LG 32LH250H Service Manual page 26

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HDMI1
5V_HDMI_1
C
Q504 B
2SC3052
E
R552
1K
C501
0 . 1 u F
16V
R510 0
R511 0
R509 0
R569
0
R570
0
R571 0
R572
0
R573
0
R574 0
R575
0
R576
0
GND
HDMI2
008:Q29;002:R11
5V_HDMI_2
C
Q505 B
2SC3052
E
R553
1K
C502
0 . 1 u F
16V
R506 0
R507 0
R508 0
R577
0
R578
0
R579 0
R580
0
R581
0
R582 0
R583
0
R584 0
GND
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.
HDMI
EDID
+3.3V_ST
R556
47K
R513
OPT
10K
008:D37
008:D38;002:R20
008:D37;002:R21
008:D39
CK-_HDMI1
IC500
CAT24C02WI-GT3
008:D39
CK+_HDMI1
008:D39 A0 VCC
1 8
D0-_HDMI1
A1 WP
008:D39
2 7
D0+_HDMI1
HDMI1
008:D38
A2 SCL
D1-_HDMI1
3 6
008:D38 VSS SDA
4 5
D1+_HDMI1
008:D38
D2-_HDMI1
008:D38
D2+_HDMI1
EDID
+3.3V_ST
R557
47K
R514 OPT
10K
008:D35
0 0 8 : D 3 5 ; 0 0 2 : R 7
0 0 8 : D 3 5 ; 0 0 2 : S 7
008:D37
CK-_HDMI2
IC501
008:D37
CAT24C02WI-GT3
CK+_HDMI2
008:D36
D0-_HDMI2
A0 VCC
1 8
008:D36
D0+_HDMI2
A1 WP
2 7
008:D36
D1-_HDMI2 HDMI2
A2 SCL
3 6
008:D36
D1+_HDMI2
VSS SDA
008:D35
4 5
D2-_HDMI2
008:D36
D2+_HDMI2
+5V_GENERAL 5V_HDMI_1
C509 +3.5V_ST
0 . 1 u F
50V
R542
10K
OPT
R545 2010_PWR
100
IC6000
EEPROM_WP
SC632ULTRT
DDC_SCL_1
GND
1
DDC_SDA_1
C1+
2
C6000
C512 C515
2 . 2 u F
8pF 8pF C1-
10V
3
50V 50V
OPT OPT
IN
4
+12V
2010_PWR
L4001
MLB-201209-0120P-N2
C4002
C4003
0 . 1 u F 22uF
16V
16V
+5V_GENERAL 5V_HDMI_2
R4050
10K
C510
+12V
0 . 1 u F
50V
R543
10K
OPT
R546
100
EEPROM_WP
2010_PWR
L4000
MLB-201209-0120P-N2
DDC_SCL_2
C4000
DDC_SDA_2 C4001
0 . 1 u F 22uF
16V
16V
C513 C516
8pF 8pF
50V 50V
OPT OPT
+3.5V_ST
C4013 R4030
0 . 1 u F
2010_PWR
IC4002
SC632ULTRT
[EP]GND
GND C2-
1 8
C4009
2 . 2 u F
C1+ C2+ 10V
2 7
C4004
2 . 2 u F
10V C1- OUT
3 6
IN EN 2010_PWR
4 5
[EP]GND
009:N25;009:AU17
+5V_ST_PTC DCDC_EN
C2-
8
C6001
2 . 2 u F
10V
C2+
7
OUT
6
EN 2010_PWR
2010_PWR 2010_PWR
5
C6002
C6003 C6004
10uF
47uF 47uF
25V
10V 10V
R4003 R4009 R4015 R4018
10K 5.1K 200 47K
5V_ST
1% 1/10W 1/10W 1%
5% 5%
2010_PWR
IC4001
AOZ1073AIL
2010_PWR
L4004
3.6uH
PGND LX_2
1 8
+12V
VIN LX_1
2 7
AGND EN 2010_PWR
10K
3 6 2010_PWR
C4014
C4020
R4024 10uF
22uF
10V
FB COMP 16V
4 5
MSTAR_POWER_ON
002:AE6;004:AG4;009:N27
C4008
1000pF
50V
R4007 R4012
4.7K 27K
1% 1% 1%
3.3V
2010_PWR
IC4000
AOZ1073AIL
2010_PWR
L4003
3.6uH
PGND LX_2
1 8
VIN LX_1 +12V
2 7
AGND EN 10K
3 6 008:AR31;004:Q27;004:T24
C4010
C4012
POWER_ON/OFF1
10uF
R4017 22uF
10V 16V
FB COMP R4032
2010_PWR
4 5 2010_PWR
R4031
MSTAR_POWER_ON
002:AG13;004:AG4;009:N27
C4007
1000pF
50V
2010_PWR
2010_PWR
L4005 D4000
22uH MBRA340T3G
40V
2010_PWR
IC4003
C4034
2010_PWR
BD9306AFVM
Q4008
Si4800BDY
R4040
FB RT 20K
8 1
D8 S1
C4023 8 1
100pF
COMP CT
7 2
D7 S2
1K 50V 7 2
GND ENB
6 3
D6 S3
6 3
VCC GD
5 4
D5 G
5 4
+5V_ST_PTC
2010_PWR
2010_PWR
C4015
C4019 C4021
10uF
47uF 47uF
25V
10V 10V
2010_PWR
R4034
0
R4033
47K
5V_ST
+5V_ST_PTC 5V_ST +5V_ST
2010_PWR
Q4007
AO4813
2010_PWR S2 1 8 D2_2
2010_PWR
C4027 C4030
2 . 2 u F 100uF
G2 2 7 D2_1
25V
16V
S1 3 6 D1_2
2010_PWR G1 4 5 D1_1
Q4005
C
2SC3875S(ALY)
B
R4037
10K
2010_PWR
E
+3.3V
3.3V 3.3V
2010_PWR
Q4009
AO4813
S2 1 8 D2_2
OPT
C4028
10uF
16V G2 2 7 D2_1
S1 3 6 D1_2
G1 4 5 D1_1
2010_PWR
Q4006
C
2SC3875S(ALY)
2010_PWR
B
0 R4038
10K
E
0 OPT
32/37/42 AUO
HDMI 2
12V_DCDC
C4035
22uF
25V
100pF
50V
2010_PWR
C4036
220uF
16V
2010_PWR
C4037
220uF
16V
2010_PWR
1 4