[TechAssist] Re: [Fwd: Magnavox TS2553-C204 (ch# 25V503-OOAA)pix black. has H...
- From: Quality Video Service <BTSteve@xxxxxxx>
- To: techassist@xxxxxxxxxxxxx
- Date: Tue, 07 Aug 2001 08:58:18 -0500
I have a friend that brought me a 13" Maggie that the pix was dark. G2 was very
low.
I checked the cap across the source (on the CRT PCB) and it checked ok.
Replaced it anyway and the set was fixed!
HTH.
Gonzalo N Arrivas wrote:
> Why don't you remove the crt socket off the crt and remeasure the screen
> voltage at the crt board. This will tell you if you have a shorted crt or
> shorted spark gaps.
> also check the focus voltage and see if it is present.
>
> Gonzalo N. Arrivas, CET Pittsburg, CA
> http://www.etechhelponline.com
> Tel/Fax: 925-432-2057
> ----- Original Message -----
> From: <ELECTRONICACE@xxxxxxx>
> To: <techassist@xxxxxxxxxxxxx>
> Sent: Monday, August 06, 2001 6:47 PM
> Subject: [TechAssist] Re: [Fwd: Magnavox TS2553-C204 (ch# 25V503-OOAA)pix
> black. has H...
>
> >
> > In a message dated 8/6/01 11:49:05 AM Eastern Daylight Time,
> > philbad@xxxxxxxxxx writes:
> >
> > >
> > > This 1996 year Maggie has good HV and sound.I tried to turn up the G2
> on
> > > fly and still totally black.No raster illumination at all even with G2
> > > at max. I measured G2 screen voltage at CRT and was zero.I unplugged
> the
> > > G2 wire from CRT board and measured it with my Fluke and it was there,
> > > from +300 to 500 volts.No shorts found at CRT board. Only parts are a
> > > disc ceramic cap and the trace going to CRT pin in the circuit.I lifted
> > > disc and still nothing. I get it at the loose G2 wire but I notice
> > > theres no arc at all. I think there is an open screen resistor inside
> > > the fly. When I disconnect this wire I am probably only reading the
> > > leakage voltage at almost no current.Could this be a bad section of the
> > > fly's G2 resistor network? The fly is a part# 00364097-0004 (4835 1406
> > > 7149 ).Philips wants $27.84 but with $8.50 S/H (rip-off) and Vance
> > > baldwin wants $31.96 but temp. out of stock.Sound like a fly? This
> > > chassis is new to me.
> > > Help make your TechAssist online repair tips
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> > > http://geocities.com/circuit_work/tip/#tips
> > > To unsubscribe write to:
> > > techassist-request@xxxxxxxxxxxxx
> > > with unsubscribe in the subject line.
> > >
> > >
> > > ----------------------- Headers --------------------------------
> > did you check for presence of heater voltage?
> > Help make your TechAssist online repair tips
> > database better! Submit your fixes here:
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> > with unsubscribe in the subject line.
> >
>
> Help make your TechAssist online repair tips
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--
Steve Rumel
Quality Video Service 7008 Long Point Houston, Tx. 77055
713-956-2400 713-956-2403 FAX BTSteve@xxxxxxx
Other life :-)
Col Steve Rumel, CAF
Crew Chief, BT-13A
Safety Officer, 2001
West Houston Squadron
Help make your TechAssist online repair tips
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