Read LG 32LH30FD (CHASSIS:LT91A) Service Manual online
THE SYMBOL MARK OF THIS SCHEMETIC DIAGRAM INCORPORATES
SPECIAL FEATURES IMPORTANT FOR PROTECTION FROM X-RADIATION.
FILRE AND ELECTRICAL SHOCK HAZARDS, WHEN SERVICING IF IS
ESSENTIAL THAT ONLY MANUFATURES SPECFIED PARTS BE USED FOR
THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC.
SPECIAL FEATURES IMPORTANT FOR PROTECTION FROM X-RADIATION.
FILRE AND ELECTRICAL SHOCK HAZARDS, WHEN SERVICING IF IS
ESSENTIAL THAT ONLY MANUFATURES SPECFIED PARTS BE USED FOR
THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC.
HDMI3_SDA
0 0 2 : E 1 3 ; 0 0 7 : A L 1 6
JP707
0
R729
FHD
2K
R701
JP708
22
R708
HDMI3_SDA
HDMI2_CLK-
EAG42463001
JK703
LH30
14
13
5
D1_GND
20
JACK_GND
12
11
2
D2_GND
19
18
10
CK+
4
D1+
1
D2+
17
9
D0-
8
D0_GND
3
D2-
16
7
D0+
6
D1-
15
0
R717
CEC_REMOTE
007:X6;007:AG23;007:AL6
HDMI1_SCL
47K
R724
22
R720
GND
JP703
HDMI3_RX0-
0 0 2 : E 1 2
GND
HDMI1_RX1+
002:D8
HDMI2_RX1+
002:D10
ENKMC2838-T112
D704
D704
A1
C
A2
5V_HDMI_1
22
R733
FHD
0
R704
0
R722
AT24C02BN-10SU-1.8
IC701
3
A2
2
A1
4
GND
1
A0
5
SDA
6
SCL
7
WP
8
VCC
0
R702
HDMI2_RX2+
002:D11
5V_HDMI_3
HDMI3_CLK+
0 0 2 : E 1 2
HDMI2_SCL
HDMI1_SDA
0 0 2 : D 9 ; 0 0 7 : J 1 6
AT24C02BN-10SU-1.8
IC703
LH30
3
A2
2
A1
4
GND
1
A0
5
SDA
6
SCL
7
WP
8
VCC
EDID_WP
HDMI1_CLK+
002:D7
HDMI2_RX2-
002:D11
47K
R725
GND
47K
R711
JP706
JP704
0
R705
0 . 1 u F
C705
HDMI2_SDA
HDMI1_RX0-
002:D8
ENKMC2838-T112
D706
D706
FHD
A1
C
A2
HDMI3_SCL
CEC_REMOTE
0 0 7 : J 6 ; 0 0 7 : X 6 ; 0 0 7 : A G 2 3
5V_HDMI_2
47K
R737
FHD
22
R707
2K
R728
FHD
JP702
HDMI2_SCL
0
R730
FHD
HDMI3_RX0+
0 0 2 : E 1 2
HDMI3_SCL
0 0 2 : E 1 4 ; 0 0 7 : A L 1 6
HDMI3_RX1+
0 0 2 : E 1 3
0 . 1 u F
16V
16V
C701
0
R731
FHD
JP701
+5V_ST
0
R714
47K
R738
FHD
0 . 1 u F
C707
FHD
HDMI2_CLK+
002:D9
+5V_ST
GND
22
R734
FHD
HDMI2_SDA
HDMI1_RX2-
002:D8
HDMI3_RX2+
0 0 2 : E 1 3
2K
R713
HDMI2_RX0+
002:D10
5V_HDMI_1
HDMI1_SCL
0 0 2 : D 9 ; 0 0 7 : J 1 6
+5V_ST
5V_HDMI_2
HDMI1_RX0+
002:D7
HDMI1_RX2+
002:D8
AT24C02BN-10SU-1.8
IC702
3
A2
2
A1
4
GND
1
A0
5
SDA
6
SCL
7
WP
8
VCC
EDID_WP
0
R735
FHD
CEC_REMOTE
0
R715
J P 7 0 5
ENKMC2838-T112
D705
D705
A1
C
A2
HDMI1_CLK-
002:D7
5V_HDMI_3
HDMI3_RX2-
0 0 2 : E 1 3
HPD1
HDMI1_SDA
HDMI2_RX0-
002:D10
HDMI3_RX1-
0 0 2 : E 1 3
0
R706
47K
R710
22
R721
HDMI2_RX1-
002:D10
0 . 1 u F
C702
HDMI1_RX1-
002:D8
HDMI3_CLK-
0 0 2 : E 1 2
EDID_WP
CAT24WC08W-T
IC704
3
A2
2
A1
4
VSS
1
A0
5
SDA
6
SCL
7
WP
8
VCC
EEPROM_SDA
EEPROM_SCL
22
R716
22
R718
4.7K
R712
+3.3V
1K
R709
OPT
MMBD301LT1G
30V
D703
0
R740
68K
R726
+3.3V_ST
GND
9.1K
R727
0 . 1 u F
16V
16V
C708
SSM6N15FU
Q701
3
DRAIN2
2
GATE1
1
SOURCE1
4
SOURCE2
5
GATE2
6
DRAIN1
0
OPT
R739
CEC_REMOTE
0 0 7 : J 6 ; 0 0 7 : X 6 ; 0 0 7 : A L 6
HDMI_CEC
0 0 2 : E 1 4
J P 7 0 9
4.7K
R747
0 . 1 u F
C704
2SC3052
Q702
E
B
C
1K
R741
10K
R703
+5V_ST
47K
OPT
R742
HPD2
+5V_ST
Q703
E
B
C
10K
R719
0 . 1 u F
16V
16V
C703
1K
OPT
R723
1K
R743
47K
OPT
R744
HPD3
+5V_ST
Q704
FHD
E
B
C
10K
R732
0 . 1 u F
16V
16V
C706
FHD
1K
OPT
R736
1K
R745
FHD
47K
OPT
R746
QJ41193-FEE2-7F
EAG39789401
JK701
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
QJ41193-FEE2-7F
EAG39789401
JK702
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
7 1 1
HDMI
UI_HW_PORT2
UI_HW_PORT1
UI_HW_PORT3/SIDE
LH30 SIDE HDMI
HDCP EEPROM
Addr:10101--
P l a c e t h i s n e a r b y S 6
Only LH30_FHD
F H D O p t i o n h a s b e e n a p p l i e d t o t h i s b l o c k
EAX60838501_MERCURY
Taiwan_LH20/LH30
EAX60838501
2 0 0 9 . 0 2 . 1 0
HDMI
LGE Use Only
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