DV-500K-S
33
5
6
7
8
5
6
7
8
C
D
F
A
B
E
7. DISASSEMBLY
7.1 EXTERIOR SECTION
1.
1-1:
REMOVAL OF MECHANICAL PARTS
AND P.C. BOARDS
1.
2.
3.
4.
5.
6.
7.
Remove the 5 screws
1
.
Remove the Top Cabinet in the direction of arrow (A).
Disconnect the following connector: (CP4002).
Unlock the 4 supports
2
.
Remove the Front Cabinet in the direction of arrow (B).
Remove the 10 screws
3
.
.Remove the Operation PCB in the direction of arrow (C).
TOP CABINET/FRONT CABINET/OPERATION PCB
(Refer to Fig. 1-1)
Fig. 1-1
(B)
(A)
Top Cabinet
Front Cabinet
(C)
(C)
Operation PCB
Operation 2 PCB
1-3: POWER PCB (Refer to Fig. 1-3)
1.
2.
3.
4.
Disconnect the following connector: (CP502).
Remove the screw
1
.
Remove the 4 screws
2
.
Remove the Power PCB in the direction of arrow.
Fig. 1-3
Power PCB
1-2: KARAOKE PCB (Refer to Fig. 1-2)
1.
2.
3.
Disconnect the following connectors:
(CP6601 and CP6602).
Remove the 2 screws
1
.
Remove the Karaoke PCB in the direction of arrow.
Fig. 1-2
Karaoke PCB
1.
2.
3.
4.
Short circuit the position shown in
Fig. 1-4
using a
soldering iron. If you remove the DVD Deck with no
soldering, the Laser may be damaged.
Disconnect the following connectors:
(CP2301, CP2302 and CP2303).
Remove the DVD Deck in the direction of arrow.
1-4: DVD DECK (Refer to Fig. 1-4)
Fig. 1-4
NOTE
Before your operation, please read “PREPARATION OF
SERVICING”.
Use the Lead Free solder.
Manual soldering conditions
• Soldering temperature: 320
±
20˚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 DVD Deck, remove all the soldering
on the short circuit position after the connection of Pick
UpPCB and DVD MT PCB connector.
1.
2.
3.
4.
5.
DVD Deck
Short circuit using a
soldering iron.
Pick Up PCB
1
1
1
1
1
1
1
2
2
2
2
1
1
1
1
1
3
3
3
3 3
33
3
3
3
2
2
2
2
Remove the 4 screws
1
.