DSC-W670 (serv.man2) - Sony Digital Camera Service Manual (repair manual). Page 5

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DSC-W670_ADJ
5-5
The adjustment is finished normally.
OB VAL:
R OFFS:
G OFFS:
B OFFS:
0x07ab
0x07ac
0x07ad
Limit:4 3840
Time:2341
FINISH
T
OK
Fig. 5-3-
11
The adjustment is complete.
Adjustment order
Screen display
5-3-
4
. OB Adjustment
The OB (Optically Black) Adjustment order is as follows.
Check that the camera is on the adjustment mode.
* For the setting procedure of the adjustment mode, refer to “5-1-5. Setting the Adjustment Mode” (Page 5-3).
Cover camera lens (All black). (Fig. 5-3-
10
)
Press the Control button “ b ” “ B ” and “ v ” “ V ” to change selected item. Choose “OB CLBT (BLACK)”, 
press the Control button “ z ”, select “OK”, and press the Control button “ z ” to start.
* If the adjustment is disabled, refer to “5-1-6. Enabling the Adjustment” to enable the adjustment. (Page 5-3)
In case of the adjustment is finished normally, 
the adjustment completion indication appears 
on the screen. (Fig. 5-3-
11
)
Press the “      (Playback)” button to return to 
adjustment menu.
Finished normally.
Finished abnormally.
In case of the indication other than that shown in 
Fig. 5-3-
11
 appears on the screen, confirm the 
adjusting environment and readjust.
Confirm the indication
on the screen.
Camera
Equipment required: Cover camera lens
(All black)
Black cloth
Fig. 5-3-
10
The changed portions from
Ver. 1.0 are shown in blue.
Ver. 1.1 2012.06
5-3-
3
. Focus Adjustment
The Focus Adjustment order is as follows.
Note: 
When using the Flange back adjustment jig, take care of the following points:
•  For the illumination, use a light source such as an incandescent lamp or inverter type fluorescent light free from flickering.
•  Do not make an adjustment in the environment where fluorescent lamp flickering occurs even if the illuminance can be ensured with the room illumination only.
•  Use an incandescent lamp or inverter type fluorescent light at a place free from the influence of room illumination.
1)  Install the Flange back adjustment jig so that the distance between 
it and the front of lens of camera is 10 mm or less.
Note:
Take care not to hit the Flange back adjustment jig when extending the lens.
2)  Make the height of Flange back adjustment jig and the camera equal.
3)  Check that the center of chart meets the center of shot image screen.
Illuminance = 1000 ± 200 lx
Adjustment order
Screen display
The adjustment is finished normally.
******
IN FOCUS
******
0,3,462
1,-8,495
2,-2,506
3,0,491
4,3,496
5,0,477
6,2,464
7,0,451
8,0,446
9,1,417
10,-2,361
11,2,323
12,1,298
13,3,290
14,3,429
Getsum 0xDE
OK
Fig. 5-3-
8
The adjustment is complete.
The adjustment is finished abnormally.
******
INF FOCUS
******
Rig AF Focus Over Range ..
Cali Fr
NG
Fig. 5-3-
9
Malfunction of Focus 
adjustment result
Check that the camera is on the adjustment mode.
* For the setting procedure of the adjustment mode, refer to “5-1-5. Setting the Adjustment Mode” (Page 5-3).
Place the camera in front of the Flange back adjustment jig. (Fig. 5-3-
7
)
In case of the adjustment is finished abnormally,
the following indication appears on the screen.
(Fig. 5-3-
9
)
In this case, confirm the adjusting environment
and readjust.
Press the Control button “ b ” “ B ” and “ v ” “ V ” to change selected item. Choose “FOCUS (Infinity)”,
press the Control button “ z ”, select “OK”, and press the Control button “ z ” to start.
* If the adjustment is disabled, refer to “5-1-6. Enabling the Adjustment” to enable the adjustment. (Page 5-3)
In case of the adjustment is finished normally,
the adjustment completion indication appears
on the screen. (Fig. 5-3-
8
)
Press the “
(Playback)” button to return to
adjustment menu.
Finished normally.
Finished abnormally.
Confirm the indication
on the screen.
Flange back adjustment jig
10 mm or less
Camera
Equipment required: Flange back adjustment jig
Fig. 5-3-
7
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