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American bass sq3000 - help finding parts
American bass sq3000 - help finding parts
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Old 25th November 2017, 03:15 AM   #1
imraneesa is offline imraneesa
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Default American bass sq3000 - help finding parts

Dear all,
I got this amp for repair. It is missing two diodes on the board. If anybody can help me with the details will be very helpful. I want to know what is D305 and D306. Picture attached.
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File Type: jpg 20171124_195947.jpg (992.1 KB, 54 views)
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Old 25th November 2017, 03:32 AM   #2
Perry Babin is offline Perry Babin  United States
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Why can't you read the numbers on the remaining rectifiers?
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Old 25th November 2017, 01:54 PM   #3
imraneesa is offline imraneesa
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Hello Sir,

It don't have any number on the diodes except a yellow band.
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Old 25th November 2017, 03:50 PM   #4
Perry Babin is offline Perry Babin  United States
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wipe some heatsink compound on/off the face of the rectifiers.
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Old 25th November 2017, 05:53 PM   #5
imraneesa is offline imraneesa
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The diode is just like a glass. I applied some white compound and then tried to see after rubbing it little bit. But that have no number. I am attaching the picture of diode.
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File Type: jpg 20171125_144944.jpg (553.1 KB, 44 views)
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Old 25th November 2017, 05:57 PM   #6
Perry Babin is offline Perry Babin  United States
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I'm sorry. I misread. I think that they're likely 1n4148 type diodes. The the striped ends connect together?
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Old 25th November 2017, 06:01 PM   #7
imraneesa is offline imraneesa
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No problem. Yes sir they are connected together at striped ends. Thank you very much. Also two resistors R246R and R246L missing also.
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Old 25th November 2017, 06:09 PM   #8
Perry Babin is offline Perry Babin  United States
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Photo?
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Old 25th November 2017, 06:18 PM   #9
imraneesa is offline imraneesa
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Picture attached.
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File Type: jpg 20171125_151751.jpg (941.5 KB, 40 views)
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Old 6th December 2017, 09:36 PM   #10
imraneesa is offline imraneesa
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Bump
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