- FM-RF ALIGNMENT
Signal Generator or Sweep Generator
Radio Dial
Setting
Indicator
(Electronic
Voltmeter or
oscilloscope)
Adjustment
(Shown in
Fig.1
)
Remarks
Connections
Frequency
Connect to test
point TP1 through
FM dummy
antenna. Negative
side to test point
TP2.
86.2 MHz
Variable
capacitor fully
closed.
Connect vert.
amp. of scope to
test point TP3.
Negative side to
test point TP4.
L7 (FM OSC Coil) [*2]
for
output.
109.2 MHz
Variable
capacitor fully
opened.
Connect vert.
amp. of scope to
test point TP3.
Negative side to
test point TP4.
CT1-2 (FM OSC
Trimmer)
[*2]
for
output.
106 MHz
Tune to signal. Connect vert.
amp. of scope to
test point TP3.
Negative side to
test point TP4.
CT1-1 (FM ANT
Trimmer)
[*2]
for
output.
[*2] Three output response will be present; proper tuning is the outer frequency.
- FM-IF CHECK
Signal Generator or Sweep Generator
Radio Dial
Setting
Indicator
(Electronic
Voltmeter or
oscilloscope)
Adjustment
(Shown in
Fig.1
)
Remarks
Connections
Frequency
Connect to test
point TP1 through
ceramic capacitor.
Negative side to
test point TP2.
10.7 MHz (Sweep) Point of non-
interference.
(on/about 90
MHz)
Connect vert.
amp. of scope to
test point TP3.
Negative side to
test point TP4.
-
Waveform
shown
Fig.2
- BUCK-UP BATTERY FREQUENCY ALIGNMENT
DC Power Supply
Indicator
(Frequency
Counter)
Adjustment
(Shown in
Fig.1
)
Remarks
Connections
Voltage
Connect to test
point TP11 through
ceramic capacitor.
Negative side to
test point TP12.
9V
Connect vert.
amp. of scope to
test point TP9.
Negative side to
test point TP10.
VR1 / (Battery
Back-up)
Adjust VR1 for 2400
on frequency counter
reading. (
Fig.3
)
11
Summary of Contents for RC-700E
Page 4: ...4 ...
Page 5: ...2 2 Replacement for the main P C B Follow the Step1 Step5 of item 2 1 5 ...
Page 6: ...6 ...
Page 7: ...2 3 Replacement for the speakers Follow the Step1 Step3 of item 2 1 7 ...
Page 17: ...9 Packaging 17 ...
Page 18: ...K0304YH 18 ...