Question about Mitsubishi WD-52725 52". Rear Projection HDTV
Code 12 means no error detected. However when your lamp wont light and you have replaced the lamp it is usually traced to the cpacitors on the PWB PCB that need replacement. You can get a repair kit for that model at the following link. Its called the V26 PWB PCB repair kit. which contains all the capacitors and a CD with the capacitor board locations and disassembly instructions and board Identification and full Service manual for that model DLP. Heres the link.
Posted on Jun 30, 2008
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Posted on Jan 02, 2017
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Dec 06, 2007 | InFocus LP 735 Multimedia Projector
Apr 08, 2015 | Mitsubishi WD-65731 65-Inch 1080p DLP HDTV
The front panel Status LED provides an indication of
the set's operation and the possible cause of a malfunction.
If an abnormal condition is indicated, perform the
Self Diagnostics procedure.
To activate, press the front panel <ACTIVITY> &<CH
??> buttons at the same time and hold for 5 seconds.
The STATUS LED will then flash denoting a two digit
• The number of flashes indicates the value of the
MSD (tens digit) of the Error Code.
• The flashing then pauses for approximately 1/2
• The LED then flashes indicating the value of the
(ones digit) of the Error Code.
• The Error Code is repeated a total of 5 times.
Example: If the Error Code is "23", the LED
will flash two times, pause, and then flash three
Table 2-2: LED Indications
Error Codes, descriiptions and the most likely cause of
the error are listed in Table 2-3.
Note: The TV must be in "Shut Down." The LED
will probably be indicating an abnormal
condition. If the TV is switched Off, AC is
removed, or a System Reset is performed, the
code automatically resets to "12" No Error.
See the Error Code Log to retrieve a history of
Note: Use the front panel buttons, not the remote
Note: If there is no response, the front panel may be
locked by a V-Chip setting. To unlock, press
and hold <ACTIVITY> on the front panel for
LED Indication Condition
Off Off (standby)
Green Power On
Slow Blink Green Power Off with Timer Set
Fast Blink Green (80 seconds) > Off Power Off (Cooling fan still working, 80 sec)
LED Indication Condition
Red Lamp Failure
Yellow TV Too Hot
Slow Blink Red TV May Require Service
Slow Blink Yellow Lamp Door Open or No Lamp Installed
ABNORMAL INDICATIONS (For details perform Self Diagnostics Procedure.)
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