Read LG 55LV4400 LC550EUH-RDA2-8R1 Service Manual online
5
5
4
4
3
3
2
2
1
1
D
D
C
C
B
B
A
A
AVDD12_CVCC
AVDD33_H
AVSS33_H
AV33
AV12
VGAROMWP
GPIO_13
TN_HDMI
TP_HDMI
+3V3SB
+5V
AVDD33_H
AVDD12_CVCC
TP_HDMI
TN_HDMI
TN_HDMI
OPWR1_5V
OPWR2_5V
OPWR2_5V
OSCL2
OSDA2
OSDA2
CEC
OPWR1_5V
OSDA2
SDA_SINK
OSCL2
SCL_SINK
OPWR2_5V
AVSS33_H_SW
HDMIDDCSDA_2
HDMIDDCSCL_2
HDMI_PLUGPWR2
VGAROMWP
RX1_C
RX1_CB
RX1_1B
RX1_1
RX1_2B
RX1_2
RX1_0B
RX1_0
CECA
HDMIDDCSDA_1
HDMIDDCSCL_1
HDMICAB1
VGAROMWP
HDMIDDCSDA_2
HDMIDDCSCL_2
RX2_C
RX2_CB
RX2_1B
RX2_1
RX2_2B
RX2_2
RX2_0B
RX2_0
HDMICAB2
HDMIDDCSDA_1
HDMIDDCSCL_1
HDMI_PLUGPWR1
RX_2B
RX_1B
RX_0
RX_0B
RX_0B
RX_1
RX_C
RX_CB
RX_CB
RX_2
HDMIDDCSDA_3
HDMIDDCSCL_3
HDMI_PLUGPWR3
HDMIDDCSDA_3
HDMIDDCSCL_3
RX3_1B
RX3_1
RX3_2B
RX3_2
RX3_0B
RX3_0
CECA
HDMICAB3
RX_C
RX_CB
RX_1B
RX_1
RX_2B
RX_2
RX_1
RX_2B
RX_2
RX_0B
RX_0
RX_0
GPIO_13
AVDD33_H_SW
OSDA1
OSDA1
OSCL1
OSCL1
VGAROMWP
HPD1
HPD2
HPD3
OSCL1
CECA
CECA
HDMISW_OE
HDMISW_OE
OPWR3_5V
RX3_CB
RX3_C
HDMICtrl_SDA
HDMICtrl_SCL
HDMICtrl_SCL
CEC
OPWR3_5V
OPWR1_5V
OPWR2_5V
OPWR3_5V
SDA_SINK
SCL_SINK
RX1_C
RX1_1B
RX1_1
RX1_2B
RX1_2
RX1_1
RX1_2B
RX1_2
RX1_0B
RX1_0
RX1_0
RX1_CB
RX2_C
RX2_1
RX2_1B
RX2_0
RX2_0B
RX2_2
RX2_2B
RX2_CB
HDMIDDCSDA_1
HDMIDDCSCL_1
HDMIDDCSDA_2
HDMIDDCSCL_2
HDMIDDCSDA_3
HDMIDDCSCL_3
RX3_0B
RX3_C
RX3_1B
RX3_1
RX3_2B
RX3_2
RX3_1
RX3_2B
RX3_2
RX3_0
RX3_CB
HPD3
HPD2
HPD1
GND
RX3_CB
RX3_C
RX3_CB
RX3_C
RX3_0
RX3_0B
RX3_0B
RX3_0B
RX3_0
GND
RX3_2
RX3_2
RX3_2B
RX3_2B
RX3_1
RX3_1
RX3_1B
RX3_1B
RX3_1B
GND
RX1_CB
RX1_C
RX1_CB
RX1_C
RX1_0
RX1_0B
RX1_0B
RX1_0B
RX1_0
GND
RX1_2
RX1_2
RX1_2B
RX1_2B
RX1_1
RX1_1
RX1_1B
RX1_1B
RX1_1B
GND
RX2_CB
RX2_C
RX2_CB
RX2_C
RX2_0
RX2_0B
RX2_0B
RX2_0B
RX2_0
GND
RX2_2
RX2_2
RX2_2B
RX2_2B
RX2_1
RX2_1
RX2_1B
RX2_1B
RX2_1B
AV12
AV33
+5V_HDMI
AV33
+3V3SB
+5V_HDMI
AVDD33_H_SW
+5V_HDMI
AVDD33_H_SW
AVDD33_H_SW
AVDD33_H_SW
+5V_HDMI
+5V_HDMI
+5V_HDMI
+5V_HDMI
+5V_HDMI
+5V_HDMI
+5V_HDMI
+5V
+5V_HDMI
+5V_HDMI
+5V_HDMI
+5V_HDMI
+5V_HDMI
+5V_HDMI
AV33
(2,3,6,7,10,12)
AV12
(2,3,5,10,12,13)
GPIO_13
(4)
VGAROMWP
(13)
+3V3SB
(1,2,3,4,10,11)
+5V
(1,2,6,10,11)
OSCL1
(4,10)
OSDA1
(4,10)
MODEL
Sheet
REV:
of
CIRCUITY
PCB REV:
PCB FILE :
PCB P/ N:
ECN NO:
ECN NO:
TECHNOLOGY
APPROVED BY:
CHECKED BY:
SCH FILE :
DATE:
DESIGN BY:
HDMI SWITCH
(3655-0382-0150)
8
16
PCN0000614
017122724152.BRD
2.0
2.0
365503820150_PCN0000614.DSN
0171-2272-4152
Wednesday, August 31, 2011
55LV4400
MODEL
Sheet
REV:
of
CIRCUITY
PCB REV:
PCB FILE :
PCB P/ N:
ECN NO:
ECN NO:
TECHNOLOGY
APPROVED BY:
CHECKED BY:
SCH FILE :
DATE:
DESIGN BY:
HDMI SWITCH
(3655-0382-0150)
8
16
PCN0000614
017122724152.BRD
2.0
2.0
365503820150_PCN0000614.DSN
0171-2272-4152
Wednesday, August 31, 2011
55LV4400
MODEL
Sheet
REV:
of
CIRCUITY
PCB REV:
PCB FILE :
PCB P/ N:
ECN NO:
ECN NO:
TECHNOLOGY
APPROVED BY:
CHECKED BY:
SCH FILE :
DATE:
DESIGN BY:
HDMI SWITCH
(3655-0382-0150)
8
16
PCN0000614
017122724152.BRD
2.0
2.0
365503820150_PCN0000614.DSN
0171-2272-4152
Wednesday, August 31, 2011
55LV4400
HDMI TEST PORT
NEARLY IC
NEARLY IC
HDMI PWR BYPASS CAP.
PORT 2
WHEN STANDBY,
HDMI DDC/CI
HDMI SWITCH
NEAR HDMI CONNECTOR
HDMI port 3
HDMI port 2
HDMI port 1
M= METAL 1%
NOTE : NC MEANS "NOT CONNECTED ON PCB BOARD"
ALL RESISTORS 25 VOLT IN .1uF UNLESS NOTED.
ALL RESISTORS VALUES IN OHMS UNLESS NOTED.
ALL CAPACITOR VALUES IN uF UNLESS NOTED.
ALL RESISTORS 1/10 WATT,5% UNLESS NOTED.
ALL CAPACITORS 50 VOLT & 105"C UNLESS NOTED.
12/10: Del R428,R427,C164,Q34
Arthur 090506: CHANGE TO +5V_HDMI
6/25
ADD R729
ADD R729
HDMI 1
HDMI 1
HDMI 2
HDMI 3
HDMI 2
HDMI 3
HDMI 1
HDMI 2
HDMI 3
HDMI 2
HDMI 3
HDMI 1
R246
4K7
4K7
R246
4K7
4K7
R240
100
R240
100
D89
NC/VPORT 0603 100K V05
D89
NC/VPORT 0603 100K V05
C286
0.1uF/16V
0.1uF/16V
C286
0.1uF/16V
0.1uF/16V
D32 NC/VPORT/100K
D32 NC/VPORT/100K
1
2
D49
BAT54C-7-F
D49
BAT54C-7-F
1
2
3
D79
NC/VPORT 0603 100K V05
D79
NC/VPORT 0603 100K V05
R423
2K7
R423
2K7
C541
0.1uF/16V
0.1uF/16V
C541
0.1uF/16V
0.1uF/16V
R224
0
R224
0
D81
NC/VPORT 0603 100K V05
D81
NC/VPORT 0603 100K V05
R725
100
R725
100
C282
1.0uF/25V
1.0uF/25V
C282
1.0uF/25V
1.0uF/25V
C276
0.1uF/16V
0.1uF/16V
C276
0.1uF/16V
0.1uF/16V
R239
10K
10K
R239
10K
10K
U19
AT24C02BN-SH-T
U19
AT24C02BN-SH-T
GND
4
VCC
8
A0
1
A1
2
A2
3
W P
7
SCL
6
SDA
5
R202
NC/33
NC/33
R202
NC/33
NC/33
D41 NC/RB520S-30
D41 NC/RB520S-30
1
2
TP18
TEST POINT SMD0.6.Normal
TP18
TEST POINT SMD0.6.Normal
R248
NC/4.7K
R248
NC/4.7K
D91
NC/VPORT 0603 100K V05
D91
NC/VPORT 0603 100K V05
R708
1K
1K
R708
1K
1K
R226
NC/4.7K
R226
NC/4.7K
FB39
80ohm
80ohm
FB39
80ohm
80ohm
C540
0.1uF/16V
0.1uF/16V
C540
0.1uF/16V
0.1uF/16V
C542
0.1uF/16V
0.1uF/16V
C542
0.1uF/16V
0.1uF/16V
R234
47K
47K
R234
47K
47K
C288
0.1uF/16V
0.1uF/16V
C288
0.1uF/16V
0.1uF/16V
R220
NC/33
NC/33
R220
NC/33
NC/33
FB40
80ohm
80ohm
FB40
80ohm
80ohm
C277
1.0uF/25V
1.0uF/25V
C277
1.0uF/25V
1.0uF/25V
D87
NC/VPORT 0603 100K V05
D87
NC/VPORT 0603 100K V05
R203
1K
1K
R203
1K
1K
U29
NS/ESD AZ1045-04QU
MSOP10_05
U29
NS/ESD AZ1045-04QU
MSOP10_05
LINE1
1
LINE2
2
VDD
3
LINE3
4
LINE4
5
NC
6
NC
7
GND
8
NC
9
NC
10
Q19
KN3904S
KN3904S
Q19
KN3904S
KN3904S
2
1
3
P8
HDMI_19MOLEX
HDMI TYPE-A
P8
HDMI_19MOLEX
HDMI TYPE-A
1
2
3
4
5
6
7
8
9
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
11
12
13
14
15
16
17
18
19
P3
P2
P1
P4
D88
NC/VPORT 0603 100K V05
D88
NC/VPORT 0603 100K V05
C285
1.0uF/25V
1.0uF/25V
C285
1.0uF/25V
1.0uF/25V
FB38
80ohm
80ohm
FB38
80ohm
80ohm
R244
NC/33
NC/33
R244
NC/33
NC/33
R245
1K
1K
R245
1K
1K
C289
0.1uF/16V
0.1uF/16V
C289
0.1uF/16V
0.1uF/16V
R219
100
R219
100
R232
0
0
R232
0
0
U27
NS/ESD AZ1045-04QU
MSOP10_05
U27
NS/ESD AZ1045-04QU
MSOP10_05
LINE1
1
LINE2
2
VDD
3
LINE3
4
LINE4
5
NC
6
NC
7
GND
8
NC
9
NC
10
U26
PI3HDMI245-AZLE
U26
PI3HDMI245-AZLE
D2+2
22
CLK-1
24
CLK+1
25
D1-1
29
D1+1
30
VDD_23
23
D2-1
32
SCL_Sink
44
SDA_Sink
45
D2+
46
D1-3
9
D1+3
10
EPAD
73
D2-3
11
D2+3
12
CLK-2
14
CLK+2
15
D0-2
17
D0+2
18
D1-2
19
D1+2
20
D2-2
21
VDD_31
31
D0-1
27
D0+1
28
D2+1
33
SCL1
34
SDA1
35
SCL2
36
SDA2
39
SCL3
40
SDA3
41
D2-
47
VDD_13
13
D1+
48
D1-
49
D0+
51
D0-
52
VDD_4
4
CLK+
53
CLK-
54
A0
56
HPD_Sink
57
HPD1
58
HPD2
59
HPD3
60
HPD4
61
SCL_Ctrl
63
SDA_Ctrl
64
CLK-3
5
CLK+3
6
SVDD
65
D0-3
7
D0+3
8
CLK-4
66
CLK+4
67
D0-4
69
D0+4
70
D1-4
71
D1+4
72
D2-4
2
D2+4
3
SCL4
42
SDA4
43
GND_1
1
OE
16
GND_26
26
CEC_I/O
38
GND_37
37
GND_55
55
GND_62
62
VDD_50
50
VDD_68
68
P11
HDMI_19MOLEX
HDMI TYPE-A
P11
HDMI_19MOLEX
HDMI TYPE-A
1
2
3
4
5
6
7
8
9
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
11
12
13
14
15
16
17
18
19
P3
P2
P1
P4
D78
NC/VPORT 0603 100K V05
D78
NC/VPORT 0603 100K V05
R223
0
R223
0
R728
0
R728
0
C281
4.7uF/10V
4.7uF/10V
C281
4.7uF/10V
4.7uF/10V
D80
NC/VPORT 0603 100K V05
D80
NC/VPORT 0603 100K V05
R214
4K7
4K7
R214
4K7
4K7
C273
0.1uF/16V
0.1uF/16V
C273
0.1uF/16V
0.1uF/16V
TP17
TP17
R228
NC/4.7K
R228
NC/4.7K
P10
HDMI_19MOLEX
HDMI TYPE-A
P10
HDMI_19MOLEX
HDMI TYPE-A
1
2
3
4
5
6
7
8
9
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
11
12
13
14
15
16
17
18
19
P3
P2
P1
P4
Q25
KN3904S
KN3904S
Q25
KN3904S
KN3904S
2
1
3
C279
0.1uF/16V
0.1uF/16V
C279
0.1uF/16V
0.1uF/16V
R247
100K
100K
R247
100K
100K
Q21
NC/2N3904
Q21
NC/2N3904
2
1
3
C284
4.7uF/10V
4.7uF/10V
C284
4.7uF/10V
4.7uF/10V
R213
NC/4.7K
R213
NC/4.7K
R238
100
100
R238
100
100
Q22
KN3904S
KN3904S
Q22
KN3904S
KN3904S
2
1
3
R710
1K
1K
R710
1K
1K
R207
100K
100K
R207
100K
100K
R429
NC/0
NC/0
R429
NC/0
NC/0
U22
NS/ESD AZ1045-04QU
MSOP10_05
U22
NS/ESD AZ1045-04QU
MSOP10_05
LINE1
1
LINE2
2
VDD
3
LINE3
4
LINE4
5
NC
6
NC
7
GND
8
NC
9
NC
10
R712
1K
1K
R712
1K
1K
R236
NC/1K
NC/1K
R236
NC/1K
NC/1K
R711
0
0
R711
0
0
D90
NC/VPORT 0603 100K V05
D90
NC/VPORT 0603 100K V05
R230
4K7
R230
4K7
MT5392_GDDR3_Final_2008_0505
U11H
MT5392_GDDR3_Final_2008_0505
U11H
AVDD12_HDMI
AB12
AVDD33_HDMI
AH9
AVSS33_HDMI
AH8
OPCTRL0
AJ12
OPWR0_5V
AH11
OPWR1_5V
AG10
OPWR2_5V
AH10
OSCL2
AK10
OSDA2
AJ10
RX0_0
AK7
RX0_0B
AJ7
RX0_1
AK8
RX0_1B
AJ8
RX0_2
AK9
RX0_2B
AJ9
RX0_C
AK6
RX0_CB
AJ6
TN_HDMI
AF9
TP_HDMI
AG9
R229
1K
R229
1K
C275
1.0uF/25V
1.0uF/25V
C275
1.0uF/25V
1.0uF/25V
U28
AT24C02BN-SH-T
U28
AT24C02BN-SH-T
GND
4
VCC
8
A0
1
A1
2
A2
3
W P
7
SCL
6
SDA
5
U25
NS/ESD AZ1045-04QU
MSOP10_05
U25
NS/ESD AZ1045-04QU
MSOP10_05
LINE1
1
LINE2
2
VDD
3
LINE3
4
LINE4
5
NC
6
NC
7
GND
8
NC
9
NC
10
R233
4K7
4K7
R233
4K7
4K7
Q23
NC/2N3904
Q23
NC/2N3904
2
1
3
U24
AT24C02BN-SH-T
U24
AT24C02BN-SH-T
GND
4
VCC
8
A0
1
A1
2
A2
3
W P
7
SCL
6
SDA
5
D86
NC/VPORT 0603 100K V05
D86
NC/VPORT 0603 100K V05
R726
100
R726
100
R211
4K7
R211
4K7
Q26
NC/2N3904
Q26
NC/2N3904
2
1
3
D44
BAT54C-7-F
D44
BAT54C-7-F
1
2
3
R235
47K
47K
R235
47K
47K
D76
NC/VPORT 0603 100K V05
D76
NC/VPORT 0603 100K V05
FB41
80ohm
80ohm
FB41
80ohm
80ohm
R227
4K7
R227
4K7
R192
4K7
4K7
R192
4K7
4K7
C283
0.1uF/16V
0.1uF/16V
C283
0.1uF/16V
0.1uF/16V
D43
NC/VPORT 0603 100K V05
D43
NC/VPORT 0603 100K V05
R250
NC/4.7K
R250
NC/4.7K
U23
NS/ESD AZ1045-04QU
MSOP10_05
U23
NS/ESD AZ1045-04QU
MSOP10_05
LINE1
1
LINE2
2
VDD
3
LINE3
4
LINE4
5
NC
6
NC
7
GND
8
NC
9
NC
10
D77
NC/VPORT 0603 100K V05
D77
NC/VPORT 0603 100K V05
R221
1K
1K
R221
1K
1K
R216
47K
47K
R216
47K
47K
R225
100K
100K
R225
100K
100K
C278
1.0uF/25V
1.0uF/25V
C278
1.0uF/25V
1.0uF/25V
TP19
TEST POINT SMD0.6.Normal
TP19
TEST POINT SMD0.6.Normal
R215
47K
47K
R215
47K
47K
U21
NS/ESD AZ1045-04QU
MSOP10_05
U21
NS/ESD AZ1045-04QU
MSOP10_05
LINE1
1
LINE2
2
VDD
3
LINE3
4
LINE4
5
NC
6
NC
7
GND
8
NC
9
NC
10
R241
100
R241
100
C287
0.1uF/16V
0.1uF/16V
C287
0.1uF/16V
0.1uF/16V
TP21
TP21
R196
100
R196
100
R222
4K7
4K7
R222
4K7
4K7
R707
0
0
R707
0
0
R205
4K7
4K7
R205
4K7
4K7
R243
10K
10K
R243
10K
10K
C274
1.0uF/25V
1.0uF/25V
C274
1.0uF/25V
1.0uF/25V
R729
100
R729
100
R249
4K7
R249
4K7
R218
100
R218
100
R426
2K7
R426
2K7
R193
4K7
4K7
R193
4K7
4K7
R198
100
R198
100
C290
0.1uF/16V
0.1uF/16V
C290
0.1uF/16V
0.1uF/16V
R727
0
R727
0
TP20
TP20
R191
4K7
4K7
R191
4K7
4K7
R217
NC/10K_F
NC/10K_F
R217
NC/10K_F
NC/10K_F
D52 NC/VPORT/100K
D52 NC/VPORT/100K
1
2
R709
0
R709
0
R210
NC/4.7K
R210
NC/4.7K
R231
NC/0
R231
NC/0
C270
0.1uF/16V
0.1uF/16V
C270
0.1uF/16V
0.1uF/16V
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