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Schematic Diagram
Main Board
EU OTS MT533X - 4 LAYERS
BRIGHT_ADJ:
Normal:Max:+3V3, Min:0V
DC POWER INPUT
Stand_By:0V
INVERTER_ON_OFF:
Normal: High
CONN
Stand_By: Low
12
INVERTER_ON_OFF
11
BRIGHT_ADJ
10
+12V
9
8
7
6
5
+24V
4
3
2
STB_PWR5V
1
CN100
0.6 x (1+2.44K/1.2K) = 1.82V
15uH
L101
DV18_DDR
D101
C112
+
SS2P4
330uF 16V
R124
C131
NC/22N 16V
R104
USE 330uF 16V GF
R137
C102
R115
33N 16V
NC/1K 1/10W 5%
1%
R117
1.2KOHM +-1% 1/10W
1%
OPWRSB(+1V8):
Norm al: High
Stand_By: Low
OFF: Low
STB_PWR5V
FB100
220R/2000mA
1
2
FB101
220R/2000mA
1
2
STANDBY:
Normal: High
Stand_by: Low
DV33
DV33SB
R144
R129
1K 1/16W 5%
NC/2K2 1/16W 5%
SMD/0402
SMD/0402
SMD/0402
R146
NC/100R 1/16W 5%
CEC_PWRSB
SMD/0402
STANDBY
R113
100R 1/16W 5%
STANDBY
SMD/0402
Q106
R126
1K 1/16W 5%
STAND_BY
R142
NC/100R 1/16W 5%
OPWRSB
BC847C
SMD/0402
C124
100N 16V
STAND_BY:(OPCTRL3)
SMD/0402
Normal: Low
Stand_by: High
C108
C132
10U 16V
10U 16V
U104
U103
L5985
L5985
1
8
8
1
Vout
Vcc
Vcc
Vout
2
7
7
2
SYNC
GND
GND
SY NC
3
6
6
3
INH
FSW
FSW
INH
4
5
5
4
COMP
FB
FB
COMP
C129
C128
C104
33N 16V
R127
Q108
Q109
R128
OPWRSB
OPWRSB
10K 1/10W 5%
10K 1/10W 5%
OPWRSB(+1V1):
Norm al: High
Stand_By: Low
From +5V_SW to +1V8/+1V1 By OPWRSB
OFF: Low
+5V_STB
+
C107
C106
100N 16V
OPWRSB(+5V_SW ON/OFF):
Norm al: High
Stand_By: Low
+5V_STB
+5V_TunerB+
R149
IF 5V HAVE DIP
0R05 1/4W
+5V_SW
+5V1_TUN
R105
R107
IF 5V NO DIP
OPWRSB
NC/0R05 1/4W
1K 1/10W 5%
R147
R145
CEC_PWRSB
NC/10K 1/16W 5%
SMD/0402
+5V_STB(+5V1) TO +5V_SW BY OPWRSB
R143
+12V
NC/0R05 1/4W
R150
+5V_SW
0R05 1/4W
+
C110
220uF 16V
0.6 x (1+1.1K/1.2K) = 1.15V
+5V_TunerB+
R120
L102
15uH
DV11
D100
6
D
+
C111
5
SS2P4
D
330uF 16V
4
S
R125
C130
SI3441BDV
NC/22N 16V
R106
R116
USE 330uF 16V GF
R123
R103
NC/1K 1/10W 5%
1%
22K 1/10W
R101
STANDBY
R122
22K 1/10W
1.2KOHM +-1% 1/10W
R100
C126
1%
22K 1/10W
100N 16V
STANDBY:
Normal: High
Stand_by: Low
+5V_STB TO +5V1_TUN
FOR IF HAVE 5V DIP
50
2,6,16
+24V
+5V_STB
+5V_SW
2,16
+12V
2,9,11
+5V_STB
2,7,10,12,13,14,15,16,17
+5V_SW
2
+5V1_TUN
Q104
SI5441DC
5,8
DV18_DDR
8
1
D
D
5
DV11
7
2
D
D
6
OPWRSB
6
3
D
D
5
4
S
G
6
STAND_BY
17
BRIGHT_ADJ
C105
+
17
INVERTER_ON_OFF
100N 16V
C101
100uF 16V
2,4,5,6,9,10,15,16,17
DV33
2,11
+3V3SB
R130
11
CEC_PWR
5K1 1/10W
8
MEM_VREF
2
Q101
C114
8
VTT
BC847C
4.7UF 10V
C135
C121
2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17
GND
5,6,9,11,15,16,17
DV33SB
R111
+3V3SB
DV33SB
+3.3V for 538X MCU
0 OHM +-5% 1/8W
Q105
CEC_PWR(DV33SB ON/OFF):
6
1
D
D
5
2
Norm al: Low
D
D
4
3
S
G
Stand_By: High
R140
NC/SI3441BDV
+
C116
C103
NC/100N 16V
100uF 16V
SMD
R141
CEC_PWRSB
NC/5K1 1/10W
2
Q102
NC/MUN2211TIG
C117
CEC_PWR
Q107
R139
NC/10uF/10V
+3V3SB TO DV33SB BY CEC_PWR
+5V1_TUN
NC/0R05 1/4W
VTT
1
D
2
C118
D
3
R114
4K7 1/10W
G
100N 16V
U102
Q103
1
GND
VTT
R102
DV18_DDR
2
SD
PVIN
R131
NC/75R 1/10W 1%
3
5K1 1/10W
VSENSE
AVIN
MEM_VREF
4
VREF
VDDQ
R132
LP2996MRX
NC/75R 1/10W 1%
C119
C120
100N 16V
10U 10V
2
Q100
C127
BC847C
4.7UF 10V
DV18_DDR stabilizer
Chapter 10
+24V
+12V
+5V_STB
+5V_SW
+5V1_TUN
DV18_DDR
DV11
OPWRSB
STAND_BY
BRIGHT_ADJ
INVERTER_ON_OFF
DV33
+3V3SB
CEC_PWR
MEM_VREF
VTT
GND
DV33SB
W CEC
W/O CEC
R111
NC
Yes
C103
NC
Yes
Q105
Yes
NC
R139
Yes
NC
R138
Yes
NC
R140
Yes
NC
R141
Yes
NC
C116
Yes
NC
C117
Yes
NC
Q102
Yes
NC
Q107
Yes
NC
R145
Yes
NC
R146
Yes
NC
DV18_DDR
8
7
6
5
C123
100N 16V
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