Date: Thu, 3 Nov 2016 20:12:45 +0000
Does anyone remember the B-SV10? This was the RF power amp for the Bruker AMX. We are trying to repair one from a 500 that has some burned resistors (our electronics shop says two are "medium rare" and four are "well done"). You can see in the first attached photo (..._112732.jpeg) that four large resistors in the bottom center of the unit are burned beyond recognition. We need to know the values of those reisistors so we can replace them. In the second photo (..._112804.jpeg) there is a smaller resistor a bit right of center near the bottom of the unit that looks unreadable.
If anyone has schematics (especially with a layout diagram and parts list) or can look at a good unit and read the resistor values, we would greatly appreciate this information.
Neil
From: Li, Stephen - (stephen250)
Sent: Thursday, November 03, 2016 11:36 AM
To: Jacobsen, Neil E - (neil) <neil_at_email.arizona.edu<mailto:neil_at_email.arizona.edu>>
Cc: Bao, Kevin - (kbao) <kbao_at_email.arizona.edu<mailto:kbao_at_email.arizona.edu>>
Subject: Pictures of B-SV10 PA
Hi Neil,
The pictures of burnt resistors are in attachment. Feel free to forward them to any possible technical source.
Thank you
Stephen(Minqing) Li
Chemistry Instrument and Electronics Facility (ChIEF)
Dept. of Chemistry and BioChemistry, Rm. OC 224
University of Arizona
1306 E. University Blvd.
Tucson, AZ 85721
(520) 621-2830
(image/jpeg attachment: IMG_20161103_112732.jpg)
(image/jpeg attachment: IMG_20161103_112804.jpg)