LG 79UB980T-TA Service Manual page 34

UB98/UC9 only
TI 2:1 Mux
IC3302
TS3DV642A0RUAR
D0+A
38
D0-A
HDMI0_TX2P 37
D1+A
HDMI0_TX2N 36
HDMI0_TX1P D1-A
35
HDMI0_TX1N D2+A
34
HDMI0_TX0P
D2-A
33
HDMI0_TX0N
D3+A
HDMI0_TXCP 32
HDMI0_TXCN D3-A
31
NC_2 30
D0+B
HDMI_0_RX2+ 29
HDMI_0_RX2- D0-B
28
HDMI_0_RX1+ B1+B
27
HDMI_0_RX1-
B1-B
26
HDMI_0_RX0+
D2+B
25
HDMI_0_RX0-
D2-B
HDMI_0_CLK+ 24
HDMI_0_CLK- D3+B
23
D3-B
22
HDMI Splitter
IC3300 : HDMI412AD(3.0Gbps) -> select HDMI_Splitter_AD option.
HDX412BD(3.4Gbps) -> select HDMI_Splitter_BD option.
MS 1 42 VDD_9
VDD_1 2 THERMAL D0P1
41
57
GND_1 D0N1
3 40
D2P GND_7
4 39
D2N CLKP1
5 38
VDD_2 CLKN1
6 IC3300-*1 37
D1P VDD_8
7 36
PI3HDX412BD
D1N 8 35 D2P2
HDMI_Splitter_BD
D0P D2N2
9 34
D0N GND_6
10 33
VDD_3 D1P2
11 32
CLKP D1N2
12 31
CLKN VDD_7
13 30
GND_2 14 29 D0P2
MS
HDMI_Splitter_CLK-
HDMI_Splitter_CLK+
HDMI_Splitter_RX0-
HDMI_Splitter_RX0+
HDMI_Splitter_RX1-
HDMI_Splitter_RX1+
HDMI_Splitter_RX2-
HDMI_Splitter_RX2+
H13 DDR VDD Decap (For EMI)
VDDC15_M0
OPT OPT OPT OPT OPT OPT OPT
VDDC15_M1
OPT
OPT OPT OPT OPT OPT OPT
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 rights reserved.
Only for training and service purposes
HDMI0_DDC_DA
+3.3V_NORMAL +3.3V_MUX
HDMI0_DDC_CK
L13413
BLM18PG121SN1D
+3.3V_MUX
C3314
IC3501
22uF
10V
TS3DV642A0RUAR
+3.3V_MUX
VCC
1
HDMI1_TX2P
EN
2 C3300
C3301 HDMI1_TX2N
SCL 0.1uF 10uF
3 HDMI1_TX1P
16V 10V
RXBSCL_U14
SDA HDMI1_TX1N
4
RXBSDA_U14
D0+
5 HDMI1_TX0P
HDMI_Splitter_RX2+
D0- HDMI1_TX0N
6 HDMI_Splitter_RX2-
HDMI1_TXCP
D1+
7 HDMI_Splitter_RX1+
D1- HDMI_Splitter_RX1- HDMI1_TXCN
8
HDMI_Splitter_RX0+
9 NC_1
HDMI_Splitter_RX0-
D2+
10
HDMI_Splitter_CLK+
D2- HDMI_1_RX2+
11 HDMI_Splitter_CLK-
HDMI_1_RX2-
D3+
12 +3.3V_NORMAL
HDMI_1_RX1+
D3-
13 HDMI_1_RX1-
HPD
14 HDMI_1_RX0+
CEC HDMI_1_RX0-
15
SEL1 HDMI_1_CLK+
16
HDMI_1_CLK-
SEL2
17
HDMI_MUX_SEL
HDMI_CLK-_U14_1
HDMI_CLK+_U14_1
HDMI_RX0-_U14_1
HDMI_RX0+_U14_1
HDMI_RX1-_U14_1
HDMI_RX1+_U14_1
HDMI_RX2-_U14_1
HDMI_RX2+_U14_1
+3.3V_Pericom
+3.3V_Pericom
C13455
0.1uF
HDMI_Splitter_BD
R3342
MS GND_9
1 42 0
VDD_1 D2+A
2 THERMAL 41 HDMI_Splitter_AD
57
GND_1 D2-A
3 40
D0+ GND_8
4 39
D0- D3+A
5 38
VDD_2 D3-A
6 37
IC3300
D1+ VDD_7
7 PI3HDMI412ADZBE 36
D1- D0+B
8 35 HDMI_CLK-
D2+ HDMI_Splitter_AD D0-B
9 34 HDMI_CLK+
D2- 10 33 GND_7
HDMI_RX0-
VDD_3 D1+B
11 32
D3+ D1-B HDMI_RX0+
12 31
R3344
D3- GND_6 0
13 30 HDMI_RX1-
GND_2 D2+B HDMI_Splitter_AD
14 29 HDMI_RX1+
+3.3V_Pericom
HDMI_RX2-
R3345
0
HDMI_RX2+
C13456
HDMI_Splitter_BD
0.1uF
HDMI_Splitter_BD
S3
S2
+1.5V_U_DDR
VDDC15_D14 D14 DDR VDD Decap (For EMI)
4Layer 4Layer
OPT OPT OPT OPT OPT OPT OPT OPT OPT OPT OPT
OPT
HDMI1_DDC_DA
HDMI1_DDC_CK
+3.3V_MUX
+3.3V_MUX
D0+A 38 VCC
1
D0-A 37 EN
2 C3502 C3503
D1+A SCL 10uF
36 3 0.1uF
RXASCL_U14 16V 10V
D1-A SDA
35 4
RXASDA_U14
D2+A D0+
34 5 HDMI_RX2+_U14_2
D2-A D0- HDMI_RX2-_U14_2
33 6
HDMI_RX1+_U14_2
D3+A D1+
32 7
D3-A D1- HDMI_RX1-_U14_2
31 8
HDMI_RX0+_U14_2
NC_2 NC_1
30 9
HDMI_RX0-_U14_2
D0+B D2+
29 10 HDMI_CLK+_U14_2
D0-B D2- HDMI_CLK-_U14_2
28 11
B1+B D3+
27 12 +3.3V_NORMAL
B1-B D3-
26 13
D2+B HPD
25 14
D2-B CEC
24 15
D3+B SEL1
23 16
D3-B SEL2
22 17
HDMI_MUX_SEL
SEL2(GPIO30) Function
Low CH A (HEVC decoder) enable
High CH B (HDMI S/W) enable
+3.3V_NORMAL
+3.3V_Pericom
L3300
BLM18PG121SN1D
C3302 C3309 C3310 C3311
C3312 C3303 C3304 C3305 C3306
22uF 10uF 0.1uF 0.1uF 0.1uF 0.1uF 0.1uF 0.1uF 0.1uF
10V 16V 16V 16V 16V 16V 16V 16V
10V
+3.3V_NORMAL
+3.3V_Pericom
MS
SEL_IN : S1
SEL_IN
OE
Splitter_TEST_IN
A3/S7
A2/S6
A1/S5
A0/S4
HDMI_Splitter_AD
S3
0
R3323
HDMI_Splitter_AD
S2
R3324 0
HDMI_Splitter_BD
I2C_SCL5
R3300 0
HDMI_Splitter_BD
I2C_SDA5
0
R3322
MS : MODE SEL, 1:I2C control, 0:Pin control
SEL_IN : OUTPUT port SEL
OE : OUPUT Enable
TEST_IN : 1:splitter mode, 0:demux mode
URSA9 DDR VDD Decap (For EMI)
4Layer
OPT OPT OPT OPT OPT OPT
PS8407
+3.3V_NORMAL
C3506
C3505 C3507
0.1uF 0.1uF 0.1uF
16V
16V 16V
+3.3V_NORMAL
+5V_NORMAL
IN_D2P 1 30 OUT_D2P
HDMI_RX2+_U14_1 RP_HDMI_D2+ C3307 L3500
IN_D2N 2 29 OUT_D2N 120-ohm
HDMI_RX2-_U14_1 THERMAL RP_HDMI_D2- 10uF
R3500 1K HPD_SRC 3 28 HPD_SNK R3518 1K 10V
41
OPT IN_D1P OUT_D1P
HDMI_RX1+_U14_1 4 27 RP_HDMI_D1+
IN_D1N OUT_D1N
5 IC3500 26
HDMI_RX1-_U14_1 RP_HDMI_D1-
IN_D0P OUT_D0P
6 PS8401A 25
HDMI_RX0+_U14_1 RP_HDMI_D0+
IN_D0N OUT_D0N
7 24
HDMI_RX0-_U14_1 RP_HDMI_D0-
I2C_CTL_EN 8 23 CFG/I2C_ADDR1
I2C_CTL_EN CFG/I2C_ADDR1
IN_CKP 9 22 OUT_CKP
HDMI_CLK+_U14_1 RP_HDMI_CK+
IN_CKN 10 21 OUT_CKN
HDMI_CLK-_U14_1
RP_HDMI_CK- I2C_CTL_EN
DDCBUF
DCIN_EN
EQ/I2CADDR_0
R3511
4.99K
1%
ISET
CFG/I2C_ADDR1
C3500 C3501
0.1uF 0.1uF
16V 16V C3511
0.1uF
R3503 16V
22
I2C_SCL2 C3509
OPT
0.1uF
I2C_SDA2 16V
R3504
22
OPT
+3.3V_NORMAL
R2323
10K R1
R2335
39K
1/16W
5%
C2326
1000pF
50V R2
RF FB
1 23
THERMAL
PGOOD GND
2 29 22
R2311 1K
EN 3 21 MODE
POWER_ON/OFF2_1
16V
IC2301
0.1uF VBST VREG
4 20
TPS53513RVER
C2332 NC_1 VDD
5 19
R2308
C2325
2K
SW_1 NC_2
6 18
1/16W C2363
0.1uF
+3.3V_NORMAL SW_2 7 17 VIN_3
16V 5% 1uF
10V
SW_3 VIN_2
L2305 8 8A 16
1uH
SW_4 VIN_1
9 15
C3346 C2304 C2319 C2323
C2345
22uF 22uF 22uF
22uF 2200pF
50V
C2328
470pF
50V
Vout=0.6*(1+R1/R2)
SMD gasket for EMI
(only for BR/TW)
EMI_BR/TW EMI_BR/TW
GASKET_8.0X6.0X13.5H GASKET_8.0X6.0X13.5H
M3319 M3321
MDS62110221 MDS62110221
EMI_BR/TW
GASKET_8.0X6.0X13.5H
M3320
MDS62110221
SMD gasket for EMI
EMI
GASKET_8.0X6.0X8.5H
M3309
MDS62110209
EMI
GASKET_8.0X6.0X8.5H
M3310
MDS62110209
IC3502
+1.2V
AZ1117EH-1.2TRG1
IN OUT
3 2
R3521
1
1
ADJ/GND
C3512 C3513
10uF 10uF
10V 10V
+1.2V
+3.3V_PS8401 +1.2V_PS8401
L3501
C3504 120-ohm C3508
0.1uF 0.1uF
+3.3V_PS8401
R3501
R3506 R3508 R3512 R3514 R3516 R3519
4.7K 4.7K 4.7K 4.7K 4.7K 4.7K
4.7K
OPT OPT
OPT OPT OPT OPT
PRE
R3502 R3507 R3510 R3513 R3515 R3517
R3520
4.7K
4.7K 4.7K 4.7K 4.7K 4.7K 4.7K
OPT
+12V
L2309
C2367
C2364
10uF 10uF
16V 16V
SMD gasket for ESD
ESD ESD ESD ESD ESD
GASKET_8.0X6.0X8.5H GASKET_8.0X6.0X8.5H GASKET_8.0X6.0X8.5H GASKET_8.0X6.0X8.5H GASKET_8.0X6.0X8.5H
M3300 M3304 M3306 M3308 M3315
MDS62110209 MDS62110209 MDS62110209 MDS62110209 MDS62110209
ESD ESD ESD ESD ESD
GASKET_8.0X6.0X8.5H GASKET_8.0X6.0X8.5H
GASKET_8.0X6.0X8.5H GASKET_8.0X6.0X8.5H GASKET_8.0X6.0X8.5H
M3301 M3305 M3307 M3313 M3318
MDS62110209 MDS62110209
MDS62110209 MDS62110209 MDS62110209
SMD gasket for ESD
SMD gasket for EMS
(optional)
(optional)
EMS_OPTIONAL ESD_OPTIONAL ESD_OPTIONAL ESD_OPTIONAL
GASKET_8.0X6.0X8.5H GASKET_8.0X6.0X8.5H GASKET_8.0X6.0X8.5H GASKET_8.0X6.0X8.5H
M3302 M3311 M3314 M3317
MDS62110209 MDS62110209 MDS62110209 MDS62110209
EMS_OPTIONAL ESD_OPTIONAL ESD_OPTIONAL
GASKET_8.0X6.0X8.5H GASKET_8.0X6.0X8.5H GASKET_8.0X6.0X8.5H
M3303
M3312 M3316
MDS62110209 MDS62110209 MDS62110209
BSD-14Y-UD-033_01-HD
2013.12.17
HDMI
LGE Internal Use Only