Sharp LC-20D30U Service Manual page 11

» Precautions in handling the LCD panel
1. Handle it in a clean room. (above 50% humidity)
2. The worker must wear an earth band.
3. Be careful not to drop, vibrate and shock the panel.
4. Use an ionizer. (within 30 cm)
16. Remove the 8 lock screws from the panel angle and the panel support angle. And then take out them.
17. Remove the 4 lock screws from the inverter unit angle then detach the inverter unit angle and the inverter PWB.
18. Remove the 4 lock screws then detach the LCD control unit angle and the LCD control PWB.
19. Remove the bezel and the LCD panel unit.
<Note> Do not remove the LCD panel from the panel chassis. Be careful not to touch the LCD panel glass faces,
driver IC, PWB with bare hands (Otherwise defects maybe caused in the production line.)
20. Remove the diffusion sheet (Top), lens sheet, diffusion (Bottom), diffusion plate.
<Note> Fit the diffusion plate and sheets tightly in the backlight casing.
If set out of position, the panel may set cracked.
21. Remove the lamp holder screws (4 pcs).
22. Remove the lamp holder, from the lamp unit.
23. Remove the lamp clip from the reflection sheet and the backlight angle.
24. Remove the reflection sheet from the backlight angle.
Lamp Holder
(LHLDZ3190TPZZ)
Diffusion Plate
(PSLDK2598TPZZ)
Lens Sheet
(POFMA0258TPZZ)
19
C
Bezel
(LANGK3451TPZZ)
24
20
22
Lamp Unit, x5
(RLMPC2402TPZZ)
Lamp Holder
(LHLDZ3190TPZZ)
Diffusion Sheet (Bottom)
(PSLDK2599TPZZ)
C
Diffusion Sheet (Top)
(PSLDK2600TPZZ)
20" LCD panel Unit
Inverter Unit Angle
Panel Support Angle
(LANGK3450TPZZ)
16
(LANGFA290WJFW)
C
17
Inverter PWB
C
21
C
Backlight Angle
23
(LANGK3448TPZZ)
Reflection Sheet
(PREFL2368TPZZ)
Lamp Clip, x5
(LHLDZ3192TPZZ)
Holder, x5
(LHLDZ3227TPZZ)
11
LC-20D30U
16
Panel Support Angle
C
(LANGFA290WJFW)
16
18
Panel Angle
(LANGTA279WJFW)
LCD Control Unit Angle
(LANGK3449TPZZ)
LCD Control PWB