Question about Akai LCT2660 26 in. HD-Ready LCD Television
#LCT26Z4AD, No Picture & No sound. Red LED on. When power on, 5 second Green
LED on then 1 second off and 1 second on Green LED again then back to Red LED on.
So TV does not get picture and sound. I took it apart and there does not seem
to be any bulging caps on the power supply board or anything visibly burned. I
scanned solder joints on the boards and they looked ok for TV sets with no
visible cold or over heated ones. The voltages come up to full value when the
power green light is on and when the back light tries to light with 3 fast
striking/arcing sounds deep in the set the power supply will shut down. I assume back light is florescent and the
striking sound is a ballast of some kind. It sounds like a possible bad solder
joint on power supply or bad cap????
Any comments are appreciated.
If the power supply outputs are good! Then I would say the back light inverter is bad! If the screen stays black and does not come on.
Posted on Feb 28, 2009
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Posted on Jan 02, 2017
Tips for a great answer:
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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