LG Flatron L1718S - Schematic Diagram

48
10 490621400100R PCB,PWR&INV./B, LE1730-XE0
20
M3,M4,
M5,M6,
M7,M8,
512006000500R RIVET,Φ3.0xΦ1.6x3.0mm
30 M1,M2, 512006000600R RIVET,Φ4.1xΦ2.2x3.0mm
SCHEMATIC DIAGRAM
1. DC to DC
C166 0.1/50V
+
C108 220uF/16V
VCC5V
LED_GREEN_2
C103 0.1/ 50V
CN106
4500-05
5
4
3
2
1
5
4
3
2
1
Q107
2N7002K
R108 4K7
VCC3.3
Q103
PMBT3904
Q101 AP2305GN
G
DS
Brightness
C158
100P J
VCC5V
ON/OFF
C161
100P J
R105 20K
LED_AMBER_2
C104 0.1/ 50V
R109 4.7K
C164
100P J
C109 0.1/50V
Q106
PMBT3904
C163
100P J
C165/NC
1u/16V
R102 100K
R107 220
LED_AMBER_2
VCC3.3 3,4
VLCD
VCC3.3
C162
100P J
VCC1.8
Q104
PMBT3904/N C
+
C111 10uF/25V
R110 4K7
VCC1.8 4
Key _DOWN
Q105
PMBT3906
3
1
2
CN105
2x4PIN
2
4
5
6
7
8
3
1
VCC3.3
LED_AMBER
C107 0.1/ 50V
LED_GREEN
PANEL_ENABLE
VCC 5V
R189
4K7/NC
From Keypad
C160
100P J
C106
0.1/50V
VLCD 4
Key _MENU
Key _AUTO
Dimmer
4
U101
LD1117AL-3.3V
3
1
2
VIN
ADJ
VOUT
R103 0
ON/OFF
CN101
4500-06
6
5
4
3
2
1
6
5
4
3
2
1
Q102
PMBT3906
3
1
2
R190
0
+
C105
22uF/16V
+
C102 100uF/16V
U102
LD1117AL-1.8V
3
1
2
VIN
ADJ
VOUT
VCC3.3
Key _POWER
From Power & Inverter
R106 10K
LED_GREEN_2
R101
100
VCC5V
+
C101 100uF/16V
CCFL_ENABLE
Key _UP
R188
4K7/NC
Brightness
C159
100P J
2. Input