Panasonic RXD10 - RADIO CASSETTE W/CD, Service Manual

Page: 31 / 76

13. Measurements and Adjustments
13.1. Tuner Section
READ CAREFULLY BEFORE ATTEMPTING ALIGNMENT
1. Set volume control to maximum.
2. Set power source voltage to 9V.
3. Output of signal generator should be no higher than necessary to obtain an output reading.
AM-RF ALIGNMENT
Signal Generator or Sweep
Generator
Radio Dial
Setting
Indicator (Electronic
Voltmeter or
Oscilloscope)
Adjustment
(Shown in
Fig.1)
Remarks
Connections Frequency
Fashion a loop of
several turns of
wire and radiate
signal into loop of
receiver.
540 kHz Point of non-
interference.(on/
about 600kHz)
Headphone Jack (32 )
Fabricate the plug as
shown in Fig.2 and then
connect the lead wires
of the plug to the
measuring instrument.
[*1] L3 ( AM
ANT Coil)
Adjust for
maximum
output.
Fashion a loop of
several turns of
wire and radiate
signal into loop of
receiver.
1400 kHz Point of non-
interference.(on/
about 600kHz)
Headphone Jack (32 )
Fabricate the plug as
shown in Fig.2 and then
connect the lead wires
of the plug to the
measuring instrument.
CT1 (AM ANT
Trimmer)
Adjust for
maximum
output.
[*1] Fix antenna coil with wax after completing alignment.
FM-RF ALIGNMENT
31