Marantz DV4400, Service Manual

Page: 15 / 77

1-5-1 E57M2_M4DC
CABINET DISASSEMBLY INSTRUCTIONS
[ DV4400/N1B, DV4400/N1S ]
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.
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) and (L-3) 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.
1-5. Unplug an AC cord.
1-6. Disconnect connector CN2002.
1-7. 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.)
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 these procedures.
2-1. Disconnect connector (CN301). Remove three
screws (S-5) and lift the DVD Mecha. (Fig. D5)
ID/
LOC.
No.
PART
REMOVAL
Fig.
No.
REMOVE/*UNHOOK/
UNLOCK/RELEASE/
UNPLUG/DESOLDER
Note
[1] Top Cover D1 5(S-1) -
[2] Front Unit D2
*2(L-1), Tray Panel,
*2(L-2), *5(L-3),
*CN2002
1-1
1-2
1-3
1-4
1-5
1-6
1-7
[3]
Function
CBA
D3
6(S-2),
Insulation Sheet
-
[4]
Front
Assembly
D3 ---------- -
[5] Rear Panel D4 7(S-3), 3(S-4) -
[6] DVD Mecha
D5,
D6
3(S-5),
*CN201, *CN301
2
2-1
2-2
3
[7]
DVD Main
CBA Unit
D5
2(S-6), *CN1001,
*CN1601
-
[8]
DVD Main
CBA Holder
D5 (S-7) -
[9] AV CBA D7 4(S-8), *CN6001 -
[1] Top Cover
[2] Front Unit
[4] Front Assembly
[6] DVD Mecha [5] Rear Panel
[3] Function
CBA
[9] AV CBA
[8] DVD Main CBA Holder
[10] Switch CBA
[11] LED CBA
[12] LED CBA Holder
[7] DVD Main CBA Unit
[10] Switch CBA D7
(S-9), *2(L-4),
Desolder
-
[11] LED CBA D7 (S-10), 3(L-5) -
[12]
LED CBA
Holder
D7 ---------- -
↓
(1)
↓
(2)
↓
(3)
↓
(4)
↓
(5)
ID/
LOC.
No.
PART
REMOVAL
Fig.
No.
REMOVE/*UNHOOK/
UNLOCK/RELEASE/
UNPLUG/DESOLDER
Note