GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
T
T
T
T
T
T
T
T
T
T
T
T
T
T
D1B
D1A
G2
G1
S2
D2B
D2A
S1
IN
OUT
GND
GND/ADJ
OUT
VIN
4
VOUT
VIN
ADJ/GND
BS
IN
SW
COMP
FB
SS
GND
EN
T
T
GND/ADJ
OUT
VIN
4
T
T
GND/ADJ
OUT
VIN
4
BS
IN
SW
COMP
FB
SS
GND
EN
VCC
LGATE
GND
PHASE
BOOT
FB
UGATE
VIN
VOUT
VIN
ADJ/GND
D2B
D2A
G1
G2
S1
D1B
D1A
S2
HI = > POWER_OFF
LO = > POWER_ON
POWER
Vout=0.8*(680+3600)/680=5.035
DIMMING
protection circuit
close to P100
3.74V
5.48V
Back Light control
MAIN_POWER
R181
NC/0R
R102
NC/0R
12V
R103
NC/0R
7
8
4
2
3
5
6
1
Q101
NC/A04803
R179
NC/10K
R180
NC/10K
R144
10K
R140
4K7
3V3SB
C122
100U
6V3
C121
100U
16V
C112
100U
6V3
C113
100U
6V3
L106
10UH
L102
NC/10UH
B
E
C
Q106
NC/BT3906
2
3
1
U12
AZ1084
R197
0R
+5V
MAIN_POWER
L103
15UH
200R
L120
200R
L111
R155
1K
R146
NC/4K7
5
8
3
2
6
4
1
7
U106
RT8110B
C117
470U
16V
R192
0R
R193
0R
R194
0R
R196
0R
1
2
36
5
8
4
7
U107
MP1484
1
2
3
4
U102
AS1117-5
L105
200R
DVDD3V3
VCCK
DVDD3V3
AVDD1V2
AVDD1V2
1
2
3
4
AS1117-3.3
U104
L100
15UH
C132
1U
R148
NC/4K7
R143
47K
R191
0R
R190
0R
R128
2K2
R101
330R
+5V
D112
NC/LL4148
D111
NC/LL4148
U105_AVDD1V2
B
C
E
Q105
NC/BT3904
D110 NC/LL4148
1
2
36
5
8
4
7
U100
MP1593DN
2
3
1
U109
AZ1084
1
2
3
4
U105
AS1117AD
3
2
1
U110
NC/RT9166-33
R161
110R/1%
C131
0.1U
C130
0.1U
C111
100U
6V3
AVDD3V3
8
7
6
5
2
4
1
3
Q100
D13N03LT
6V3
220U
C173
PAN_ON/OFF
PAN_ON/OFF
TUNER_VCC
3V3SB
C172
100U
6V3
C110
100U
16V
16V
220U
C100
C118
220U
35V
C101
220U
6V3
C155
0.1U
C105
1U
L122
600R
R119
4K7
C104
4U7
3300P
C128
C145
0.015U
0.01U
C127
0.01U
C125
L113
200R
200R
L112
C116
220U
35V
C103
1U
C106
4U7
C108
10U
C143
0.1U
C139
0.1U
C126
0.1U
C138
0.1U
R132
3K9
R130
6K8
R160
6R8
R159
6R8
12V_T
0R
R178
ON/OFF_PWR
ON/OFF_PWR
R136
NC/4K7
R177
0R
AUDIO_PWR
PANEL_DIM
PANEL_DIM
STB_POWER
STB_POWER
PAN_ON/OFF
MAIN_POWER
MAIN_POWER
AUDIO_PWR
AUDIO_PWR
R154
100R
B
E
C
Q107 BT3906
R195
0R
R198
4R7
R125
4R7
C146
NC/0.1U
R188
NC/2K2
NC/10K
R137
R117
NC/47K
R100
120R
+5V
C148
1800P
M_5V
AVDD3V3
U100_12V
R147
NC/4K7
+5V_D
D107
NC/LL4148
D109
NC/LL4148
D108
NC/LL4148
R149
NC/4K7
1
10
11
12
2
3
4
5
6
7
8
9
P100
R111
0R
R199
0R
R114
NC/6R8
12V
R112
22R
+5V
+5V_D
DDRV
12V_T
12V_T
12V
M_5V
R104
NC/0R
R108
NC/0R
NC/0R
R107
C164
NC/0.1U
C157
NC/0.1U
R158
NC/4K7
C137
NC/1U
R138
NC/0R
+5V
NC/200R
L500
NC/200R
L109
12V
R162
22R
NC/100P
C142
NC/0.1U
C124
R116
NC/0R
NC/10K
R153
MAIN_POWER
C158 0.1U
C147
NC/0.1U
R131
NC/3K3
12V
R156
10K
R157
10K
C109
1U
B
C
E
Q104 BT3904
VCCK
+5V
R127
3K6
R126
680R +/-1%
C167
0.1U
C166
0.1U
0.1U
C165
C144
2U2
R123
12K4 1%
R122
110K 1%
SR34
D100
5K6
R121
8200P
C141
1U
C140
R120
20K
R118
100K
R152
NC/8K2
R151
NC/2K2
STB_POWER
R115
4K7
R142
10K
B
C
E
Q102
BT3904
R141
10K
C163
0.1U
C162
0.1U
C135
0.1U
C161 0.1U
C160
0.1U
C134
0.1U
C159
0.1U
C133
0.1U
+5V
12V
3V3SB
3V3SB
3V3SB
C129
0.1U
C156
220P
DVDD3V3
D102
LL4148
MAIN_POWER
0.1U
C168
TUNER_VCC
C154
0.1U
ON/OFF_PWR
ON/OFF_PWR
+5V
STB_POWER
MAIN_POWER
PANEL_DIM
ADIN2_SRV
VBR_EXT
PANEL_DIM
OPWRSB
12V
C175
0.1U
C174
0.1U
DDRV
12V
STB_POWER
ON/OFF_PWR
ON/OFF
TUNER_VCC
PAN_ON/OFF
M_5V
+5V_D
3V3SB
BL_DIMMING
ADIN3_SRV
STB_POWER