Read LG 32LG3DCH (CHASSIS:LA76B) 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.
0.1uF
50V
C800
OPT
47
K
R822
OPT
SDA_HDMI
100
R810
+5V_GENERAL
47
K
R820
0.1uF
50V
C803
OPT
G_TX1+
001:D23
0.1uF
50V
C805
SCL_HDMI
0
R836
HPDCTRL
001:D22
POWER_HDMI
001:Q7;008:L9
4.7K
R809
TXCLK-
001:D24
USB DOWN STREAM
UB01123-4HHS-4F
P800
1
2
3
4
5
DDC_CTL
001:K10;006:Z10
0
R835
USB_DP
001:H26
R_TX2+
001:D22
B_TX0-
001:D23
POWER_HDMI
001:Q7;008:F18
4.7K
R808
DDCDA_SCL
001:D21
SDA_HDMI
008:F16
+5V_GENERAL
0.1uF
50V
C802
OPT
R_TX2-
001:D22
KDS184
D800
A2
C
A1
10K
R804
OPT
DDCDA_SDA
001:D21
SCL_HDMI
008:E16
1K
R801
CDS3C05GTA 5.6V
OPT
D802
100
R803
USB_DM
001:H26
CDS3C05GTA 5.6V
OPT
D801
CM2021-00TR
IC801
OPT
26
NC4
27
TMDS_D0-
28
TMDS_GND6
29
NC5
30
TMDS_D1-
31
TMDS_GND5
32
NC6
33
TMDS_D2-
34
TMDS_GND4
35
NC7
36
GND1
17
DDC_CLK_IN
3
GND0
6
NC0
16
CE_REMOTE_IN
15
NC3
14
TMDS_GND3
13
TMDS_CK+
12
NC2
11
TMDS_GND2
10
TMDS_D0+
9
NC1
8
TMDS_GND1
7
TMDS_D1+
4
TMDS_D2+
5
TMDS_GND0
2
3.3V_SUPPLY
21
DDC_DAT_OUT
1
5V_SUPPLY
20
HOTPLUG_DET_OUT
19
HOTPLUG_DET_IN
18
DDC_DAT_IN
23
CE_REMOTE_OUT
24
TMDS_CK-
25
TMDS_GND7
22
DDC_CLK_OUT
37
TMDS_VDD
38
NC8
B_TX0+
001:D23
TXCLK+
001:D24
8pF
50V
OPT
C807
+3.3V_VDDP_ST
8pF
50V
OPT
C806
47
K
R821
OPT
100
OPT
R802
0.1uF
50V
C801
G_TX1-
001:D23
+3.3V_VDDP_ST
AT24C02BN-10SU-1.8
IC800
3
A2
2
A1
4
GND
1
A0
5
SDA
6
SCL
7
WP
8
VCC
DC1R019WDH
JK800
1
D2+
2
D2_GND
3
D2-
4
D1+
5
D1_GND
6
D1-
7
D0+
8
D0_GND
9
D0-
10
CK+
11
CK_GND
12
CK-
13
CE_REMOTE
14
NC
15
DDC_CLK
16
DCC_DAT
17
GND
18
5V
19
HP_DET
20
GND
21
GND
22
GND
2SC3875S
Q800
E
B
C
22
R807
22
R806
0
OPT
R800
3.3
R812
3.3
R813
3.3
R814
3.3
R815
3.3
R816
3.3
R817
3.3
R818
3.3
R819
BG2012B080TF
8OHM
L801
OPT
10uF
16V
C808
51K
R837
100K
R838
+5V_GENERAL
USB_OCD_N
001:K10
CB3216PA501E
L521
DETOUT
HDMI
USB
8 12
2008.3.14
HDMI&USB
32LG3DCH
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