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Kustom 1-B Combo 1974 (Blown fuse DC on output jack )
Kustom 1-B Combo 1974 [message #28589] |
Fri, 13 May 2022 23:02 |
James Myrick
Messages: 3 Registered: June 2021
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Junior Member |
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Need Help. My fuse blew in amp. Changed worked fine then one day cut on heard loud buzz opened up inspected and had dc volts on output speaker +-7v got a schematic found that most caps where swollen leaking resistors where chipped and off by a mile. Changed everything blew fuses again PC 5131 rev 0. Even changed out IC Se504L to C504H. In rectifier CR4-CR7 are the same part number but originally two on one side where white, with a red stripe going down the side. Idk what they were. Can't find any info on them. Think I now have damaged pads from reworking. Going to try and re do with a perf board. If anyone knows anything about mystery diodes. Or maybe just a alternative Power amplifier I could drop in instead I would appreciate the help and info.
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