Open the chassis, locate the power amp board. The schematic helps you identify test points (TP1, TP2, etc.). Many Peavey boards have these labeled.
In this deep-dive article, we’ll explore why finding the correct , unaltered schematic for your specific Max 115 version is critical, what secrets the circuit diagram holds, and how to use that exclusive technical data to perform effective repairs. Before we look at voltages or transistor biasing, we must address the single biggest hurdle in repairing a Peavey Max 115: Peavey revised this amplifier multiple times. peavey max 115 schematic exclusive
On the schematic, locate the gain stage’s feedback loop. By changing a single resistor (e.g., R7 from 10k to 220k) or adding a diode pair in series with a switch, you can introduce soft clipping before the power amp. Many players use this to emulate an overdriven tube bass sound. Open the chassis, locate the power amp board