Tuner Adjustments - Sanyo MCD-Z150F Service Manual

Portable cd/stereo radio cassette recorder
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TUNER ADJUSTMENTS

Use a plastic screw driver for adjustments.
l
Adjust the intermediate frequency of AM and FM to the frequency of ceramic filter.
l
DC 12.OV
Supply voltage
Phones impedance
32 ohms
Standard output
50mW
Function switch
RADIO
a. Parts Location
b. AM Adjustment
Adjusting
Step
Circuit
IF
1
2
Tuning coverage
3
4
Tracking
c. FM Adjustment
Adjusting
Step
Circuit
IF
1
Tuning coverage
Tracking
4
\
VCT-3
VCT-1
VCT-2
VCT-4
BAND SELECT SWITCH
Connections
Input
output
Connect sweep
Closed the output
generator to
terminal by sweep
generator, it place
to L2103.
Connect AM SG to Connect VTVM to
test loop
speaker terminals I+
Connect AM SG to Connect VTVM to
speaker terminals
test loop
BAND SELECT SWITCH
Connections
Input
output
Connect sweep
Connect sweep
generator to
generator to
TP202 (E)
Connect VTVM to
TP201 (H) &
speaker terminals
TP202 (E)
AM
Position of
SG Frequency
tuning dial
455 kHz
600 kHz
1400 kHz
1400 kHz
FM Dummy Antenna
FM
Position of
SG Frequency
tuning dial
10.7 MHz
96 MHz
VTVM
Adjustment
Oscilloscope
Max.
Max.
VCT-3
75 ohm unbalance
VTVM
Adjustment
Oscilloscope

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