Panasonic RF-2400 Service Manual page 14

- FM-RF ALIGNMENT
Signal Generator or Sweep Generator
Connections
Connect to test
point TP1 through
FM dummy
antenna. Negative
side to test point
TP2.
[*2] Three output response will be present; proper tuning is the outer frequency.
- FM-IF ALIGNMENT
Signal Generator or Sweep Generator
Connections
Connect to test
point TP3 through
ceramic capacitor.
Negative side to
test point TP2.
5.2. Adjustment points
Frequency
86.2 MHz Variable
capacitor fully
closed.
109.2 MHz Variable
capacitor fully
opened.
106 MHz Variable
capacitor fully
opened.
Frequency
10.7 MHz (Sweep) Point of non-
interference.
(on/about 90
MHz)
Radio Dial Indicator
Setting (Electronic
Voltmeter or
oscilloscope)
Connect vert.
amp. of scope to
test point TP4.
Negative side to
test point TP5.
Connect vert.
amp. of scope to
test point TP4.
Negative side to
test point TP5.
Connect vert.
amp. of scope to
test point TP4.
Negative side to
test point TP5.
Radio Dial Indicator
Setting (Electronic
Voltmeter or
oscilloscope)
Connect vert.
amp. of scope to
test point TP4.
Negative side to
test point TP5.
Fig. 1
11
Adjustment
(Shown in Fig. 1 )
L5 (FM OSC Coil) [*2]
for
output.
CT1 (FM OSC [*2]
Trimmer) for
output.
CT2 (FM ANT [*2]
Trimmer) for
output.
Adjustment
(Shown in Fig. 1 )
T1 (FM IFT) Waveform
shown
Fig.
Remarks
Remarks