[TechAssist] Re: FIX Mitsubishi VS-55707, VZ8 chasssis. dead,push power, double click

  • From: "tvservice" <tvservice@xxxxxxxxxxxxx>
  • To: <techassist@xxxxxxxxxxxxx>
  • Date: Thu, 12 May 2005 12:56:34 -0500

The diode I used to replace in my set was used in Samsung smps which is fast
switching
Robert
tvservice@xxxxxxxxxxxxx
H & H Electronics Inc

----- Original Message ----- 
From: "becyn" <becyn@xxxxxxxxxx>
To: <techassist@xxxxxxxxxxxxx>
Sent: Thursday, May 12, 2005 10:55 AM
Subject: [TechAssist] Re: FIX Mitsubishi VS-55707, VZ8 chasssis. dead,push
power, double click


> Did either one of you lovebirds verify  if this is a
> fast recovery type? Using a slow diode in a SMPS secondary might
> run hot  and eventually fail as you mention.
>
> Jim McVey
> McVey Alltronix
> 327 Broadway
> Newburgh N.Y. 12550
>
> "If it doesn't play...
> CALL MCVEY !!!!!!"
> Factory authorized
> service for over 20
> major brands.
> 845 561 8383
> (Last of the Mohegans)
>
> tvservice wrote:
>
> >WOW
> >you kiss long and hard! ;>)
> >My customer said it just went out while watching
> >no apparent reason, it does run hot but mine still running
> >Robert
> >tvservice@xxxxxxxxxxxxx
> >H & H Electronics Inc
> >
> >
> >----- Original Message ----- 
> >From: "Phil Bader" <tjanphyl@xxxxxxxxxxxxxxx>
> >To: <techassist@xxxxxxxxxxxxx>
> >Sent: Thursday, May 12, 2005 8:46 AM
> >Subject: [TechAssist] FIX Mitsubishi VS-55707, VZ8 chasssis. dead,push
> >power, double click
> >
> >
> >
> >
> >>Come here,Robert...I'm gonna kiss ya!
> >>That diode was the fix. I didn't have any of the ones you mentioned, but
> >>found another Mits PTV diode that looked exactly like it: FMLG16 which
> >>also crossed to your NTE598, also a fast 8 amp device. The set looks
good.
> >>For the record, D971 was a # 264P794010 / HERA806G.
> >>Seems to cross to NTE598 (600V  Vrrm,600V Vrwm, Aver. rectified forward
> >>current: 8A)
> >> Do you think this was a result of a surge?
> >>Phil Bader
> >>
> >>Philip Bader
> >>Jan Phyl TV Inc. (estab. 1976)
> >>3420 Recker Hwy. Winter Haven, Fl. 33880
> >>Fax (863) 299-8821
> >>email: tjanphyl@xxxxxxxxxxxxxxx
> >>
> >>
> >>
> >>tvservice wrote:
> >>
> >>
> >>
> >>>Yes D971 was only part needed
> >>>been running all day
> >>>I used a Samsung #0402-001230 generic FMG-G2CS
> >>>I had in stock
> >>>NTE598 will work
> >>>Robert
> >>>tvservice@xxxxxxxxxxxxx
> >>>H & H Electronics Inc
> >>>
> >>>
> >>>----- Original Message ----- 
> >>>From: "Phil Bader" <tjanphyl@xxxxxxxxxxxxxxx>
> >>>To: <techassist@xxxxxxxxxxxxx>
> >>>Sent: Wednesday, May 11, 2005 12:18 PM
> >>>Subject: [TechAssist] Re: Mitsubishi VS-55707, VZ8 chasssis. dead,push
> >>>power, double click
> >>>
> >>>
> >>>
> >>>
> >>>
> >>>
> >>>>Yes! My D971 is shorted. Was this your complete fix?
> >>>>Thanks.
> >>>>Phil Bader
> >>>>
> >>>>Philip Bader
> >>>>Jan Phyl TV Inc. (estab. 1976)
> >>>>3420 Recker Hwy. Winter Haven, Fl. 33880
> >>>>Fax (863) 299-8821
> >>>>email: tjanphyl@xxxxxxxxxxxxxxx
> >>>>
> >>>>
> >>>>
> >>>>tvservice wrote:
> >>>>
> >>>>
> >>>>
> >>>>
> >>>>
> >>>>>Check diode D971 on the +130 volt source for short
> >>>>>It's a 8 amp rectifier mounted to heatsink
> >>>>>Number on it is HERA806G Mits# 264P794010
> >>>>>just fixed this same problem last night.
> >>>>>Robert
> >>>>>tvservice@xxxxxxxxxxxxx
> >>>>>H & H Electronics Inc
> >>>>>
> >>>>>----- Original Message ----- 
> >>>>>From: "Phil Bader" <tjanphyl@xxxxxxxxxxxxxxx>
> >>>>>To: <techassist@xxxxxxxxxxxxx>
> >>>>>Sent: Tuesday, May 10, 2005 4:00 PM
> >>>>>Subject: [TechAssist] Mitsubishi VS-55707, VZ8 chasssis. dead,push
> >>>>>
> >>>>>
> >power,
> >
> >
> >>>>>double click
> >>>>>
> >>>>>
> >>>>>
> >>>>>
> >>>>>
> >>>>>
> >>>>>
> >>>>>
> >>>>>>Customer said months ago there was a power surge (or interruption)
at
> >>>>>>their home. When power restored, TV stayed off. Power company said
no
> >>>>>>way it was their fault.(yeah).
> >>>>>>All fuses I find OK. Main AC fuse OK, FC902 (2A GMA) ,FC903 (4A
GMA),
> >>>>>>F904(6.3A GMA).
> >>>>>>Has 5.01 VDC at I/R det diode sensor. Has +12VDCs. Nothing looks
> >>>>>>damaged.Push power button on remote, power relay does a quick
> >>>>>>
> >>>>>>
> >>>>>>
> >>>>>>
> >>>>>>
> >>>>>>
> >>>>>double-click.
> >>>>>
> >>>>>
> >>>>>
> >>>>>
> >>>>>
> >>>>>
> >>>>>>I unplugged the removable anode from top of flyback that goes over
to
> >>>>>>seperate HV divider block, no help. Both HOT power transistors OK:
> >>>>>>
> >>>>>>
> >Q5A00
> >
> >
> >>>>>>and Q5A02.
> >>>>>>Downloaded  a few tips... "heck pin 20 IC700 (AC off) for 0 volts.
If
> >>>>>>high leaky diode D980" Volts are zero, so thats OK.Never hear any
> >>>>>>HV,just double relay click.
> >>>>>>Nothing in my emails.
> >>>>>>Phil Bader
> >>>>>>
> >>>>>>-- 
> >>>>>>
> >>>>>>Philip Bader
> >>>>>>Jan Phyl TV Inc. (estab. 1976)
> >>>>>>3420 Recker Hwy. Winter Haven, Fl. 33880
> >>>>>>Fax (863) 299-8821
> >>>>>>email: tjanphyl@xxxxxxxxxxxxxxx
> >>>>>>
> >>>>>>
> >>>>>>
> >>>>>>
> >>>>>>
>
>>>>------------------------------------------------------------------------
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