Panasonic RX-D15 Service Manual page 24

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
Connections
Fashion a loop of
several turns of
wire and radiate
signal into loop of
receiver.
Fashion a loop of
several turns of
wire and radiate
signal into loop of
receiver.
[*1] Fix antenna coil with wax after completing alignment.
FM-RF ALIGNMENT
Signal Generator or Sweep Generator
Connections
Fashion a loop of
several turns of wire
and radiate signal
into loop of receiver.
[*1] Fix antenna coil with wax after completing alignment.
HEAD AZIMUTH ALIGNMENT
Test Tape Iindicator (Electronic
ATT-113CN ( 8 Headphone Jack (32
kHz, -10 dB ) Fabricate the plug as
shown in Fig.2 and then
connect the lead wires of
the plug to the measuring
instrument.
READ CAREFULLY BEFORE ATTEMPTING ALIGNMENT
Radio Dial
Setting
Frequency
540 kHz Point of non-
interference.(on/
about 600kHz)
1400 kHz Point of non-
interference.(on/
about 600kHz)
Radio Dial
Frequency
87.9 kHz Point of non-
interference.(on
Voltmeter or
Oscilloscope)
)
Indicator (Electronic
Voltmeter or
Oscilloscope)
Headphone Jack (32
Fabricate the plug as
shown in Fig.2 and
then connect the lead
wires of the plug to the
measuring instrument.
Headphone Jack (32
Fabricate the plug as
shown in Fig.2 and
then connect the lead
wires of the plug to the
measuring instrument.
Indicator (Electronic
Setting Voltmeter or
Oscilloscope)
Headphone Jack (32
) Fabricate the plug
/ about as shown in Fig.2 and
600kHz) then connect the lead
wires of the plug to
the measuring
instrument.
Adjustment
1. Insert a test tape and start playback in the forward direction.
Azimuth
2. Adjust the azimuth screw for maximum waveform on the
Screw
and the similar output on L and R channels.
(Shown in
3. When adjusting the azimuth in the reverse direction, repeat
adjustment several times because of a little slip on the forward
Fig.3)
side.
Adjustment / Remarks
(Shown in
Fig.1)
) [*1] L3 ( AM Adjust
ANT Coil) maximum
) CT1 (AM ANT Adjust
Trimmer) maximum
Adjustment / Remarks
(Shown in
Fig.1)
[*1] L4 ( FM Adjust
ANT Coil) maximum
Remark
output.
output.
output.