Sharp DV-SL80, Service Manual

Page: 10 / 58

1-6-1
E5943DC
CABINET DISASSEMBLY INSTRUCTIONS
1. Disassembly Flowchart
This flowchart indicates the disassembly steps to gain
access to item(s) to be serviced. When reassembling,
follow the steps in reverse order. Bend, route, and dress
the cables as they were originally.
1
: Identification (location) No. of parts in the figures
2
: Name of the part
3
: Figure Number for reference
4
: Identification of parts to be removed, unhooked,
unlocked, released, unplugged, unclamped, or de-
soldered.
P=Spring, L=Locking Tab, S=Screw,
CN=Connector,
*=Unhook, Unlock, Release, Unplug, or Desolder
e.g. 5(S-1) = five Screws (S-1),
2(L-2) = two Locking Tabs (L-2)
5
: Refer to "Reference Notes."
About tightening screws
When tightening screws, tighten them with the following
torque.
Screws Torque
(S-1), (S-2), (S-3A), (S-4), 0.45
±
0.05 N•m
(S-5), (S-6)
(S-3B) 0.38
±
0.04 N•m
Reference Notes
CAUTION 1: Locking Tabs (L-1), (L-2) and (L-3) are
fragile. Be careful not to break them.
1-1. Release four Locking Tabs (L-1). Then, release
three Locking Tabs (L-2) .
1-2. Release three Locking Tabs (L-3). Then remove
the Front Assembly.
CAUTION 2: Electrostatic breakdown of the laser diode
in the optical system block may occur as a potential
difference caused by electrostatic charge accumulated
on cloth, human body etc., during unpacking or repair
work.
To avoid damage of pickup follow next procedures.
2-1. Short the three short lands (either of two places) of
FPC cable with solder before removing the FFC
cable (CN201) from it as shown in “View for A” in
Fig. 4. If you disconnect the FFC cable (CN201),
the laser diode of pickup will be destroyed. (Fig. 4)
2-2. Disconnect Connectors (CN301), (CN401) and
(CN601). Remove two Screws (S-3A) and (S-3B)
and lift the DVD Main CBA Unit. (Fig. 4)
CAUTION 3: When reassembling, confirm the FFC
cable (CN201) is connected completely. Then remove
the solder from the three short lands of FPC cable.
(Fig. 4)
2. Disassembly Method
REMOVAL
ID/
LOC.
No.
Fig.
No.
REMOVE/
*UNHOOK/UNLOCK/
RELEASE/UNPLUG/
DESOLDER
Note
PART
[1] Top Case 1 3(S-1) -
[2] Front 2 *4(L-1), *3(L-2), 1
Assembly *3(L-3), 1-1
1-2
[3] Reinforce 3 3(S-2) -
Plate
[4] DVD Main 4 (S-3A), (S-3B), 2
CBA Unit *CN201, *CN301, 2-1
*CN401, *CN601 2-2
3
[5] DVD 5 4(S-4) -
Mecha
[6] AV CBA 6 (S-5), -
4(S-6)---[DV-SL80]
5(S-6)---[DV-SL80X],
*2(L-5)
[7] Function 6 *CN2001 -
CBA
↑ ↑ ↑ ↑ ↑
1 2 3 4 5
[2] Front Assembly
[3] Reinforce Plate
[4] DVD Main CBA Unit
[5] DVD Mecha
[6] AV CBA
[7] Function CBA
[1] Top Case