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1.1. Power Supply and Ballast
1. Block Diagram
A
B
E
F
D
C
DIA-2
F8002
AC
INLET
POWER
CODE
SW8101
K1
RECTIFIER
PFC
1
4
PFC
CONTROL
380V
15V
F8201
P3
FAN17V
12V
ECO-STB3.3V
MAIN/NT-STB
MAIN/ECO-STB
P2
P1
D8101
Q8102,L8115
IC8102
IC8101
LINE
FILTER
HOT
COLD
PC8101
T8101
P-P.C.B
K-P.C.B
A-P.C.B (A2)
1,2
5,6,7
11
13
14
PHOTOTRIAC-
ISOLATOR
SWITCHING
TRANSFORMER
PHOTO
ISOLATOR
15V
PFC
Q8103,L8116
REG.
PC8103
DC-DC
DC380V
DC15V
75V Power Controll
IC9711
SHUNT REG
IC9751
380V
B-P.C.Board
B1
PHOTO-ISOLATOR
PC9731
HOT
COLD
!
380V
19V Power Controll
IC9811
SHUNT REG
IC9851
PHOTO-ISOLATOR
PC9831
380V
T9731
T9831
Q9731
Q9732
Q9831
Q9832
1
2
B2
1
2
B3
!
!
!
!
!
!
DC75V
DC19V
D-P.C.Board
!
Driver IC
IC9020
LED Drive
Controller
Controller
IC9400
19V
Driver IC
IC9060
19V
R-LED HOT
R-LED COLD
DR5
1
2
Driver IC
IC9120
19V
Driver IC
IC9160
19V
B-LED HOT
B-LED COLD
DR6
1
2
LD Drive
Controller
Controller
IC9450
Q9001
Q9002
Q9040
Q9041
Q9100
Q9101
Q9140
Q9141
Driver IC
IC9220
75V
Driver IC
IC9270
75V
Driver IC
IC9320
75V
Q9200
Q9201
Q9250
Q9251
Q9300
Q9301
15V
15V
15V
15V
15V
15V
15V
CH2-ANODE-2
CH3-ANODE-1
CH3-ANODE-2
CH1-ANODE-1
CH1-ANODE-2
CH1-CATHDE-1
CH1-CATHDE-2
CH3-CATHDE-1
CH3-CATHDE-2
CH2-CATHDE-1
CH2-CATHDE-2
GND
GND
CH2-ANODE-1
DR3
1
14
2
3
4
5
6
7
8
9
10
11 12
13
4
Driver ON/OFF
DR4
75V
1
2
19V
15V REG
IC9082
15V
3.3V REG
IC9080
DC75V
DR1
1
2
DC19V
DR2
A-P.C.B (A3)
LED-R_UNIT
LED-B_UNIT
LD_UNIT
F9701
!
!
!
!
!
!
!
!
!
!
L8101,8102
R9002
R9004
R9041
R9043
R9101
R9103
R9141
R9143
R9201
R9203
R9251
R9253
R9301
R9303
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