Tuner Adjustment - Kenwood RXD-652 Service Manual

Tuner adjustment

X04-1313 Q TYPE (65MHz~74MHz BAND)
N0. ITEM
1 VCO 70 dBf (ANT INPUT)
1 kHz, 0 kHz DEV
RESONANCE 70 dBf (ANT INPUT)
2
POINT 1 kHz, 40 kHz DEV
SUB, 10 kHz DEV
3 SEPARATION
SAME AS ABOVE
75½
GND
MD/DVD INPUT
AC voltmeter
Oscilloscope
(B)
RXD-652/702/752/772S/852/A81/A601/A701
ADJUSTMENT
INPUT OUTPUT
SETTINGS SETTINGS
(C)
69 MHz, Connect a frequency
counter to VCO monitor
X04 (CN2).
SUB, 0 kHz DEV
(C)
69 MHz,
Connect a oscilloscope
to TUNER OUT(CN6).
Select : L or R
(C) Connect a oscilloscope
to TUNER OUT(CN6).
ANTENNA
FM
AM
MD REC OUTPUT
L
R
L
R
DIGITAL
OUT
OPTICAL
TO CN6
3pin (Lch)
1pin (Rch)
2pin (GND)
Distortion meter
TUNER ALIGNMENT
SETTINGS
AUTO
69 MHz
AUTO
69 MHz
AUTO
69 MHz
SURROUND SPEAKERS
(12-16½)
CENTER SPEAKER(6-16½)
Fig (a)
(A) FM-MPX-SG
POLAR SG FM-MPX-SG
(C)
AM-SG
(D)
ALIGN FOR
POINTS
Adjust it the
frequency counter
VR 2
reads 31.25 kHz
±100 Hz.
Minimum
TC 1
crosstalk.
Minimum
VR 1
crosstalk.
- +
L
R
+ +
- -
R L
SUPER
WOOFER
FRONT
PRE OUT
SPEAKERS
(6-16½)
Dummy antenna
FIG.
(a)
(a)
(a)
9