Adjustment; Am Section - Pioneer sx-450 Service Manual

? 9 . A D J U S T M E N T
9 . 1 A M S E C T I O N
1. Through a 1k ohm resistor, connect an AM
signal generator to the AM antenna terminal.
Set for 40OHz at 100dB and 3O% modulation.
2
Connect AC voltmeter to TAPE REC iack
( L o r R ) .
Set FUNCTION switch to AM position.
Set AM signal generator and SX-450 dial in-
dication to point A (600kHz).
Adjust T6 for maximum indication on AC
voltmeter.
Set AM signal generator and SX-450 dial in-
dication to point C (1,400kH2).
4 .
sx-450
7. Adjust TC4 for maximum indication on AC
voltmeter.
8. Again set AM signal generator and SX-450 dial
indication to point A.
9. Adjust bar antenna core for maximum in-
dication on AC voltmeter.
10. Return AM signal generator and SX-450 dial
indication to point C.
11. Adjust TC5 for maximum indication on AC
voltmeter.
12. Repeat steps 4-11 to eliminate variations in
AC voltmeter indications at noint A and C.
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