Tuner Adjustment; System Connections - Kenwood RXD-M32 Service Manual

Tuner adjustment

I T E M
N o .
FM SECTION : SELECTOR : FM
1 DISCRIMINATOR
DISTORTION
2
±40kHz dev. MONO
(MONO)
DISTORTION
3
(STEREO) Selector : L or R Pilot
4 TUNING LEVEL
1kHz, ±40kHz dev.

SYSTEM CONNECTIONS

AC voltmeter
Oscilloscope
ADJUSTMENT
I N P U T OUTPUT
S E T T I N G S S E T T I N G S
(A) Connect a
98.0MHz 1kHz, DC voltmeter
±40kHz dev.
between CN4 1
and CN4 2 (X14)
70dBf (ANT. input)
(A)
98.0MHz 1kHz,
70dBf (ANT. input)
(C)
98.0MHz 1kHz,
±40kHz
dev.
: ±6kHz
dev.
70dBf (ANT. input)
(A)
98.0MHz MONO
30dBf (ANT. input)
L
A U X
I N
R
Distortion meter
(B)
RECEIVER
S E T T I N G S
*Adjust NO.1 and NO.2 repeat.
MONO
98.0MHz
MONO
(B)
98.0MHz
AUTO
(B)
98.0MHz
MONO
98.0MHz
ANTENNA
AM
GND
FM
75Ω
SPEAKERS(6–16Ω)
+
-
R L
FM SG
FM SG
Dummy antenna
RXD-M32
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.
AG (A)
MPX AG
(C)
17