Pioneer-SX424-rec-sch2电路图 维修手册.pdf
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4、.CN 收音机爱 好者资料库 MOUNTING TEMPLATE Cutout for front panel mounting in cabinet (Horizontal ) (Can also be used for vertical mounting) 5 olu| N ( Front panel of cabinet -(201 t | f,esd) A Sll S tl ;g A !lu l v l 6 o) I -1- 5 sl o gr 15 14 (380) $rear ,*oto( Cutout in shelf for ventilation Drill hole for
5、 securing the unit to shelf The top of the shelf must not be higher than the cutout portion of the cabinet front. s f,e+t e.5d) *orarg.sot UNIT :-INCH (mJ Remove the four feet on the bottom plate of the unit. Front panel of unit. s trr +ot Minimum f or air circula tion RadioFans.CN 收音机爱 好者资料库 FM TUN
6、ER TRACKING ALIGNMENT Set is factory adjusted, no re-adjustments should normally be required. lf re-adjustment is required, observe following steps. Connections Connect FM signal generator to FM antenna terminals. Connect V.T.V.M. to TAPE REC outputs. Adjust signal generator output level at 20d8, ap
7、ply 400H2 309/o modulation. Procedure 1. Turn tuning knob to extreme left and confirm that pointer is at scale end. 2. Set signal generator frequency at 87.4MH2. Adjust oscillator coil in figure to obtain maximum output reading on V.T.V.M. 3. Turn tuning knob to 106MHz, adjust signal generator for l
8、 06MHz. Adjust oscillator trimmer capacitor to obtain maximum output reading. 4. Adjust receiver and signal generator at 90MHz. Adjust RF and antenna coils core to obtain maxtmum output reading. 5. Return to 106MHz setting. Ad just R F and antenna trimmer capacitors to obtain maximum output reading.
9、 6. Repeat steps 2 - 5 to optimum output alignment. ABSTIMMUNG DES FM- EMPFANGSTEILS Nachlustierungen ditrften normalerweise nocht erforderlich sein. Gegebenenfalls wie folgt vorgehen, um die FTZ- Bestimnrungen zu erfullen. Anschlusse Testgenerator an UKW-Antennenanschlusse, Rohrenvolt- messer an TA
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