LG 42LN5200 (CHASSIS:LT36M) Service Manual ▷ View online
- 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
THE SYMBOL MARK OF THIS SCHEMETIC DIAGRAM INCORPORATES
SPECIAL FEATURES IMPORTANT FOR PROTECTION FROM X-RADIATION.
FILRE AND ELECTRICAL SHOCK HAZARDS, WHEN SERVICING IF IS
ESSENTIAL THAT ONLY MANUFATURES SPECFIED PARTS BE USED FOR
THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC.
SPECIAL FEATURES IMPORTANT FOR PROTECTION FROM X-RADIATION.
FILRE AND ELECTRICAL SHOCK HAZARDS, WHEN SERVICING IF IS
ESSENTIAL THAT ONLY MANUFATURES SPECFIED PARTS BE USED FOR
THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC.
SC1_SOG_IN
CI_TS_DATA[0]
PCM_D[6]
PCM_5V_CTL
/PCM_CE
SC1_FB
CI_TS_CLK
PCM_A[10]
PCM_A[9]
HP_LOUT
CI_TS_DATA[2]
CI_TS_SYNC
PCM_A[13]
SC1_ID
PCM_D[1]
HP_DET
SCART1_MUTE
PCM_D[5]
/PCM_WE
SC1_CVBS_IN
/PCM_IRQA
PCM_D[3]
PCM_D[0]
/PCM_CD
CI_TS_DATA[5]
PCM_D[2]
PCM_A[14]
CI_TS_DATA[4]
SCART1_Lout
/PCM_REG
HP_ROUT
/PCM_IOWR
CI_TS_DATA[1]
PCM_RST
PCM_A[12]
CI_TS_VAL
CI_TS_DATA[3]
/PCM_WAIT
SCART1_Rout
CI_TS_DATA[6]
PCM_D[4]
PCM_A[8]
DTV/MNT_VOUT
PCM_D[7]
CI_DET
/PCM_OE
SIDE_HP_MUTE
CI_TS_DATA[7]
S2_RESET
/PCM_IORD
PCM_A[11]
SC1_B+/COMP1_Pb+
SC1_G+/COMP1_Y+
SC1_R+/COMP1_Pr+
SC1/COMP1_L_IN
SC1/COMP1_DET
SC1/COMP1_R_IN
FE_TS_DATA[1]
FE_TS_DATA[2]
FE_TS_DATA[3]
FE_TS_DATA[4]
FE_TS_DATA[5]
FE_TS_DATA[6]
FE_TS_DATA[7]
2012.07.02
TP_NON_EN
3
NC4_S7LRM
TP for Headphone
TP for S2
TP for CI slot
TP for NON-EU models(except EU and China)
TP for SCART
TP for FE_TS_DATA
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