2 ADJUSTMENTS AND CHECKS
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3
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ALIGNMENT INSTRUCTIONS
EQUIPMENT NEEDED:
AM Signal Generator
FM Signal Generator
Oscilloscope
VTVM(AC, DC)
Test loop antenna (AW Adjustment)
Dummy antenna (FM Adjustment)
Stereo signal modulator
Frequency counter
Distortion analyser
IMPORTANT
1. Check power-source voltage.
2. Set the function switch to band aligned.
3. Keep the signal input as low as possible to adjust accurately.
4. Modulation and modulation frequency.
Item
Modulation
Modulation frequency
Band
AM
30%
400Hz
FM
100%(75KHz Dev.)
400Hz
ADJUSTMENT POINT
MAIN PCB
T2
T3-2
T4
T5
TVR5
TVR4
TVR2
TVR1
TVR3
T1
TVC1
TVC2
TP1
L2
RF1
P5
P6
T1
T3-1
