Panasonic TX-42ASE650, red LED blink every 4 seconds


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Panasonic TX-42ASE650, red LED blink every 4 seconds

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khz01
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Sep 30, 2018, 7:26 PM

Post #1 of 3 (1277 views)
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Panasonic TX-42ASE650, red LED blink every 4 seconds	Can't Post

This Panasonic LED TV TX-42ASE650 tries to turn on with green LED blinking normally. Backlight flashes shortly 3 times and then it goes to standby with red LED blinking every 4 seconds.

It looks like all LED strips are working in the backlight.
There are some thin green lines on the screen when flashing.

The main board has been exchanged with no result.

What could be the next step?

khz01
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Oct 6, 2018, 10:44 AM

Post #2 of 3 (1237 views)
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Re: [khz01] Panasonic TX-42ASE650, red LED blink every 4 seconds [In reply to]	Can't Post

Have dismantled the TV set.
a) Lower LED strip didn't flash
b) Tested the strip with 25 v and all LED lighted up
c) Conclusion ...Power Supply defect!

Agree?

khz01
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Oct 9, 2018, 8:05 PM

Post #3 of 3 (1220 views)
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Re: [khz01] Panasonic TX-42ASE650, red LED blink every 4 seconds [In reply to]	Can't Post

No it was not the PS.
But a bad soldering on the wire between PS and LED

Bye!

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