Read LG 47LH40 (CHASSIS:LA92G) 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.
BG2012B080TF
L1202
CDS3C05HDMI1
5.6V
ZENER D1203
10K
R1223
OPT
0
R1220
5.6B
D1240
ZENER
1000pF
50V
OPT
C1248
+5V_EXT
ADMC5M03200L_AMODIODE
5.6V
D1233
OPT
SDA_SUB/AMP
001:AI5;006:D12
100
R1200
LED_MOVING/LED_R
001:AR32
USB_DM
001:AR34
5.6B
D1239
ZENER
ADMC5M03200L_AMODIODE
5.6V
D1201
ZENER
5.6B
D1238
ZENER
+5V_ST
BG2012B080TF
L1204
CB3216PA501E
L1219
4.7K
R1227
10K
R1224
OPT
0
R1239
Except_LU30
10K
R1216
USB_DP
001:AR34
100pF
50V
C1207
+5V_USB_1
001:I2
+3.3V_ST
+3.3V_ST
120K
OPT
R1213
4.7K
R1219
OPT
+3.3V
47
R1217
SCL_SUB/AMP
001:AI5;006:D11
1000pF
50V
OPT
C1249
0
R1229
0
R1225
OPT
100
R1201
USB DOWN STREAM
KJA-UB-4-0004
JK1204
1
2
3
4
5
180
R1218
0
LU30 R1214
+5V_USB_1
001:I2
100uF
16V
C1209
BG2012B080TF
L1203
CB3216PA501E
L1201
0.1uF
16V
C1208
0.1uF
16V
C1200
1000pF
50V
C1205
CB3216PA501E
L1200
0.1uF
16V
C1202
IR
001:AB22;004:AD4
100
R1231
OPT
10K
R1228
USB_OCD
LED_MOVING/LED_R
001:AR32
1000pF
50V
C1201
0.1uF
C1203
ADMC5M03200L_AMODIODE
5.6V
D1202
ZENER
KEY1
001:AB23
0
R1230
+3.3V_ST
LED_B
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
KEY2
001:AB23
4.7K
R1203
MIC2009YM6-TR
IC1202
3
ENABLE
2
GND
4
FAULT/
1
VIN
6
VOUT
5
ILIMIT
0.1uF
C1244
ENKMC2838-T112
D1204
A1
C
A2
LED_B
001:AR32
0.1uF
OPT
C1253
+3.3V_ST
0
R1222
0.1uF
C1204
4.7K
R1202
USB_CTL
10uF
10V
C1245
0
R1221
2SC3052
Q1201
E
B
C
ADMC5M03200L_AMODIODE
5.6V
D1232
OPT
USB JACK
USB +5V Over Current Protection --> USB Jack
[CONTROL IR & LED]
For testing LU30 & Small model
Pin to Pin Replacable with T-MIC2019YM6
USB
C
2009
ETC SUB BOARD I/F
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