Final Inspection - Sony DSC-W350 Service Manual

1-10. FINAL INSPECTION

1-10-1. Confirm There Is No Fault In Actual Motion/Actual Screen
Inspect it as follows when you exchange parts in the lens block.
1 Zoom motion (Check five postures: horizontal, upward/downward, upper/lower oblique 45º)
No abnormal sound or motion must be found over full stroke between TELE end and WIDE end.
2 Zoom image
No abnormality such as a skipped image or wavy image must be found in the image through LCD or finder over full stroke between
TELE end and WIDE end.
3 Barrier (Check five postures: horizontal, upward/downward, upper/lower oblique 45º)
The barrier must be opened and closed fully, free from a sticking in the midway.
No abnormal sound must be heard during the operation.
4 Appearance condition
Scratches or stains must not be noticeable, except that the customer permits them.
5 Foreign matters on the lens
The lens condition must not be worse than that when the camera was received from the customer.
Lens at WIDE end
Full stroke check
Lens at TELE end
DSC-W350_L2
Upward
Horizontal
Downward
1-10-2. Inspection When Tube (A) Assy Or Cam Tube Is Replaced
Focus check
1 Preparation
• Camera installed re-assemble lens.
• Chart (Printed PDF file at the same magnification) (Refer to <Reference>)
• Tripod
• Mirror (ex. CD)
• Memory card
• PC
2 Shoot setting
(1) Paste the chart.
• Chart should be on the flat wall.
• Illuminance level in the chart should be the same.
• Make the tripod's height and the center of the chart to the same height.
• Enough space needed for shooting.
(2) Set the camera.
• Set [P] mode
• Set [Maximum] size
• Set ISO lowest level
• Set Steady Shot [OFF]
• Set Flash [OFF]
(3) Set the camera on a tripod.
(4) Adjust the position of the camera and the chart.
1. Set the zoom position of the camera at Wide end.
2. Attach the mirror onto the center of the chart.
* The mirror should not tilt on the chart.
3. Set the camera to display the chart on LCD like in the following picture.
4. Adjust the camera position to the center of the chart.
* Adjust the tripod height and the position (Lateral direction).
5. Adjust the camera angle to the frame of the chart with tripod.
Remove the mirror.
3 Shooting
(1) Set [Self-Timer]
(2) Shot
4 Check the shot image.
(1) Check the shot image on PC.
100% Display (Display at the same magnification of its Pixel.)
Compare the image with the sample you set.
No extreme focus blurring
It should be distinguished the black and white by the sharpness between them.
If it is in NG level, replace the lens unit.
<Reference>
• How to Print the Chart
Print "Forcus-Chart_A3.pdf" with printer.
Print at the same magnification (It means 100 % size).
Check the settings of printer to print in proper size.
• Check of chart size.
Make charts together and check if the size of charts is the following size.
* The chart consists of 2 pcs.
1-12E