Tuner Adjustments; Am Adjustment; Parts Location - Sanyo MCD-Z16F Service Manual

TUNER ADJUSTMENTS
. Use a plastic screw driver for adjustments.
_/
Adjust the intermediate frequency of AM and FM
to the
frequency of ceramic filter.
Supply voltage
DC 12.0 V
Phones impedance
: 32 ohm
Standard output : 0.5 mW (126
mV)
Function switch : RADIO
TONE controls : HIGH
PARTS LOCATION
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LOOS
@VCT-4
'CL
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El
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LO02
LO06
T103
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H
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c"--
-ITP2 . . .
T104
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a
R202", "Vco ~ 7 :',
-7-
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.:
-
VTVM
Oscilloscope
a.
AM ADJUSTMENT :. BAND SELECT SWITCH : AM
Adjusting Connections
Step
Circuit
SG Frequency
Position of tuning dial
Adjustment
Input output
Closed the output
Connect sweep
terminal by sweep
1
IF
generator to
::yo;:r' 't "ace C109(H) & R202(G)
455
kHz Low
T104
2
Tuning Connect AM SG
Connect VTVM
to
517kHz
Low end
LO06
3
coverage
to
Test Loop
speaker terminals
1750 kHz High end
VCT -4
4
Tracking
Connect AM SG
Connect VTVM to
600 kHz
600 kHz
LOOS
5
to Test Loop
speaker terminals
1400 kHz 1400 kHz
VCT -3
e Repeat adjustments
--l
-fF-
-+
Max.
Max.
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