Tagged repair parts

Repair Parts for ET312B

While you may never have a problem with your ErosTek ET312B, after a many years of use, some things may wear out. Like the output level pots. Or the battery. If it’s within warranty, let us know. Here’s a list of the most common repair parts and their sources:

Rechargeable Battery Module
Part: ET312B-BATT available from ErosTek
– Includes mounting bracket and instructions.

Output Potentiometers (Level A and B)
Part: RP302 available from ErosTek
– Replace if output levels become erratic or unreliable.

Battery Charging IC (U13#)
Part: LM2941CT available from DigiKey
– Replace whenever battery fails to charge.
– Connecting the wrong AC adapter is a normal cause of failure of this IC.
– Observe ESD precautions for handling static-sensitive components.

Output Transistors (Q3, Q4)
Part: IRF9Z24N available from DigiKey
– Replace both to resolve “Failure 20” errors.
– Observe ESD precautions for handling static-sensitive components.

Tact Switches (Up / Down / Menu / OK switches)
Part: TL1100CF160Q available from DigiKey
– These switches are rated for 100,000 presses but not if liquids get inside 🙂
– Replace as needed

For the more parts, visit our Spare Parts section.