LG 55LA7400 Service Manual page 30

SIDE
BODY_SHIELD
5VBUS
GND L3303
BLM18PG121SN1D
20
HP_DET
19
5V
18
GND
17
DDC_DATA R3308
16
DDC_CLK
R3309
15
R3342
NC 0
SOC_RX
14
CE_REMOTE OPT
CEC_REMOTE
13
CK-
CK-_HDMI4_JACK
12
CK_GND
11
CK+
10
CK+_HDMI4_JACK
D0-
9
D0-_HDMI4_JACK
D0_GND
8
D0+
7
D0+_HDMI4_JACK
D1-
6
D1-_HDMI4_JACK
D1_GND
5
D1+
4
D1+_HDMI4_JACK
D2-
3
D2-_HDMI4_JACK
R3373
D2_GND
1K
2
D2+ 1/16W
1
D2+_HDMI4_JACK 5%
51U019S-312HFN-E-R-B-LG
JK3301
UI : HDMI3
5V_HDMI_3_JACK
SIDE
VA3304
ADLC 5S 02 015
OPT
R3330
1K
GND BODY_SHIELD
C
R3331
20
1K
Q3303 B
HP_DET
MMBT3904(NXP)
19
5V R3327
E
100K
18
GND
17
DDC_DATA
R3328
16
DDC_CLK
R3329
15
ARC
HDMI_ARC
14
CE_REMOTE
CEC_REMOTE
13
CK-
D3320
RCLAMP0524PA
12
CK_GND
OPT
1 10
11
CK+
2 9
10
3 8
D0-
9
4 7
D0_GND
5 6
8
D0+
7
OPT
D1-
D3321
6
RCLAMP0524PA
D1_GND
5
1 10
D1+
2 9
4
3 8
D2-
3
4 7
D2-_HDMI3_JACK
D2_GND
5 6
2
D2+_HDMI3_JACK
D2+
1
JK3303
51U019S-312HFN-E-R-B-LG
UI : HDMI1
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 right reserved.
Only for training and service purposes
SIL_HPD/CBUS
+12V OPT
R3384 S
1K
G
D
+12V
D
R3370
1K
Q3314
PMBFJ177
G
S
100
DDC_SDA_MHL
100
DDC_SCL_4_JACK
+3.5V_ST
E
R3375 MMBT3906(NXP)
10K Q3302
B
C
C
B
MHL_DET
Q3301
C3322 MMBT3904(NXP) E
(CD_SENCE)
0.1uF
16V
OPT
VA3310
SIDE
ADLC 5S 02 015
OPT
BODY_SHIELD
R3336
4.7K
20
HP_DET
19
5V
HDMI_HPD_3_JACK
18
GND
17
DDC_DATA
16
DDC_CLK
100
DDC_SDA_3_JACK 15
R3341
NC
100
DDC_SCL_3_JACK 14
CE_REMOTE
OPT
13
CK-
12
CK_GND
11
CK+
10
D0-
CK-_HDMI3_JACK
9
CK+_HDMI3_JACK
D0_GND
8
D0-_HDMI3_JACK D0+
7
D0+_HDMI3_JACK
D1-
6
D1_GND
5
D1+
4
D2-
D1-_HDMI3_JACK
3
D1+_HDMI3_JACK
D2_GND
2
D2+
1
JK3300
51U019S-312HFN-E-R-B-LG
+3.3V_NORMAL
1.2V_MHL
+3.3V_NORMAL
RSVDL1
1
VDD12_1
2
R3356 THERMAL
RSVDL2
10K 3
41
RESET
4
#SIL_RESET
PWR5V_DET
5 IC3304
C3314
MHL_DET
OPT 0.1uF
R3351 INT
16V 6 SIL1292CNUC
4.7K OPT
DSDA
7
DDC_SDA_MHL
DSCL
8
DDC_SCL_MHL
CBUS/HPD
9
SIL_HPD/CBUS
VDD5_IN
10
5V_MHL
C3313
0.1uF
16V
5V_HDMI_1_SOC
DDC_SCL_4_JACK
R3304 R3306
1K 4.7K
HDMI_INTERNAL_EDID
C
R3305
1K
Q3300 B
HDMI_HPD_1_SOC
MMBT3904(NXP)
R3301
R3321
100K E
4.7K
HDMI_EXT_EDID
R3302 100
DDC_SDA_1_SOC
R3303 100
DDC_SCL_1_SOC
0
SOC_TX
MHL_DET
CEC_REMOTE
D3319
RCLAMP0524PA
OPT
1 10
CK-_HDMI1_SOC
2 9
CK+_HDMI1_SOC
3 8
4 7
D0-_HDMI1_SOC
5 6
D0+_HDMI1_SOC
OPT
D3318
RCLAMP0524PA
1 10
D1-_HDMI1_SOC
2 9
D1+_HDMI1_SOC
3 8
4 7
D2-_HDMI1_SOC
5 6
D2+_HDMI1_SOC
UI : HDMI2
+3.3V_NORMAL
1.2V_MHL
AVDD12
30
TXC-
29
CK-_HDMI4_MHL
TXC+
28
CK+_HDMI4_MHL
TX0-
27
D0-_HDMI4_MHL
TX0+
26
D0+_HDMI4_MHL
TX1-
25
D1-_HDMI4_MHL
TX1+
24 5V_MHL
D1+_HDMI4_MHL
TX2-
23
D2-_HDMI4_MHL
R3348
TX2+
22
10K
D2+_HDMI4_MHL
HPD_IN
21
HDMI_HPD_4_MHL
R3358
4.7K
OPT
1.2V_MHL
+3.3V_NORMAL
OPT
R3355
4.7K
OPT
R3345
4.7K
#MHL_OCP
5V_MHL
+3.5V_ST
5V_MHL
R3338
10K
R3361
47K
DDC_SCL_MHL
30V
BAT54_SUZHO
D3304
5V_MHL
Q3309
PMV48XP
G
C
R3380 R3307
R3381
1.8K
22K
B Q3311 1.8K
MMBT3904(NXP)
DDC_SDA_MHL
E
DDC_SCL_MHL
5V_HDMI_1_SOC
HDMI_EXT_EDID +5V_NORMAL
E
MMBT3904(NXP)
EDID_WP
Q3313 B
C
IC3300
MMBD6100
M24C02-RMN6T D3300
E0 VCC
1 8
E1 WC
2 7
R3323 R3325
47K 47K
HDMI_EXT_EDID R3319
E2 SCL 22
3 6
DDC_SCL_1_SOC
HDMI_EXT_EDID
R3320
VSS SDA 22
4 5 DDC_SDA_1_SOC
HDMI_EXT_EDID
1.2V_MHL
+1.23V_D_Demod
L3302
BLM18PG121SN1D
NON_TU_H/N/S_T/US
Close to SIL1292
C3316 C3320
0.1uF 0.1uF
16V 16V
+3.3V_NORMAL
+5V_NORMAL
5V_MHL
L3301
BLM18PG121SN1D
C3311 C3318
0.1uF 0.1uF
16V 16V
C3321
0.1uF
16V
5V_MHL
R3362
10K
HDMI_DET
R3357
C
10K Q3310
B
MMBT3904(NXP)
MHL_DET
E
TP3300
Current Limit
5VBUS
IC3301
5V_MHL
TPS2051BDBVR
OUT IN
1 5
C3315
C3312
0.1uF
R3359 GND
2
10uF 16V
100K
10V
OC EN
3 4
MHL_DET
#MHL_OCP
+5V_NORMAL
C3302
0.1uF R3337 R3339 R3340
16V 47K 47K 47K
DDC_SCL_1_SOC
DDC_SDA_1_SOC
DDC_SDA_MHL
DDC_SCL_3_JACK
DDC_SDA_3_JACK
2011.10.29
HDMI 4
33
LGE Internal Use Only