LG 49UF77 Series Service Manual page 46

5V_HDMI_1
R3302
1K
C
Q3300
B
2N3904S
BODY_SHIELD
R3300
100K
E
20
KEC_HDMI_HPD_3_TR
C
19
HOT_PLUG_DETECT Q3300-*1
MMBT3904(NXP)
18
VDD[+5V] NXP_HDMI_HPD_3_TR
E
17
DDC/CEC_GND
16
SDA
15
SCL
14
RESERVED
CEC_REMOTE
13
CEC
12
TMDS_CLK-
11
TMDS_CLK_SHIELD
OPT
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-
OPT
2
TMDS_DATA2_SHIELD
1
TMDS_DATA2+
DAADR019A
JK3301
FOOSUNG_HDMI_JACK
5V_HDMI_2
C
Q3301
2N3904S
BODY_SHIELD
R3301
100K
20 E
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
12
TMDS_CLK-
11
D3301
TMDS_CLK_SHIELD
RCLAMP7534P
10
TMDS_CLK+ OPT
1
9
TMDS_DATA0-
5
8
2
TMDS_DATA0_SHIELD
7 4
TMDS_DATA0+
3
6
TMDS_DATA1-
5
TMDS_DATA1_SHIELD
4
TMDS_DATA1+
3 D3300
RCLAMP7534P
TMDS_DATA2-
2 OPT
TMDS_DATA2_SHIELD 1
1 5
TMDS_DATA2+
2
4
DAADR019A
3
JK3300
FOOSUNG_HDMI_JACK
MHL
5V_MHL
C3301
MHL
0.1uF
16V
+5V_NORMAL
5V_MHL
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_1
R3309
1.8K
R3337
R3305
33
4.7K
OPT
NON_HDMI_EXT_EDID
TMDS_DATA2+
1K
HDMI_HPD_1
TMDS_DATA2_SHIELD
R3303 TMDS_DATA2-
R3339
TMDS_DATA1+
4.7K
TMDS_DATA1_SHIELD
HDMI_EXT_EDID
TMDS_DATA1-
TMDS_DATA0+
TMDS_DATA0_SHIELD
B
33 R3329
TMDS_DATA0-
DDC_SDA_1
33 R3330
DDC_SCL_1 TMDS_CLK_SHIELD
VA3306
VA3304
ESD_HDMI
ESD_HDMI
DDC/CEC_GND
HOT_PLUG_DETECT
D3302
RCLAMP7534P
1
CK-_HDMI1
5 CK+_HDMI1
2
4 D0-_HDMI1
D0+_HDMI1
3
D3303
RCLAMP7534P
1 D1-_HDMI1
D1+_HDMI1
5
2
4 D2-_HDMI1
3
D2+_HDMI1
HDMI3
5V_DET_HDMI_2
R3308
1.8K
OPT
R3304
1K R3338
R3307
33
4.7K
R3306
1K
B
HDMI_HPD_2
C
33 R3331
B
DDC_SDA_2
33 R3332
DDC_SCL_2
E
VA3305 VA3307
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_3
MHL
L3301
IC3300 BLM31PG500SN1
TPS2553DBV 50-ohm
IN OUT D3304
1 6
ZD3300
MHL 30V MHL
5V C3302
MHL 1% OPT
GND ILIM
OPT R3313
2 5
10uF
100K
20K 10V
R3311 MHL
EN FAULT
3 4
/MHL_OCP
/MHL_OCP
CNPLUS_HDMI_JACK CNPLUS_HDMI_JACK CNPLUS_HDMI_JACK
JK3300-*1
JK3301-*1 JK3302-*1
5501-56219
5501-56219 5501-56219
1 TMDS_DATA2+ TMDS_DATA2+
1
1
TMDS_DATA2_SHIELD
2 2 TMDS_DATA2_SHIELD
2
3 TMDS_DATA2- TMDS_DATA2-
3 3
4 TMDS_DATA1+ TMDS_DATA1+
4
4
TMDS_DATA1_SHIELD
5 5 TMDS_DATA1_SHIELD
5
6 TMDS_DATA1- TMDS_DATA1-
6 6
7 TMDS_DATA0+ TMDS_DATA0+
7
7
TMDS_DATA0_SHIELD
8 8 TMDS_DATA0_SHIELD
8
9 TMDS_DATA0- TMDS_DATA0- 5V_HDMI_3
9 9
TMDS_CLK+
TMDS_CLK+
10 10 TMDS_CLK+
10
TMDS_CLK_SHIELD
11 11 TMDS_CLK_SHIELD
11
TMDS_CLK-
12 TMDS_CLK- TMDS_CLK-
12 12
CEC
CEC
13 13 CEC
13
RESERVED RESERVED
14 14 RESERVED
14
SCL
15 SCL SCL
15 15
SDA
SDA
16 16 SDA
16
DDC/CEC_GND
17 DDC/CEC_GND
17 17
VDD[+5V]
18 VDD[+5V] VDD[+5V]
18 18
HOT_PLUG_DETECT BODY_SHIELD
19 19 HOT_PLUG_DETECT
19
20
20 20
20
BODY_SHIELD
BODY_SHIELD BODY_SHIELD
19
HOT_PLUG_DETECT
18
VDD[+5V]
17
DDC/CEC_GND
16
SDA
15
SCL
14
RESERVED
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+
DAADR019A
JK3302
FOOSUNG_HDMI_JACK
EDID external EEPROM
E
MMBT3904(NXP)
B
Q3302-*1
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
R3324
OPT 1.8K
R3316
OPT
R3336
1K
R3319
33
4.7K
OPT
OPT C
R3318
Q3305
R3315
1K
B
100K 2N3904S HDMI_HPD_3
OPT
E
33 R3333
DDC_SDA_3
33 R3334
DDC_SCL_3
VA3311
ESD_HDMI
VA3309
CEC_REMOTE D3306
ESD_HDMI
RCLAMP7534P
OPT
1 CK-_HDMI3
5 CK+_HDMI3
2
4 D0-_HDMI3
D0+_HDMI3
3
D3307 +3.5V_ST
RCLAMP7534P
OPT
1
D1-_HDMI3
5 D1+_HDMI3
2 MHL
R3327
4 D2-_HDMI3 10K
3 D2+_HDMI3
MHL
C
MHL
R3325
R3317 0
B
1K
Q3303
MHL
VA3310 C3303
2N3904S E
R3320
0.1uF
5.6V
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_1
MMBD6100
D3309
E
2N3904S
Q3302 B
C
HDMI_EXT_EDID
R3323
AR3305
4.7K
1/16W
47K
R3321
22
HDMI_EXT_EDID
R3322
22
HDMI_EXT_EDID
5V_HDMI_3
+3.5V_ST
+5V_NORMAL
MMBD6100
MMBD6100
MMBD6100
D3310
D3305
D3308
DDC_SDA_2
DDC_SDA_3
DDC_SCL_2
DDC_SCL_3
5V_DET_HDMI_3
C
B Q3304-*1
MMBT3906(NXP)
NXP_MHL_TR
E
E
2N3906S-RTK
Q3304
KEC_MHL_TR
B
C
MHL_DET_LM15
ATMEL_HDMI_EXT_EDID
EDID_WP
IC3301-*1
AT24C02C-SSHM-T
A0 VCC
1 8
A1 WP
2 7
A2 SCL
3 6
GND SDA
4 5
DDC_SCL_1
DDC_SDA_1
LM15U
2014-11-04
HDMI 10
LGE Internal Use Only