[TechAssist] Re: panasonic microwave NN-S740BA (inverter type) dead,fix

  • From: tjanphyl@xxxxxxxxxxxxxxx
  • To: techassist@xxxxxxxxxxxxx
  • Date: Tue, 21 Jun 2005 22:04:09 -0400

I kinda did that already, but thought I was cheating! (I had 20's, no 
odd-ball 18's in my fuse selection)And I don't usually advertise when 
I fudge;-)
Phil

----- Original Message -----
From: Jim Myers <jr.myers@xxxxxxxxxxx>
Date: Tuesday, June 21, 2005 5:38 pm
Subject: [TechAssist] Re: panasonic microwave NN-S740BA (inverter 
type) dead,fix

> Just so ya know Phil, there is a service bulletin to replace the 
> 18 amp 
> with a 20 amp. We have had the 18 amp blow repeatedly for no 
> reason, 
> save yourself a possible recall and install a 20 amp.
> 
> 
> ********************************
> Since 1972                     *
> Jim Myers                      *
> Telrad Electronics             *
> Fort Wayne Indiana             *
> ********************************
> 
> 
> Phil Bader wrote:
> > This is the newer ones woth an inverter circuit board in it. Has 
> a kind 
> > of flyback, two heavy plastic FETs in push-pull with other 
> parts. No 
> > large 2KV cap. Removed the bvoard and there were many cracked 
> > connections I fixed, no bad parts. (good cause it whsles for 
> $71.35 
> > exchange). It also uses a ceramic 18 amp line fuse. Unusal 
> amperage. 
> > Fuse open.
> > After resoldering the inverter board and repl. fuse unit 
> survived a 2 
> > minute "boil test" with water.
> > These I think are only about $79.00 or so new. The inverter at 
> > TritronicsItem #:  A606Y4T00AP  Your Price:  $71.35 EA  
> Description:  
> > INVERTER  Core/DUD Value:  $50.00 EA   Total Price:  $121.35 EA 
> Vendor:  
> > PANASONIC  Suggested Retail:  $141.87 EA On Hand:  INVENTORY 
> AVAILABLE 
> > IN MARYLAND AND FLORIDA ETA:  FOR IMMEDIATE SHIPMENT:
> > 
> > Stupid prices.
> > Phil Bader
> > 
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