Disassembly Instructions; Removal Of Mechanical Parts And P.c. Boards - Onkyo DV-SP404 Service Manual

1. REMOVAL OF MECHANICAL PARTS
AND P.C. BOARDS
1-1: TOP CABINET/FRONT CABINET/OPERATION 1/2/
3/4 PCB (Refer to Fig. 1-1)
Remove the 5 screws 1.
1.
2. Remove the Top Cabinet in the direction of arrow (A).
Remove the 2 screws 2.
3.
4. Remove the Leg in the direction of arrow (B).
Remove the 3 screws 3.
5.
6. Disconnect the following connector: (CP4002).
Unlock the 2 supports 4.
7.
8. Remove the Front Cabinet in the direction of arrow (C).
Remove the 10 screws 5.
9.
Remove the 2 screws 6.
10.
11. Remove the Operation 1/2/3/4 PCB in the direction of
arrow (C).
1
Operation 4 PCB
Operation 3 PCB
6
5
5
(B)
5
(D)
5
(C)
4
5
(D)
2
5
(D)
3
3
Front Cabinet
3
1-2: POWER PCB (Refer to Fig. 1-2)
1. Disconnect the following connector: (CP502).
Remove the 4 screws 1.
2.
3. Remove the Power PCB in the direction of arrow.
1
1
1

DISASSEMBLY INSTRUCTIONS

Top Cabinet
1
1
(A)
5
5
5
(B)
6
5
(D)
2
4
Operation 1 PCB
Operation 2 PCB
1
Power PCB
1-3: DVD DECK (Refer to Fig. 1-3)
1. Short circuit the position shown in Fig. 1-3 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, CP2303).
Remove the 4 screws 1.
3.
4. Remove the DVD Deck in the direction of arrow.
DVD Deck
1
NOTE
1
1. Before your operation, please read "PREPARATION
OF SERVICING".
2. Use the Lead Free solder.
3. Manual soldering conditions
• Soldering temperature: 320 ± 20˚C
• 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 prevent the Flux
Fig. 1-1
smoke 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.
1-4: DVD MT PCB (Refer to Fig. 1-4)
Remove the 3 screws 1.
1.
Remove the screw 2.
2.
Remove the 4 screws 3.
3.
4. Remove the DVD MT PCB in the direction of arrow.
Fig. 1-2
B1-1
1
1
1
1
Pick Up PCB
3
3
3
1
1
1
2
Short circuit using a
soldering iron.
Fig. 1-3
3
DVD MT PCB
Fig. 1-4