DOWNLOAD Sharp LC-15B5E Service Manual ↓ Size: 9.1 MB | Pages: 96 in PDF or view online for FREE

8. Remove the two lock screws from the operation panel (top cover), and detach the operation panel (top cover).

9. Remove the two lock screws from the operation PWB, and detach the operation PWB.

10. Remove the two lock screws from the R/C, LED PWB, and detach the R/C, LED PWB.

11. Remove the three lock screws each from the speakers (left and right), and detach both the speakers.

Speaker (R)

R/C, LED PWB

Analog PWB

Main PWB

Speaker (L)

Inverter PWB

Operation Panel (Top Cover)

Operation 
PWB

11

9

8

11

10

12. Remove the two lock screws from the inverter PWB, and detach the inverter PWB.
13. Remove the one lock screw from the card frame cover over, and detach the card frame cover.
14. Remove the five lock screws from the main PWB, and undo the claw a. Detach the main PWB by lifting the area

around the claws and pulling the PWB out.

15. Remove the two lock screw from the 21-pin terminal.
16. Remove the five lock screws from the analog PWB, and undo the claws b and c. Detach the chassis frame (right)

from the analog PWB by pulling out the terminals. In the same way, undo the claws d and e, and detach the
chassis frame (left) from the analog PWB by pulling out the terminals.

Note: When detaching the main PWB and analog PWB, be careful not to break the PWB-fixing claws.
17. Remove the one lock screw from the card LED PWB, and detach the card LED PWB.
18. Remove the four lock screws from the LCD panel unit, and detach the LCD panel unit.

Inverter PWB

Main PWB

Analog PWB

e

Chassis Frame (L)

Chassis Frame (R)

Card Frame Cover

Card LED PWB

14

13

16

16

14

12

15

18

d

a

b

c

17

»

Precautions in handling the LCD panels
1. Work in a clean room (with humidities below 50%).
2. Be sure to wear an anti-static armband.
3. Handle the panels on an electro-conductive mat.
4. Be careful not to fall, shake and shock the panels.

19. Remove the four lock screws from the LCD panel unit.
20. Detach the diffusion sheet, prism sheet and reflection/deflection sheet.
21. Detach the four reflection mirrors.
22. Detach the two reflection sheets (Cover).
23. Remove the lamp unit.
24. Detach the Light guide plate.
25. Detach the two reflection sheets-1, -2.

Reflection Sheet (Cover)
   (PSHEP0307CEZZ)

Lamp unit
   (KLMP-A030WJZZ)

Back Shield
   (PSLDMA313WJN1)

Reflection Sheet-2
   (PSHEP0285CEZZ)

Reflection Sheet-1
   (PSHEP0284CEZZ)

Light Guide Plate
   (PGiDMA011WJZZ)

Reflection/deflection Sheet
   (PSHEP0281CEZZ)

Diffusion Sheet
   (PSHEP0283CEZZ)

Prism Sheet
   (PSHEPA141WJZZ)

15" LCD Panel Unit

22

23

19

20

24

25

21

21

Reflection Mirror

Reflection Mirror

»

Precautions in servicing Side B (back side) of the main PWB unit

1. Disconnect the FFC (flat cable) from between the main PWB (SC1204) and LCD panel. Connect the service-

specific extension FFC (flat cable) (QCNW-A556WJZZ) instead.

2. Disconnect the FFC (flat cable) from between the main PWB (SC1201) and LCD panel. Connect the service-

specific extension FFC (flat cable) (QCNW-A555WJZZ) instead.

3. Disconnect the FFC (flat cable) from between the main PWB (SC1202) and LCD panel. Connect the service-

specific extension FFC (flat cable) (QCNW-B784WJZZ) instead.

4. Disconnect the lead (between main PWB (P2003) and operation PWB) from the P2003 connector. Connect the

service-specific extension cable (QCNW-B748WJZZ) instead.

5. Disconnect the P701 side of the lead from between the main PWB (P701) and the analog PWB, and then

connect the service-specific extension cord (QCNW-C086WJQZ).

6. Disconnect the FFC from between the main PWB (SC2001) and the analog PWB (SC3403), and then connect

the service-specific extension FFC (flat cable) (QCNW-A556WJZZ).

7. Disconnect the lead from between the main PWB (P2006) and the analog PWB (P1601), and then connect the

service-specific extension cord (QCNW-C498WJQZ).

8. Disconnect the lead (between card LED PWB (P9201) and main PWB (P2005)) from the P2005 connector.
9. Remove the four lock screws from the main PWB. Detach this PWB from the chassis frame and turn it over.

 10. Remove the lock screw from the card LED PWB and detach the card LED PWB from the cabinet A. Reconnect

the lead (disconnected in Step 5 above) to the main PWB (P2005).

Step

Part No.

Description

1

QCNW-A556WJZZ

Extension Cable 50-pin Main (SC1204)-LCD panel

2

QCNW-A555WJZZ

Extension Cable 20-pin Main (SC1201)-LCD panel

3

QCNW-B784WJZZ

Extension Cable 30-pin Main (SC1202)-LCD panel

4

QCNW-B748WJZZ

Extension Cable 5-pin Main (P2003)-Operation (P4050)

5

QCNW-C086WJQZ

Extension Cable 10-pin Main (P701)-Analog (P3704)

6

QCNW-A556WJZZ

Extension Cable 50-pin Main (SC2001)-Analog (SC3403)

7

QCNW-C498WJQZ

Extension Cable 15-pin Main (P2006)-Analog (P1601)

P2003

P4050

SC1202

SC1201

P2006

SC2001

P701

SC3403

P1601

P3704

P9201

P2005

SC1204

Main PWB

Card LED PWB

Inverter PWB

3

4

5

2

1

8

7

6

Analog PWB

Main PWB

(Side-B)

10

9