R Case, Frame, Disc Drive Unit And; [Dz-Gx20A/Mv780A/Mv730A] - Hitachi DZ-GX20A Service Manual

Disassembly and Reassembly > Disassembly
(20) R Case, Frame, Disc Drive Unit and DRF-H/DRF-M/DRF-L Circuit Board

[DZ-GX20A/MV780A/MV730A]

1) Disconnect the flat cable.
2) Remove the two screws [A].
3) Remove the two screws [F], and then remove the R case (a).
4) Remove the three screws [G], and then remove the frame (b).
5) Remove the DRF-H/DRF-M/DRF-L circuit board (d) from the circuit board in disc drive unit (c) in
the direction of the arrow.
Note:
The disc drive unit is a precision component: Take great care when handling it. Do not subject the
disc drive unit to any impact: Doing so could cause a fault.
Caution during disassembly and reassembly:
Be sure to paste the heat sink rubber (e): Neglecting this could cause a fault.
(a) R case
(b) Frame
(c) Disc drive unit
(d) DRF-H/DRF-M/
DRF-L circuit board
(e) Heat sink rubber
[A] M1.7×4 (Black)
[F] M1.7×4 (Black)
[G] M1.7×1.8
2) [A]
4) [G]
(c)
(Silver)
4) [G]
4) [G]
4) [G]
Fig. 5-3-20
5 - 16
(a)
(2)
(1)
1)
(1) Unlock
(1)
(2) Pull out
4) [G]
(b)
(b)
(e)
(c)
(d)
5)
3) [F]
(e)