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Wi-> Ci-tciele
7. ADJUSTMENTS
7.1
TUNER SECTION
FM Tuner Section
*
Connect the FM signal generator (FM SG) to the FM ANTENNA 3009 terminal through a 3002 dummy
antenna.
®
Set the AUTO/MANUAL
switch to the MANUAL
position and the FUNCTION
switch to the FM.
FM MONO ADJUSTMENT
ee
FM SG
P
(1 kHz75 kHz dev.)
ple
87.5 MHz
| 2 |
108.0 MHz
Check pin 51 (8.77.5 Ov) of tuner assembly.
Frequency
Adjustment procedure
Adjustment
point
FM MPX ADJUSTMENT
Adjust the frequency at pin 55 of tuner assembly
see
80 dB
98 MHz
VR751
No modulation
to 75.8 kHz (+100 Hz)
.
98 MHz
60 dB 7
1702
-
Minimize distortion in both left and right channel
Stereo modulation®
outputs (adjust T702 to within +90°)
Stereo modulation*
Confirm that TUNER
IND and STEREO
IND
become lit.
Stereo
modulation"
AM
(MW) Tuner Section
*
Connect loop antenna to the AM signal generator
(AM SG), and connect the Loop antenna (of the set) to AM
ANTENNA terminal.
e
Set the FUNCTION
switch to the AM
(MW)
AM
SG
(400Hz, 30% MOD}
No signal
Frequency
Adjustment
Adjustment
procedure
display
pint
530 kHz
1700 kHz
Set pin 51 of tuner assembly to 1.2V (+0.05VY)
Set pin 51 tuner assembly to 10.0V (40.1V
Repeat steps 1 and 2 until both specification ratings are satisfied.
Repeat steps 4 and 5 until both specification ratings are satisfied.
1000 kHz
1000 kHz
Confirm
that TUNER
IND becomes
lit.
7
and the receiver side (VSX-5300) loop antenna B,
that is, from the center of A side loop antenna to that
AM SG
ea
of B side loop antenna should be 60 cm.
A
60 cm
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