• Set the signal generator to produce a signal of 400Hz, 30%,
FM modulated.
STEP
BAND
TEST
STA-
GE
FRE-
QUEN-
CY
DIAL
SET-
TING
AD-
JUST-
MENT
REMARKS
IF(As shown in Figure
make connection of instrument.)
1
FM
IF
10.7
MHz
High
end of
dial
T1
T2
Adjust for
best "S"
RF(As shown in Figure
make connection of instrument.)
2
3
4
5
6
FM
FM
FM
FM
Band
cover-
age
Track-
ing
87.3
MHz
108.3
MHz
88
MHz
MHz
Low
end of
dial
High
end of
dial
MHz
MHz
L3
TC2
L2
TC1
Adjust for
maximum
output
Repeat steps 2,3,4 and 5 until no further improvement
can be made.
FM STEREO ALIGNEMNT
Set the Band Selector Switch
to "FM" position and
FM Mode Selector Switch
to "stereo" position.
Before this adjustment, connect the anode side of Stereo
Indicator
GND.
As shown in Figures
and 13-4, make connection of
instrument.
FREQUENCY
un modulated
DIAL
POINTER
ADJUST-
MENT
VR1
REMARKS
Adjust for
38 ±
10.7 MHz,
FM SWEEP GENERATOR Rod
OSCILLOSCOPE
curve
Figure 13-1
EXT. SP
(J105.
Figure
FM STEREO
SIGNAL GENERATOR Telescopic
————————— Rod Antenna
(See Figure 13-4)
DUMMY
COUNTER
I
R1
To Telescopic Rod Antenna
R2 • 75 ohm
•R1 = 50 ohm
R2 - 50 ohm
50
To Chassis GND
Z: Output impedance of
generator
Figure
FM DUMMY
DIAL CORD STRINGING
1) Turn the drum fully clockwise and stretch its cord cover
the parts in the numerical order
shown in Figure
2) Turn the tuning control shaft fully counterclockwise, and
fix it with the pointer aligned with the zero (0) point on
the frame. See Figure
"0" Point
Figure
4 turn
