Service Manuals, User Guides, Schematic Diagrams or docs for : LG DVD DVD-2300N _DVD-2250N_2-1

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DISASSEMBLY

CAUTION BEFORE STARTING SERVICING
Electronic parts are susceptible to static electricity and may easily damaged, so do not forget to take a
proper grounding treatment as required.
Many screws are used inside the unit. To prevent missing, dropping, etc. of the screws, always use a
magnetized screw driver in servicing. Several kinds of screws are used and some of them need special
cautions. That is, take care of the tapping screws securing molded patrs and fine pitch screws used to secure
metal parts. If they are used improperly, the screw holes will be easily damaged and the parts can not be fixed.

CABINET DISASSEMBLY 3. Front Panel
1. Top Case 1. Eject the disc tray. (See Fig. 2-2)
1. Release 7 screws (A). (See Fig. 2-1) 2. Remove the tray door. (See Fig. 2-2)
2. Lift the top case with holding the back of it, 3. Release 2 screws (B).
and remove it in the direction of the arrow 4. Pull the front panel toward you while pressing
7 stoppers to disengage, and remove the front
Top Case (A) (A) panel. (See Fig. 2-3)
(A)

(A)

(B)

(B)
Stopper

Stopper
Front Panel
Fig. 2-1
Fig. 2-3
2. Tray Door
1.Eject the disc tray.
2.Lift up the tray door in the direction of the
arrow.

Tray Door

Disc Tray
Fig. 2-2

2-2
CIRCUIT BOARD DISASSEMBLY
Note: 3. Digitron and Key Circuit Board
Before removing the main circuit board, be sure to 1. Remove the front panel.(See Fig. 2-3)
shortcircuit the laserdiode output land. 2. Release 8 screws(E), and remove the digitron
After replacing the main circuit board, open the land circuit board.
after inserting the flexible connector.
(Refer to Mechanism Disassembly)

1. Main/A/V Circuit Board Key
Circuit Board
1. Remove the top case.(See Fig.2-1)
(E)
2. Release 10 screws (C), and take out the main / (E)
AV circuit board.(See Fig.2-4)
(E)
3. Remove the flexible connectors and the
connector from main circuit board. (E)
(E)
4. Then, remove the main A/V circuit board.
(E)
(C)
(C)
Digitron
A/V Circuit Board (C) Circuit Board
(C)
(C)
(C)
Fig. 2-6
Main Circuit Board Flexible
connector

Flexible
connector
(C)
(C)
(C)
(C)

Fig. 2-4

2. Power Circuit Board
1. Relrase 4 screws(D). (See Fig. 2-5)

Power Code
(D)
(D)
(D)
(D)

Power
Circuit
Board

Fig. 2-5

2-3

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