Block Diagram; Power Supply - Panasonic PT-AX200U Service Manual

10 Block Diagram

10.1. Power Supply

Power Supply
K-P.C.Board
MAIN POWER
F9101
SW9101
D9101
INLET
Ground
Lug
Power
Cord
Q3
L det
1
Lamp ON/OFF
2
A-P.C.Board
3
A4
ST1
4
ST2
5
Power Control
6
Vla check
7
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K1 P1
AC
RELAY
LINE
FILTERS
THERMOFUSE
P2
DC380 V
1
3
4 15 V
B1
1
Q9603
3
4
COLD HOT
PHOTO-
ISOLATORS
4 2
B4
B/Q-Module
Q2
Q-Module
(CONTROLLER)
SWITCHING
REGULATOR
POWER
RECTIFIER FACTOR
CORRECTION
SWITCHING
REGULATOR
Q107
15 V AVR
D D
Q9614
D9604
G G
S S
Q9604
STEP-DOWN CHOPPER
D9606
15 V Q9605
IC9603
HALF BRIDGE
DRIVER
Q1 B3 (MASTER)
43
SWITCHING STB 3.3 V
TRANSFORMER
PHOTOISOLATOR
AC
DETECTOR
HOT COLD
VOLT_DET
+17 V
A 6 V
SWITCHING
MC201
TRANSFORMER
1.5 V
FAN 14 V
D 3.4 V
D 3.4 V
MC202
ON/OFF
PHOTOISOLATOR
PHOTOISOLATOR
P-Module
D
D
D9608
Q9606 Q9610
G
G
S
S
Q9608
D9605 D9609
IGNITER
BLOCK
D
D
D9611
Q9607 Q9611
G
G
S
S
Q9609
D9607 D9612
IC9602
HALF BRIDGE
DRIVER
(SLAVE)
B-Module
PT-AX200U / PT-AX200E
14
15
3
5
11
A-P.C.Board
A6
1
7
8
13
LAMP
B5
B6