Yours already failed? We repair this one at component level — send it in, we diagnose it and verify the fix on a live machine. Usually faster than sourcing a replacement.
手上那颗已经坏了？这颗我们做板级维修 —— 寄给我们，诊断后在实机上验证修复，通常比重新找一颗新的快。
Machine key interface board for the TEL Mark VZ, used with the FC-9821KA controller PC. Marked 381-539103-4 on the board label; 308-539103-2 is the same board's alternate number. Repaired at component level or supplied outright.
TEL Mark VZ 用 M/C KEY 介面板，搭配 FC-9821KA 控制电脑。板上标籤为 381-539103-4，308-539103-2 是同一块板的另一个编号。提供板级维修，也可整块供货。
