Question about Audio Players & Recorders
I wish to purchase an internal amplifier replacement for this speaker.
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Posted on Jan 02, 2017
• Could be drive transistor , output transistor or both on the main amp.
But check for power supply and in the preamps also.
• A signal tracer will come in handy when troubleshooting these kind
• Measure supply voltages,
• Check offset voltage
• Check idling current
Isolate , and trace afterwards.
• Schematic is really needed when there are burnt and unrecognizable
component. But one can use similar schematics to analyze circuit
Posted on Aug 01, 2012
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