Avaya Communications 6064638 Rev. J Power Supply Repair Service

Professional diagnostic and board-level repair service for this Avaya Communications 6064638 Rev. J Power Supply.

Avaya 6064638 Rev. J is a 650‑W power supply unit used in Definity phone system carriers and other Avaya communication equipment. Common failure modes include capacitor degradation causing voltage ripple or dropout, fan motor burnout leading to overheating, and output transformer winding faults that can trigger overload protection. First‑check diagnostics should verify the AC input voltage and polarity, measure the regulated 12 V/5 V outputs against spec, inspect for bulging electrolytics and listen for fan operation, and review any system error logs for power‑related codes. Post Comment

Need your Avaya Communications 6064638 Rev. J Power Supply repaired?

Ship your unit to our North Carolina repair shop for component-level diagnostics and a repair estimate. We service industrial control electronics and power systems nationwide.

• ⚙️ Board-level diagnostics – Troubleshooting beyond simple module replacement
• 🔁 Clear approval process – No repair begins without your approval
• 🧰 Expert Technicians – Decades of board-level experience
• ✅ 1-Year Warranty – Included with completed repairs

Start a Repair Request   Call 1-336-969-0110

Nationwide service • Industrial-grade testing • 1-year warranty on completed repairs

Owner-Operated • Practical Pricing • 1-Year Warranty • Nationwide Service

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