Panasonic PT-D3500U Series, Service Manual

Page: 53 / 93

14 Block Diagram
14.1. Power Supply
Power Supply
Igniter
Transformer
Lamp+
C9 D3
R10
L2
18V
PB3
DC380V
1
2
1
2
1
4
PA2
PA1 PB1
THERMOFUSE
SW
FUSE
F101
1
2
PB4
1
2
PB5
1
3
5
7
9
PB6
1
2
4
6
8
11 11
13
14
2.5V
3.3V
14V
STB 5V
5V
VOLTAGE DETECT
MAIN/STB
12V
2.5V
3.3V
5V
12V
FAIL SAFE SW
(BACK COVER)
5V
Q1
Lamp-
Ignition Pulse Voltage
typ.15kVo-p
Lamp Voltage
Vla:60~130V
Output Power
300W/240W/160W
Low Voltage
Power Supply
CN1
CN
2A
CN
2B
PWM
Control Current
Detector
Fixed Power
Control
Voltage
Detector
D/A
Converter
CPU
PB-Module
PA-Module
Power Cord
Power FACTOR
CORRECTION
LINE
FILTER
RECTIFIER
SMOOTHING
SMOOTHING
/REGULATING
VOLTAGE
DETECT
SWITCHING
TRANSFORMER
PHOTO-
ISOLATOR
PHOTO-
ISOLATOR
PHOTO-
ISOLATOR
SWITCHING
REGULATOR
COLD HOT
From
A-P.C.Board A5
Ballast Module
To
A-P.C.Board A43
To
FM-Module FM2
PT-D3500U / PT-D3500E
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