Polaroid FLM-3701 no power/ standy light
Everything looks good no fuses blown maybe the lower bottom cap might be bulged a little but nothing I can see, I order a cap kit today , Am I on the right track?
Attached Files
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Re: Polaroid FLM-3701 no power/ standy light
It could be the angle of the pic, but it looks like you have quite a few blown caps on the left side of pic 2. I count 8 - possibly 9. I can't clearly see the cap closer to the top of the pic on the left side (E3). That would be the possible 9th blown cap.
I've attached a pic of two caps, just in case you're not sure. The cap on the left with the domed top is bad, while the cap on the right is visibly fine.Attached FilesLast edited by capkid; 04-14-2015, 09:41 PM. -
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Re: Polaroid FLM-3701 no power/ standy light
Looks like at least 9 bad caps with domed tops to me too.Never stop learning
Basic LCD TV and Monitor troubleshooting guides.
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Voltage Regulator (LDO) testing:
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Re: Polaroid FLM-3701 no power/ standy light
Thanks guys appreciate itComment
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Re: Polaroid FLM-3701 no power/ standy light
Don't run to Radio shack.
Get Panasonic FC or FM capacitors from Digikey. Select USPS First class mail for shipping and that way is pretty cheap.
Once I have repaired one of these too.
I remember, that somebody created a site on how to repair these.Comment
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Re: Polaroid FLM-3701 no power/ standy light
About bad caps on the Polaroid FLM-3701:
The nine big output caps E8 thru E17 go bad and they will be obviously swollen. E8 - E13 are 680uF 35v and E15 - E17 are 680uF 25V.
However, there are three small 22uF 50V caps that also go bad. They look normal. They do not swell. They are E7, E8, and E22. Be sure to check those with an ESR meter.Attached FilesComment
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Re: Polaroid FLM-3701 no power/ standy light
Them bad caps are just the start ! You probably have the secondary output failure basically on these Kas boards bad caps cause a small Smd diode to fail which causes no standby.Please Do Not PM My Page Asking For Help Badcaps Is The Place For Advise, Page Linked For Business Reasons Only. Anyone Doing So Will Be Banned Instantly !
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Re: Polaroid FLM-3701 no power/ standy light
I have the somewhat similar Polaroid flm-373b that I have repaired twice but now , even after replacing all the caps again , it has no standby light . No indicator light at all and fuse(s) look good. Could you elaborate a bit on which diode i should check ? Would it be better at this point to replace the whole board ?Comment
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Re: Polaroid FLM-3701 no power/ standy light
I see 8 bulged caps...ASRock B550 PG Velocita
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Hello Community!
CASE DETAILS
Promblem Signs: Backlight on 1 sec off 7sec > repeat && Red standby light: 1blink, off 3 sec, 2 blinks, off 5 secs, 2 blinks, off 3 sec, restart cycle
13V present on powerboard output. Backlight continues flashing after removing cables to pannel one at a time and even with both disconnected. NOTE: backlight STOPs flashing and remains on when connector between powerboard and mainboard (note Tcon built in) is disconnected.
Tried inserting firmware on USB and left it in for a few hours, but no change
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