Panasonic RX-D10 Service Manual page 32

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
Voltmeter or Oscilloscope)
QZZCFM ( 8 Headphone Jack (32
kHz, -20 dB ) Fabricate the plug as
shown in Fig.2 and then
connect the lead wires of
the plug to the measuring
instrument.
CAUTION :
Please remove the screw-locking bond left on the head base when replacing the
azimuth screw.
After the adjustment, apply screwlock to the azimuth adjusting screw. ( Screw-
locking bond: RZZ0L01)
TAPE SPEED ALIGNMENT
Test Tape Equipment Connection
Electronic Counter
QZZCWAT ( Headphone Jack (32
3 kHz, -10 Fabricate the plug as
dB ) shown in Fig.2 and then
connect the lead wires
of the plug to the
measuring instrument.
BIAS AND ERASE VOLTAGE CHECK
1. Set the unit to TUNER mode.
2. Insert the Normal blank tape (QZZCRA) into DECK and set the unit to "REC"
mode (use "
Radio Dial
Setting
Frequency
87.9 kHz Point of non-
interference.(on
/ about
600kHz)
Adjustment
) Azimuth
Screw
(Shown in
Adjustment
) -
REC/STOP" key).
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.
1. Insert a test tape (QZZCFM) and start playback in the forward
direction.
2. Adjust the azimuth screw for maximum waveform on the
oscilloscope and the similar output on L and R channels.
Fig.3) 3. When adjusting the azimuth in the reverse direction, repeat the
adjustment several times because of a little slip on the forward
direction side.
Specification
3000 ± 90 Hz
32
Adjustment Remarks
(Shown in
Fig.1)
[*1] L4 ( FM Adjust for
ANT Coil) maximum
output.
Remark
Remarks
Play mode