William Sommerwerck wrote in message
...
The fairly current/more recent *TU-12* model is a completely
different unit, not surprisingly... one SMT quad flat pack and
a TV color burst 3.579...? MHz.

3.579545 MHz. That number should be burned into the brain of anyone (in
the
US or Japan, plus some Central and South American countries) who services
electronic equipment.



I still remember 0.4971 and its significance