LG 37LH40 / 37LH41 (CHASSIS:LA92G) Service Manual ▷ View 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.
+5V_USB_1
001:I2
CB3216PA501E
L1200
IR
001:AB22;004:AD4
0
R1230
BG2012B080TF
L1202
USB_DM
001:AR34
0.1uF
OPT
C1253
USB_DP
001:AR34
100
R1231
OPT
0.1uF
16V
C1202
+3.3V_ST
330uF
25V
C1209
ADMC5M03200L_AMODIODE
5.6V
D1201
ZENER
MIC2009YM6-TR
IC1202
3
ENABLE
2
GND
4
FAULT/
1
VIN
6
VOUT
5
ILIMIT
5.6B
D1240
ZENER
ADMC5M03200L_AMODIODE
5.6V
D1202
ZENER
ADMC5M03200L_AMODIODE
5.6V
D1232
OPT
5.6B
D1239
Z E
N E
R
0
R1225
OPT
4.7K
R1219
OPT
0
R1221
12507WS-12L
P1200
1
SCL
2
SDA
3
GND
4
KEY1
5
KEY2
6
5V_ST
7
GND
8
WARM_ST
9
IR
10
GND
11
3.3V_ST
12
PWR_ON
13
GND
0
R1220
10K
R1228
BG2012B080TF
L1203
120K
OPT
R1213
+3.3V_ST
USB_CTL
100pF
50V
C1207
0
LU30
R1214
SCL_SUB/AMP
001:AI5;006:D11
+5V_EXT
0.
1u
F
C1203
2SC3052
Q1202
E
B
C
0
R1239
Except_LU30
100
R1201
0.1uF
16V
C1200
10uF
10V
C1245
0.1uF
C1244
+3.3V
100
R1200
10K
R1250
R1250
47
R1226
LED_MOVING/LED_R
001:AR32
+3.3V_ST
180
R1209
USB_OCD
+5V_USB_1
001:I2
LED_MOVING/LED_R
001:AR32
SDA_SUB/AMP
001:AI5;006:D12
BG2012B080TF
L1204
LED_B
ADMC5M03200L_AMODIODE
5.6V
D1233
OPT
KEY2
001:AB23
CB3216PA501E
L1219
1000pF
50V
C1201
1000pF
50V
C1205
+3.3V_ST
KEY1
001:AB23
4.7K
R1227
0.1uF
16V
C1208
4.7K
R1202
0.
1u
F
C1204
0
R1222
+5V_ST
LED_B
001:AR32
5.6B
D1238
ZENER
CDS3C05HDMI1
5.6V
ZENER
D1203
10K
R1224
OPT
0
R1229
4.7K
R1203
CB3216PA501E
L1201
USB DOWN STREAM
KJA-UB-4-0004
JK1204
1
2
3
4
5
10K
R1223
ENKMC2838-T112
D1204
A1
C
A2
MDS61887701
GAS1
GAS1
MDS61887701
GAS2
GAS2
MDS61887701
GAS3
GAS3
MDS61887701
GAS4
GAS4
MDS61887701
GAS5
GAS5
100pF
50V
C1249
100pF
50V
C1248
Pin to Pin Replacable with T-MIC2019YM6
USB JACK
For testing LU30 & Small model
USB
[CONTROL IR & LED]
USB +5V Over Current Protection --> USB Jack
GASKET on the Bottom
C
2009
Feb., 2009
P/NO : MFL41946810
Feb., 2009
P/NO : MFL41946810
Feb., 2009
P/NO : MFL41946810
