Signal Generator or Sweep
Generator
Radio Dial Setting
Indicator (Electronic
Voltmeter or
Oscilloscope)
Adjustment
(Shown in
Fig.1)
Remarks
Connections
Frequency
High side thru.
0.001Micro Farad to
test point TP3.
Negative side to test
point TP2.
10.7 MHz
(SWP)
Point of non-
interference. (on/
about 90 MHz)
Connect vert. amp. of
scope to test point
TP4. Negative side to
test point TP2.
T1 (FM-IF) [V]
Adjust for
maximum
amplitude.
(Refer to fig.
3).
High side thru.
0.001Micro Farad to
test point TP3.
Negative side to test
point TP2.
10.7 MHz
(SWP)
Point of non-
interference. (on/
about 90 MHz)
Connect vert. amp. of
scope to test point
TP5. Negative side to
test point TP4.
T3 (FM-IF)
Adjust for
maximum
amplitude.
(Refer to fig.
2).
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 (GU)
87.35 MHz ± 50
kHz (GC)
Variable
capacitor
fully closed.
Output meter across
voice coil.
L2 (FM OSC
MIN)
[*2] Adjust
for
maximum
output.
Connect to test
point TP1 through
FM dummy antenna.
Negative side to test
point TP2.
109.2 MHz (GU)
108.28 MHz ± 70
kHz (GC)
Variable
capacitor
fully open.
Output meter across
voice coil.
CT4 (FM OSC
MAX)
CT9 must be
prealign to
center
before
inserting
into P.C.B..
Then [*2]
Adjust for
maximum
output.
Connect to test
point TP1 through
FM dummy antenna.
Negative side to test
point TP2.
106 MHz
Tune to
signal.
Output meter across
voice coil.
CT3 (FM ANT
MAX)
[*2] Adjust
for
maximum
output.
Repeat steps
(3) ~ (5)
[*2] Three output responses will be present; proper tuning is the center frequency.
ALIGNMENT POINT
* Please refer to Circuit Board and wiring Connection Diagram for test point locations.
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