Hitachi DV-P588A, Service Manual

Page: 23 / 48

4-1
4-1 CABINET DISASSEMBLY INSTRUCTIONS
4-1-1 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.
4-1-2 Disassembly Method
(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
desoldered.
P=Spring, L=Locking Tab, S=Screw,
CN=Connector
*=Unhook, Unlock, Release, Unplug, or Desolder
e.g. 2(S-2) = two Screws (S-2),
2(L-2) = two Locking Tabs (L-2)
(5): Refer to “Reference Notes.”
Reference Notes
CAUTION 1: Locking Tabs (L-1), (L-2), (L-3) and (L-4)
are fragile. Be careful not to break them.
1-1. Connect the wall plug to an AC outlet and press
the OPEN/CLOSE button to open the Tray.
1-2. Remove the Tray Panel by releasing two Locking
Tabs (L-1).
1-3. Press the OPEN/CLOSE button again to close
the Tray.
1-4. Press the POWER button to turn the power off.
and unplug an AC cord.
1-5. Release two Locking Tabs (L-2). Then, release
five Locking Tabs (L-3) (to do this, first release
two Locking Tabs (A) at the side, and then three
Locking Tabs (B) at the bottom.)
1-6. Release three Locking Tabs (L-4). 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. Disconnect Connector (CN301). Remove three
Screws (S-2) and lift the DVD Mecha. (Fig. 4-1-3)
2-2. Slide out the pickup unit as shown in Fig. 4-1-4.
2-3. Short the three short lands of FPC cable with sol-
der before removing the FFC cable (CN201) from
it. If you disconnect the FFC cable (CN201), the
laser diode of pickup will be destroyed.
(Fig. 4-1-4)
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. 4-1-4)
ID/
LOC.
No.
PART
REMOVAL
Fig.
No.
REMOVE/*UNHOOK/
UNLOCK/RELEASE/
UNPLUG/DESOLDER
Note
[1] Top Cover 4-1-1 5(S-1) -
[2]
Front
Assembly
4-1-2
*2(L-1), Tray Panel,
*2(L-2), *5(L-3),
*3(L-4)
1-1
1-2
1-3
1-4
1-5
1-6
[3]
DVD
Mecha 4-1-3,
4-1-4
*CN301, 3(S-2),
*CN201
2
2-1
2-2
2-3
3
[4] AV CBA 4-1-5
5(S-3), 3(S-4),
*CN1001, *CN1601
-
[5]
DVD Main
CBA
4-1-5 2(S-5) -
[6]
Function
CBA
4-1-5 Desolder -
[7]
Main CBA
Holder
4-1-6 (S-6) -
[8]
Rear
Panel
4-1-6 (S-7) -
↓
(1)
↓
(2)
↓
(3)
↓
(4)
↓
(5)
[1] Top Cover
[2] Front Assembly
[3] DVD Mecha
[5] DVD Main CBA [4] AV CBA
[7] Main CBA Holder [6] Function CBA
[8] Rear Panel
DISASSEMBLY 4