LG 43UF770T Service Manual page 73

5V_HDMI_3
R3302
R3337
1K
33
C OPT
Q3300
1K
B
2N3904S
BODY_SHIELD
R3300 R3303
100K
E
20
KEC_HDMI_HPD_3_TR
C
19
HOT_PLUG_DETECT Q3300-*1
MMBT3904(NXP)
18
NXP_HDMI_HPD_3_TR
VDD[+5V]
E
17
DDC/CEC_GND
16
SDA
15
SCL
14
RESERVED
CEC_REMOTE
13
CEC
AR3300
5.1
12
TMDS_CLK- 1/16W
11
TMDS_CLK_SHIELD
10
TMDS_CLK+
9
TMDS_DATA0-
8
TMDS_DATA0_SHIELD
7
TMDS_DATA0+
6
TMDS_DATA1-
5
TMDS_DATA1_SHIELD
4 AR3301
TMDS_DATA1+
5.1
1/16W
3
TMDS_DATA2-
2
TMDS_DATA2_SHIELD
1
TMDS_DATA2+
JK3301
HDMI_JACK_YEON(SUB)
05008WR-H19C
EAG63530104
YEON HO ELECTRONICS CO., LTD
5V_HDMI_2
C
Q3301
2N3904S
BODY_SHIELD
R3301
100K
E
20
KEC_HDMI_HPD_2_TR
19
HOT_PLUG_DETECT Q3301-*1
MMBT3904(NXP)
18
VDD[+5V]
NXP_HDMI_HPD_2_TR
17
DDC/CEC_GND
16
SDA
15
SCL
HDMI_ARC
14
RESERVED
CEC_REMOTE
13
CEC
AR3303
12 5.1
TMDS_CLK- 1/16W
11
TMDS_CLK_SHIELD
10
TMDS_CLK+
9
TMDS_DATA0-
8
TMDS_DATA0_SHIELD
7
TMDS_DATA0+
AR3306
5.1
6
TMDS_DATA1- 1/16W
5
TMDS_DATA1_SHIELD
4
TMDS_DATA1+
3
TMDS_DATA2-
2
TMDS_DATA2_SHIELD
1
TMDS_DATA2+
JK3300
HDMI_JACK_YEON(SUB)
05008WR-H19C
EAG63530104
YEON HO ELECTRONICS CO., LTD
MHL
MHL_DIODE(KEC)
0DTKE00018A
ZD3300-*1
5V_MHL
C3301
MHL
0.1uF
16V
+5V_NORMAL
5V_MHL
MHL_DIODE(SD05)
0DR050008AA
MHL_DET_LM15
L3300
PZ1608U121-2R0TF
MHL MHL
C3300
0.1uF
16V
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 © 2015 LG Electronics. Inc. All rights reserved.
Only for training and service purposes
5V_DET_HDMI_3
R3309
1.8K
R3305
4.7K
NON_HDMI_EXT_EDID
TMDS_DATA2+
HDMI_HPD_3 TMDS_DATA2_SHIELD
TMDS_DATA2-
R3339
TMDS_DATA1+
4.7K
TMDS_DATA1_SHIELD
HDMI_EXT_EDID TMDS_DATA1-
TMDS_DATA0+
AR3309
TMDS_DATA0_SHIELD
B 33
TMDS_DATA0-
DDC_SDA_3
TMDS_CLK+
DDC_SCL_3 TMDS_CLK_SHIELD
TMDS_CLK-
VA3306 RESERVED
VA3304
ESD_HDMI
ESD_HDMI
DDC/CEC_GND
VDD[+5V]
HOT_PLUG_DETECT
CK-_HDMI3
CK+_HDMI3
D0-_HDMI3
D0+_HDMI3
D1-_HDMI3
D1+_HDMI3
D2-_HDMI3
D2+_HDMI3
HDMI3
5V_DET_HDMI_2
R3308
1.8K
OPT
R3304
R3338
1K R3307
33
4.7K
R3306
1K
B
HDMI_HPD_2
C AR3310
33
B DDC_SDA_2
DDC_SCL_2
E
VA3307
VA3305
ESD_HDMI ESD_HDMI
CK-_HDMI2
CK+_HDMI2
D0-_HDMI2
D0+_HDMI2
D1-_HDMI2
D1+_HDMI2
D2-_HDMI2
D2+_HDMI2
HDMI2 with ARC
Current Limit
5V_HDMI_1
MHL
L3301
IC3300
BLM31PG500SN1
TPS2553DBV 50-ohm
IN OUT D3304
1 6
ZD3300 MHL 30V MHL
5V
1% OPT C3302
MHL
GND ILIM R3313
2 5 10uF
100K
20K 10V
R3311 MHL
EN FAULT
3 4
/MHL_OCP
/MHL_OCP
EAG63530103 EAG63530103 EAG63530103
HDMI_JACK_CNPLUS(MAIN) HDMI_JACK_CNPLUS(MAIN) HDMI_JACK_CNPLUS(MAIN)
JK3300-*1
JK3301-*1 JK3302-*1
5501-56219 5501-56219 5501-56219
TMDS_DATA2+
1 1 TMDS_DATA2+
1
2 TMDS_DATA2_SHIELD TMDS_DATA2_SHIELD
2 2
3 TMDS_DATA2- TMDS_DATA2-
3
3
TMDS_DATA1+
4 4 TMDS_DATA1+
4
5 TMDS_DATA1_SHIELD TMDS_DATA1_SHIELD
5 5
6 TMDS_DATA1- TMDS_DATA1-
6
6
TMDS_DATA0+
7 7 TMDS_DATA0+
7
8 TMDS_DATA0_SHIELD TMDS_DATA0_SHIELD
8 8
9 TMDS_DATA0- TMDS_DATA0- 5V_HDMI_1
9
9
TMDS_CLK+
10 10 TMDS_CLK+
10
11 TMDS_CLK_SHIELD TMDS_CLK_SHIELD
11 11
TMDS_CLK-
12 12 TMDS_CLK-
12
CEC CEC
13 13 CEC
13
14 RESERVED RESERVED
14 14
SCL
SCL
15 15 SCL
15
SDA SDA
16 16 SDA
16
17 DDC/CEC_GND DDC/CEC_GND
17 17
VDD[+5V]
18 18 VDD[+5V]
18
HOT_PLUG_DETECT
19 HOT_PLUG_DETECT BODY_SHIELD
19 19
20
20
20
BODY_SHIELD 20
BODY_SHIELD BODY_SHIELD
19
HOT_PLUG_DETECT
18
VDD[+5V]
17
DDC/CEC_GND
16
SDA
15
SCL
14
RESERVED
CEC_REMOTE
13
CEC
12
TMDS_CLK-
11
TMDS_CLK_SHIELD
10
TMDS_CLK+
9
TMDS_DATA0-
8
TMDS_DATA0_SHIELD
7
TMDS_DATA0+
6
TMDS_DATA1-
5
TMDS_DATA1_SHIELD
4
TMDS_DATA1+
3
TMDS_DATA2-
2
TMDS_DATA2_SHIELD
1
TMDS_DATA2+
JK3302
HDMI_JACK_YEON(SUB)
EAG63530104
05008WR-H19C
YEON HO ELECTRONICS CO., LTD
EDID external EEPROM
E
MMBT3904(NXP)
Q3302-*1 B
C
NXP_HDMI_EXT_EDID_TR
KEC_HDMI_EXT_EDID_TR
ROHM_HDMI_EXT_EDID
IC3301
BR24G02FJ-3GTE2
A0 VCC
1 8
A1 WP
2 7
A2 SCL
3 6
GND SDA
4 5
DDC pull-up
5V_HDMI_2
+5V_NORMAL
KEC_DDC_DIODE(SUB)
EAH61714301
D3305-*1
MMBD6100
A2
C
A1
R3324
OPT
1.8K
R3316 OPT
R3336
1K
R3319
33
4.7K
OPT
C
OPT
Q3305 R3318
R3315
1K
B
100K 2N3904S
HDMI_HPD_1
OPT
E
AR3311
33
DDC_SDA_1
DDC_SCL_1
VA3311
ESD_HDMI
VA3309
ESD_HDMI
AR3307
5.1
1/16W
CK-_HDMI1
CK+_HDMI1
D0-_HDMI1
D0+_HDMI1
AR3308
5.1
+3.5V_ST
1/16W
D1-_HDMI1
D1+_HDMI1
D2-_HDMI1
D2+_HDMI1
MHL
R3327
10K
B
MHL
C
MHL R3325
R3317
0 B
1K
Q3303
MHL
VA3310 C3303
2N3904S E
R3320
5.6V 0.1uF
KEC_MHL_TR
300K
MHL 16V
OPT MHL Spec
C
B Q3303-*1
MMBT3904(NXP)
NXP_MHL_TR
E
HDMI1 with MHL
+5V_NORMAL
5V_HDMI_3
EAH61714301
MMBD6100
D3309
SUZHOU_DDC_DIODE(MAIN)
E
2N3904S
Q3302 B
C
KEC_DDC_DIODE(SUB)
HDMI_EXT_EDID
R3323
AR3305
4.7K
1/16W
47K
R3321
22
HDMI_EXT_EDID
R3322
22
HDMI_EXT_EDID
5V_HDMI_1
+3.5V_ST
+5V_NORMAL
EAH61714301
MMBD6100
EAH61714301
D3305 EAH61714301
MMBD6100
MMBD6100
SUZHOU_DDC_DIODE(MAIN)
D3308
D3310
SUZHOU_DDC_DIODE(MAIN)
MHL_SUZHOU_DDC_DIODE(MAIN)
KEC_DDC_DIODE(SUB) MHL_KEC_DDC_DIODE(SUB)
DDC_SDA_2 EAH61714301 EAH61714301
D3308-*1 DDC_SDA_1 D3310-*1
DDC_SCL_2 MMBD6100 MMBD6100
A2 DDC_SCL_1 A2
C C
A1 A1
5V_DET_HDMI_1
C
EBK61012701
B Q3304-*1
MMBT3906(NXP)
MHL_NXP_TR(MAIN)
E
E
Q3304
MHL_KEC_TR(SUB)
0TR390609DC
2N3906S-RTK
C
MHL_DET_LM15
ATMEL_HDMI_EXT_EDID
EDID_WP
IC3301-*1
AT24C02C-SSHM-T
EAH61714301
D3309-*1
MMBD6100 A0 VCC
1 8
A2
C
A1 A1 WP
2 7
A2 SCL
3 6
GND SDA
4 5
DDC_SCL_3
DDC_SDA_3
BSD-15Y-LM14A-033_00-HD
LM14A
2015-01-08
HDMI 10
LGE Internal Use Only