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GW oscilloscope

Bonjour =E0 tous,

je r=E9pare un oscillo. GW dont les symptomes sont les suivants :

spot avec intensit=E9 maxi. sans aucun contr=F4le avec aucun bouton (focus ou intensit=E9, ni m=EAme balayage), j'ai d=E9mont=E9 la carte qui contient les circuits SWEEP,TRIGG, HV, Z-AXIS, H-OUTPUT et rep=E9r=E9 des resistors qui ont cram=E9s, =E0 savoir : R519 & R 520 (identification impossible) au sortir des cosses X & Y.

Est-ce que quelqu'un aurait des info sur leurs carat=E9ristiques ?

Merci & bonne journ=E9e

Reply to
wizzo
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Ooops, sorry, forgot to convert this message:

I'm just trying to fix this o'scope that have the following symptoms : The spot appear with maxim intensity, cannot control it thru front panel potentiometers (focus, intensity or sweep) I removed the board that contains the SWEEP, TRIGG, HV, Z-axis, H-OUTPUT. There are 2 resistors severely burned : R519 & R520 connected to X&Y output plugs connected the CRT Does anybody knows theirs caracteristics ?

Thanx

Reply to
wizzo

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