— 3 —
2-2. Protection Circuit 1
13V
5V
3.3V
KEY
PW265
MAIN CPU
Sub CPU
Display Controller
DDP1000
DAD
CW
DMD Controller
FAN
Thermistor
Detects abnormal
condition
Detects abnormal condition
T
e
mperature
Surplus voltage
Surplus current
Thermostat
Monitors runaway
User
2
Requests lighting
1
ON Key
Monitors
runaway
3
Requests
lighting
Detects abnormal
condition
Detects abnormal
condition
4
Permits lighting
6
Lighting signal
5
Lamp output 250W
Detects abnormal
condition
Detects abnormal
condition
Detection SW
Detects abnormal
condition
AF/Zoom Motor
POWER SUPPLY
330W
Lamp
Summary of Contents for XJ-450
Page 1: ...R XJ 450 MAR 2004 without price Ver 7 Feb 2006...
Page 9: ...7 3 3 Basic structure...
Page 51: ...49 131 112 113 116 120 123 124 133 135 137 127 129 130 131 131 117 118 134 111 128 136 119...
Page 56: ...54 13 Schematic Diagrams Main PCB 1 7 PW BLOCK...
Page 57: ...55 Main PCB 2 7 VGA INTERFACE...
Page 58: ...56 Main PCB 3 7 VIDEO BLOCK...
Page 59: ...57 Main PCB 4 7 MEMORY CONNECTOR BLOCK...
Page 60: ...58 Main PCB 5 7 DMD INTERFACE...
Page 61: ...59 Main PCB 6 7 SUB CPU BLOCK...
Page 62: ...60 Main PCB 7 7 IP00C782 BLOCK...
Page 63: ...61 Jack PCB PWB G790 C 3 Connector PCB PWB G790 C 7 Infrared PCB PWB G790 C 4...
Page 64: ...62 Key PCB 1 2 PWB G790 C 5...
Page 65: ...63 Key PCB 2 2 PWB G790 C 6...