Lens Frame, Lens Unit, Cushion And Crystal Filter [Dz-Mv780A]; Ccd Image Sensor And Gsl-M Circuit Board [Dz-Mv780A] - Hitachi DZ-GX20A Service Manual

Disassembly and Reassembly > Disassembly
(29) Lens Frame, Lens Unit, Cushion and Crystal Filter
1) Disconnect the flat cable.
2) Remove the screw [E].
3) Turn the GSL-M circuit board (e) up in the direction of the arrow.
4) Remove the two screws [F] and then remove the lens frame (a).
5) Remove the two screws [J], and then remove the lens unit (b), cushion (c) and crystal filter (d).
Note:
1) The lens unit and crystal filter are precision components: Take great care when handling them.
Adherence of any dust, foreign object, fingerprint, etc. to them, or any scratches or impact, could
cause a fault.
2) Never use metal tweezers to handle the crystal filter: Doing so could damage it.
Caution during disassembly and reassembly:
Take care with the orientation of crystal filter when assembling it: Incorrect orientation of the
crystal filter could cause a fault.
Lens
side
Colored
(a)
4) [M]
(30) CCD Image Sensor and GSL-M Circuit Board
1) Unsolder the 14 points at the CCD image
sensor (a) terminal on GSL-M circuit board
(b).
Note:
The CCD image sensor is a precision
component: Take great care when handling it.
Adherence of any dust, foreign object,
fingerprint, etc. to it, or any scratches or
impact, could cause a fault.
CCD image
sensor side
Transparent
(c)
(d)
(b)
Fig. 5-3-29
[DZ-MV780A]
2) [E]
3)
5) [H]
[E] M1.7×3 (Gold)
(e)
1)
[H] M1.7×5 (Silver)
[M] M1.7×3.5
[DZ-MV780A]
(a) CCD image sensor
(b) GSL-M circuit board
5 - 23
(a) Lens frame
(b) Lens unit
(c) Cushion
(d) Crystal filter
(e) GSL-M circuit board
(Silver)
(b)
1)
Fig. 5-3-30
(a)