
Step 2 Install the tuning knob as shown above.
Note: Turn the tuning knob to the extreme left when installing.
2. Measurements and Adjustments
2.1. ALIGNMENT INSTRUCTIONS
READ CAREFULLY BEFORE ATTEMPTING ALIGNMENT
1. Set power source voltage to 230 V AC.
2. Set volume control to maximum.
3. Set band switch to FM or LW.
4. Set mode selector to RADIO.
5. Output of signal generator should be no higher than necessary to obtain an output reading.
- AM-IF ALIGNMENT
Signal Generator or Sweep
Generator
Radio Dial Setting
Indicator
(Electronic
Voltmeter or
oscilloscope)
Adjustment
(Shown in Fig.1)
Remarks
Connections
Frequency
Fashion a loop of
several turns of
wire and radiate
signal into loop of
receiver.
455 kHz 30%
Mod. at 400 Hz
Point of non-
interference. (on/
about 150 kHz)
Connect vert.
amp. of scope to
test point TP3.
Negative side to
test point TP2.
T51 (LW IFT)
Adjust
maximum
output.
- LW-RF ALIGNMENT