Wednesday, June 28, 2017

PT-1900 system board






I got a Brother PT-1900 that had a leaky battery so I opened it up to clean it and see what was inside.

Looks like a

Hitachi (Renesas) H8S / 2312 cpu with 8k of ram

Oki R27V802F-04HMA 524,288-Word x 16-Bit or 1,048,576-Word x 8-bit One Time PROM

PTC PT6520 lcd controller

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