LP500 Series Service Manual
100
Block Diagram
Deinter-
lacer
Analog to
Digital
Converter
Digital
Receiver
D-24b RGB
D
ig
ita
l V
ideo B
us
TI Formatter
Bias setting ICs
Color wheel
motor control
Frame formatting
3V
Rear IR receiver
0V
Gnd
Vcc
5V
12V
Lamp
Lamp HV
Safety switch cable
Reset
PixelWorks
ASIC
Image processing
System management
8 Mb Flash
Sync
M1 di
gi
ta
l or
analog c
onnec
tor
Lamp blower
Lamp fan
Front fan
Grnd
Grnd
RGB
Thermistors
USB
Receiver
Power Supply / Ballast
Power supply fan
Gnd
+3.
3V
Top IR receiver
IR
ECA
5V
3.
3V
3.
3V
N/
A
Grnd
-
8V t
o - 9.
2V
Lamp Lit
3V lit
0V not lit
Gnd
Lamp
door
interlock
switch
Thermal
switch
on lamp
housing
I
2
C
Audio mixer
Amplifier
Speaker
Fan fail
Fan fail
Fan fail
Fan fail
Video
Decoder
E
xpans
ion
Module
Keypad
controller
Fan
control
DMD
Composite
SVideo
Color
wheel
Keypad
Audio In
RS232
Lamp enable
Lamp
enable
5V lit
Power Supply / Controller connector
See
Controller Voltages
for specific information about voltages (page
99
)
Summary of Contents for LP500
Page 1: ...Service Guide for the LP500 LP530 ...
Page 7: ...LP500 Series Service Manual 7 Parts Replacement Replaceable Part Hierarchy ...
Page 25: ...LP500 Series Service Manual 25 This page intentionally left blank ...
Page 26: ...LP500 Series Service Manual 26 This page intentionally left blank ...
Page 86: ...LP500 Series Service Manual 86 Dead page 51 ...
Page 87: ...LP500 Series Service Manual 87 fansnolamp page 101 page 51 page 30 page 101 page 51 ...
Page 88: ...LP500 Series Service Manual 88 fansdies4times page 58 page 13 page 112 ...
Page 89: ...LP500 Series Service Manual 89 blinksgreen page 51 page 106 page 30 page 101 page 60 page 30 ...
Page 90: ...LP500 Series Service Manual 90 shutsdown30sec page 102 page 30 ...
Page 91: ...LP500 Series Service Manual 91 prematureshutdown page 105 page 58 page 51 page 30 ...
Page 93: ...LP500 Series Service Manual 93 noimage page 30 page 60 ...
Page 94: ...LP500 Series Service Manual 94 badcolor page 30 ...
Page 95: ...LP500 Series Service Manual 95 dim page 13 page 30 page 60 ...
Page 96: ...LP500 Series Service Manual 96 Troubleshooting Keypad Problems page 22 page 30 ...
Page 97: ...LP500 Series Service Manual 97 Troubleshooting Remote Problems page 23 page 30 ...
Page 98: ...LP500 Series Service Manual 98 Troubleshooting Menu Problems page 96 page 97 page 30 ...
Page 101: ...LP500 Series Service Manual 101 Check controller voltages ...
Page 109: ...LP500 Series Service Manual 109 ...