[TechAssist] Re: Magnovox TS3553 C101 (35W503-00AA chassis) question, nee...
- From: "Gemini Computer & TV" <geminitv@xxxxxxxxxxxxxxxx>
- To: <techassist@xxxxxxxxxxxxx>
- Date: Thu, 16 Oct 2003 07:10:30 -0400
I have had that capacitor fail before on one of these. It was the only
problem. I would replace only the capacitor and see if that is all it was.
For that set, C511 is a 0.013uf, 1500V, Philips part# 483512147077.
Bob Waterman, CET® #RI-28
Master Technician License #9109
Service Manager / Parts Manager
Gemini Computer, TV, & Security Alarms
(508)695-7302
(508)695-7769 FAX
geminitv@xxxxxxxxxxxxxxxx
geminitv@xxxxxxx
www.geminicomputertvsecurityalarms.com
----- Original Message -----
From: <MYERSVCR@xxxxxxx>
To: <techassist@xxxxxxxxxxxxx>
Sent: Wednesday, October 15, 2003 10:39 PM
Subject: [TechAssist] Re: Magnovox TS3553 C101 (35W503-00AA chassis)
question, nee...
> Update on this repair: replaced horiz drive xsistor, 1uf cap
> nearby (C508), changed out R599(see below) the HOT and used 100W bulb test
on
> flyback primary to insure the drive was working. It was and I turned on
the set.
> Now the green LED stays on, the high voltage comes up and shuts down. Cap
C511
> (which parallels D502 off pin 1 primary of flyback) arced every time i
pushed
> power button. Removing it, it is blown and bulged. Could replacing this
cap
> (.013uf, 1600V) be all that i need to be concerned with?(needs ordered)
Or
> would anyone suspect the flyback while I'm ordering. i don't have a
reliable
> ringer right now. Craig
>
>
> a message dated 10/3/03 10:53:48 AM Eastern Daylight Time,
> phil245@xxxxxxxxxxxxx writes:
>
> << Per Force on all of these chassis's this resistor should be changed to
> 2.7K 5 watt for R538 and R599 (some are marked R538)
> Phillip R Hull STET
> phil245@xxxxxxxxxxxxx
> FAX 517--569-3075
> Professional Technicians only
> ----- Original Message -----
> From: <MYERSVCR@xxxxxxx>
> To: <techassist@xxxxxxxxxxxxx>
> Sent: Thursday, October 02, 2003 10:35 PM
> Subject: [TechAssist] Magnovox TS3553 C101 (35W503-00AA chassis)
question,
> need cross
>
>
> > On plug in power LED blinks and goes off. PWR pushed and HOT shorts,
> replaced
> > blew again. HOT collector 131 volts.
> > Q503 horiz drive showed 131V on drain 0V on source and 0 volts on
gate
> with
> > HOT removed and relay jumped.Q503 tested bad. Nearby C508 (1uf 250
volt)
> also
> > bad and replaced. All other components including SMD's seem OK
> > IC400 (STRS 5703)
> > has (-) 56 volts every pin except pin 1= 0 volts, pin7 is about (-) 35
> volts.
> > i have no print. Voltages taken with neg lead on heatsink ground ( this
> one
> > has pin soldered to gnd)
> >
> > R599 about a 2 watt resistor feeding into HOT driver XFMR reads 2.3K
ohm
> > but colors are brown yellow brown gold? does anyone know what this
> resistor is
> > supposed to be?
> >
> > I'm ready to order some parts and retry but any input appreciated.
> >
> >
> >
> >
> > Craig Myers
> > Myers Electronics
> > 610 Salem Ave
> > York, Pa 17404
> >
> >
> > >>
>
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