Adjustments - Pioneer SX-750 Service Manual

6. ADJUSTMENTS
6 . 1 . A M S E C T T O N
1. Set function switch to AM.
2. Connect AM signal generator through lk-ohm
resistor to AM antenna terminal.
3. Set DUPLICATE switch to OFF and connect
an AC voltmeter to TAPE 1 REC jacks.
4. Set AM SG for 4O0Hz 30% modulation 74dB
output.
5. Set SX-750 dial indication and AM SG fre-
quency for 600kHz.
6. Adjust T8 core for maximum reading on AC
voltmeter.
7. Set SX-750 dial indication and AM SG fre-
quency for 1,400kH2.
8. Adjust TCz for maximum reading on AC
voltmeter.
9. Set AM SG for 30dB output.
10. Set SX-750 dial indication and AM SG fre-
quency for 600kHz.
11. Adjust T8 and bar antenna core for maximum
reading on AC voltmeter.
12. Set SX-750 dial indication and AM SG fre-
quency for 1,400kH2.
13. Adjust TCz, TC4 for maximum reading on AC
voltmeter.
14. Repeat steps 10-13 to eliminate variations in
AC voltmeter readings.
AM signal generator
F i g . 1 4
1 E l