Adjustment And Checks; Tuner Section - Teac GF-480 Service Manual

GF-480

3-1 TUNER SECTION

Use a screwdriver with a plastic or ceramic grip for all adjustment.
3-1-1 FM adjustment
1. Set the function switch to the FM position.
2. Connect the signal generator output through a 75 ohm dummy
antenna to "ANT" on MAIN PCB.
3. Connect the oscilloscope to the speaker terminal.
4. Set the signal generator as listed in the alignment chart.
3-1-2 AM adjustment
1. Set the function switch to the AM position.
2. Connect the test loop antenna across the output of the signal generator.
3. Connect the oscilloscope to the speaker terminal.
4. Set the signal generator as listed in the alignment chart.
GF-480 MAIN PCB
4
3 ADJUSTMENTS AND CHECKS
AM ANT COIL
L5
PVC
C1 FC1
C2 FC2
L4
L6
L3
L2