CST Metal Detector Repair – Volume Control Fault (Berger Brand)

this is a repair service for CST metal detectors manufactured by Berger, commonly affected by volume control issues. A typical fault is the unit either having no volume control or being permanently stuck on maximum volume, which can make it unusable in the field.

Common Faults Repaired:

No volume adjustment

Constant loud audio output

Internal potentiometer or amplifier circuit failure

Intermittent speaker output or distortion

What We Do:

Full disassembly and internal inspection

Repair or replace the volume control and audio section

Bench testing for proper tone control and stability

Supported Model: CST Metal Detector (Berger)