Read LG 47LH55 (CHASSIS:LA92B) Service Manual online
USB_OCD
0.1uF
C1244
USB_CTL
USB_DP
001:AR34
USB_DM
001:AR34
+5V_EXT
10K
R1250
R1250
100
R1201
BG2012B080TF
L1202
+3.3V_ST
5.6B
D1240
SDA_SUB/AMP
001:AI5;006:D12
IR
001:AB22;004:AD4
100
R1200
0.
1u
F
C1204
5.6B
D1238
0
R1230
KEY1
001:AB23
5.6B
D1239
100pF
50V
C1207
KEY2
001:AB23
1000pF
50V
C1205
BG2012B080TF
L1204
BG2012B080TF
L1203
LED_MOVING/LED_R
001:AR32
+3.3V_ST
0.1uF
16V
C1200
0.
1u
F
C1203
0
R1229
1000pF
50V
C1201
+5V_ST
0.1uF
16V
C1202
SCL_SUB/AMP
001:AI5;006:D11
180
R1209
47
R1226
MIC2009YM6-TR
IC1202
3
ENABLE
2
GND
4
FAULT/
1
VIN
6
VOUT
5
ILIMIT
0.1uF
16V
C1208
CDS3C05HDMI1
5.6V
D1203
4.7K
R1203
4.7K
R1202
CB3216PA501E
L1200
CB3216PA501E
L1201
2SC3052
Q1202
E
B
C
+3.3V_ST
4.7K
R1227
10K
R1228
CB3216PA501E
L1219
+3.3V
4.7K
R1219
OPT
0.1uF
OPT
C1253
LED_B
120K
OPT
R1213
0
R1225
OPT
0
CL40
R1214
0
R1239
Except_CL40
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
10uF
10V
C1245
100
R1231
OPT
USB DOWN STREAM
KJA-UB-4-0004
JK1204
1
2
3
4
5
+5V_USB_1
001:I2
+5V_USB_1
001:I2
ENKMC2838-T112
D1204
A1
C
A2
0
R1220
0
R1221
LED_MOVING/LED_R
001:AR32
0
R1222
LED_B
001:AR32
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.
10K
R1223
10K
R1224
OPT
+3.3V_ST
ADMC5M03200L_AMODIODE
5.6V
D1201
ADMC5M03200L_AMODIODE
5.6V
D1202
ADMC5M03200L_AMODIODE
5.6V
D1232
OPT
ADMC5M03200L_AMODIODE
5.6V
D1233
OPT
330uF
25V
C1209
100pF
50V
C1249
100pF
50V
C1248
[CONTROL IR & LED]
Pin to Pin Replacable with T-MIC2019YM6
USB
USB +5V Over Current Protection --> USB Jack
USB JACK
For testing CL40 & Small model
C
2009
ETC SUB BOARD I /F
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