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ST-215
AEP, UK model
SECTION
1
ADJUSTMENTS
FM
SECTION
Setting:
i
Note:
FM discriminator alignment should be made after FM
BAND selector switch:
FM
tracking adjustment.
FM Tracking Adjustment
Setting:
FM rf signal
generator
FM ANTENNA terminal (FM 75Q)
98 MHz
1 kHz, 75 kHz deviation
3.16uV (10dB)
Carrier frequency:
Modulation:
Output level:
Procedure:
1.
Push TUNING (4, -) button for 98 MHz.
Approach L002 and L003 not to contact each
other.
Adjust L001
and L003, and repeat the adjust-
ment 2 — 3 times for maximum VTVM reading.
VTVM
ccc--F
i
MAIN BOARD
1
-
{
'
!
!
'
(CONDUCTOR SIDE);
R-CH
CNJ201
|
FM Discriminator Alignment (NULL Check)
Setting:
FM rf signal
generator
FM ANTENNA terminal (FM 759)
Carrier frequency:
98 MHz
Modulation:
1 kHz, 75 kHz deviation
Output level:
1mV
(60 dB)
VOM
(DC range}
CNP101
Procedure:
1.
Push the TUNING (4, -) button for 98 MHz.
2.
Adjust IFT101 for 0 V reading on the VOM.
CNP101
MAIN BOARD
| | a
ae
(COMPONENT SIDE)
E
H
dl
LOO?
WW
[L002 |
| | L003
Ae
|
}
2
——)
—ST-2—
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