LG 42LN5200 (CHASSIS:LT36M) Service Manual ▷ View online
- 16 -
DISASSEMBLY
1
2
Loosen 4 screws that bind Stand Ass’y and set
Disassemble 13 screws around the 4 edges of set after
Separation Stand Ass’y
3
4
Disassemble 4 screws that fix Side AV bracket and
Backcover.
Disassemble 1 screw which bind Main Board and
Backcover.
- 17 -
7
Remove the backcover and
Disconnect LVDS and power cable from Main PCB
5
6
After opening cover of IR ass’y, Disconnect IR cable
After lifting up backcover slightly, Disconnect SPK and IR
cable
- 18 -
BLOCK DIAGRAM
(P
11
01
)
30P
HD
LV
DS
waf
er
51P
F
HD
LV
DS
waf
er
(P
11
00
)
C
OM
P2_
L/
R
_I
N
C
OM
P2_
Y+
/A
V_C
VB
S_
IN
, C
OM
P2_
Pb
+/
Pr
+
C
K
+/
-,
D
0+
/-,
D
1+
/-,
D
2+
/-_H
D
M
I2
Se
ria
l F
la
sh
(8
M
bi
t)
IC
13
00
SPI
_SC
K
/SD
I/SD
O/
C
S
Sy
st
em
E
EP
R
O
M
(2
56
K
bi
t)
IC
10
4
I2C
_SC
L/
SD
A
N
A
N
D
F
LA
SH
(1
G
bi
t)
IC
10
2
PC
M
_A
[0
-7],
…
D
D
R
3
SD
R
A
M
(2
G
bi
t)
IC
12
01
A-
M
D
QL
[0
-7],
A
-M
D
QU
[0
-7],
…
R
XA
0+
/-~
R
XA
4+
/-,
R
XA
C
K
+/
-
R
XB
0+
/-~
R
XB
4+
/-,
R
XB
C
K
+/
-
SP
K
_R
SP
K
_L
AM
P_SC
L/
SD
A
AU
D
_M
AST
ER
_C
LK
,
AU
D
_L
R
C
H
,
AU
D
_L
R
C
K
, A
U
D
_SC
K
ST
A
38
0B
W
(IC
34
01
)
M
ai
n
SO
C
S7
LR
M
(IC
10
1)
C
on
ne
ct
or
(P
60
0)
K
EY1/
2,
L
ED
_R
, I
R
R
EA
R
H
D
M
I1
(JK
801
)
C
omp
&
A
V
(JK
170
2)
TU
_SC
L
/ SD
A
SI
F
TD
SN
-T
70
1F
H
AL
F
N
IM
C
VB
S
IF
AGC DI
F2
D
IF
1
SI
D
E
U
SB
(JK
700
)
H
D
M
I2
(JK
800
)
C
K
+/
-,
D
0+
/-,
D
1+
/-,
D
2+
/-,
_H
D
M
I1
SI
D
E_U
SB
_D
M
/D
P
U
SB
1_
OC
D
/C
TL
O
C
P
IC
:
TP
S6
52
81
(IC
40
1)
+5
V_
U
SB
D
D
C
_SC
L/
SD
A_
2,
H
D
M
I_C
EC
D
D
C
_SC
L/
SD
A_
1,
H
D
M
I_C
EC
- 19 -
EXPLODED VIEW
Many electrical and mechanical parts in this chassis have special safety-related characteristics. These
parts are identified by in the Schematic Diagram and EXPLODED VIEW.
It is essential that these special safety parts should be replaced with the same components as
recommended in this manual to prevent X-RADIATION, Shock, Fire, or other Hazards.
Do not modify the original design without permission of manufacturer.
IMPORTANT SAFETY NOTICE
A2
A3
1
LV
1
300
590
591
521
540
420
400
120
900
910
A9
A1
0
Set + Stand
Stand Base
+
Stand Body
200
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