Let's Get Technical > All PREAMP Tech Tips & Support
Installed OPA2604 into U4 - oscillating now?
Fdesalvo:
Anyone else have any ideas? Desperado!
MarshallJMP:
Check your work, my guess something has happend.
Fdesalvo:
I'm used to tracing signal flow through potentiometers, so I'm at a loss with where the master sits in the circuit. I'm sure the issue is pre-master, so can you tell me where the master's circuitry is on the circuit board?
Fdesalvo:
OK for posterity's sake, looks like the master is controlled by a TC9176P chip @ U13. I'm just not sure how I damaged the board by installing the socket. All traces are in tact.
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