Tuner Adjustment; System Connection - Kenwood RXD-M32MD Service Manual

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Tuner adjustment

I T E M
N o .
FM SECTION :
1 DISCRIMINATOR
DISTORTION
2
(MONO)
DISTORTION
3
(STEREO)
4 TUNING LEVEL
TE
L 13942296513
SYSTEM CONNECTIONS
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AC voltmeter
Oscilloscope
.
ADJUSTMENT
I N P U T
S E T T I N G S S E T T I N G S
SELECTOR : FM
(A)
98.0MHz 1kHz, DC voltmeter
±40kHz dev.
between CN4 1
and CN4 2 (X14)
70dBf (ANT. input)
(A)
98.0MHz 1kHz,
±40kHz dev. MONO
70dBf (ANT. input)
(C)
98.0MHz 1kHz,
±40kHz
dev.
Selector : L or R Pilot
: ±6kHz
dev.
70dBf (ANT. input)
(A)
98.0MHz MONO
1kHz, ±40kHz dev.
30dBf (ANT. input)
L
A U X
I N
R
x ao u163
y
Distortion meter
i
(B)
2 9
8
OUTPUT RECEIVER
S E T T I N G S
*Adjust NO.1 and NO.2 repeat.
Connect a
MONO
98.0MHz
MONO
(B)
98.0MHz
AUTO
(B)
98.0MHz
MONO
98.0MHz
Q Q
3 6 7 1 3
ANTENNA
AM
GND
FM
75Ω
SPEAKERS(6–16Ω)
+
-
R L
.
Dummy antenna
RXD-M32MD
9 4 2 8
ALIGNMENT
ALIGN FOR F I G .
P O I N T S
L4
0V
(X14-)
L5 Minimum
(X14-) distortion
Minimum
IFT(RF
distortion
FRONTEND
(L or R)
: A1)
(X14-)
Adjust VR1
and stop at the
VR1
point where ED1
(X14-)
(TUNED) goes
on.
1 5 0 5 8 2 9 9 4
m
co
FM SG AG (A)
FM SG MPX AG
9 9
2 8 9 9
(C)
17