Omnicom RS-5100 Owner's Manual page 11

Item
Adjusting
Point
Test
Point
Procedure
Test
Instrument
5
Modulation R46
Ant.
terminal
Feed 2.5kHz AF oscillator output to micro-
phone. Adjust AF input level until 50%
modulation wave is seen on oscilloscope.
Increase AF input level 16db (6 times) at 50%
modulation. Adjust VR5 and fix it where
modulation degree does not exceed 90%.
Standard AF input level at 50% modulation is
approx. 2mV/600 ohms.
AF oscillator
Oscilloscope
AF VTVM
Note:
1. All adjustments should be made under channel 9, except 37MHz oscillator adjustment.
2. All test points are "plus" polarity except TP-7.
3. Polarity of TP-7 is "minus" at choke coil L114 and "plus" at power source.
4. TP-8 is "minus"