Adjustment; System Connections - Kenwood HM-901 Service Manual

FM SECTION
X05-4622-71 (T TYPE)
NO. ITEM
DISCRIMINATOR
1
DISTORTION
2
(STEREO)
AUDIO SECTION (X09-470x-xx)
NO. ITEM
POWER: ON
A CLASS
1 B CLASS
IDLE CURRENT
A CLASS
2
IDLE CURRENT
A CLASS
3
IDLE CURRENT

SYSTEM CONNECTIONS

(a)
AC voltmeter
Dummy antenna

ADJUSTMENT

INPUT OUTPUT
SETTINGS SETTINGS
Connect a DC
(A)
voltmeter
98.0kHz
between
1kHz, ±75kHz dev.
Pin 1 and Pin 2
60dBµ(ANT input)
of CN 2.
(C)
98.0MHZ
1kHz, ±68.25kHz dev.
Pilot: ±6.75kHz dev.
60dBµ(ANT input)
INPUT OUTPUT
SETTINGS SETTINGS
—
Connect a DC
voltmeter
across
—
CN9(L)
CN10(R)
(X09, A/4)
—
FM75
AM
GND
SUPER
WOOFER
PRE OUT
L
R
R L
IN IN
REC PLAY REC
SPEAKERS
CD AUX TAPE
( 6 - 16 )
Oscilloscope
Distortion meter
(B)
FM SG AG (A)
MPX
FM SG
(D)
AM SG AG
TUNER ALIGNMENT
SETTINGS
MONO
98.0MHz
AUTO
(B)
98.0MHz
ALIGNMEN
AMP SETTINGS
T POINTS
PURE A : ON
PURE A : OFF
Volume : 0
[EXCEPT TUNER]
PURE A : ON
Volume : 0.20~10.00 (X09, A/4)
[EXCEPT TUNER]
PURE A : ON
Volume : 10.20~16.00
(b)
ANTENNA
SYSTEM
PLAY
CONTROL
MD
AG (C)
R-SE9
ALIGN FOR
POINTS
L 31 0V
L 32 Minimum distortion.
IFT (A1) Minimum distortion.
ALIGN FOR
18mV
VR1(L)
Less than 90mV.
VR2(R)
(Check)
Less than 250mV.
(Check)
Dc voltmeter
18mV
CN9(L)
CN10(R)
FIG.
(a)
(a)
FIG.
(b)
5