[R-390] L IF Module Alignment

[Flowertime01 at wmconnect.com]

L IF Module Alignment
___ 01 Continue with the prior setup
___ 02 Adjust signal generator for 455 KHz output frequency
___ 03 Adjust signal generator for 150 micro volt RF output 
___ 04 Adjust signal generator for 30 % audio tone modulation (400 Hz)
___ 05 Meter diode load output for -7 volts DC
___ 06 Place a 600 ohm load across the local audio output
___ 07 Meter local audio output for 450 milliwatts, 27 db, or 17.3 Volts AC
___ 08 Set the Band Width to 2 KHz
___ 09 Adjust C571 (Top Trimmer) for max diode load output
___ 10 Adjust C513 (Bottom Trimmer) for max diode load output
___ 11 Set the Band Width to 4 KHz
___ 12 Adjust C570 (Top Trimmer) for max diode load output
___ 13 Adjust C514 (Bottom Trimmer) for max diode load output
___ 14 Set the Band Width to 8 KHz
___ 15 Adjust C568 (Top Trimmer) for max diode load output
___ 16 Adjust C515 (Bottom Trimmer) for max diode load output
___ 17 Set the Band Width to 16 KHz
___ 18 Adjust C569 (Top Trimmer) for max diode load output
___ 19 Adjust C516 (Bottom Trimmer) for max diode load output
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