Read LG 42LH90QR (CHASSIS:LP91C) 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.
SIDE_RIN
SIDE_LIN
5 . 6 B
ZD202
SIDE_V
5 . 6 B
ZD203
CDS3C30GTH
30V
D121
IR_OUT
RXD
ST3232CDR
IC101
3
C1-
2
V+
4
C2+
1
C1+
6
V-
5
C2-
7
T2OUT
8
R2IN
9
R2OUT
10
T2IN
11
T1IN
12
R1OUT
13
R1IN
14
T1OUT
15
GND
16
VCC
TXD
CDS3C30GTH
30V
D122
+3.3V_MST
KCN-DS-1-0088
JK103
1
2
3
4
5
6
7
8
9
10
+3.3V_MST
USB DOWN STREAM
KJA-UB-4-0004
P200
1
2
3
4
5
USB_DP
USB_DN
30V
D205
30V
D206
0.1uF
C109
0.1uF
C107
0.1uF
C108
0.1uF
C205
100
R145
100
R144
4.7K
R206
4.7K
R207
0
R200
0
R201
0
Non_OCP
R202
+5V_USB
500
L200
10uF 6.3V
C201
120OHM OCP
L202
4.7K
OCP
R205
1KOCP
R204
MIC2009YM6-TR
OCP
IC201
3
ENABLE
2
GND
4 FAULT/
1
VIN
6 VOUT
5 ILIMIT
0.1uF
OCP
C203
10uF
OCP
C204
30V
D208
30V
D207
J P 2 0 1
J P 2 0 0
J P 2 0 2
220uF16V
C200
100uF 16V
C202
KDS226
OCP
D200
A
AC
C
510
OCP
R208
160 OCP
R203
75
R227
220K
R223
220K
R222
10K
R224
10K
R225
12K
R226
12K
R228
P P J 2 1 8 - 0 2
JK201
5C[RD]CONTACT
2C[RD]U_CAN
4C[RD]O_SPRING
2B[WH]U_CAN
3B[WH]C_LUG
2A[YL]U_CAN
5A[YL]CONTACT
4A[YL]O_SPRING
IR_OUT
**1A Design
I t ’ s p o s s i b e l t o 2 7 ~ 4 7 o h m
SIDE AV
USB
RS-232C (CI ITEM)
INPUT-RS232/SIDE/USB
H6 LH90
2 1 2
2 0 0 9 / 0 3 / 0 4
EAN43439401
P i n t o P i n w i t h
Close to SIDE_USB
EAX61087201
Mstar LCD LH90
Mstar LCD LH90
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