Block Diagram; Power Supply - Panasonic PT-DW5100EL Service Manual

14 Block Diagram

14.1. Power Supply

Power Supply
THERMOFUSE
1
P1
SW
FUSE
F102 LINE
FILTER
Power Cord
VOLTAGE
DETECT
Power Module
2
FUSE
Power FACTOR
CORRECTION
F103
RECTIFIER
FUSE
Power FACTOR
CORRECTION
F101
SMOOTHING
SWITCHING
TRANSFORMER
SMOOTHING
SWITCHING
REGULATOR
PHOTO- SMOOTHING
ISOLATOR
/REGULATING
PHOTO-
ISOLATOR
PHOTO-
ISOLATOR
HOT COLD
REGULATING
Q1
CN1
R4
From
CN2
A-P.C.Board A5
P2
DC380V
1
2
P3
1
CN1
2
From
CN2
A-P.C.Board A5
P5
VOLTAGE
1
To
DETECT
A-P.C.Board A43
2
MAIN/STB
P4
1
2.5V
3
3.3V
5
5V
To
7
A-P.C.Board A42
12V
9
14V(FAN)
11
STB5V
13
STB3.3V
P7
1
2.5V
2
4 To
3.3V
FM- Module FM2
6
5V
8
12V
49
PT-D5700U / PT-D5700E / PT-D5700UL / PT-D5700EL / PT-DW5100U / PT-DW5100E / PT-DW5100UL / PT-DW5100EL
L2
Q14 Q16
D1 C1
Igniter
Q15 Q17
Transformer
Bridge Driver
PWM Current Voltage
Control Detector Detector
CPU
D/A
Fixed Power Converter
Control
Igniter Voltage
10kV(max.)
Lamp Voltage
Ballast-1 Module
74-150V AC
Output Power
315W/300W/240W
Ballast-2 Module
*See Ballast-1 Module for the circuit.