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FM
IF/RF
AD.n.JSTMENT
•
Sd ttw
seWor
•
Set the
to
FM
TEST
STEP
WEN-
X)INTER
STAGE
cy
SETnNG
F
10.7MHz
frequency T20
2
Roea
1
2 Witil
3
RF (Connea irMrum«tB
as
4
5
6
Tune
ION--lz
7
toea-Iz
8
Reut
4 5
6.7 until no
VCO
FREQUENCY
ADJUSTMENT
•
sdeaor*äc.h
•
Set
Ftwr•tor
to produce a signal Of I kHz. 40kHz dev..
FM modulated (mono signal).
•
Conr»a inÄrurnents as
REQUENCY
mlNTER
Tune
98MHz
at 60dB
FM STEREO SEPARATION
•
wave band
•
Set
FM stereo
modulator
L — R: 20kHz.
pilot
•
instrtxnents as
FREQUENCY
Tur•
60a
ADJUSTMENT
FM mono position.
a
of 1kHz. 40kHz dev.,
JUST-
MENT
in Fig. 7—1. )
for
Curve.
T21
Curve.
furttW
can be made.
in Rg. 7—4.
Adjust
tor
Ll,
to
1.2
to
TCI.
TC2
irnprovement
can be made.
at FM stereo position.
in fig. 7—5.
REMARKS
MENT
just for 76.00kHz
VR20
GHz.
ADJUSTMENT
(SA-155H/HB)
swiÜ1
FM Äereo position.
to produce
a signal
L+ R: 20kHz,
6kHz.
IkHz
FM sWreo modulated.
in fig. 7—6.
MENT
VR21
OF TUNER
CIRCUIT
Generator
o
7—2
Figure
maximal
FM Simat
Generator
O
FM Signal
Generator
O
Figure 7—5 VCO FREQUENCY
L •R:
20kHzöev
L -R:
20 kHz
Pilot:
6 kHz
FM Stereo
Modulator
maxhd
Figure 7—6 FM SEPARATION
SA-155H/HB/E
I .SPF
Unit
Figure 7
—1 FM
IF
ADJUSTMENT
10.7MHz
"IF"
CURVE
Figure
FM
FM External
Antenna
Socket
Unit
Figure 7—4 FM RF ADJUSTMENT
FM External
Antenna
Socket
TP40
Ground
dev.
FM External
FM Siv•al
Antenna
Socket
Gen«.tor
o
Orilloscope
TP20
Ground
10.7
MHZ
7—3 FM
"S"
CURVE
Electronic
Voltrneter
TP24
o
Ground
Frequency Counter
ADJUSTMENT
Electronic
V 01 tnwter
Spæker
Socket
o
Ground
ADJUSTMENT
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