DOWNLOAD Sharp LC-20B2EA Service Manual ↓ Size: 5.66 MB | Pages: 66 in PDF or view online for FREE

Unit: mm

CH

66.6

72.6

379

MENU TV/VIDEO

188

193.5

92

381.5

473.5

1

298.8

401.3

630

107.3

72.6

163.9

229.4

65.5

30.5

468.8

1

L

R

AV-IN 1

RGB

AV-IN 2

S-VIDEO

VIDEO

L

R

AUDIO

POWER

INPUT

DC13V

100

100

1.5

AUDIO OUT

1. Remove the two back covers.

2. Remove the table stand fixing screws (4 pcs.).

3. Remove the cabinet B fixing screws (14 pcs.) and detach the cabinet.

(

3

 : XBBSF30P06000, 

3

 : XEBSF40P16000)

4. Remove the reinforcement angle fixing screws (4 pcs.).

5. Detach the connector from each PWB.

Tuner PWB

Inverter-A 
PWB

Inverter-B PWB

Main PWB

R/C Receiver PWB

Operation PWB

4

Reinforcement angle

5

5

5

5

5

5

5 5

5

5

5

5

5

5

5

5

5

5 5

5

5

5

Cabinet B

Table stand

Back cover

Back cover

1

1

2

3

3

3

3

3

3

3

3

6. Remove the main PWB fixing screws (3 pcs.).

7. Remove the inverter-A PWB fixing screws (2 pcs.).

8. Remove the inverter-B PWB fixing screws (1 pc.).

9. Remove the chassis Frame-A fixing screws (3 pcs.).

10. Undo the hooks and slide the chassis frame B out of position. Take out the terminal PWB.

11. Remove the R/C receiver PWB fixing screws (2 pcs.).

12. Remove the operation PWB fixing screws (2pcs.).

13. Remove the 21-pin terminal fixing screw (2 pcs.).

6

9

9

7

8

13

Inverter-A 
PWB

Main PWB

Chassis Frame-A

Chassis Frame-B

Tuner
PWB

Inverter-B 
PWB

Operation PWB

12

11

10

R/C Receiver PWB

Lamp Holder

Lamp Holder

LCD Display Unit

Prism Sheet

D-BEFM Sheet

ITO Sheet

Reflection Sheet

15

14

Diffusion Plate Cover

LCD Display Unit 
(Front)

13

13

15

Shielding Plate

Reflection Plate

Lamp Set-A

Lamp Set-B

» 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 electroconductive mat.
4. Be careful not to fall, shake and shock the panels.

13.Remove the four screws and open the LCD display unit.
14.Detach the D-BEFM sheet, prism sheet, reflection sheet, ITO sheet and diffusion plate Cover.

15.Remove the Lamp-holder fixing screws (6 pcs.).