LC-28HM2E (serv.man2). text - Sharp TV Service Manual (repair manual). Page 12

Top cabinet

Rear terminal PWB

Shield plate

Main PWB

Bottom cabinet

Front terminal cover

Power PWB

Power PWB 
fixing angle

Front terminal PWB

1

1

4

4

7-2

7-3

7-1

2

6

1

5

8

1

3

3

3

3

3

3

3

2

9

2

5

PC I/F PWB

Rear terminal cover

Ë

1. Remove the top cabinet fixing screws (4 pcs.) from right and left sides and those (5 pcs.) from the rear side.
2. Remove the front terminal cover fixing screws (2 pcs.), and disconnect the cable connecting the front terminal

PWB and the main PWB.

3. Disengage the front terminal cover fixing tabs at 3 locations on top, one location each at right and left sides,

and 2 locations at bottom.

4. Remove the rear terminal cover fixing screws (4 pcs.), and detach the cover.
5. Remove the shield plate fixing screws (5 pcs.). (Among the five screws, two are used also to fix the power

supply PWB fixing angle.)

6. Remove the power supply PWB fixing screws (4 pcs.), detach the connectors from the power supply PWB and

the main PWB, and then remove the power supply PWB.

7. Remove the rear terminal PWB fixing screws.

7-1. Remove the fixing screws (2 pcs.) from the dedicated display output terminal.
7-2. Remove the hexagonal shaft (2 pcs.) fixing the control terminal.
7-3. Remove the hexagonal shaft (2 pcs.) fixing the PC input terminal.

8. Remove the fixing screws (3 pcs.) to detach the main PWB, the rear terminal PWB and the PC I/F PWB. When

detaching the rear terminal PWB, lift up the front part of PWB and pull out the PWB terminals from the terminal
slots.

9. Remove the front terminal PWB fixing screws (3 pcs.), and detach the PWB.