Epson PowerLite 5000 Service Manual page 40

EPSON PowerLite 5000 Service Manual
Main Board Circuit Block
Connects to Connects to
Power Supply AU Board
CN800 CN603
DC Power Control
•
Input
Power
ON/OFF
+5 V
•
Lamp power
+3.3 V
•
Backup Power
+12 V
Control
+22 V
LV Thermistor
CN803
Lamp Thermistor
CN804
PBS Thermistor
CN860
CN805
RD0~7
Connects to
GD0~7
Driver
CN
Board
BD0~7
700
Display
Timing
Computer IN1 J300
Computer IN2 J301
J302
Monitor
Connects to
CN300
AU Board
CN601
CN602
LED Indicator
IC600
Power
Management
Audio Control
Indicator Driver
EEPROM
+12 V
Regulator
IC700
Digital Video Controller
Clock
IC900
Clock/Delay Control
RGB Input
Line Buffer
RGB Input
Line Buffer
Digital
RGB
Output
Driver
D/A Converter
Video Input (Analog)
OSC
Figure 2-9
Connects to Left Speaker
Connects to Right Speaker
Connects to CN Board
CN802
RDI0~7
IC100
GDI0~7
CPU
BDI0~7
R/G/B
D/A
Gate
Converter
Timing
IC316
A/D Converter
2-10
Connects to
Connects to
Exhaust Fan
Control Panel
CN806 CN600
+12 V
Switching
IC601
Circuit
A A M
0 D A
8 C
7 8
22
17
Bus Buffer/
Control
XA0~7
XD0~7
MD0~95
MA0~19 SRAM
RAS/CAS
PAD0~23
PBD0~23
ADC
ADC
PDA0~15