Question about Polaroid FLM-323B Television

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Flm-323b Blowing Fuses

This Tv is blowing fuses Shown is a partial schematic and a data sheet of components involved.

Q2 and he Zener on the source were shorted. I replaced Q2 with a FVP 11N60 and the zener. I then had 5VSB and led lit. I hit the on/off switch and the led turned blue then in about 5 seconds the fuse blew again. Q2 and the zener are shorted again. The source has 5 resistors to ground all marked 1R5 which I take to be 1.5 ohms.

I did peplace the 2 infamous caps in this power supply BTW this is a 200-P00-MLT666A-AH I do have the full schematic and working on a parts list with Mouser stock numbers and digital macros of trace brd to sell later on.

There are no other signs of bad components or ohmed shorts.

schematic http://cabaret-karaoke.com/fix/_1.PDF

data sheet http://cabaret-karaoke.com/fix/Q2.pdf

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  • karyoker May 23, 2009

    I did misread the transistor It is an 18N60 which is an 18 amp versus 11 amp....(11N60)

  • karyoker Jun 07, 2009

    The SMD markings are 470 on both I do have the schematic for the AH it should be similar.

  • James Hazel May 11, 2010

    One thing you should get is an esr meter so you can check all the
    electrolytic caps on board as it saves time. I am having a hell of a
    time trying to find schematics for this board. So this board is used in
    POLAROID 2611-TLXB and FLX3211B Element LCD TVs. My board is
    200-P00-MLT666A-BH which i think is very similar to the
    200-P00-MLT666A-AH. I checked the back of the board and can tell that
    R47and R48 are burnt and I can't see the values. Do you know the values?

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SOURCE: I picked up one off of ebay too and trying to figure it out...

Hi, both are 47R
They are labeled 470 i.e 47 and no zero's

Posted on Sep 23, 2009

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SOURCE: flm323b power supply

Replace Q2 by 18N50, Q8 and Q9 by STP6NK60 and Z2 and Z4 by !n4739. I have the same problem and fix it.

Posted on Sep 30, 2010

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