Sharp LC-80LE857E (serv.man4) Service Manual ▷ View online
LC-80LE857E/K/RU,LE858E
4 – 4
4. Removing of LCD CONTROL Unit, MAIN Unit, POWER Unit.
1. Remove the 2 lock screws (1), 12 lock screws (2) and 6 lock screws (3) and detach the B/L Support Angle Bottom Ass'y (4)
2. Remove the 2 FCC 80p codes (22), 2 FFC 64p codes (23), 4 Ferrite Cores (5), 6 lock screws (6) and detach the LCD CONTROL Unit (7).
3. Remove the 5 lock screws (8), 1 USB memory (9) and detach the Main Shield (10) remove 2 lock screws (11), 1 lock screw (Hexagon) (12) (LC-
80LE857E/K/RU) and detach the MAIN Unit (13), Terminal Angle Bottom (14) and Earth Spring (15).
4. Remove the 6 lock screws (16) and detach the POWER Unit (17).
5. Remove the 8 lock screws (18) and detach the VESA Angle Ass'y (19).
6. Remove the 12 lock screws (20) and detach the Stand Angle (21).
NOTE: Remove the USB memory from the MAIN Unit, when you replace the MAIN Unit, please attach the USB memory to the new MAIN Unit.
Ferrite Core
Ferrite Core
LCD CONTROL Unit
LCD CONTROL Unit
1
1
2
2
2
2 2
2
2
2
2
2
2
2
3
3
3
3
23
3
3
BL Support Angle Bottom Ass'y
4
8
8
8
8
8
Terminal Angle Bottom
Terminal Angle Bottom
14
Main Shild
Main Shild
10
9
MAIN Unit
MAIN Unit
13
11
11
Screw (Hexagon)
(LC-80LE857E/K/RU)
12
Spring
15
20
20
20
20
20
20
Stand Angle Ass'y
21
18
18
18
18
VESA Angle Ass'y
19
6
6
6
6
6
6
16
16
16
16
16
16
17 POWER Unit
5
7
FCC 64p codes
22
FCC 80p codes
LC-80LE857E/K/RU,LE858E
4 – 5
[2] The location putting on the heat measure sheet
1. MAIN PWB Unit
2. LCD Control Unit
(6) Stick***
PSPAZD031WJKZ
20*20*t7 COOLING SHEET
(3) Stick***
PSPAZD031WJKZ
COOLER:20x20 t7
PSPAZD031WJKZ
COOLER:20x20 t7
LC-80LE857E/K/RU,LE858E
4 – 6
[3] Precautions for assembly
1. Points to be checked and precautions when servicing the unit
Mount the main PWB Ass’y on the backlight chassis and check that the EMI-prevention parts are not peeled and twisted from the access holes. (The
EMI-prevention parts, conductive nonwoven fabric gaskets, must be seen from the access holes.)
EMI-prevention parts, conductive nonwoven fabric gaskets, must be seen from the access holes.)
[Countermeasure]
Attach the conductive nonwoven fabric gaskets on the shielded case on the main PWB.
Rear side view
M_ANGLE/TRM-BTM
(2) Stick***
PSPAZC691WJZZ
CONDUCTR:8x180
PSPAZC691WJZZ
CONDUCTR:8x180
PSLDMB834WJ1W
SHIELD USB CUT
SHIELD USB CUT
PSPAZC691WJZZ
CONDUCTIVE TAPE
CONDUCTIVE TAPE
8*180mm (
x2
)
PSPAZC690WJZZ
CONDUCTIVE TAPE
8*255mm
CONDUCTIVE TAPE
8*255mm
PMLT-A676WJZZ
GASKET(HDMI)
GASKET(HDMI)
㩷
LANGKD148WJFW
(LC-80LE857E/K/RU)
LANGKD192WJFW
(LC-80LE858E)
PMLT-A738WJZZ
GASKET (LAN)
LC-80LE857E/K/RU,LE858E
4 – 7
State where the main PWB and shielded case are assembled
The following is a drawing mounting the main PWB Ass’y on the backlight chassis. (The parts indicated by -> are the access holes for confirmation.)
(Main PWB Ass’y => State where the shielded case and RF terminal angle are mounted on the main PWB)
Access hole
Access hole
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