LG 42PA4500 Service Manual page 16

SIDE_HDMI_1
HDMI_1
E
DUP_DVB
2SC3052
+5V
Q200-*1
B
C
JK200-*1
SHIELD 5V_DET_HDMI_1
YKF45-7058V
R200
HDMI1_NON Screw
DATA2+
1K 1
20 C R202 DATA2_SHIELD
HDMI_1 2
10K DATA2-
3
HDMI_1 DATA1+
B 4
DATA1_SHIELD
5
HPD1 DATA1-
19 6
R201 Q200 R217 DATA0+
7
1.8K HDMI_1 MMBT3904(NXP) 10K DATA0_SHIELD
8
HDMI_1 E HDMI_1 DATA0-
9
18 R204 CLK+
10
CLK_SHIELD
3.3K 11
CLK-
HDMI_1 R207 12
R281 R282 CEC
17 33 13
10K 10K NC
HDMI_1 14
HDMI_1 HDMI_1 SCL
15
DDC_SDA_1 SDA
16 16
DDC/CEC_GND
17
+5V_POWER
18
DDC_SCL_1 HPD
19
15
R208
33 HDMI_1
14
CEC_REMOTE
13
CK-_HDMI1
12
11
CK+
10 CK+_HDMI1
D0-
9 D0-_HDMI1
D0_GND
8
D0+
7
D0+_HDMI1
D1-
6
D1-_HDMI1
D1_GND
5
D1+
4
D1+_HDMI1
D2-
3
D2-_HDMI1
D2_GND
2
D2+
1
D2+_HDMI1
JK200
HDMI_1
JK211
PPJ239-01
[RD1]E-LUG
NON_EU 6H
[RD1]O-SPRING_2
5H
[RD1]CONTACT_2
4H
[WH1]O-SPRING
5G
[RD1]CONTACT_1
4F
[RD1]O-SPRING_1
5F
[RD1]E-LUG-S
7F
[BL1]O-SPRING
5E
[BL1]E-LUG-S
7E
[GN1]CONTACT
4D
[GN1]O-SPRING
5D
[GN1]E-LUG
6D
[RD2]E-LUG
6N
[RD2]O-SPRING_2
5N
R235
[RD2]CONTACT 470K
4N
[WH2]O-SPRING
R238
5M
470K
[RD2]O-SPRING_1
5L
[RD2]E-LUG-S
7L
[BL2]O-SPRING
5K
[BL2]E-LUG-S
7K
NON_EU
[GN2]CONTACT R248
4J 10K
[GN2]O-SPRING
5J
[GN2]E-LUG
6J
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.
Copyright © 2012 LG Electronics Inc. All rights reserved.
Only for training and service purposes
SIDE_HDMI_2
E
DUP_DVB
+5V 2SC3052
Q201-*1
B
C
BODY_SHIELD 5V_DET_HDMI_2
R226
1K
C R203
20
SIDE_HDMI_1
10K
SIDE_HDMI_1
B
HPD2
19
R227 Q201 R237
1.8K SIDE_HDMI_1 MMBT3904(NXP) 10K
SIDE_HDMI_1 E SIDE_HDMI_1
18 R230
3.3K
SIDE_HDMI_1 R231
17 R286 R287
33
10K 10K
SIDE_HDMI_1
SIDE_HDMI_1 SIDE_HDMI_1
DDC_SDA_2
16
DDC_SCL_2
15 R232
33
20
SIDE_HDMI_1
SHIELD
14
CEC_REMOTE
13
CK-_HDMI2
12
11
CK+
10
CK+_HDMI2
D0-
9
D0-_HDMI2
D0_GND
8
D0+
7
D0+_HDMI2
D1-
6
D1-_HDMI2
D1_GND
5
D1+
4
D1+_HDMI2
D2-
3
D2-_HDMI2
D2_GND
2
D2+
1
D2+_HDMI2
JK201
SIDE_HDMI_1 SIDE_HDMI_2
COMPONENT2
JK208
PPJ234-02
EU [GN]E-LUG
6A
[GN]O-SPRING
5A
[GN]CONTACT
4A
[BL]E-LUG-S
7B
[BL]O-SPRING
5B
[RD]E-LUG-S
7C
[RD]O-SPRING_1
5C
[RD]CONTACT_1
4C
5D
[WH]O-SPRING
4E
[RD]CONTACT_2
5E
[RD]O-SPRING_2
6E
[RD]E-LUG
NON_EU
R234
10K
AV/SC1_R_IN
R236
12K
NON_EU
R239
10K
AV/SC1_L_IN RGB PC
R242
12K
JK205
SPG09-DB-010
SC1_R+/COMP1_Pr+
RED_GND
6
GND_2
1
11
RED
GREEN_GND
7
DDC_DATA
2 12
GREEN
SC1_B+/COMP1_Pb+
BLUE_GND
8
H_SYNC
3 13
BLUE
+3.3V
NC
9
V_SYNC
NON_EU 4 14
R249 GND_1
1K
SYNC_GND
10
COMP1_DET
DDC_CLOCK
5 15
DDC_GND
SC1_G+/COMP1_Y+
16
SHILED
GND
E
DUP_DVB
2SC3052
+5V Q202-*1
B
For CEC
C
BODY_SHIELD
R240 5V_DET_HDMI_3
1K
SIDE_HDMI_2
C R209
20
10K
SIDE_HDMI_2
B
HPD3
Q202
19
R241 R250
MMBT3904(NXP)
1.8K SIDE_HDMI_2 10K
SIDE_HDMI_2
SIDE_HDMI_2
E
18 R244
3.3K
SIDE_HDMI_2
17 R288 R289
R245
10K 10K
33 SIDE_HDMI_2
SIDE_HDMI_2 SIDE_HDMI_2
DDC_SDA_3
16
DDC_SCL_3
15 R246
33 SIDE_HDMI_2
14
CEC_REMOTE CEC_REMOTE
13
CK-_HDMI3
12
11
CK+
10
CK+_HDMI3
D0-
9
D0-_HDMI3
D0_GND
8
D0+
7
D0+_HDMI3
D1-
6
D1-_HDMI3
D1_GND
5
D1+
4
D1+_HDMI3
D2-
3
D2-_HDMI3
D2_GND
2
D2+
1
D2+_HDMI3
JK202
RS232C
+3.3V
R251
75
COMP2_Y+ R259
10K
R266
AV2_DET
1K
R252
R265
75
10K
COMP2_DET
COMP2_Pb+
R267
1K
R253
75
COMP2_Pr+
JK203
SPG09-DB-009
COMP2_L_IN
R256 10K
R254 R262
470K 12K
1
COMP2_R_IN 6
R257 10K
2
R255
R263
470K
12K
7
3
8
4
9
5
10
PC AUDIO
+5V_ST
JK206
R297 R298
PEJ027-04
10K 10K
R214
75
DSUB_R+
R215
RGB_DDC_SDA
75
DSUB_G+
R205
33
R216
+3.3V
DSUB_HSYNC
75
DSUB_B+
R206
33
DSUB_VSYNC R224
C202 C203
10K R225
10pF 10pF
1K
50V 50V
DSUB_DET
RGB_DDC_SCL
PC_SER_DATA
R212
10
PC_SER_CLK
R211
10
SPDIF
JK204
JST1223-001
FIX_POLE
R268
100
CEC_REMOTE_S7
SIDE USB
JK209
3AU04S-305-ZC-(LG)
10mm
+3.3V_ST
PM_TXD
R283 22
+3.3V_ST
JP241 C229
PM_RXD
R284 22 0.1uF
IC206
16V
R278
R279 MAX3232CDR
10K
10K
VCC C1+
16 1
C228
0.1uF
R276 100
GND V+ 16V
15 2
+5V_ST
R277 C225
DOUT1 C1- 0.1uF
100
14 3
16V
R228
10K RIN1 C2+
13 4
USA
C226
TX 0.1uF
ROUT1 C2-
C R229 16V
12 5
100K
USA
Q204 B
MMBT3904(NXP)
DIN1 V-
USA R233
11 6
100K
E
USA
DIN2 DOUT2
10 7
ROUT2 RIN2
9 8
E C227
DUP_AT 0.1uF
2SC3052 16V
Q204*-1 B
C
E_SPRING
3
T_TERMINAL1
6A
R220
B_TERMINAL1 10K
7A
PC_R_IN
R_SPRING R218 R222
4
470K 12K
T_SPRING
5
R221
B_TERMINAL2 10K
7B
PC_L_IN
T_TERMINAL2 R219 R223
6B
470K 12K
JK204-*1 DUP_DVB
DUP_AT
2F01TC1-CLM97-4F
GND
GND 1
+5V
VCC
VCC 2
C219
0.1uF R285
16V 100 VIN
VINPUT 3
SPDIF_OUT
4
C220
10pF
50V
PEN_TOUCH
1A SPEC
+5V_ST
D225 IC207
SWITCH ADDED
AP2337SA-7 +3.3V
B140A
+3.3V
+5V
PEN_TOUCH
VIN 3 2 VOUT
IC204
1
40V
GND
AP2191SG-13
R264
10K
NC GND R270
8 1
10K
OUT_2 IN_1
7 2
$0.11
OUT_1 IN_2
6 3
R258
C212 C213
33
0.1uF 10uF FLG EN
16V 10V 5 4 USB1_CTL
R271
USB1_OCD 33
SIDE_USB_DM
SIDE_USB_DP
ETHERNET
+2.5V
JK210
XRJV-01V-0-D12-080
1 JK210-*1
1 BS-R430051
TP
1 ET_NET_UDE
2 1
2
2
2
3
3
3
TN 3
4
4
4
4
RP
5
5
5 6
6
ET_NET 5
7
7
6
6 8
RN 8
C200 9
7
0.1uF D200 D204 D205 D206
7
9
16V 5.6V 5.6V 5.6V 5.6V
ET_NET ET_NET ET_NET ET_NET ET_NET
8
8
9
9
R273 R291
0 0
ET_NET ET_NET
R280 R290
0 0
ET_NET ET_NET
WIRED IR
JK207
PEJ027-04
E_SPRING
USA 3
T_TERMINAL1
6A
IR
B_TERMINAL1
7A
R_SPRING
4
R213
0
NON_USA
T_SPRING
5
B_TERMINAL2
7B
TX
R210
T_TERMINAL2 10
6B
USA
2011-12-1
GP4_S7LR1
JACK INTERFACE
2
7
LGE Internal Use Only