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Old 11th September 2019, 12:50 AM   #1
hemigreg is offline hemigreg
diyAudio Member
Join Date: Apr 2019
Default Need Bogen schematic

for bogen 250a repair
any one got a copy, need to troubleshoot shorted ps.
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Old 11th September 2019, 07:29 AM   #2
JonSnell Electronic is offline JonSnell Electronic  United Kingdom
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Join Date: Dec 2012
Location: The Jurassic Coast, England. GB
All I can find is a company selling them; Service Manual DB250, HTA250A SCHEMATICS ONLY
Never used this company so no idea.
Power supplies are very simple and don't be fooled by thinking you have short circuit output transistors, the internal gate capacitor holds the drain to source closed for a long time and must be discharged to read high impedance!

Found it, I new I had a copy in my archives. A very basic amplifier.
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File Type: pdf HTA250A new.pdf (37.4 KB, 23 views)
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Last edited by JonSnell Electronic; 11th September 2019 at 07:37 AM.
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