Samsung T220HD - Circuit Diagrams When the Power Does Not Turn on

4-3
4. Troubleshooting
4-2-1. Circuit diagrams when the power does not turn on
5:GND
4:GND
3:GND
9:ON/OFF
8:A-DIMMING
7:5.1V/3.0A
6:5.1V/3.0A
2:13V/0.65A
1:PWM
L:INVERTER ON
H:INVERTER OFF
1
1
2
1
R1004
2 1
C1004
2 1
C1005
MGND2 MGND1
9
8
7
6
5
4
3
2
1
CN1001
21
R1301
3
2
1
Q1005
1
2
1
R1001_DE
21
C1002
1
1
1
2 1
R1032
1 2 1
R1031
1
2 1
C1003
1
21
C1001_22
2 1
R1002
1/10W
0OHM
PWM_DIMMING_OUT
0OHM
100NF
4.7KOHM
FGND
A13V
B5V
25V
100NF
FGND
A5V
B5V
0OHM
4.7KOHM
4.7KOHM
SW_INVERTER
CN_SMD_S_009
FGND
FGND
1UF
50V
25V
100UF KTC3875S-Y
6.3V
100UF
E
B
C
5A (MAX)
HIGH:ON
LOW:OFF
8
7
6
54
3
2
1
IC1023
TP1001
R1030
Q1006
R1043
C1107
R1040
C1120
BD1022
2 1
C1110
TP1002
3
2
1
IC1013
2 1
C1109
C1112
21
BD1034
6.3V
100UF
BEAD_CHIP
B3.3V_DTV
B3.3VD
100NF
25V
FGND
AP1084K33A
FGND FGNDFGND
B5V
BEAD_CHIP
100NF
25V
FGND
1/10W
10KOHM
FGND
2SC2412K-Q
SI4435BDY-T1-E3
POWER_ON
1/10W
10KOHM
1/10W
100KOHM
A5V
1UF
10V
6.3V
100UF
E
B
C
GND
OUTIN