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Old 7th February 2007, 05:13 AM   #1
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Default still looking for schematics......

for a Bose 1800 Series V amp..... got one of two of these beasts repaired, but still have no +15V supply on the other one. i'm used to working without schematics, but this second amp is a bit of a "puzzlement" right now. both of these amps had dead +15V supplies, and i found diodes shorted as well as a MOSFET in the power supply of one of them. the one with the bad MOSFET is the one that's fixed, but the other amp didn't have a shorted fet, but had the same diodes shorted. i might try replacing the same fet just to see if the fet might be open. i still would like to get schematics for these amps, as i'm sure the owner of these amps will want them fixed again sometime in the future.
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Old 7th February 2007, 03:13 PM   #2
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Hi There:
here is the link for the bose schematic:
http://www.audio-circuit.dk/Schemati...e_1801_SM.pdf.
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