Disassembly - Pioneer DV-120-K Service Manual

1

7. DISASSEMBLY

1. REMOVAL OF MECHANICAL PARTS
AND P.C. BOARDS
A
1-1: TOP CABINET/FRONT CABINET AND OPERATION
(Refer to Fig. 1-1)
1. Remove the 5 screws (1).
2. Remove the Top Cabinet in the direction of arrow (A).
3. Disconnect the following connectors: (CP4002).
4. Unlock the 4 supports (2).
5. Remove the Front Cabinet in the direction of arrow (B).
6. Remove the 7 screws (3).
7. Remove the Operation PCB in the direction of arrow (C).
B
Top Cabinet
(1)
Operation PCB
(3)
(B)
C
(2)
(C)
(C)
(2)
Front Cabinet Ass y Front Cabinet Ass'y
( ) (2)
1-2: USB PCB (Refer to Fig. 1-2)
1. Disconnect the following connectors:(CP504).
2. Remove the 3 screws (1).
3. Remove the Karaoke PCB in the direction of arrow (A).
4. Remove the 2 screws (2).
D
5. Remove the Angle PCB in the direction of arrow (B).
(1)
(A)
(2)
E
F
28
1
2
(1)
(1)
(1)
(A)
(1)
(3)
(3)
(3) (3)
(3)
(3)
Operation PCB
Fig. 1-1
(2)
(1)
(1)
USB PCB
(2)
Fig. 1-2
2
3
1-3: POWER PCB (Refer to Fig. 1-3)
1. Disconnect the following connectors:
(CP4003 and CP7301)
2. Remove the 2 screws (1).
3. Remove the 3 screws (2).
4. Remove The Power PCB in the direction of arrow.
POWER PCB
1-4: DVD DECK (Refer to Fig. 1-4)
1. 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.
2. Disconnect the following connectors:
(CP2301, CP2302 and CP4004).
3. Remove the 2 screws (1).
4. Remove the DVD Deck in the direction of arrow.
DVD Deck
NOTE
1. Before your operation, please read "PREPARATION OF
SERVICING".
2. Use the Lead Free solder.
3. Manual soldering conditions
• Soldering temperature: 320
• Soldering time: Within 3 seconds
• Soldering combination: Sn-3.0Ag-0.5Cu
4. When Soldering/Removing of solder, use the drawing
equipment over the Pick Up Unit to keep the Flux smoke
away from it.
5. When installing the DVD Deck, remove all the soldering
on the short circuit position after the connection of Pick Up
PCB and DVD MT PCB connector.
DV-120-K
3
4
(2)
(2)
(2)
(1)
(1)
Fig. 1-3
Short circuit using a
(1)
soldering iron.
(1)
Pick Up PCB
o
20 C
±
4
Fig. 1-4