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m@ ADJUSTMENTS:
e FM Circuit (TUNER PACK)
TEST—POINT
PROCEDURE
1.CONNECT
THE
DIGITAL VOLT-METER
TO TP2 AND TP3.
2.INPUT
THE
98.1MHZ/65dB
SIGNAL
(NO MOD.),AND
ADJUST
THE READING
OF DIGITAL VOLT—METER
TO 0+30mYV
BY IFT.
1.CONNECT
THE DIGITAL VOLT—-METER
TO TP4.
2.INPUT
THE 96.1MHZ/30dB
SIGNAL (NO MOD.)
3.ADJUST
THE LEVEL TO 2.4+0.1V BY VRI.
ADJUSTMENT
POINT/TEST
POINT
LA1L175M
TP2
(PIN 30 OF AN7292)
OSNCB2ANV
|
TP4
TP3
PIN
20 OF TUNER
PIN
10 OF TUNER
e AM Circuit (TUNER PACK)
a
ae
TEST-POINT
|
PROCEDURE
@ IF
@ TRACKING
PRE-ADJUSTED
TUNER
* MAIN PWB
i
ae
TEST~POINT
PROCEDURE
FM
VR1O01
1.INPUT
THE
98.1MHz,
CONNECT
THE
OUTPUT
OF A STEREO
MODULATOR
TO THE
EXTERNAL
SEPARATION
MODULATION
TERMINAL,
AND
INPUT
A 65dB
SIGNAL.
2.5SET THE
STEREO
MODULATOR
TO THE
L OR R-ch
AND
ADJUST
VRi01
SO THAT
THE
MAXIMUM
SEPARATION
IS OBTAINED.
(MORE
THAN
20dB)
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