[TechAssist] Re: Philips CTV MD1.1 lightning
- From: Al L <alleathe@xxxxxxxxxxxxx>
- To: techassist@xxxxxxxxxxxxx
- Date: Mon, 09 Jun 2003 11:45:18 -0400
Sounds like the same customers in the USA!If they won't pay as much as a
schematic costs,it means one of two things:You are getting screwed on the
schematic,or you need new customers. Same thing happens here at times.
How much is the schematic in US dollars?
I had good luck in having a customer get a schematic free from Philips,by
telling him to whine about Philips encouraging a monopoly on service,and
suggesting he was buying an other brand next time! Good luck. al
Al Leatherman
224 Rt. 46
Mine Hill, NJ. 07803
973-361-5796
WWW.ALS-TV.NET
----- Original Message -----
From: "Stefaan Van Slycken" <vanslycken@xxxxxxxxxx>
To: <techassist@xxxxxxxxxxxxx>
Sent: Monday, June 09, 2003 11:28 AM
Subject: [TechAssist] Re: Philips CTV MD1.1 lightning
> I could get a schematic, there are official philips dealers which sell
them,
> but they're about €30, and the customers don't want the repairs to cost
that
> much. I've never sold these sets, so to me it's not worth buying a schem.
> When there's no cable signal with PAL, you get snow. I'm having a tough
> time with this one, first i suspected the PAL decoder (TDA8366 - find
> datasheet on www.semiconductors.philips.com ) because i had no RGB output
> there, but it works fine in an other set.
> Problem is, the only indications for voltages i find are +8 and +13, the
> others just have measurement point numbers, so i'd like to have a schem or
a
> service manual to compare them with. Tough sets to work on...
>
> TIA
> Stefaan Van Slycken
> Van Slycken Elektro, Waasmunster, BE.
>
> ----- Original Message -----
> From: "Al L" <alleathe@xxxxxxxxxxxxx>
> To: <techassist@xxxxxxxxxxxxx>
> Sent: Monday, June 09, 2003 6:27 PM
> Subject: [TechAssist] Re: Philips CTV MD1.1 lightning
>
>
> Without a schematic, I would look for the 8 and 13 volt regs,but they
might
> be high because there is no load.Where would you get a schematic in
> Belgium,if i may ask?Can you compare the crt voltages with a similar
> crt?Thats where I would start for no brightness.
> My advice may be all wrong if you use a different system there in
> Belgium,since I once heard the screen is black in England with no
signal,so
> who knows?
> May we have some details, as to size of set, and whether PAL system is
> high bright without signal,or black? Good luck.al
>
> Al Leatherman
> 224 Rt. 46
> Mine Hill, NJ. 07803
> 973-361-5796
> WWW.ALS-TV.NET
>
> ----- Original Message -----
> From: "Stefaan Van Slycken" <vanslycken@xxxxxxxxxx>
> To: <techassist@xxxxxxxxxxxxx>
> Sent: Monday, June 09, 2003 5:05 AM
> Subject: [TechAssist] Philips CTV MD1.1 lightning
>
>
> > This is a philips CTV set with MD1.1 chassis (which is a lot like MD1.2,
> MD2.1 and the like), struck by lightning. It was switched off at the
time.
> > I get a green light, Horizontal and Vertical signals are present but
> screen stays black. I get a DC voltage on the R, G and B taps of the CRT.
> I put the tuner PCB (with IF, PAL decoder etc) in a good TV and it worked
> fine, so that's not the cause. I notice that the "+8V" and "+13V" are 11V
> and 15V respectively. I have no schematic or other voltage indications I
> can refer to.
> > Any help?
> > TIA
> > Stefaan Van Slycken
> > Van Slycken Elektro - Waasmunster, Belgium.
> >
> > P.S. This is not the same set I posted about earlier.
> >
>
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