Panasonic RQA200 - PERSONAL STEREO-LOW, Service Manual

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BAND SIGNAL
GENERATOR or
CONNECTIONS
SWEEP
GENERATOR-
FREQUENCY
RADIO DIAL
SETTING
INDICATOR
(ELECTRONIC
VOLT METER
or SCOPE)
(ELECTRONIC
VOLT METER
or SCOPE) ADJUSTMENT REMARKS
AM several turns of
wire
Fashion a loop
of
and radiate the
signal
into the loop
antenna
of the receiver
459kHz
30% Mod.
at 400Hz
Point of non /
interference
(on/about
600kHz)
Headphones
jack (50 )
(Fig.3)
L4 (AM IFT) Adjust for
maximum
output.
AM-RF ALIGNMENT
FM ALIGNMENT
BAND Signal generator
or sweep
generator
(Connections)
Signal
generator or
sweep
generator
(Frequency) Radio dial
setting Indicator
(Electronic
voltmeter or
scope Adjustment Remarks
FM-RF ALIGNMENT
FM Connect to test
point “TP1”.
Through FM
dummy antenna.
Negative side to
test point “TP2”. 86.2MHz..[EG]
/
87.415MHz.[EJ] Variable
capacitor
fully closed Headphones
jack (50 )
(Fig.3) L5 (FM OSC Coil) (*2) Adjust
maximum
output.
FM “
109.3MHz.[EG]
/
108.35MHz.[EJ]
Variable
capacitor
fully open. “ CT3 (FM OSC
Trimmer) “
FM “ 90MHz Tune to signal “ L3 (FM ANT Coil) “
FM “ 106MHz “ “ CT2 (FM ANT
Trimmer) (*2) Adjust
maximum
output. Repeat
steps (3)
(*2) Three output responses will be present; proper tuning is the center frequency.
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