Sharp LC-30HV4E (serv.man2) Service Manual ▷ View online
14
LC-30HV4E
11. Remove the AV unit:
11-1. Remove the five AV unit retaining screws and remove the AV unit.
11-2. Remove the three AV unit angle retaining screws and remove the angle.
11-2. Remove the three AV unit angle retaining screws and remove the angle.
12. Remove the fan:
12-1. Remove the two cooling fan retaining screws and remove the cooling fan.
13. Remove unit from the front chassis:
13-1. Remove the two hex head screws and two screws securing the front shield to the front chassis and
remove the front shield.
13-2. Remove the four screws securing the front unit and remove the unit.
11-1
11-2
AV unit
AV unit angle
Cooling Fan
12-1
13-2
Front unit
Front shield
13-1
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LC-30HV4E
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Display
1. Take off bottom terminal cover.
2. Take off the speaker by removing 4 screws and disconnecting speaker terminals.
3. Take off the table stand by removing 6 screws.
4. Take off the rear cabinet by removing 18 screws and releasing the front cabinet's 6 hooks.
5. Take off the operation cover assembly by removing 2 screws and detaching the connector.
6. Take off the center angle by removing 8 screws and disconnecting 1 lead wire from the fan.
1
Rear Cabinet
Speaker
Speaker
Table Stand
Terminal Cover
4
4
4
2
3
2
2
4
4
4
4
4
2
4
4
6
5
6
5
5
6
P131
P130
Operation Cover Ass'y
Center Angle
P2103
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LC-30HV4E
7. Take off the digital PWB by detaching 7 connectors and removing 4 screws.
8. Take off the LED PWB by detaching one connector and removing 2 screws.
9. Take off the speaker (L) PWB by detaching one connector and removing one screw.
10.Take off the speaker (R) PWB by detaching one connector and removing one screw.
11.Take off the main board by detaching 8 connectors and removing 4 screws.
12.Take off the SOUND PWB assembly by detaching 3 connectors and removing 4 screws.
13.Take off the 2 reinforcement angles by removing 3 screws from each angle.
14.Detach each connector.
7
7
9
10
8
9
7
7
13
7
7
7
7
7
8
10
SC4502
SC4551
SC491
P202
P201
SC4503
LED PWB
Speaker(L)
PWB
PWB
Digital
PWB
PWB
Speaker(R)
PWB
PWB
Main
PWB
PWB
12
12
11
13
11
15
13
P3804
P3802
P3801
Reinforcement angle
Reinforcement angle
Main
PWB
PWB
Audio
PWB
PWB
12
P2106
SC2001
SC2001
P2002
P2003
P2104
P2102
P2101
14
P6901
P6902
P6903
CN7
P6565
P6564
P6904
P6551
P6553
P6555
P6558
P6560
P6562
P6905
P6906
Power Unit
Inverter
GND PWB
GND PWB
Inverter 2 PWB
Inverter 1PWB
14
14
14
14
14
14
14
14
14
14
14
14
14
14
CN4
CN5
CN3
P6907
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LC-30HV4E
15.Take off the inverter GND PWB by removing 2 screws.
16.Take off the power PWB by removing 7 screws. Remove insulation sheet.
17.Take off the inverter 1 PWB by removing 3 screws.
18.Take off the inverter 2 PWB by removing 3 screws
19.Take off the 4 reinforcement angles by removing 2 screws from each angle.
20.Take off the 2 reinforcement angles by removing 3 screws from each angle.
21.Take off the chassis frame by removing 2 screws.
22.Take off the LCD panel assembly by removing 2 screws.
19
19
20
20
19
19
18
17
16
15
Power Unit
Inverter GND
PWB
PWB
Inverter 1 PWB
Inverter 2 PWB
Chassis Frame
22
22
21
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