DOWNLOAD Sharp LC-15A2E (serv.man2) Service Manual ↓ Size: 299.49 KB | Pages: 15 in PDF or view online for FREE

359

52.45

30.3

76.5

    205

171.9

29.4

10.9

1.5

310.6

342.9

1

1

1. Insert your finger into the center of the terminal cover

and pull it toward you to detach the terminal cover.
Remove the screws installing a stand.

2. Remove the four screws 

1

 and one screw 

2

.

3. Open the cabinet B by approx. 45˚ from the bottom

of the cabinet (stand side).

4. Remove the lead wire from the cable clamp 

3

.

5. Remove the power connector 

4

.

6. Remove the connector 

5

 from the light reception

unit.

7. Remove the lead wire from the cable clamp 

6

.

8. Remove the speaker connector 

7

.

9. Remove the FFC from the FFC connector 

8

 on the

main PWB.

10. Remove the connector 

9

 from the switch PWB.

11. Remove the right and left speaker connectors 

0

on the terminal PWB.

<<Disassembly of the main PWB>>
1. Disconnect the flexible cable connectors 

q

 and

w

 from the LCD panel.

2. Disconnect the cable connectors 

e

 and 

r

 from

the fluorescent lamp.

3. Remove the four screws 

t

.

<<Disassembly of the terminal PWB>>
1. Remove the five screws 

y

.

2. Remove the two screws 

i

. Remove the cover 

u

.

Take them out of the cabinet holes.

<<Cabinet A side>>

<<Cabinet B side>>

Cabinet A        CCABA2402CE03

Terminal Cover        GCOVA1922CEKA

Hinge Cover            GCOVA1853CESA
Rotation Cover        GCOVA1854CESA

Cabinet B        CCABB2298CE01

•

Caution for handling the LCD panel

1. Work in a clean room. (Humidity: 50% or more)
2. A worker must wear arm bands.
3. Work on a conductive mat.
4. Do not expose the unit to shock such as fall or

vibration.

<<Disassembly of LCD Panel>>
1. Remove the six LCD unit fixing screws.
2. Remove the panel shield plate.
3. Remove the light guide sheet holder.
4. Remove the reflection panel lamp unit.
5. Remove the lamp unit.
6. Remove the light guide sheet.
7. Remove the ITO sheet angle.
8. Remove the ITO sheet, diffusion sheet and the

polarising sheet.

1

7

8

6

5

4

3

2

1

Panel Shield Plate

Light Guide Sheet Holder

Lamp Unit
(KLMP-0098CEZZ)

ITO Sheet Angle

Polarising Sheet

LCD Display Unit

Wave Sheet

ITO Sheet

Diffusion Sheet

Reflection Sheet

Light Guide Sheet

Reflection Panel

There are three methods below.
1) Press the “Adjustment process key” on the remote control after turning on the power.
2) Pressing both the MENU key and the TV/VIDEO key on the main body, turn on the power. Then, press the volume

DOWN key and the tuning UP key at the same time.

3) Turn on the power with falling either KEY4 (pin 81 of microcomputer) or KEY5 (pin 82 of microcomputer) to “L”.
[Note] For the method 3), the ROM is initialized at the same time. Therefore, 3) must be executed if IC2004 or IC2001

is changed. For 1) or 2), the main body only enters the MAIN side adjustment process.

4) Entering the TUNER side adjustment process

MENU key on the main body 

→

 Tuning UP key (remote control) 

→

 Select the position shown in the figure below and

press the M key (remote control) within 1 second. 

→

 Enters the adjustment process.

MAIN side adjustment (Press the “M” key to move the cursor and press the volume UP/DOWN key to make an
adjustment.)
• Power supply voltage adjustment (+B 5V)
• Model setting
• Inch size setting
• COMMON BIAS adjustment of LCD module
• CUTOFF adjustment

TUNER side adjustment (Press the tuning UP/DOWN key to move the cursor and press the volume UP/DOWN key to
make an adjustment.)
• Horizontal size adjustment (LCD adjustments)
• Video adjustment (other adjustments)
  Y delay
  Subcontrast
  Subcolour
  Subbrightness
  Tint offset
  AGC gain start
The TUNER side adjustment is possible. However, it is recommended to replace EAROM (I2).

Brightness

Contrast

Colour

: select

M: Back
E: End