Table of Contents
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INPUT1 : COMP1/2,RS232C,PC
COMPONENT2
JK101
COMPONENT1
JK100
PPJ209-02
PPJ209-02
R146
R138
[RD]O_SPRING
3E [RD]O_SPRING
0
10K
COMP2_R
3E
C113
D115
R119
1000pF
R139
5.6V
220K
12K
READY
4E [RD]CONTACT
[RD]CONTACT
4E
2E [RD]1P_CAN2
[RD]1P_CAN2
2E
R147
R140
5D [WH]C_LUG_L
[WH]C_LUG_L
10K
0
COMP2_L
5D
C114
D116
R120
R141
1000pF
5.6V
220K
READY
12K
2D [WH]1P_CAN
[WH]1P_CAN
2D
5C [RD]C_LUG_L
[RD]C_LUG_L
COMP2_Pr
5C
D117
R121
30V
75
2C [RD]1P_CAN1
[RD]1P_CAN1
SD05
2C
5B [BL]C_LUG_L
[BL]C_LUG_L
COMP2_Pb
5B
R122
D118
30V
75
2B [BL]1P_CAN
[BL]1P_CAN
SD05
2B
3A [GN]O_SPRING
[GN]O_SPRING
COMP2_Y
3A
R123
D119
30V
75
4A [GN]CONTACT
[GN]CONTACT
SD05
4A
S D C 1 5 a p p l y i n g c h e c k
2A [GN]1P_CAN
[GN]1P_CAN
2A
**MULTI ITEM
1.24C02-SUB:0IMMRAL014D
PC
+5V_MULTI
2.ENKMC2837-SUB:0DS226009AA
C100
C101
C102
0 . 1 u F
0 . 1 u F
0 . 1 u F
JK104
KCN-DS-1-0089
6630TGA004K
6
RED_GND
R116
GND_2
1
75
11
RED
DSUB_SDA
GREEN_GND
7
D114
30V
DDC_DATA
2
12
CDS3C30GTH
GREEN
8
BLUE_GND
R117
75
H_SYNC
R115
68
3
13
PC_HS
BLUE
D112
R113
C104
9
NC
30V
4.7K
R118
68pF
CDS3C30GTH
75
V_SYNC
R114
68
4
14
PC_VS
GND_1
D110
R112
C103
30V
4.7K
68pF
10
SYNC_GND
CDS3C30GTH
DDC_CLOCK
5
15
DSUB_SCL
DDC_GND
D113
30V
CDS3C30GTH
16
SHILED
GND
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.
HDMI
+5V_ST
HPD_S/W_2
+5V_HDMI_2
SIDE_HDMI
2SC3875S
R335
+5V_HDMI_2
10K
HPD_MST_3
Q300
HPD_MST_2
R319
D300
1K
RT1C3904-T112
KDS184S
SIDE_HDMI
IC301
R301
C
10K
AT24C02BN-10SU-1.8
B
E
C301
A0
VCC
JACK_GND
1
8
0.01uF
R330
R331
47K
47K
50V
A1
WP
2
7
R323
A2
SCL
100
.
3
6
22
R322
GND
SDA
100
19 HPD
4
5
18 +5V_POWER
17 DDC/CEC_GND
16 SDA
JP1117
DDC_SDA2
15 SCL
DDC_SCL2
14 NC
JP1118
13 CEC
CEC
+5V_HDMI_2
12
CLK-
TMDS2_RXC-
R329
10K
11 CLK_SHIELD
HDMI2_5V_DET
10 CLK+
TMDS2_RXC+
R328
9 DATA0-
TMDS2_RX0-
10K
8 DATA0_SHIELD
7 DATA0+
TMDS2_RX0+
6 DATA1-
TMDS2_RX1-
5 DATA1_SHIELD
4 DATA1+
TMDS2_RX1+
3 DATA2-
TMDS2_RX2-
2 DATA2_SHIELD
DC1R019NBH
1 DATA2+
TMDS2_RX2+
20 JACK_GND
SIDE_HDMI
.
21
JK302
**MULTI ITEM
QJ41193-FEE2-7F
1.24C02-SUB:0IMMRAL014D
2.SMD HDMI Jack-SUB:6612B00015B
+5V_ST
HPD_S/W_1
+5V_HDMI_1
+5V_HDMI_1
D301
R310
HPD_MST_1
1K
KDS184S
Q301
C
IC300
R300
10K
AT24C02BN-10SU-1.8
B
RT1C3904-T112
2SC3875S
E
A0
VCC
C300
1
8
0.01uF
R326
R327
50V
47K
47K
A1
WP
2
7
A2
SCL
R321
100
.
3
6
22
GND
SDA
R320
100
19 HPD
4
5
18 +5V_POWER
17 DDC/CEC_GND
16 SDA
JP1119
DDC_SDA1
15
SCL
DDC_SCL1
14 NC
JP1120
13 CEC
CEC
12
CLK-
TMDS1_RXC-
+5V_HDMI_1
11 CLK_SHIELD
R324
10K
10 CLK+
TMDS1_RXC+
HDMI1_5V_DET
DATA0-
TMDS1_RX0-
9
R325
8 DATA0_SHIELD
10K
7 DATA0+
TMDS1_RX0+
DATA1-
TMDS1_RX1-
6
5 DATA1_SHIELD
4 DATA1+
TMDS1_RX1+
DATA2-
TMDS1_RX2-
3
2 DATA2_SHIELD
DATA2+
TMDS1_RX2+
1
20 JACK_GND
.
21
JK301
QJ41193-FEE2-7F
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.
2008
Copyright
C
LG Electronics. Inc. All right reserved.
Only for training and service purposes
All manuals and user guides at all-guides.com
RS-232C
*ONLY LG30
R148
R134
0
10K
COMP1_R
+5V_ST
D103
C115
R106
1000pF
R135
5.6V
220K
12K
READY
RS232C
C110
IC101
0 . 1 u F
MAX3232CDR
C109
R149
R136
0 . 1 u F
10K
C1+
VCC
IR_OUT
0
COMP1_L
1
16
D104
C116
R108
1000pF
R137
C107
V+
GND
5.6V
READY
2
15
220K
12K
0 . 1 u F
R130
C1-
DOUT1
100
3
14
R131
C111
D120
C2+
RIN1
CDS3C30GTH
4
13
100
OPT
COMP1_Pr
30V
C106
0 . 1 u F
C2-
ROUT1
C112
D121
D105
R109
5
12
R128
OPT
CDS3C30GTH
75
SD05
100
30V
V-
DIN1
6
11
R129
100
C108
DOUT2
DIN2
7
10
0 . 1 u F
COMP1_Pb
+3.3V_MST
RIN2
ROUT2
8
9
D106
R110
75
+5V_ST
SD05
R150
R151
COMP1_Y
4.7K
4.7K
READY
READY
R111
D107
75
SD05
*RS232C TX
MAIN : EAN41348201(TI)
SUB : 0IMCRSG010A(STM)
PC SOUND
( K D S 2 2 6 )
JK102
PEJ024-01
3
E_SPRING
PC_R
6A
T_TERMINAL1
L100
D122
R132
1000-ohm
5.6V
220K
7A
B_TERMINAL1
CDS3C05GTA
4
R_SPRING
PC_G
5
T_SPRING
L101
D123
R133
1000-ohm
5.6V
220K
PC_B
7B
B_TERMINAL2
CDS3C05GTA
6B
T_TERMINAL2
+5V_ST
IC100
8
SHIELD_PLATE
AT24C02BN-10SU-1.8
R126
R127
A0
VCC
4.7K
C105
1
8
4.7K
0 . 1 u F
A1
WP
2
7
R124
A2
SCL
100
3
6
DSUB_SCL
R125
SDA
100
4
5
DSUB_SDA
+5V_ST
HPD_S/W_3
+5V_HDMI_3
OPTION
+5V_HDMI_3
SIDE_HDMI
D303
R344
1K
KDS184S
SW_HPD : USE SW HPD (Default)
Q307
C
IC303
2SC3875S
AT24C02BN-10SU-1.8
B
MST_HPD : USE MST HPD
E
A0
VCC
C313
1
8
0.01uF
R353
R354
50V
47K
47K
A1
WP
2
7
A2
SCL
R349
100
3
6
+3.3V_MULTI_MST
20
GND
SDA
R348
100
4
5
19 HPD
R333
18 +5V_POWER
51K
17DDC/CEC_GND
DDC_SDA3
16 SDA
JP1115
R376
READY
0
15 SCL
DDC_SCL3
R332
14 NC
JP1116
CEC
200
CEC
D302
13 CEC
30V
TMDS3_RXC-
+5V_HDMI_3
12 CLK-
CDS3C30GTH
11 CLK_SHIELD
R352
10 CLK+
TMDS3_RXC+
10K
9 DATA0-
TMDS3_RX0-
HDMI3_5V_DET
R351
8 DATA0_SHIELD
10K
7 DATA0+
TMDS3_RX0+
+5V_MULTI
6 DATA1-
TMDS3_RX1-
5 DATA1_SHIELD
4 DATA1+
TMDS3_RX1+
3 DATA2-
TMDS3_RX2-
D305
2 DATA2_SHIELD
KDS184S
1 DATA2+
TMDS3_RX2+
KDS184
R373
JK303
0
SIDE_HDMI
R377
SDA3
DDC_SDA3
1
48
22
SCL3
DDC_SCL3
R378
2
47
22
GND_1
3
46
B31
TMDS3_RXC-
4
45
A31
TMDS3_RXC+
5
44
VCC_1
IC302
6
43
C309
0.01uF
B32
TMDS3_RX0-
7
TMDS351PAG
42
A32
TMDS3_RX0+
8
41
GND_2
9
40
B33
TMDS3_RX1-
10
39
A33
TMDS3_RX1+
11
38
VCC_2
12
37
C308
0.01uF
B34
TMDS3_RX2-
13
36
A34
TMDS3_RX2+
14
35
GND_3
15
34
VSADJ
16
33
R372
4.7K
1%
R345
R346
0
0
R347
R350
R355
R356
R357
R358
0
0
0
0
0
0
+3.3V
+3.3V
R371
47K
INPUT2 : CVBS,SIDE AV
10
5
SIDE AV
9
JK204
4
PPJ218-01
8
[YL]O_SPRING
4A
3
READY
C213
D214
SD05
[YL]CONTACT
0 . 1 u F
7
5A
16V
2
[YL]U_CAN
2A
6
[WH]C_LUG
3B
1
D215
[WH]U_CAN
5.6V
2B
KCN-DS-1-0088
[RD]O_SPRING
4C
JK103
RXD
D216
[RD]CONTACT
5.6V
5C
TXD
[RD]U_CAN
2C
JK205
PSJ015-02
SIDE_Y
3
GROUND
D217
R245
SD05
75
4D
C_LUG_S_2
SIDE_C
4C
C_LUG_L_2
D218
R246
SD05
75
4B
C_LUG_S_1
4A
C_LUG_L_1
5
O_SPRING
S_VIDEO_DET
C210
D219
SD05
OPT
READY
SHIELD
7
R143
10K
PC_AUD_R
R142
12K
R144
10K
PC_AUD_L
R145
12K
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.
PANEL WAFER
+3.3V_MULTI_MST
READY
R334
30K
CEC_C
Q306
R383
BSS83
0
D
READY
B
S
G
C307
0.01uF
50V
READY
+5V_ST
+3.3V_HDMI_SW
R_USE LG50_60_70
L411-*1
0
L410-*1
0
R_USE LG50_60_70
A14
TMDS1_RX2+
B14
BEAD_USE LG50_60_70
TMDS1_RX2-
L411
USE LG50_60_70
BG1608B501F
VCC_6
R422
0
C316
0.01uF
SCL_LED
A13
TMDS1_RX1+
R423
0
SDA_LED
USE LG50_60_70
B13
BG1608B501F
TMDS1_RX1-
L410
BEAD_USE LG50_60_70
GND_6
P400
A12
TMDS1_RX0+
12505WS-15A00
B12
TMDS1_RX0-
+3.3V_MST
VCC_5
C412
C404
C315
0.01uF
1
L407
USE LG50_60_70
470pF
470pF
120OHM
A11
TMDS1_RXC+
2
UBW2012-121F
B11
C414
USE LG50_60_70
TMDS1_RXC-
22uF
3
16V
L404
SCL1
120OHM
R379
22
DDC_SCL1
UBW2012-121F
SDA1
4
R380
22
DDC_SDA1
C406
22uF
R413
3.3K
HPD1
R368
16V
0
HPD_S/W_1
5
R425
0
EQ
READY
READY
+3.3V_HDMI_SW
6
S2
R374
4.7K
7
*TI Recommand
R375
8
4.7K
- > P u l l u p
READY
9
IR-OUT
R439
HDMI_SEL2
L402
EAM38769502
47K
10
R366
C407
4.7K
11
OPT
READY
C403
12
47pF
BG1608B121F
R403
+3.3V_MULTI_MST
10K
13
L400
EAM38769502
C400
R360
4.7K
14
0 . 1 u F
READY
15
HDMI_SEL1
L401
EAM38769502
16
NOT LG60
E
R365
C401
Q402
READY
0
470pF
2SA1530A-T112-1R
NOT LG60
NOT LG60
+5V_ST
R434
C
10K
NOT LG60
3.3K
C
R417
READY
B
Q403
3.3K
KRC102S
R435
NOT LG60
NOT LG60
E
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.
CVBS
JK200
PPJ148-10
[YL]CONTACT
5B
[YL]O_SPRING
4B
D201
[YL]1P_CAN
SD05
2B
SIDE_V
R241
75
[WH]C_LUG_L
3
D202
[WH]1P_CAN
2
5.6V
[RD]CONTACT
R251
5A
0
R247
10K
SIDE_LIN
C214
R248
R242
100pF
220K
50V
12K
[RD]O_SPRING
4A
READY
D204
[RD]1P_CAN
5.6V
R252
2A
0
R249
10K
SIDE_RIN
C215
R244
R250
220K
100pF
50V
12K
READY
JK201
PPJ200-01
5
OPT
D208
4
5.6V
3
2
OPT
D209
1
5.6V
TXCE0+,TXCE0-,TXCE1+,TXCE1-,TXCE2+,TXCE2-,TXCE3+,TXCE3-,TXCE4+,TXCE4-,TXCLKE+,TXCLKE-
TXCE0+,TXCE0-,TXCE1+,TXCE1-,TXCE2+,TXCE2-,TXCE3+,TXCE3-,TXCLKE+,TXCLKE-
FHD
P402
SMAW200-40C
VCC_LCD
VCC_LCD
1
2
3
4
5
6
R408
7
8
0
9
10
FHD 8BIT:NC
FHD 8BIT:NC
R407
R424
TXCE0-
11
12
TXCE0+
HD
X
O
TXCE1-
13
14
TXCE1+
FHD
4.7K
X
TXCE2-
15
16
TXCE2+
TXCLKE-
17
18
TXCLKE+
TXCE3-
19
20
TXCE3+
+3.3V
TXCE4-
21
22
TXCE4+
R407
23
24
4.7K
FHD
25
26
FHD 8BIT:NC
FHD 8BIT:NC
TXCO0-
27
28
TXCO0+
R424
+3.3V
0
HD
TXCO1-
29
30
TXCO1+
10BIT except for 52 sharp R401
TXCO2-
31
32
TXCO2+
4.7K
TXCLKO-
33
34
TXCLKO+
R402
8BIT or 52 sharp
0
TXCO3-
35
36
TXCO3+
TXCO4-
37
38
TXCO4+
10BIT
39
40
8BIT(HD)
R415
0
8BIT(FHD)
READY
5 2 s h a r p
3 2 s h a r p
FHD
TXCLKO+,TXCLKO-,TXCO0+,TXCO0-,TXCO1+,TXCO1-,TXCO2+,TXCO2-,TXCO3+,TXCO3-,TXCO4+,TXCO4-
+3.3V_MST
R421
R420
L403
4.7K
4.7K
EAM38769502
BG1608B121F
KEY1
L406
EAM38769502
KEY2
+5V_ST
C411
C408
LG30
R405
0 . 1 u F
0 . 1 u F
0
LG60
LG50
R444
NOT LG60
3.3K
LG60
R404
0
E
R445
3.3K
LG70
Q406
+5V_ST_SW
LG60
B
LG60
PNP
C
LED_R_PWM_Big
EYEQ_RESET
**MULTI ITEM
2SC3052(P/N:0TRIY80001A) RA:2SC3875(P/N:0TR387500AA)
IR
+5V_ST
+5V_ST
R443
10K
R442
IR-OUT
22
IR-OUT
IR-OUT
IR_OUT
R440
IR-OUT
10K
C
R441
10K
B
Q404
2SC3052
C
C402
B
Q405
OPT
E
IR-OUT
2SC3052
READY
IR-OUT E
LG60
SPK-N
R414
10K
* L G 6 S o u n d m o d u l e o u t p u t
READY
LED_G
NOT LG60
R410
100
AC_DET
B
R409
10K
READY
LED_R/PWM
CONTROL KEY
NOT LG60
R210
0
CVBS_VIN
C207
R208
OPT
75
R222
0
R218
10K
CVBS_LIN
R209
C211
R219
220K
100pF
12K
50V
OPT
R223
0
R220
10K
CVBS_RIN
R212
C212
220K
100pF
R221
50V
12K
OPT
R213
0
SPK_R-_HOTEL
OPT
R236
OPT
1K
C208
MNT_LOUT
OPT
10uF
OPT
C216
R229
100pF
C
470K
50V
B
OPT
Q203
E
RT1C3904-T112
R211
0
AUDIO_R
OPT
R237
1K
C209
MNT_ROUT
OPT
10uF
OPT
C217
100pF
R230
C
50V
470K
B
MUTE_LINE
OPT
E
Q202
POP NOISE
RT1C3904-T112
R214
0
SPK_R+_HOTEL
HD_ATN
P403-*1
SMAW200-26C
1
2
HD_NORMAL
3
4
5
6
P403
7
8
SMW200-26C
9
10
11
12
13
14
15
16
17
18
19
20
1
2
21
22
23
24
3
4
25
26
R438
5
6
HD
0
7
8
CPT
9
10
R428
0
R428
TXCE0-
11
12
TXCE0+
CPT
O
LPL
X
TXCE1-
13
14
TXCE1+
3 2 s h a r p
X
TXCE2-
15
16
TXCE2+
TXCLKE-
17
18
TXCLKE+
TXCE3-
19
20
TXCE3+
NC
NC
21
22
R431
0
23
24
READY
R432
0
25
26
READY
HD
R401
R402
4.7K
X
X
0
X
0
X
0
X
X
R404
R444
R445
Q406
L410
L411
L407
C414
R414
O
X
X
X
X
X
X
X
X
O
X
X
BEAD BEAD
BEAD
22uF
X
X
X
3.3K
3.3K
O
BEAD BEAD
BEAD
22uF
10K
O
X
X
X
BEAD BEAD
BEAD
22uF
X
LGE Internal Use Only
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