Troubleshooting
6-2
Samsung Electronics
< Blinking Temp LED >
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Yes
CN105
Check Temp Sensor
connector CN105 on
Sub-Detect Board
Install jumper across
Temp Sensor Terminals
Does it work?
Replace Temp. Sensor
Re insert
the Connector
Replace
Actuator board
Do fan(s) run?
Does color wheel run?
Replace color wheel assy'
Is lamp on?
Replace DMD Board
Check 280V DC to lamp ballast(CN1)
Measure with DC meter
Does lamp
come on, then
shut off?
Replace Power Board
Re-install lamp assy'
Check pin 1 on CN503
on DMD Board for 5V DC
Check 5Vpp at CN503
pin 3 on DMD Board
Replace lamp assy' or ballast
Replace DMD Board
Replace ballast or lamp assy'
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Yes
Temperature Sensor
A blinking lamp LED is the most common failure indication. It can be caused by no lamp, no color wheel, no fan(s), or other
defective components.
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Страница 55: ...Wiring Diagram Samsung Electronics 8 1 8 Wiring Diagram 8 1 Overall Wiring Front LED ...
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Страница 102: ...Schematic Diagram 10 36 Samsung Electronics 10 5 Ballast This Document can not be used without Samsung s authorization ...
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Страница 127: ...Disassembly Reassembly Samsung Electronics 12 5 Part Name Description Description Photo Digital Board Digital Board ...
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