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VSX-4500S,-4400
AM Section
frequency
;
Checking front end
No signal
1700kHz
Check that the voltage between
VT
terminal 41 and ground is 7.5
+1.0V.
Checking front end
530kHz
Check that the voltage between
VT
terminal 41 and ground is
1.5240.5V.
Checking front end | 1000kHz |; 400'iz
Practical
| 1000kHz
Check that the practical
sensitivity
30% MOD. | sensitivity
sensitivity (maximum
level
Adjusting lighting
1000kHz
1000kHz
VR431
| Adjust the lighting level of
level of TUNED
TUNED IND. to 55dByV/m
IND.
+3dB.
sensitivity) is as specified.
T-METER
00
46 45
43
(\veas:
4
44
os «STMETER
vco
TUNER assembly
( AWE 1140)
33
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