LG 39LN51XX / 39LN5100 / 39LN5110 / 39LN5120 (CHASSIS:LB35B) Service Manual ▷ View online
- 13 -
PO
W
ER
B
O
AR
D
S
ou
nd
A
M
P
N
TP
75
13
IC
30
1
(
(
(
(
Mo
du
le
JK
101
Y,P
b,P
r I
n
Au
di
o
O
ut
M
ST
68
41
XP
5
9
4
3
10
11
Tu
ne
r SD
A
Tu
ne
r SC
L
TU
N
ER
IF
_A
G
C
B+
IR
/K
EY
40
24
M
hz
98
99
44
43
IC
50
2
Se
ria
l F
la
sh
8M
by
te
s
IC
50
3
EE
PR
O
M
24
C
64
IC50
1
30
LP
F
33
18
21
P
30
1
AV2
In
O
P-
A
M
P
IC
30
2
x4
G
ai
n
P
70
1
P
60
1/
60
2
Aud
io
L-O
ut
2
4
1
X
X
X
39
37
38
Aud
io
R-O
ut
H
D
M
I
SC
L/
SD
A
48
11
5
50
51
113
11
2
A
ud
io
_S
C
L
A
ud
io
_S
D
A
LV
D
S
O
ut
pu
t
P D
im
Inv
. O
N
RL
On
P_ST 3.5V
M
_3
.3
V
TU
_3
.3
V
P_24V
IC
70
1
M
P2
00
51
M
ai
n_
1.
2V
A
_O
U
T_
12
V
10
11
7
8
9
38
I2
S_
M
C
LK
I2
S_
W
S
I2
S_
SC
K
I2
S_
SD
O
P
40
0
10
8
11
1
11
7
IR
KEY
1
Led
_PW
R
10
2
105
101
53
52
45
85
84
EE
P
SD
A
EE
P
SC
L
94
95
97
96
SP
I_
C
LK
SP
I_
D
I
SP
I_
C
Z
SP
I_
D
O
S_
A
M
P_
24
V
32
40
9
LP
F
JK202
U
SB
_5
V
11
0
KEY
2
ST
_3
.5
V
5
P_12V
Q
71
0
IC
71
1
1.
8V
R
E
G
M
ai
n_
1.
8V
M
ai
n_
3.
3V
Q
72
0
A
O
34
07
A
Pa
ne
l_
Vc
c
IC
70
9
M
P1
49
7
M
ai
n_
5V
To
U
SB
U
SB
_D
N
U
SB
_D
P
IF_
P
IF_
N
31
35
10
13
~1
5
3
JK
20
3
JK
204
IC
40
1
To
U
SB
7
TU
_1
.8
V
19
20
Com
p. R
/L
In
AV1
In
26,33,34
27,35,3
6
22,20,24,33,3
4
77
62
54
41
30
18
9
116
107
10
0
X
X
X
IR
B
oa
rd
BLOCK DIAGRAM
- 14 -
A2
A9
A10
900
200
400
540
521
530
500
301
910
120
300
510
123
122
Set + Stand
Stand Base
+
Stand Body
LV
1
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
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.
INPUT1
MNTROUT
MNTLOUT
COMMONRIN
COMMONLIN
AV2RIN
AV2LIN
AV2_VIN
COMP_PR
COMP_PB
COMMON_VIN
R105
10K
C103
5600pF
50V
5600pF
50V
R109
12K
12K
TP101
R107
220K
220K
COMMON_RIN
MUTE_AOUT
R106
12K
MUTE_AOUT
R103
75
R108
10K
R104
220K
220K
COMP_PR
MNT_ROUT
C105
5600pF
50V
5600pF
50V
MNT_LOUT
R110
1K
COMMON_LIN
R101
75
COMP_PB
COMMON_VIN
P_12V
MNT_VOUT
R102
75
R111
1K
R123
220
DEBUG
R120
75
DEBUG
AV2_RIN
R116
220K
220K
R114
10K
R117
10K
R118
12K
12K
R113
220K
220K
R115
12K
AV2_LIN
AV2_VIN
R112
75
C106
10uF
16V
C104
10uF
16V
Q101
MMBT3904(NXP)
E
B
C
Q102
MMBT3904(NXP)
READY
E
B
C
Q103
MMBT3904(NXP)
E
B
C
Q104
MMBT3904(NXP)
READY
E
B
C
Q105
MMBT3904(NXP)
DEBUG
E
B
C
AV2_VIN
R122
0
OPT
R121
33
DEBUG
C101
470pF
50V
C102
470pF
50V
C107
470pF
50V
C108
470pF
50V
JK101
PPJ239-06
6J
7J
4J
8K
5K
8L
5L
5M
4N
6N
7N
7D
5D
8E
5E
8F
6F
4F
5G
4H
6H
7H
ZD110
20V
20V
ZD107
20V
ZD109
20V
ZD105
20V
20V
ZD104
20V
ZD106
20V
ZD108
SD05
ZD100
SD05
ZD102
SD05
ZD101
SD05
D102
READY
D101
READY
D104
READY
D103
READY
D105
READY
D106
READY
D107
READY
D108
READY
1 7
INPUT1
COMPONENT / AV IN / AV AUDIO OUT
2012/11/15
32LN5100
LB35B/LC35B/LL35B
EAX65027101
POP NOISE
POP NOISE
V-OUT Buffer(DEBUG)
U
S
B
D
O
W
N
S
T
R
E
A
M
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.
INPUT2
JK202
3AU04S-305-ZC-(LG)
1
2
3
4
5
+5V_USB
ZD221
30V
READY
ZD220
30V
READY
USB_DP
USB_DN
C220
10uF
10V
10uF
10V
OPT
C221
22uF
10V
22uF
10V
L220
120
R204
0
W/O UART IC
C203
0.1uF
With UART IC
IC201
MAX3232CDR
EAN41348201
With UART IC
3
C1-
2
V+
4
C2+
1
C1+
6
V-
5
C2-
7
DOUT2
8
RIN2
9
ROUT2
10
DIN2
11
DIN1
12
ROUT1
13
RIN1
14
DOUT1
15
GND
16
VCC
R205
0
W/O UART IC
R206
0
W/O UART IC
JK201
KJA-PH-1-0177
3
M3_DETECT
4
M4
5
M5_GND
1
M1
6
M6
C205
0.1uF
With UART IC
+3.5V_ST
C202
0.1uF
With UART IC
R202
100
100
With UART IC
+3.5V_ST
DSUB_SCL
C201
0.1uF
P201
12505WS-04A00
DEBUG
1
2
3
4
5
P202
12507WS-04L
1
VCC
2
PM_RXD
3
GND
4
RM_TXD
5
GND
DSUB_SDA
R201
100
100
With UART IC
C204
0.1uF
With UART IC
HDMI1_D0-
JK203
14
NC
13
CEC
5
DATA1_SHIELD
20
SHIELD
12
CLK-
11
CLK_SHIELD
2
DATA2_SHIELD
19
HPD
18
+5V_POWER
10
CLK+
4
DATA1+
1
DATA2+
17
DDC/CEC_GND
9
DATA0-
8
DATA0_SHIELD
3
DATA2-
16
SDA
7
DATA0+
6
DATA1-
15
SCL
HDMI1_SCL
HDMI1_DET
Q230
MMBT3904(NXP)
E
B
C
R230
10K
D230
BAT54C
A
2
C
A
1
HDMI1_CK+
R233
2.7K
+5V_USB
R232
2.7K
HDMI1_D1-
R235
10K
R234
4.7K
HDMI1_D2+
HDMI1_D0+
HDMI1_CK-
HDMI1_SDA
HDMI1_D2-
HDMI1_HPD
R231
1K
HDMI1_D1+
D240
BAT54C
A
2
C
A
1
HDMI2_CK+
HDMI2_HPD
HDMI2_SCL
+5V_USB
HDMI2_D1-
HDMI2_CK-
Q240
MMBT3904(NXP)
E
B
C
R242
1K
R241
10K
HDMI2_D0-
HDMI2_D2-
HDMI2_D1+
R246
10K
JK204
14
NC
13
CEC
5
DATA1_SHIELD
20
SHIELD
12
CLK-
11
CLK_SHIELD
2
DATA2_SHIELD
19
HPD
18
+5V_POWER
10
CLK+
4
DATA1+
1
DATA2+
17
DDC/CEC_GND
9
DATA0-
8
DATA0_SHIELD
3
DATA2-
16
SDA
7
DATA0+
6
DATA1-
15
SCL
HDMI2_SDA
R245
4.7K
HDMI2_DET
R243
2.7K
R244
2.7K
HDMI2_D2+
HDMI2_D0+
ZD230
READY
ZD231
READY
ZD232
READY
ZD233
READY
R236
100
100
R237
100
100
ZD240
READY
ZD241
READY
ZD242
READY
ZD243
READY
R247
100
100
R248
100
100
2 7
INPUT2
2012/11/15
32LN5100
LB35B/LC35B/LL35B
EAX65027101
Close to SIDE_USB
USB(SIDE)
I2C Control
HDMI(REAR)
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