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Equipment Repairs => LCD TV forum => Topic started by: sparky on October 16, 2009,14:25:40

Title: mikomi lcdw19hd
Post by: sparky on October 16, 2009,14:25:40

Hi
I have the above tv, when switched on standy light
flashes, then dead checked the power panel
no signs of faults no 5v or 12v ,changed eprem
ic in case still same ,help if poss vestel 171ps01-2
chassis
sparky

Title: Re: mikomi lcdw19hd
Post by: WILLYAM1 on October 16, 2009,15:07:46

hi sparky.
is power supply ok.
if ok try to chek all small regulators 2.5 1.8 3.3v in main board.
beter to check whith scope.
willyam1

Title: Re: mikomi lcdw19hd
Post by: sparky on October 16, 2009,15:13:34

Thanks for reply
I don't semm to get any voltage from
power panel? checked caps,resisters,diodes
supply to transformer ok,no shorts or overheating
sparky

Title: Re: mikomi lcdw19hd
Post by: t1412 on October 19, 2009,03:43:06

hello sparky i help a chap that brought a load tv in and if i'm right the power packs were the trouble but.  mine just thought.

shaun

Title: Re: mikomi lcdw19hd
Post by: sparky on October 19, 2009,06:53:04

hi
it don'st have a separate psu,
 it build in with inverter
sparky

Title: Re: mikomi lcdw19hd
Post by: Turnip on October 19, 2009,09:39:37

Hi Sparky,

  Wonder if that Vestel Power/Invertor is used in other sets, a pic would be nice for the collection.

  Thanks - Chris.

  PS - for fun attach another that is giving me real pain - any thoughts ?

Title: Re: mikomi lcdw19hd
Post by: sparky on October 19, 2009,10:05:33

hi
can't post pic cust fetched it back
sparky

Title: Re: mikomi lcdw19hd
Post by: Turnip on October 21, 2009,11:22:36

Hi Sparky,

  Tend to take pics intially, possibly due to my lack of confidence in getting all the plugs back in the right places.

  Used to be the case where other local technicians, finding my foul-ups would demand a pint locally, or broadcast my errors to the locals.

  Last to the bar - Chris.

Title: Re: mikomi lcdw19hd
Post by: sparky on October 21, 2009,11:29:32

Hi
thats a good idea with camera before dismantling
should not get crossed connectors
sparky

Title: Re: mikomi lcdw19hd
Post by: Turnip on October 21, 2009,12:07:38

Hi Sparky,

  Hope for lots'a future pics, or the drinks are on you - Chris.

Title: Re: mikomi lcdw19hd
Post by: sparky on October 21, 2009,13:45:51

Hi Turnip
here is 2 for your libruary bought from a car boot sale
stall-holder said they were from a computer ha ha
paid £5 for both tested ok
pcb no MLT070A
pcb no L32U25-200C
pic enclosed
sparky

Title: Re: mikomi lcdw19hd
Post by: Turnip on October 22, 2009,08:01:35

Hi Sparky,

   Wot a bargain, must try car boots - bet you haven't got a good Proview MLT198H, had a burn up in this morning

   Chris.

Title: Re: mikomi lcdw19hd
Post by: sparky on October 22, 2009,08:34:21

hi
sorry no i will keep eyes open
sparky

Title: Re: mikomi lcdw19hd
Post by: Turnip on October 22, 2009,12:25:01

Hi Sparky,

   Troublesome as ever, but with an improving data-base. Who made the L32U25 - 200C P/S ?
   Well folks might want to know, and you might be first to the bar - yet again.

    Chris -  only on tea - well it's cheaper, only half the price.

Title: Re: mikomi lcdw19hd
Post by: sparky on October 22, 2009,12:37:55

Hi
I believe its from a logic/polaroid lcd
made in china( per chs site)
sparky

Title: Re: mikomi lcdw19hd
Post by: sparky on October 22, 2009,12:44:30

ref scrap sets
try add mag few listed with screens damaged
 they say working worth a try
you can pick them up for about 40-50 squid
sparky