At one time (50s, 60s?) 117V was considered the "nominal" voltage although it certainly is not 1/2 of 220V. I'm betting the poster mistook a "V" as a "y".
Do the math. 127 X 1.73 = 219.71, 120 X 1.73 = 207.6.
117V was quite common on Japanese electronics in the distant past.
