Northern Computer 1993 Circuit Board
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The AD1853N Rev 2F is the main logic board for Northern Computer’s N1000 industrial controller, typically mounted in a 1993‑era chassis and powered by an isolated DC rail (±48 V). Common failure points on this class of boards include burned capacitors or resistors on the power‑input section, degradation of the central microcontroller ICs, and shorted or failed protection diodes that can cause intermittent loss of I/O or complete shutdown. For a first pass, verify the input DC rail voltage and polarity with an oscilloscope, inspect the board for visible signs of component damage (burn marks, bulging caps), and check the status LEDs or diagnostic outputs for error codes; if available, run the built‑in self‑test routine to isolate the fault.[oss-gpt-20b] |
Need your Northern Computer repaired or tested?
We specialize in the repair and refurbishment of high-end industrial control electronics and power systems like this unit.
- ⚙️ Fast Diagnostics – Same-day evaluation available
- 🔁 Reliable Turnaround – Most jobs ship within 5–10 business days
- 🧰 Expert Technicians – Decades of board-level experience
- ✅ 1-Year Warranty – Every repair fully guaranteed
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Free Estimates • Industrial-grade testing • Nationwide Service
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Industrial AI Hardware Recovery — Free Diagnostic • Pay Return Shipping Only
[oss-gpt-20b]We reclaim and repair GPUs and industrial AI hardware (cards, PSUs, fan modules, VRM boards). Free estimate — you only pay return shipping if you decline.
- 🔧 Board-level diagnostics (shorts, VRM, memory, fan, thermals)
- 🧪 Burn-in + benchmarks (hash/matrix, memtest, stability)
- ♻️ Option: donate failed cards for parts → we refurb + resell
- ✅ 1-Year warranty on completed repairs
Free Estimates • Industrial-grade testing • 1-Year Warranty • Nationwide Service
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Northern Computer 1993 BoardNorthern Computer 1996 Circuit BoardNorthern Computer 1993 Circuit BoardNorthern Computer 1993 Circuit BoardContact Us
🚑Shop Location🛠️
Industrial Electronic Repair
145 Rockwell Place Ct
Tobaccoville, NC 27050
🚑 Rush repair shipments only — no walk-ins.
📞Phone
📦Mailing Address🚛
Industrial Electronic Repair
931-E S. Main St #204
Kernersville, NC 27284
📦 Mailing Address (for invoices or shipped repairs)
No walk-ins accepted.