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Equipment Repairs => LCD TV forum => Topic started by: call me al on January 16, 2016,17:16:12

Title: Samsung ue40f5500
Post by: call me al on January 16, 2016,17:16:12

Hi All Have a Samsung UE40F5500 Not coming on red light blinking tryed unpluging main board from psu the leds come on flashing rapidly, took screen apart to have closer look and all leds are lighting up flashing .The supply voltages look ok not varying ,any ideas very welcome

Title: Re: Samsung ue40f5500
Post by: downunder on January 17, 2016,04:24:21

Hi Al,
So far you have eliminated the main board and probably the LED backlights from being the cause of the problem. Just leaves the IP board. Have you monitored voltages such as INV-ON (=BL-ON), PWM and ERR. May give a clue.                    Bruce

Title: Re: Samsung ue40f5500
Post by: thoma on January 18, 2016,07:08:32

2013 Samsung TV and Certification course (long version)
Do you have?Thank you for short version!
regards thoma!

Title: Re: Samsung ue40f5500
Post by: thoma on January 18, 2016,08:33:13

As you can see in the index there are more than 88 pages only for led tv
someone reduced the whole to 26 pages!The most is missing!!
Hope that someone can upload complete!

Title: Re: Samsung ue40f5500
Post by: downunder on January 19, 2016,04:19:42

Not my doing, Thoma. I merely attached what I have, but if you're keen, I've uploaded UE50F6400 service manual to Uploads/My Files. Different model number,
I know, but may be reasonably similar.                           Bruce

Title: Re: Samsung ue40f5500
Post by: jordan on January 19, 2016,12:06:33

UE40F5500

Title: Re: Samsung ue40f5500
Post by: call me al on January 19, 2016,16:16:17

Many thanks for all info got back to check voltages today 13v rail is gone low only 7.5 v and backlights are off now, looks like power supply is the problem,have gone round checking components but no joy,might chance ordering a panel ,

Title: Re: Samsung ue40f5500
Post by: thoma on January 20, 2016,06:12:46

http://www.electronica-pt.com/esquema/tv/samsung-esquemas-tv/samsung-ue40f5500-training-29695/