Block Diagram - Panasonic PT-RZ470 Series Service Manual

1. Block Diagram

1.1. Power Supply and Ballast
AC
!
INLET
POWER
!
K1
CODE
! F8101
E
K-P.C.B
!
F
D
C
B
A
1 2
!
SW8101 ! L8101,8102 D8101
P1
LINE IC8101
RECTIFIER
FILTER
!
T8101
REG.
! F8201
SWITCHING
TRANSFORMER
!
PC8103
PHOTO
ISOLATOR
!
PC8101
PHOTOTRIAC-
ISOLATOR
P-P.C.B
!
HOT COLD
IC9400
LED Drive
Controller
15V 15V 15V
IC9020 IC9060 IC9120
Driver IC Driver IC Driver IC
19V 19V
Q9001 Q9040
Q9002 Q9041
D-P.C.Board
!
1 2
DR5
LED-R_UNIT
3 4
Q8102,L8115
PFC P2
B1
F9701
DC380V
1
380V
Q8103,L8116
4 DC15V
15V
PFC
IC8102
PFC
15V
CONTROL
P3
1,2
FAN17V
5,6,7
12V
11
DC-DC ECO-STB3.3V
13
MAIN/NT-STB
14
MAIN/ECO-STB
!
15V 15V
IC9160 IC9220
Driver IC
Driver IC
19V 19V
Q9140
Q9100
Q9141
Q9101
1 2 4
DR4
DR6
LED-B_UNIT
A-P.C.B (A3)
5 6
DIA-2
380V 380V
Q9731
!
!
T9731
IC9711
Q9732
75V Power Controll
!
IC9751
PC9731
PHOTO-ISOLATOR SHUNT REG
380V
Q9831
!
T9831
IC9811
Q9832
19V Power Controll
!
PC9831 IC9851
PHOTO-ISOLATOR SHUNT REG
B-P.C.Board
HOT COLD
IC9080
3.3V REG
IC9450 15V
LD Drive IC9082
Controller
15V REG
15V 15V
IC9270 IC9320
Driver IC Driver IC
75V 75V 75V
Q9200 Q9250
Q9300
Q9251
Q9201 Q9301
1 2 3 4 5 6 7 8 9 10 11 12 13 14
DR3
LD_UNIT
7 8
B2
1 DC75V
2
B3
1 DC19V
2
19V
DR2
DC19V
1
2
75V
DR1
1 DC75V
2
9