or not.

CARD

Check Memory card socket can be read/written.

Mem

Check Internal memory size, conform to spec.

AUDIO

REC/PLAY audio file, check Microphone and Speaker are working.

When performing adjustments using the 9 colors chart, insert the 
transparent window in the lower right position. (Fig. 5-2-1)

1)  Download the adjustment tool “ADJ_Tool_J20_Ver[][][].zip” from the TISS homepage.
 

Uncompress the “ADJ_Tool_J20_Ver[][][].zip”, then confirm that it includes the following items.

• EnableTest.txt
•  USB Driver (Folder)
• Zoom 

ADJ (Folder)

• Service Tool (Folder)

 

The above two folders “USB Driver” and “Zoom ADJ” are used in “5-3-1. Tele Limit Adjustment”. (Page 5-9)

 

The above folder “Service Tool” is used in “5-3-11. Set Language Destination”. (Page 5-10)

2)   Save the uncompressed file “EnableTest.txt” in the root directory of the Micro SD card after formatting it.

Note:
Saving it in other directories causes a malfunction of program.
Save the Micro SD card after confirming that the “EnableTest.txt” is empty.
Be sure to format the Micro SD card on the camera.
If “EnableTest.txt” is still remained after the adjustment, delete it.

3) With the camera turned off, insert the Micro SD card with the “EnableTest.txt” into the Memory card slot of the camera.

4)  Press the “ 

 (Playback)” button while pressing the “T (W/T)” lever and the Control button “ z ”.

5)  After a few seconds, the Adjustment mode screen will appear on the LCD display. (Fig. 5-1-4)

6)  Press the “ 

 (Playback)” button, the initial screen for the adjustment mode will appear. (Fig. 5-1-5)

Ver : 01.0000

RTC :

Iris :

MSHUT :

ZOOM :

STROB :

CARD :

Mem :

AUDIO:

Diff -

FINISH

OK

-OK

-OK

-OK

-OK

-OK

-OK

-OK

RE

-OK

56

Small pattern box

9 colors chart

Transparent window

Disable

00001

Capture

00000

FocusOnly

00001

AFClbtPass

00000

Disable

00000

Capture

00000

FocusOnly

00001

AFClbtPass

00000

Ver : 1.0000

No Box No.

DscID:80800948

MB/LCD
AF Clbt
OB Clbt
Wb/Agc
MeShut26
MeShut80
Light/S.S
Dark DPC
FlashWB

OK
OK
OK
OK
OK
OK
OK
OK
OK

OK
OK
OK
OK

USB Mode
Boot Type
Auto Clbt
LensOption
CKS 69569992

CT36110

Index : 19

1.0000

A0C19M000218

Index : 19

HW : 1

CLBTINFO

V

V

V

FOCUS

OBCLBT

WB/AGC

(Infinity)

(BLACK)

(LY10)

Equipment required: Small pattern box (PTB-1450)

Cover camera lens and
Small pattern box (PTB-1450)

(All black)

9 colors chart

Small pattern box
(PTB-1450)

Apporox 10cm

Black cloth

Camera