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Electronics Repair (sci.electronics.repair) Discussion of repairing electronic equipment. Topics include requests for assistance, where to obtain servicing information and parts, techniques for diagnosis and repair, and annecdotes about success, failures and problems. |
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#1
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Any thoughts on the cause of intermittent audio on this chassis? LA4270 was
changed but didn't make any difference. |
#2
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Leaky electrolytics. Usually about 12-20 throughout the set. Check them
all or you will have to get into it again later. Leonard "Thomas Abell" wrote in message ... Any thoughts on the cause of intermittent audio on this chassis? LA4270 was changed but didn't make any difference. |
#3
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Thomas Abell wrote:
Any thoughts on the cause of intermittent audio on this chassis? LA4270 was changed but didn't make any difference. first should determine if audio is present at the fixed accessory jacks. monitor the out via the speaker, could be a bad coil. , bad solder joints, bad Electrolytic. component leg etc. |
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