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by r-wilder
January 24th, 2014, 9:27 am
Forum: Older & Obsolete Instruments
Topic: 220 Current Source error 11111 1
Replies: 3
Views: 14031

Re: 220 Current Source error 11111 1

Thanks Dale,
All the display segments and all the LEDs light up during post so I'm assuming the cable & drivers are OK. Is 11111 1 a valid error code?

Thanks in advance,
Richard Wilder
by r-wilder
January 23rd, 2014, 1:41 pm
Forum: Older & Obsolete Instruments
Topic: 220 Current Source error 11111 1
Replies: 3
Views: 14031

220 Current Source error 11111 1

Hello,
I'm repairing a 220 for re-sale. After the P.O.S.T. lights up all segments for a few seconds it displays "11111 1" (not flashing). All buttons are non-responsive. Is this a crc error in rom 1? All p.s. Voltages measure correct. Any ideas?

Thanks in advance,

Richard Wilder
by r-wilder
March 1st, 2010, 5:23 pm
Forum: Other or Discontinued Oscilloscopes
Topic: Looking for transistor equivalent
Replies: 0
Views: 8203

Looking for transistor equivalent

Hello, My 2246 has a shorted power transistor in the switcher primary. It's Q2209 in the schematic and Tek PN 151-0852-00. The parts list says Tek is the manufacturer and that's the only part number listed. Does anybody know what an equivalent standard part would be? I've searched a couple of Tek su...

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