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SX-95
5. ADJUSTMENTS
5.1 TUNER SECTION
1. Connect the wires as shown in Fig. 5-1 (FM ANT. terminal : 75qQ).
2. When the SD model is used, set the band select switch to AM : 10kHz/FM : 100kHz.
PS.
#-COM
assembly
cara
(AWZ357 1)
TUNER assembly ,,-n
(AWE1160)
STEREO
GND
L
MUTE
STOP
Fig. 5-1
FM Section
Note: Stereo modulation: Main 1kHz L+-R +68.25kHz
Pilet 19 kHz +6.75kHz
SSG
2%
Adjustment
Order
Item
Receiving
Frequency | Modulation
Level
Remarks
Check that the voltage between
terminal 41 and ground is 8.7
+2.0V.
Checking front end
VT
No signal
Checking front end
87.5MHz
Check that the voltage between
VT
terminal 41 and ground is
3.4+1.5V.
Increasing front
98MHz
Weak input
L402, L404,) Set the voltage between
T402
terminal 43 and ground to
maximum, and check that the
practical sensitivity is as
specified.
98MHz
; | 60dBuV
| 98MHz
L431
Checking
98MHz
tkHz
60dBeV
| 98MHz
a
Check that the monophonic
monophonic
+75kHz
distortion is as specified.
distortion
dev.
Adjusting VCO
OFF
60dBuV
VR451_
| Adjust the output of terminal 44
to 76.0kHz+1.0kHz.
7 | Adjusting stereo
98MHz
}L—-ONLY|
60dBeV | 98MHz
T402
| Minimize the distortion within
distortion
R-ONLY
1/4 rotation of the core,and
check conformity to the
specification.
96
end sensitivity
0+50mV.
1
2
TUNED and STEREO IND. are
as Specified.
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