Philips F8 - EMI Circuit

1
1
2
2
3
3
4
4
5
5
6
6
7
7
8
8
D D
C C
B B
A A
反激线路
GND
12V
a
12
PCB101A
RB135
CB109
CB110
RB134
GNDSGND
a
GND
12V
1
2
CNB2
SGND
SGND
SGND
SGND
GND
VBL
GND
12V
Vbridge
BRO
a
a
3 4
PCB101B
RB107
RB125
RB140
CB117
RB123
a
EB104
a
EB105
AK
DB104
RB126
RB127
CB102
SGND
RB124
CB113
RB116
CB103
RB101RB102
RB106
CB114
BB101
SGND
SGND
RB117 RB118
KA
R
UB102
RB131
RB132
RB133
TP-TDT
i
HOT
TP.XXX.PXX AXXX
M Na 
CHK D 
DATE
VERSION
DATE
DRAWN
XXX 2015a0XaXX
V1.0
XXX 2015a0XaXX
i
POWER
CB118
CB120
6
4
1
2
10
9
11
7
5
TB101
RB114 RB115
CB116
DB111
RB105
DB101
CYB3
RB109
EMI电路
SGND
Vbridge
a
a
a
a a
a a
a
RB1
RB2
RB3
RB4
a
NTCB1
GND
a
a
a
a
a
NC/NTCB2
L
i
HOT
CXB1
1 4
2 3
NC/LCB3
12 43
LCB2
3
1
N
L
CNB1
DB1 DB2
DB3 DB4
CYB1
CYB2
a
NC/MOVB1
a
T3.15AH 250V~
FB1
a
RB119
RB120
RB121
AK
DB106
CB104
CB101
a
EB107
1
1
3
3
2
2
ZDB101
RB129
RB128
RB130
a
EB101
a
EB102
RB145
1 4
2 3
NC/LCB1
RB138
DB102
JP1
JP2
a
EB2
aa
RB148
a
EB1
1
1
HS
2
2
HSB3
12V
NC/CYB4
NC/CYB5
L
RB113 RB103
SGND
BRO
RB141
RB142
CB111
L
GND
1
COMP
2
NC
3
CS
4
VCC
5
GATE
6
UB101
RB104
D
G
S
QB101
a
1
1
HS
2
2
HSB1
1
1
HS
2
2
HSB2
D_QB101
D_QB101
a
a
a
a
a
a
GND
GND
LED_OVP
LEDa
LED_GATE
a
EB801
a
EB802
BB801
RB811
RB810
RB807
RB808
DB809
RB809
D_QB801
RB818
RB805
LED_CS
CB815
LEDa
GND
LB801
VBL
CB804
GND
LED1
LED2
LED3
LED4
LED_CS
LED_GATE
RB822
RB815
GND
RB804
VIN
GND
GND
RB827
CB806
LED_OVP
RB803
RB813 RB812
GND
GND
CB807
RB801
PWM_DIM
12V
GND
RB802
BL_ON
CB802
VREF
LED_ISET
PWM
16
SSTCMP
15
ISEN1
1
ISEN2
2
GND
3
ISEN3
4
ISEN4
5
ISET
6
OVP
7
RT
8
ENA
9
ISW
10
LDR
11
VREF
12
VIN
13
LPF
14
EPAD
17
UB801
LB802
LPF
GND
VIN
RB819 RB820
PWM_DIM
BL_ON BL_ON
PWM_DIM
PWM_DIM
BL_ON
ADIM ADIM
ADIM
25KHz PWM
与TV端连接网络
Vrms=99 Vrms=99
RB816
CB814
CB811
CB805
CB813
ADIM LPF
RB836
QB803
RB837
RB839
GND
LED_ISET
BL_OVLD
RB838
BL_OVLD BL_OVLD
BL_OVLD
CB826
CB827
CB810
CB809
RB814RB834
200Hz PWM
DB802
VBL
LED1 LED2
RB823
LED3
RB824 RB825
LED4
RB821
D
G
S
QB801
DB801
LEDaLED1
1 2 3 4
CNB801
2 5
6
LB803
DB103
NC/RB161
RB162 RB163
22