Sharp LC-26AD22U Service Manual - Page 16

Disassembly, Instructions

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DISASSEMBLY INSTRUCTIONS 1. REMOVAL OF MECHANICAL PARTS AND P.C. BOARDS 1-1: BACK CABINET (Refer to Fig. 1-1) 1. Remove the 14 screws 1. 2. Remove the 7 screws 2. 3. Remove the Back Cabinet in the direction of arrow. 1 222 2 11 2 12 1 2 1 1 1 1 1 1 1 1 1 1 11 1 1 SHIELD MPEG (C) DVD Deck (B) 3 3 Pick Up PCB 3 3 DVD MT PCB 2 2 22 (A) 4 4 Angle DVD-1 Short circuit using a soldering iron. Back Cabinet (D) Fig. 1-1 1-2: DVD MT PCB/DVD DECK (Refer to Fig. 1-2) 1. Short circuit the position shown in Fig. 1-2 using a soldering iron. If you remove the DVD Deck with no soldering, the Laser may be damaged. 2. Disconnect the following connectors: (CP701 and CP410). 3. Remove the 5 screws 1. 4. Remove the Angle DVD Ass'y in the direction of arrow (A). 5. Remove the 4 screws 2. 6. Disconnect the following connectors: (CP2301, CP2302 and CP2303). 7. Remove the DVD MT PCB in the direction of arrow (B). 8. Remove the 4 screws 3. 9. Remove the DVD Deck in the direction of arrow (C). 10. Remove the 2 screws 4. 11. Remove the Angle DVD-1 in the direction of arrow (D). NOTE 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 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. Fig. 1-2 1-3: OPERATION PCB (Refer to Fig. 1-3) 1. Disconnect the following connector: (CP103). 2. Remove the Plate Button Ass'y in the direction of arrow (A). 3. Remove the 6 screws 1. 4. Remove the Operation PCB and Operation 2 PCB in the direction of arrow (B). 5. Remove the 7 screws 2. 6. Remove the 2 screws 3. 7. Remove the Angle Hinge in the direction of arrow (C). Operation 2 PCB (B) Plate Button Ass'y 111 11 1 Operation PCB 3 22 3 22 2 2 (C) 2 (A) Fig. 1-3 B1-1

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DISASSEMBLY
INSTRUCTIONS
B1-1
1. REMOVAL OF MECHANICAL PARTS
AND P.C. BOARDS
1-1: BACK CABINET (Refer to Fig. 1-1)
1.
2.
3.
Remove the 14 screws
1
.
Remove the 7 screws
2
.
Remove the Back Cabinet in the direction of arrow.
Fig. 1-1
Back Cabinet
2
1
2
22
2
2
2
1
1
1
1
1
1
1
1
1
1
1
1
1
1-2: DVD MT PCB/DVD DECK (Refer to Fig. 1-2)
1.
2.
3.
4.
5.
6.
7.
8.
9.
10.
11.
Short circuit the position shown in
Fig. 1-2
using a
soldering iron. If you remove the DVD Deck with no
soldering, the Laser may be damaged.
Disconnect the following connectors:
(CP701 and CP410).
Remove the 5 screws
1
.
Remove the Angle DVD Ass'y in the direction of arrow
(A).
Remove the 4 screws
2
.
Disconnect the following connectors:
(CP2301, CP2302 and CP2303).
Remove the DVD MT PCB in the direction of arrow (B).
Remove the 4 screws
3
.
Remove the DVD Deck in the direction of arrow (C).
Remove the 2 screws
4
.
Remove the Angle DVD-1 in the direction of arrow (D).
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
Up PCB and DVD MT PCB connector.
1.
2.
3.
4.
5.
Fig. 1-2
Pick Up PCB
(A)
DVD MT PCB
SHIELD MPEG
1
1-3: OPERATION PCB (Refer to Fig. 1-3)
1.
2.
3.
4.
5.
6.
7.
Disconnect the following connector:
(CP103).
Remove the Plate Button Ass'y in the direction of arrow
(A).
Remove the 6 screws
1
.
Remove the Operation PCB and Operation 2 PCB in
the direction of arrow (B).
Remove the 7 screws
2
.
Remove the 2 screws
3
.
Remove the Angle Hinge in the direction of arrow (C).
Fig. 1-3
Operation PCB
1
Plate Button Ass'y
(B)
(A)
1
1
(C)
2
2
2
2
2
2
2
3
3
1
1
1
(B)
2
1
2
2
DVD Deck
3
(C)
2
3
3
Angle DVD-1
4
4
Short circuit using a
soldering iron.
3
(D)
1
1
1
Operation 2 PCB