2
8
DV-120-K
1
2
3
4
A
B
C
D
E
F
1
2
3
4
7. DISASSEMBLY
1.
1-1:
REMOVAL OF MECHANICAL PARTS
AND P.C. BOARDS
Remove the 5 screws (1).
Remove the Top Cabinet in the direction of arrow (A).
Disconnect the following connectors:
(CP4002).
Unlock the 4 supports (2).
Remove the Front Cabinet in the direction of arrow (B).
Remove the 7 screws (3).
Remove the Operation PCB in the direction of arrow (C).
TOP CABINET/FRONT CABINET AND OPERATION
(Refer to Fi
g
. 1-1)
1.
2.
3.
4.
5.
6.
7.
1.
2.
3.
4.
Disconnect the following connectors:
(CP4003 and CP7301)
Remove the 2 screws (1).
Remove the 3 screws (2).
Remove The Power PCB in the direction of arrow.
1-3: POWER PCB (Refer to Fi
g
. 1-3)
NOTE
Before your operation, please read “PREPARATIO
N
OF
SER
V
ICI
N
G”.
Use the Lead Free solder.
Manual soldering conditions
• Soldering temperature: 320
±
20
o
C
• Soldering time: Within 3 seconds
• Soldering combination: Sn-3.0Ag-0.5Cu
When Soldering/Removing of solder, use the drawing
equipment over the Pick Up Unit to keep the Flux smoke
away from it.
When installing the D
V
D Deck, remove all the soldering
on the short circuit position after the connection of Pick Up
PCB and D
V
D MT PCB connector.
1.
2.
3.
4.
5.
1-4: DVD DECK (Refer to Fi
g
. 1-4)
1.
2.
3.
Short circuit the position shown in
Fi
g
. 1-4
using a
soldering iron. If you remove the D
V
D Deck with no
soldering, the Laser may be damaged.
Disconnect the following connectors:
(CP2301, CP2302 and CP4004).
Remove the 2 screws (1).
4. Remove the D
V
D Deck in the direction of arrow.
1-2: USB PCB (Refer to Fi
g
. 1-2)
1.
2.
4.
5.
Disconnect the following connectors:
(CP504).
Remove the 3 screws (1).
3. Remove the Karaoke PCB in the direction of arrow (A).
Remove the 2 screws (2).
Remove the Angle PCB in the direction of arrow (B).
(1)
(1)
(1)
Top Cabinet
(A)
Fig. 1-3
Front Cabinet Ass'y
Operation PCB
(2)
POWER PCB
(2)
(2)
(1)
(1)
(B)
(3)
(3)
(3)
(3)
(3)(3)
(3)
(C)
(2)
(2)
( )
(1)
(1)
(C)
Fig. 1-1
Fig. 1-2
Fig. 1-4
Front Cabinet Ass y
Operation PCB
(1)
(1)
(1)
(A)
USB PCB
Short circuit using a
soldering iron.
(1)
D
V
D Deck
Pick Up PCB
(1)
(2)
(2)
(2)
(2)