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CRS-2204
7. ALIGNMENT PROCEDURES
7.1
FM ALIGNMENT PROCEDURE
(BAND switch in ''FM'', MODE switch in "MONO" and FUNCTION switch in "RADIO/AUX"'.)
Connect Signal
Set Signal
Set Tuning
Indicator
Generator to:
Frequency to:
Dial to:
Connection
Procedure
Oscilloscope vertical
L201 and
TP-4 (J104).
10.7 MHz sweep.
connector to TP-6
L202.
thru diode.
Adjust inductors for
highest and symmetric
curve.
87 MHz with
87 MHz (max.
L105 (OSC
modulation.
capacitance).
mer).
109 MHz with
109 MHz (min.
4 2 Jack.
CT-1 (trim-
Adjust for max.
output.
Repeat Steps 2 and 3.
;
T
90 MHz with
TP-1 (J101).
Adjust for max.
output.
Repeat Steps 5 and 6.
NOTE:
1.
2.
3.
4.
;
L301
R235
FREQUENCY
R270
;
roe
a
vo Olas ati
@
SEPARATION
ADL
(530A)
(48.5KHz)
ADJ.
In adjustment, connect the signal generator grounding terminal (—) to that of the set.
Modulate the signal generator to 30% with a 400 Hz signal.
Reduce the signal generator as tow as possible.
Set the VOLUME control for the maximum level.
|
Le f
il
MW600KHz TRACKING
LWI7OKHz TRACKING
R605
TP-4
FMIO9MHz GUARD
Lw,Sw
TRACKING
L202
RUIZ
32
R619 (RCH)
FMiF INPUT
Mw
[(Qhuss
PLAY BACK OUTPUT
201 pa SS OKHe MWIAOOZ SwiomHz
TPB.
BALANCE ADJ.
ge
.
FM DET
tive
GUARD
TRACKING
AM iF INPUT
BISFREQUENCY
R26!
.135[O|
mw osc
OG* _eM'scuRVE
L231
ee Guo
LI36.
W,
e519
on
& eee | las
@)
24
ie
BE so
ae
1SKHz
L232
sw
BIAS CURRENT ADJ.
ae
AMDET — LwSW
REI2 R52
11
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