Ref. post #14, choices are:
SP41
SP42
SP181
V453
VP41
VP133
Pin outs as in post #14.
Those can be narrowed down by roughly determining the heater voltage and possibly current.
Lawrence.
SP41
SP42
SP181
V453
VP41
VP133
Pin outs as in post #14.
Those can be narrowed down by roughly determining the heater voltage and possibly current.
Lawrence.







