Sony DSC-TX20 Service Manual page 36

Assembly-1: How to distinguish the side of Optical Filter
Block facing to Lens Device
The one side of the Optical Filter Block has treated
with IR cut coating.
Mount the Optical Filter Block facing the IR cut
coated side to the lens device.
Distinguish the IR cut coated side from the other by
applying the fluorescent light to
the Optical Filter Block in the dark place
(cut off the outside light).
Optical Filter
Block
Hold it with tweezers or the like.
[IR Cut Coated Side] [The Other Side]
Lens Device side
• The other surface
The red coating is
• Side view
not reflected.
The red belt
is seen.
• IR cut coating surface
The red coating is reflected.
Lens Device side
DSC-TX20_L2
Assembly-2: Installation Cautions of Lens Light
Interception Sheet
+0.5
0
0 +1
It should be lying on the interposer.
It should be lying on the interposer.
3. ASSEMBLY
3-1E