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Troubleshooting Flowchart 2006 DLP
From Chart 1
Unplug the TV
from AC and
remove the back
cover
Remove 2 screws
holding the optic
engine in place
and slide back to
gain access.
Re-Apply AC and
Power the set on
using the power
button.
See
Footnote 1.
Does the Color
Wheel Start?
No
Check Ribbon Cable from
the Color Wheel to the
DMD Formatter Board.
Connector labeled [CW
OUT] on Formatter Metal
Shield
Problem
Resolved?
Yes
Repair
Connections
Footnote 1. The Color Wheel will emit a high pitched whine when the TV Receiver is first turned on.
______________________________________________________________________________
2007 Toshiba America Consumer Products, LLC.
SMART2006001_Version2.2
"Lamp Fails To Start" (Chart 2)
DMD Formatter PCB
12v present on
J11 Pins 1,2?
Yes
Approx 300v
Yes
present across
P811A?
Yes
Check for 5vdc on
pin 3 of plug CN3
on the Ballast
Board (5 pin plug)
No
Fig. 1
Is the 5vdc
present?
Replace Optical
Engine
Check Chassis
No
Power Supply
Ballast Power Supply PCB
120vac across
No
P807B?
Pin 1
Plug
Pin 2
CN3
Pin 3
Pin 4
Pin 5
Fig. 1
Yes
No
Replacing the Light Engine under
Warranty requires a concession number
to be obtained from Technical Support.
1-800-345-9785
17
V1.0
Reset Thermal
Sensor
Yes
No
Is Thermal
Yes
Sensor across
P805 Open?
No
Black
Change Ballast
Brown
Power Supply
Red
Orange
Yellow
Go to Chart 3
Page 3 of 12
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