Re: Samsung TV - panel broken - can repair or change ?
ok thank you
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Samsung TV - panel broken - can repair or change ?
Hello,
i have a broken panel on the UE49KU6400 as you can see in the picture. is there any way to repair the panel , or i need to change it? what are prices for that model panel number :CY-KK049HGEV2H?
thank you...
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Re: Polaroid TV switch off after logo display
yes thank you for your help, i will use the TV and see how much time it remains alive and let you know ... ( maybe with the led tester the high voltage shorted the bad leds and now i have more led working but maybe not for a long time ...will see)
thank you again for your help .
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Re: Polaroid TV switch off after logo display
i don't know why but i didnn't change anything just doing some tests and now the tv turns on normally , and i have now the voltages of the back light at 54v and it was before at 49.8v (when conncted with led tester) ... strange !!! maybe something is at the end of his life either backleds or on the boost circuit of the led-driver ? ... what do you think ...
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Re: Polaroid TV switch off after logo display
i tested the voltage on cables connected to the Backlight LEDs (PJ8 and PJ7 connectors) and on standby i have 26 v , but when i push the On button it raises quickly to 40v then goes back to 26v .
is that symptom of backlight issue ? or something bad on the board ?...
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Re: Polaroid TV switch off after logo display
thank you vinceroger69,
here what i found on the chassis (see attached picture) :
HK385LEDM-AH5BH.
how can i update the firmware as i can't turn the tv on ?
thank you for your help...Last edited by coax81; 08-13-2020, 09:57 AM.
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Polaroid tql39r4pr002 TV switch off after logo display
Hello,
i have an issue with my polaroid TV Model : tql39r4pr002
the standby led is red , and when i turn on the TV it shows the polaroid logo and turns off, also the standby led switches to blue the back to red .
capacitors are apparently ok, i have 320V in the smoothing primary capacitor, and 13V in the diodes in the secondary.
i don't understand why the mainboard switches to this mode and don't turn on.
don't find any service manual for this model ,or the main board schematic. cv9203h-a42
thank you for your help....
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Re: New Members - please post your introductions here
hello i am 40 years old i studies electronics as a hobby ... i like repairing electronics devices.
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