The PW‑157‑101 is a vacuum fluorescent display module from ISE Electronics that incorporates the CU40026SCPB‑T20A 5×7 dot character VFD driver and micro‑controller ICs with refresh RAM and a high‑speed 8‑bit parallel/serial interface. Common failure modes for this type of VFD include burnt or degraded driver ICs, broken trace connections on the display glass, and loss of power to the 5 V CMOS logic. First‑check diagnostics: verify the 5 V supply rail and monitor for ripple; inspect the display panel for visible cracks or burn marks; and test the parallel/serial interface lines with an oscilloscope or logic analyzer for proper timing and data integrity.[oss-gpt-20b] |
Need your ISE ELECTRONIC CORP. JAPAN repaired or tested?
We specialize in the repair and refurbishment of high-end industrial control electronics and power systems like this unit.
📞 Call Now: 1 (336) 969-0110
Free Estimates • Industrial-grade testing • Nationwide Service
⚡ Call to Purchase AI Services — help us build the next Grace Blackwell GX10 node.
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.
Free Estimates • Industrial-grade testing • 1-Year Warranty • Nationwide Service
ISE ELECTRONIC CORP. JAPAN PW-157-101 CU40026SCPB-T20A DISPLAYIndustrial Electronic Repair
145 Rockwell Place Ct
Tobaccoville, NC 27050
🚑 Rush repair shipments only — no walk-ins.
Industrial Electronic Repair
931-E S. Main St #204
Kernersville, NC 27284
📦 Mailing Address (for invoices or shipped repairs)
No walk-ins accepted.