Can a burnt Mitsubishi PCB be repaired instead of replaced?

Name: Prime Cool
Address: Wagholi-Shirur Corridor, Pune, Maharashtra, 412207, IN
Telephone: +917507408461
Price range: $$

Yes! Over 90% of inverter PCB failures are caused by burnt SMPS diodes or IPM modules which can be repaired at a fraction of mainboard replacement cost.

Home/industrial/Mitsubishi Inverter AC PCB: Surge Varistor MOV Overvoltage Protection Fix #39

industrial HVAC/R solutions

Mitsubishi Inverter AC PCB: Surge Varistor MOV Overvoltage Protection Fix #39

Professional PCB electronics repair for Mitsubishi inverter air conditioners. Includes surge varistor mov overvoltage protection fix, oscilloscope signal analysis, SMD diode replacement, and high-voltage capacitor testing.

Oscilloscope PWM signal waveform analysis

Component-level SMD IC and diode replacement

Thermal compound repasting & heatsink cleaning

24-Hour continuous load bench testing

Estimated Cost

Starts from ₹1,499 + Spares

*Standard pricing applies for diagnostic audits. Exact spare parts quoted on site.

Book Online Service Call +917507408461

Guaranteed WorkmanshipAll spare parts are genuine OEM components backed by warranty logs.

Our Service & Commissioning Process

We follow a strict mechanical diagnosis standard to ensure zero failures.

Phase 01

Diagnostic isolation of high voltage DC bus vs low voltage logic rail

Phase 02

Component desoldering using ESD-safe rework station

Phase 03

Replacement with OEM rated capacitors and IGBT modules

Phase 04

Coating mainboard with conformal moisture isolation resin