| : : : : : : : :Sir DAVE . . . . . : : : :FACTOIDS ? : : : :BOX 6 measures 5.5 DC middle FM position...at the AFC there is no voltage. : :AM Voltage, same as FM 5.5, no drop. : :BLACK BOX 7 set on AM...no voltage. : : : : :Well I can live with the first two FM readings . . . for now . . . . but in the sets AM mode there should certainly be power sent up to the AM converter circuitry . . for Q3. : : :Recheck positioning and see if your perceived BLACK BOX # 7 test point is not really #7 at all ? : : :Seems like that circuitry concerning the Q1- Q2- Q3 transistors portion, is having its supply voltage being loaded down to ~ 1/2 the specified 9 volts. : : :That could be due to a faulty Q1-2 or 3 so take DC voltage readings of the CBand E's of those three transistors and pass forward. : : : Also, we would like to know if those three xstrs seem to be pristine originals, as judged by their solder joints and the brand /type numbers . . . . Sams parts folder gives you clues as to the marked part numbers. : : :Thasssit . . . . . for now . . . : : : : : : :73's de Edd : : : : : At work, put decaf in the coffee maker for 3 weeks. Once everyone has gotten over their caffeine addictions, switch to espresso. : : : :  : : : |