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6. ADJUSTMENT PROCEDURE
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
PACK1
L2
T101
L5
J131
VT
L1
L3
L4
L6
L7
T1
AM ANT COIL
CN12
T102
AM
OPTICAL
FM
AM OSC
C127
TRIMMER
VR13
SEP ADJ
T101
FM IFT
VR12
AM TUNED ADJ
VR11
FM TUNED ADJ
T103
IC12
FM IFT
T104
CN10
OFFSET ADJ
AM IFT
IC11
LC72131
CUP11318-4
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