Read LG 42SL90-UA (CHASSIS:LA92S) Service Manual online
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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.
SL90
09/06/24
IR/USB
10 10
C1004
100pF
50V
+3.3V
IR
006:AB22;001:L3
IC1000
MIC2009YM6-TR
3
ENABLE
2
GND
4
FAULT/
1
VIN
6
VOUT
5
ILIMIT
R1010
0
R1004
0
ZD1000
5.6B
D1005
5.6V
ADMC5M03200L_AMODIODE
OPT
L1001
CB3216PA501E
+5V_ST
+5V_EXT
R1017
100
USB_DP
006:AR33
C1003
0.1uF
D1000
5.6V
ADMC5M03200L_AMODIODE
C1006
1000pF
50V
R1009
0
OPT
R1014
4.7K
L1003
BG2012B080TF
L1002
CB3216PA501E
+3.3V
KEY1 006:AB22
R1005
0
R1018
100
+5V_USB_1
010:AH26
C1009
0.1uF
16V
L1000
BG2012B080TF
ZD1002
5.6B
USB_DM
006:AR33
ZD1001
5.6B
KEY2 006:AB22
R1020
47
47
C1005
0.1uF
USB_OCD
C1008
0.1uF
0.1uF
16V
USB_CTL
L1005
CB3216PA501E
R1019
180
+3.3V_ST
C1007
1000pF
50V
SCL_SUB/AMP
006:AI3;003:K12
+3.3V_ST
C1013
0.1uF
0.1uF
D1004
5.6V
ADMC5M03200L_AMODIODE
OPT
C1001
100pF
100pF
50V
R1021
4.7K
OPT
4.7K
OPT
L1004
BG2012B080TF
C1002
100pF
50V
SDA_SUB/AMP
006:AI3;003:K12
+5V_USB_1
010:AA20
R1011
4.7K
D1001
5.6V
ADMC5M03200L_AMODIODE
C1011
10uF
10V
R1022
10K
J
K
1
0
0
0
U
A
R
2
7
-
4
K
2
3
0
0
1
2
3
4
5
C1012
100uF
16V
100uF
16V
C1014
100uF
16V
100uF
16V
C1015
100uF
16V
16V
P1001
12507WR-10L
1
GND
2
GND
3
SCL
4
SDA
5
GND
6
5V_ST
7
GND
8
IR
9
GND
10
3.3V_ST
11
GND
P1002
12507WR-12L
1
SCL
2
SDA
3
GND
4
KEY1
5
KEY2
6
5V_ST
7
GND
8
WARM_ST
9
ST_LED
10
GND
11
5V_ST
12
LED_ON
13
GND
D1007
5.6V
ADMC5M03200L_AMODIODE
SDA_SUB/AMP
006:AI3;003:K12
C1017
100pF
50V
D1006
5.6V
ADMC5M03200L_AMODIODE
R1027
0
R1028
0
C1018
100pF
50V
SCL_SUB/AMP
006:AI3;003:K12
Q1001
2N7002K
S
D
G
Q1002
2N7002K
S
D
G
+3.3V
L1006
CB3216PA501E
+5V_ST
C1019
1000pF
50V
C1021
0.1uF
0.1uF
16V
L1007
CB3216PA501E
+5V_ST
C1020
1000pF
50V
C1022
0.1uF
0.1uF
16V
WARM_LED_ON
R1026
4.7K
OPT
R1024
10K
OPT
LED_ON
R1023
0
0
OPT
R1003
120K
OPT
R1002
4.7K
R1000
10K
R1001
100
OPT
Q1000
2SC3052
E
B
C
+3.3V_ST
R1007
10K
+3.3V_ST
R1025
0
R1029
3.3K
R1030
0
USB
USB JACK
Pin to Pin Replacable with T-MIC2019YM6
USB +5V Over Current Protection --> USB Jack
ST_LED
CONTROL KEY & BREATHING LED
IR & EYE-Q
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