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3.2.3 Assembly/Disambly of [16] OP BLOCK ASSY/CCD BOARD ASSY
Precautions
(1) The OP BLOCK ASSY in this model has more complicated
structure than conventional OP BLOCK ASSY.
he relevant parts for CCD BASE ASSY and the OP LPF,
that used to be disassembled, are in one unit structure
as PRISM ASSY.
During the procedure, disassemble the OP BLOCK
ASSY only when needed, and be careful not to give any
external shock or vibration.
(2) There are two types of PRISM ASSY used in the OP
BLOCK ASSY of this model (Manufactures: FUJINON,
JVC). Be sure to check the actual part with the parts list
first.
Please refer to "2.2 PRISM ASSEMBLY" for distinguish-
ing the types.
(3) During the procedure, be careful in handling the FPC
and LENS components.
Pay special attention to the surfaces to protect them from
stains, dust, or scratches.
If the surfaces are soiled with finger prints or other stains,
wipe them off with silicon paper, clean chamois leather,
or recommended cleaning cloth.
Disassembly procedure
(1) Unsolder the total of 42 soldered points (SD16a) from
the 3 CCDS, 14 soldered points from each CCD, and
then remove the CCD BOARD ASSY from the PRISM
ASSY.
(2) Remove the 3 screws (1-3), and then remove the PRISM
ASSY.
NOTE16a
There are two types of PRISM ASSY.
When replacing, replace with the same type.
1-14 (No.YF244<Rev.001>)
Replacing service repair parts
The service repair parts for the OP BLOCK ASSEMBLY are as listed
below.
Take special care not to disconnect any of the FPC wires or
cause any damage due to soldering (excessive heating).
• FOCUS MOTOR UNIT
• ZOOM MOTOR UNIT
• IRIS MOTOR UNIT
• SENSOR
• SCREW (for MOTOR)
• SCREW (for SENSOR)
• SPRING
• SHEET
NOTE16b:
When removing the FOCUS MOTOR UNIT and ZOOM MO-
TOR UNIT, be sure to peel off the SHEET and remove the
SPRING before removing the screws.
During the procedure, be careful in handling the parts. Avoid
reusing the peeled SHEET, and be sure to replace it with a
new SHEET.
NOTE16c:
When attaching the SPRING, be careful not to break or lose
the parts and be sure to hook both sides to the HOOKS.
NOTE16e:
When soldering the FPC of the FOCUS MOTOR UNIT or the
ZOOM MOTOR UNIT, lift the FPC a little from the terminal
and leave the clearance between them.
NOTE16f:
Although the IRIS MOTOR UNIT includes the FPC ASSY, it
does not include the 2 sensors.
When replacing the IRIS MOTOR UNIT, it is necessary to
reattach the sensors.
NOTE16g:
When attaching the IRIS MOTOR UNIT, be careful in han-
dling and wiring the FPC.
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