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CRS-2104
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
Adjust inductors for
TP-4 (J104),
10.7 MHz sweep.
connector to TP-6
L202.
highest and symmetric
thru diode.
curve.
87 MHz with
87 MHz (max.
L105 (OSC
modulation.
capacitance).
VTVM across EXT sP|
Coil).
Adjust for max.
TP-1 (J101),
—+
|}_—_—____——
109 MHz with
109 MHz (min.
42 Jack.
CT-1 (trim-
output.
modulation.
capacitance).
mer).
Repeat Steps 2 and 3.
90 MHz with
42 Jack.
output.
106 MHz with
i
CT-2 (trim-
z
.
106 MHz.
modulation.
mer).
TP-1 (J101).
Repeat Steps 5 and 6.
NOTE:
1. In adjustment, connect the signal generator grounding terminal (—) to that of the set.
2. Modulate the signal generator to 30% with a 400 Hz signal.
3. Reduce the signal generator as Jow as possible.
4. Set the VOLUME control for the maximum level.
P7Ol
TONE
PWB
yal
|
LIZI-1
LI3I-2
a
9.90
oa
ad
J77T
MW 600KHz Tr
LW I70KHz Tr
PIOl
TP-40FM iF INPUT
"OTP:
"yg, | FM RF INPUT
TP-2
EARTH
HO4
O TP-8
sae: | AM iF INPUT
RADIO OUT PUT
MW I650KHz GUARD
19KHz PILOT SIGNAL
OUT
1
LW
320KHz Tr
|
cl32
—————
2
sw
I6MHz Tr
(Eh
1
LW
380KHz GUARD
ci52
2
sw
19 MHz GUARD
|
11
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