Panasonic PT-FW100NTE, Service Manual

Page: 47 / 101

11 Block Diagram
11.1. Power Supply
Power Supply
FAN 14 V
FAN 14 V
G G
3
4
1
B1
B4
Q2
K-P.C.Board
B-Module
B/Q-Module
P-Module
Q-Module
(CONTROLLER)
STEP-DOWN CHOPPER
Power Cord
AC IN
K1
K2
F9101
D9101
1
6
P3
7
9
8
15
HOT
HOT
COLD
HOT COLD
PHOTOISOLATOR
15 V AVR
SWITCHING
TRANSFORMER
SWITCHING
REGULATOR
PHOTOISOLATOR
POWER
FACTOR
CORRECTION
LAMP
D9608
Q9608
D9609
Q9610
Q204
Q205
Q9611
Q9606
Q9607
IC9602 IC9603
D9611
Q9609
D9612
PWON
3.4 V
DC380 V
THERMOFUSE
Power Control
ST1
Lamp ON/OFF
L det
3.4 V
+6 V
STB 3.4 V
+17 V
12
13
2
3
4
1
P2
P1
PHOTO-
ISOLATORS
D9604
Q9604
Q9614 Q9603
D9605
D9606
D
S
Q9605
D9607
B3
B5
B6
Q1
3
6
1
4
2
Q3
Vla ckeck
7
ST2
5
LINE
FILTER
LINE
FILTER
15 V
15 V
4 2
IGNITER
BLOCK
INTERLOCK
SWITCH
G
D
S
G
D
S
D
S
G
G
Q107
A-P.C.Board
A4
RECTIFIER
D
S
D
S
HALF BRIDGE
DRIVER
(MASTER) HALF BRIDGE
DRIVER
(SLAVE)
Q207
Q203 Q202
IC201
IC202
Q206
MAIN
POWER
SW9101
SW
SW SW
8 9 7 1 2 13 12 6 15
16.5 V
MAIN/
STBY
STB 3.3 V
STB 14 V
6 V
3.3 V
FAN 4-13.5 V
BATT 3 V
A6
A5
Z1
to C
from C
1 3
1 3
Battery
5
5
A-P.C.Board
Z-P.C.Board
DIRECT POWER OFF
+
HOT
for
Exhaust
Fan ( )
PT-FW100NTU / PT-FW100NTE / PT-FW100NTEA
47