Block Diagram; Power Supply - Panasonic PT-P1SDU Service Manual

10 Block Diagram

10.1. Power Supply

Power Supply
F9101 D9101
LINE
FILTER
K-P.C.Board
AC IN
Ground Lug
Power Cord
B2
L det
1
Lamp ON/OFF
2
3
POWER CONTROL
4
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K1 P1
LINE
RECTIFIER
FILTER
THERMOFUSE
K2
P2
DC380 V
1
3
15 V
4
B1
1
Q9603
3
4
COLD HOT
STEP-DOWN
CHOPPER
PHOTO-
ISOLATORS
B4
B/Q-Module
Q2
Q-Module
(CONTROLLER)
HOT COLD
POWER
SWITCHING
FACTOR
TRANSFORMER
CORRECTION
IC101
SWITCHING
REGULATOR
PHOTOISOLATOR
15 V AVR PHOTOISOLATOR
D D
Q9606
D9604
S S
G
G
Q9604
D9605
D
D9606 Q9607
S
G
15 V
Q9605
D9607
IC9603
HALF BRIDGE
DRIVER
Q1 B3 (MASTER)
39
P3 A12
1 1
FAN 14 V
SMOOTHING
+17 V 4 4
SMOOTHING
+6 V 5 5
SMOOTHING
3.3 V 7 2
SMOOTHING/
REGULATING
8 3
STB 3.3 V 11 6
12 7
MAIN/STB
A18
MAIN/STB
P-P.C.Board
Q9610
D
D9608
S
G
Q9608
D9609
LAMP
B5
IGNITER
BLOCK
Q9611
B6
D
D9611
S
G
Q9609
D9612
IC9602
HALF BRIDGE
DRIVER
(SLAVE)
B-Module
PT-P1SDU / PT-P1SDE / PT-P1SDEA
A-P.C.Board
STB 14 V
17 V
6 V
+3.3 V
STB 3.3 V
DPOFF 7 V
DIRECT POWER OFF
A10
3 1
13.5 V from 13.5 V to
super C super C
3 1
Z1
CAPACITORS
Z-P.C.Board