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LG 55EM970V Service Manual page 29

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5V_HDMI_1
100
R3250
HDMI_HPD_1
VA3215
VA3208
ESD_HDMI
ESD_HDMI
R3207
100
BODY_SHIELD
DDC_SDA_1
R3208
100
20
DDC_SCL_1
HP_DET
19
5V
VA3207
VA3206
ESD_HDMI
ESD_HDMI
18
GND
17
DDC_DATA
C3202
1uF
16
DDC_CLK
10V
OPT
15
C3226
VA3213
ARC
0.1uF
ESD_HDMI
14
16V
CE_REMOTE
CEC_REMOTE
13
CK-
12
D3213
CK_GND
1
8
11
CK+
10
2
7
D0-
9
3
6
D0_GND
8
4
5
ESD_HDMI
D0+
7
9
D1-
6
D1_GND
5
D1+
4
D3212
D2-
1
8
3
D2_GND
2
7
2
D2+
3
6
1
4
5
ESD_HDMI
9
JK3202
51U019S-3441N-6RLGM5-HF
HDMI1 With ARC
R3251
100
HDMI_HPD_2
5V_HDMI_2
BODY_SHIELD
VA3205
ESD_HDMI
20
HP_DET
19
5V
R3209
100
18
GND
VA3209
ESD_HDMI
R3210
17
100
DDC_DATA
16
VA3203
DDC_CLK
VA3204
ESD_HDMI
ESD_HDMI
15
NC
14
CE_REMOTE
CEC_REMOTE
13
CK-
D3211
1
8
12
CK_GND
2
7
11
CK+
10
3
6
ESD_HDMI
D0-
9
4
5
D0_GND
8
D0+
9
7
D1-
6
D1_GND
D3209
5
1
8
D1+
4
2
7
D2-
3
3
6
ESD_HDMI
D2_GND
2
4
5
D2+
1
9
JK3200
51U019S-3441N-6RLGM5-HF
HDMI2
R3252
100
VA3202
ESD_HDMI
5V_HDMI_3
BODY_SHIELD
20
HP_DET
R3204 100
19
5V
R3205 100
18
GND
VA3214
ESD_HDMI
17
DDC_DATA
16
DDC_CLK
VA3200
VA3201
15
NC
ESD_HDMI
ESD_HDMI
14
CE_REMOTE
CEC_REMOTE
D3208
13
CK-
1
8
12
CK_GND
2
7
11
CK+
3
ESD_HDMI
6
10
D0-
4
5
9
D0_GND
8
9
D0+
7
D1-
6
D1_GND
D3210
5
1
8
D1+
4
2
7
D2-
3
3
6
ESD_HDMI
D2_GND
2
4
5
D2+
1
9
JK3201
51U019S-3441N-6RLGM5-HF
HDMI3
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 © 2013 LG Electronics. Inc. All rights reserved.
Only for training and service purposes
BODY_SHIELD
5V_HDMI_4
GND
20
R3253
HP_DET
100
19
ARC
5V
VA3212
18
ESD_HDMI
GND
VA3216
ESD_HDMI
17
DDC_DATA
100
R3222
SPDIF_OUT_ARC
16
DDC_CLK
R3223
100
15
NC
VA3211
VA3210
ESD_HDMI
14
CE_REMOTE
ESD_HDMI
CEC_REMOTE
13
CK-
12
D3214
CK_GND
1
8
11
CK+
CK-_HDMI1
10
2
7
CK+_HDMI1
D0-
3
6
9
ESD_HDMI
D0_GND
D0-_HDMI1
4
5
8
D0+_HDMI1
D0+
7
9
D1-
6
D1_GND
5
D3215
D1+
4
1
8
D2-
3
2
7
D1-_HDMI1
D2_GND
2
3
ESD_HDMI
6
D1+_HDMI1
D2+
1
4
5
D2-_HDMI1
D2+_HDMI1
9
51U019S-3441N-6RLGM5-HF
JK3203
+5V_NORMAL
5V_HDMI_1
+5V_NORMAL
5V_HDMI_2
D3200
D3202
DDC_SDA_2
R3219
R3217
47K
47K
R3228
R3225
DDC_SDA_1
47K
DDC_SCL_2
47K
DDC_SDA_2
DDC_SCL_1
DDC_SCL_2
+5V_NORMAL
5V_HDMI_3
+5V_NORMAL
+3.5V_ST
5V_HDMI_4
CK-_HDMI2
CK+_HDMI2
D3201
D3203
D3205
D0-_HDMI2
D0+_HDMI2
R3218
R3220
47K
47K
R3226
R3229
47K
47K
DDC_SDA_3
DDC_SDA_4
DDC_SCL_4
DDC_SCL_3
D1-_HDMI2
D1+_HDMI2
D2-_HDMI2
D2+_HDMI2
HDMI_HPD_3
DDC_SDA_3
DDC_SCL_3
C3200
10uF
10V
CK-_HDMI3
CK+_HDMI3
D0-_HDMI3
D0+_HDMI3
D1-_HDMI3
D1+_HDMI3
D2-_HDMI3
D2+_HDMI3
IC3202
[EP]
TPS2554
5V_HDMI_4
HDMI_HPD_4
FAULT
GND
+5V_NORMAL
10
1
D3206
MBR230LSFT1G
OUT_2
IN_1
9
2
DDC_SDA_4
30V
OUT_1
IN_2
DDC_SCL_4
8
3
ILIM0
ILIM_SEL
7
4
5%
ILIM1
EN
1/16W
6
5
10K
CK-_HDMI4
R3245
CK+_HDMI4
D0-_HDMI4
D0+_HDMI4
+3.5V_ST
D1-_HDMI4
E
R3247
MMBT3906(NXP)
D1+_HDMI4
R3243
10K
Q3201
1K
B
D2-_HDMI4
1/16W
C
5%
C3223
C
D2+_HDMI4
0.047uF
B
25V
Q3200
MMBT3904(NXP) E
HDMI4 With MHL
HDMI2
CK-_HDMI2
CK+_HDMI2
D0-_HDMI2
D0+_HDMI2
D1-_HDMI2
D1+_HDMI2
D2-_HDMI2
D2+_HDMI2
HDMI3
CK-_HDMI3
CK+_HDMI3
D0-_HDMI3
D0+_HDMI3
D1-_HDMI3
D1+_HDMI3
+3.3V_NORMAL
D2-_HDMI3
L3200
D2+_HDMI3
BLM18PG121SN1D
C3205
C3211
C3210
10uF
0.1uF
10V
0.1uF
16V
16V
IC3200
AZ1117BH-1.2TRE1
IN
OUT
3
2
1
GND/ADJ
C3203
C3201
C3206
10uF
10uF
0.1uF
10V
10V
16V
C3204
0.1uF
16V
Vout=0.8*(1+R1/R2)
C3208
0.1uF
A1
C
MHL_DET
A2
HDMI1
HDMI S/W OUTPUT
MHL_DET
R1XCN
1
R1XCP
2
THERMAL
R1X0N
3
89
R1X0P
4
R1X1N
5
R1X1P
6
R1X2N
7
R1X2P
8
IC3201
AVDD12_1
9
SII9587CNUC
VDD12_1
10
R3XCN
11
FHD
R3XCP
12
R3X0N
13
R3X0P
14
Device Address : 0XB0
R3X1N
15
R3X1P
16
R3X2N
17
R3X2P
18
AVDD12_2
19
VDD33_1
20
R4XCN
21
R4XCP
22
C3216
10uF
10V
C3207
C3217
0.1uF
0.1uF
16V
16V
HDMI4
5V_HDMI_1
5V_HDMI_2
R3231
R3232
10
10
1/16W
1/16W
R3233
C3214
R3234
C3213
5.1K
5.1K
1uF
1uF
5%
5%
UD
R1XCN
RSVDL
1
66
R1XCP
SPDIF_IN
2
65
R1X0N
THERMAL
INT
3
89
64
R1X0P
4
63
CSCL
R1X1N
5
62
CSDA
R1X1P
RESET_N
6
61
R1X2N
TPWR
7
60
R1X2P
GPIO1
8
IC3201-*1
59
AVDD12_1
9
58
GPIO0
SII9587CNUC-3
VDD12_1
10
57
CD-SENSE4
R3XCN
11
56
CD_SENSE3
R3XCP
GPIO2
12
55
R3X0N
CD_SENSE1
13
54
R3X0P
CD_SENSE0
14
53
R3X1N
15
52
WKUP
R3X1P
16
51
LPSBV
R3X2N
PWRMUX_OUT
17
50
R3X2P
SBVCC5
18
49
AVDD12_2
R5PWR5V[VGA]
19
48
VDD33_1
20
47
DSCL5[VGA]
R4XCN
21
46
DSDA5[VGA]
R4XCP
22
45
R4PWR5V
16V
0.1uF
C3224
C3225
0.1uF
16V
+3.3V_NORMAL
RSVDL
66
OPT
SPDIF_IN
R3224
33
65
SPDIF_OUT
INT
R3211
33
64
HDMI_INT
CSCL
R3236
33
63
I2C_SCL5
CSDA
R3237
33
62
I2C_SDA5
RESET_N
R3214
33
61
HDMI_S/W_RESET
TPWR
60
GPIO1
59
GPIO0
58
CD-SENSE4
57
MHL_DET
CD_SENSE3
56
+3.5V_ST
GPIO2
55
+5V_NORMAL
+3.3V_NORMAL
CD_SENSE1
54
1/16W
CD_SENSE0
53
R3213
5.1K
WKUP
52
5%
HDMI_WKUP
LPSBV
51
PWRMUX_OUT
50
R3216
SBVCC5
10
RGB_5V
49
R3242
R5PWR5V[VGA]
48
10
DSCL5[VGA]
47
DSDA5[VGA]
RGB_DDC_SCL
46
R4PWR5V
RGB_DDC_SDA
45
C3221
C3209
C3215
0.1uF
0.1uF
1uF
16V
16V
10V
C3212
C3218
1uF
10uF
VA3217
10V
10V
C3222
ESD_HDMI
10uF
10V
OPT
R3215
33
12V_EXT_PWR_DET
HDMI_WKUP
R3212
33
MHL_DET
5V_HDMI_3
5V_HDMI_4
R3240
R3238
10
10
1/16W
1/16W
C3220
R3241
C3219
R3239
5.1K
5.1K
1uF
1uF
5%
5%
2011.10.19
GP4
HDMI
32
LGE Internal Use Only

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