Note When Replacing The Lens Block, Cmos Block And Optical Filter Block - Sony DSC-R1 Service Manual

1-3. NOTE WHEN REPLACING THE LENS BLOCK, CMOS BLOCK AND OPTICAL
FILTER BLOCK
Dust on the optical surface of the CMOS block causes it to be shot as a black spot in the picture. To prevent dust from attaching, perform the
work, taking care of the following points:
• Perform the replacement work at a less dusty place.
• Perform the replacement work quickly. Do not leave the parts to stand.
• Perform the work with the opening of Lens block, CMOS block facing down, if practicable.
• Do not touch the optical surface of the CMOS block and Optical Filter block.
• Do not put the Optical Filter block directly on the desk.
Lens assembly repair
Inspection (Shooting test)
After assembling the set, inspect by the following method to check if dust is shot.
Switching setting:
1) Mode dial ···························································· A (Aperture)
2) Aperture ·············································································· F16
3) Zoom ring ································································ TELE end
4) FOCUS switch ······················································· MANUAL
5) Manual focus ring ································································· ∞
6) Image size ·············································· 10M (MENU setting)
Method:
1) Shoot a full-white subject (such as white paper) at a distance of several cm at a light place.
(Pattern box with clear chart, full-white screen on the PC monitor with the increased brightness are also possible.)
2) Play back the shot picture in 100% size on the PC to check that no black spot is found.
CMOS Block and Optical Filter Block Cleaning
If dust exists, perform the cleaning as follows.
1) Blow it off by the air.
2) Wipe the CMOS block and Optical Filter block if air blow failed to clear the dust.
Wipe the CMOS block and Optical Filter block gently in one-way direction using the nonwoven cloth wiper for cleaning (low dust
generation, soft type such as Bemcot or Dusper) moistened with small quantity of anhydrous alcohol.
3) Check with a loupe that the dust was cleared.
4) After assembly, conduct the inspection again (shooting test).
DSC-R1_L2
Seal rubber_R
Optical filter block
1-3E
P2 tapping screw
CMOS block assembly