Question about Protron PLTV-4250 42 in. LCD Television
On saturday morning I was watching tv on the tv when dead no more power nothing.
I've been looking for a 6.5a 250v fuse but cannot find one. Any suggestions?
Posted on Feb 09, 2010
If you dont find an answer i would buy the screen for you, i cracked mine
Posted on Dec 04, 2008
Protron PLTV 4250- wont turn on-
Had the same problem with one here- The 110v end of the power supply board was found damaged, The following items may need to be replaced:
Fuse F1 (soldered in) . 6.5a @250v time delay
Mouser 576- 021506.3HXP – note this style is for a fuse holder instead of solder in- I added a fuse holder on the board
RT4 & RT5 inrush surge suppressors - I used shintron 8d-18 power suppressing thermistors
BD1 bridge rectifier - Mouser 627-D15 XB 60H Shindengen
If you want a little more protection modify the board as follows:
1.replace only RT5 in its original location & move RT4 into the other ac input line in front of the bridge rectifier. (cut trace & drill solder holes)
2. Add: MOV (metal oxide varistor) across ac inputs of bridge rectifier.
Maida mdc-z481-8oul or D69 ZOV 481 RA 105
This arrangment is copied from a samsung power supply.
Be careful when plugging in the I/O box on the outside cover, if any pins are inadvertantly bend loss of picture will result.
I have pics if anyone needs them .
Posted on Nov 24, 2008
I have a proton 42' on the power ligth signal, when I turned on the ligth goes green and then yellow and finally red never , the screen turns blue for a sec then black
Posted on Feb 01, 2009
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Posted on Jan 02, 2017
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