LG 42LB5800 Service Manual page 34

SIDE
BODY_SHIELD
5VBUS
GND L3303
BLM18PG121SN1D
20
FREEPORT HP_DET
19
5V
18
GND
17
DDC_DATA R3308
16
DDC_CLK
R3309
15
NC
14
CE_REMOTE
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
ADUC 20S 02 010L
R3330
1K
GND BODY_SHIELD
C
R3331
20
1K
Q3303 B
HP_DET
FREEPORT
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
IP4294CZ10-TBR
12
CK_GND
1 10
11
CK+
2 9
10
3 8
D0-
9
4 7
D0_GND
5 6
8
D0+
7
D1-
D3321
6
IP4294CZ10-TBR
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.
FIRE AND ELECTRICAL SHOCK HAZARDS, WHEN SERVICING IF IS
ESSENTIAL THAT ONLY MANUFACTURES SPECIFIED PARTS BE USED FOR
THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC.
Copyright ⓒ 2014 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
Improve EMI(Apply the Mold B/C Model)
100
DDC_SCL_4_JACK
BODY_SHIELD
20
19
18
+3.5V_ST
17
16
15
14
13
E
R3375 MMBT3906(NXP)
10K Q3302
12
B
11
C
C 10
B
MHL_DET 9
Q3301
8
C3322 MMBT3904(NXP) E
(CD_SENCE)
7
0.1uF
16V
6
OPT
5
4
3
2
1
FOOSUNG
DAADR019A
JK3300-*1
VA3310
SIDE
ADUC 20S 02 010L
R3336 BODY_SHIELD
4.7K
20
HP_DET
FREEPORT
HDMI_HPD_3_JACK
19
5V
18
GND
17
DDC_DATA
100 16
DDC_SDA_3_JACK DDC_CLK
100
15
DDC_SCL_3_JACK NC
14
CE_REMOTE
13
CK-
12
CK_GND
11
CK+
10
CK-_HDMI3_JACK
CK+_HDMI3_JACK D0-
9
D0_GND
D0-_HDMI3_JACK 8
D0+_HDMI3_JACK D0+
7
D1-
6
D1_GND
5
D1+
4
D1-_HDMI3_JACK
D1+_HDMI3_JACK D2-
3
D2_GND
2
D2+
1
JK3300
51U019S-312HFN-E-R-B-LG
1.2V_MHL
VDD3V3_HDMI
R3356
10K
#SIL_RESET
C3314
MHL_DET
OPT
0.1uF
R3351
16V
4.7K OPT
DDC_SDA_MHL
DDC_SCL_MHL
SIL_HPD/CBUS
5V_MHL
C3313
BODY_SHIELD BODY_SHIELD 0.1uF
16V
20 20
19 19
HOT_PLUG_DETECT HOT_PLUG_DETECT
HOT_PLUG_DETECT
18 18
VDD[+5V] VDD[+5V]
VDD[+5V]
17 17
DDC/CEC_GND DDC/CEC_GND
DDC/CEC_GND
16 16
SDA SDA
SDA
15 15
SCL SCL
SCL
14 14
RESERVED RESERVED
RESERVED
13 13
CEC CEC
CEC
12 12
TMDS_CLK- TMDS_CLK-
TMDS_CLK-
11 11
TMDS_CLK_SHIELD TMDS_CLK_SHIELD
TMDS_CLK_SHIELD
10 10
TMDS_CLK+ TMDS_CLK+
TMDS_CLK+
9 9
TMDS_DATA0- TMDS_DATA0-
TMDS_DATA0-
8 8
TMDS_DATA0_SHIELD TMDS_DATA0_SHIELD
TMDS_DATA0_SHIELD
7 7
TMDS_DATA0+ TMDS_DATA0+
TMDS_DATA0+
6 6
TMDS_DATA1- TMDS_DATA1-
TMDS_DATA1-
5 5
TMDS_DATA1_SHIELD TMDS_DATA1_SHIELD
TMDS_DATA1_SHIELD
4 4
TMDS_DATA1+ TMDS_DATA1+
TMDS_DATA1+
3 3
TMDS_DATA2- TMDS_DATA2-
TMDS_DATA2-
2 2
TMDS_DATA2_SHIELD TMDS_DATA2_SHIELD
TMDS_DATA2_SHIELD
1 1
TMDS_DATA2+ TMDS_DATA2+
TMDS_DATA2+
FOOSUNG FOOSUNG
DAADR019A DAADR019A
JK3301-*1 JK3303-*1
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
E R3321
100K
4.7K
HDMI_EXT_EDID
R3302 100
DDC_SDA_1_SOC
R3303 100
DDC_SCL_1_SOC
MHL_DET
CEC_REMOTE
D3319
IP4294CZ10-TBR
1 10
CK-_HDMI1_SOC
2 9
CK+_HDMI1_SOC
3 8
4 7
D0-_HDMI1_SOC
5 6
D0+_HDMI1_SOC
CEC_REMOTE
D3318
IP4294CZ10-TBR
1 10
D1-_HDMI1_SOC
2 9
D1+_HDMI1_SOC
3 8
4 7
D2-_HDMI1_SOC
5 6
D2+_HDMI1_SOC
UI : HDMI2
Field Issue
Latch Up
VDD3V3_HDMI
(+3.3V_NORMAL -> VDD3V3)
VDD3V3_HDMI
1.2V_MHL
RSVDL1 AVDD12
1 30
VDD12_1 TXC-
2 29
THERMAL CK-_HDMI4_MHL
RSVDL2 TXC+
3 28
41
CK+_HDMI4_MHL
RESET TX0-
4 27
D0-_HDMI4_MHL
PWR5V_DET TX0+
5 IC3304 26
D0+_HDMI4_MHL
INT TX1-
6 SIL1292CNUC 25
D1-_HDMI4_MHL
DSDA TX1+
7 24
D1+_HDMI4_MHL
DSCL TX2-
8 23
D2-_HDMI4_MHL
CBUS/HPD TX2+
9 22
D2+_HDMI4_MHL
VDD5_IN HPD_IN
10 21
1.2V_MHL
VDD3V3_HDMI
OPT
R3355
4.7K
OPT
R3345
4.7K
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
HDMI_EXT_EDID
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
R3390
E1 WC 10K
2 7
R3323 R3325
HDMI_EXT_EDID 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
CHANGE NET Demod_Core
1.2V_MHL
Demod_Core
L3302
BLM18PG121SN1D
TU_DEMOD_CORE
Close to SIL1292
C3316 C3320
0.1uF 0.1uF
16V 16V
VDD3V3_HDMI
+5V_NORMAL
5V_MHL
L3301
BLM18PG121SN1D
C3311 C3318
0.1uF 0.1uF
16V 16V
C3321
0.1uF
16V
5V_MHL
R3348
10K
HDMI_HPD_4_MHL
R3358
4.7K
5V_MHL
OPT
R3362
10K
HDMI_DET
R3357
C
10K Q3310
B
MMBT3904(NXP)
MHL_DET
E
#MHL_OCP
TP3300
Current Limit
5VBUS
IC3301
5V_MHL
TPS2051BDBVR
D3322
OUT IN
1 5
30V
C3315
ZD501
C3312
0.1uF
R3359 GND 5V
2
10uF OPT 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
2013.07.16
HDMI 4
533
LGE Internal Use Only