Sony MHC-5500 User Manual

SECTION 2
ELECTRICAL ADJUSTMENTS
1 FM SECTION 1
• FM Discriminator Alignment (NULL check)
Setting:
FM RF stereo signal
generator
Carrier frequency:
98MHz
Modulation: 1 kHz, 75kHz
deviation
(100%)
Output level: lmV (60 dBµ) FM ANTENNA
VOM
TPl
(DC range)
NULL terminal
Procedure:
1. Tune the set to 98 MHz.
set
2. Adjust T21 for O V reading on the VOM.
Note : FM
TUNING LEVEL adjustment should be
made
after FM discriminator alignment.
• FM TUNING LEVEL Adjustment
Setting:
FM RF stereo signal
generator
Carrier frequency :
98 MHz
Modulation : 1
kHz, 75kHz
deviation
(100%)
Output level: 0.0 lBmV (25dBµ) FM ANTENNA
Procedure:
1. Tune the set to 98 MHz.
2. Adjust RV24 so that the TUNED LED goes on.
• FM Stereo Separation Adjustment
Setting:
FM RF stereo signal
generator
VTVM
1 C§q! d ~>•
Carrier frequercy: 98MHz /
Output level: 1
mV (60 dBµ) FM ANTEN NA
;} ~
8--J
Modulation: L + R 33. 7 5kHz deviation
L-R 33.75kHz deviation
CNJ4
(J)or@
Pilot Signal 19kHz 7.5kHz deviation
Procedure:
Tune the set
to 98 MHz
FM stereo
VTVM
Signal generator
Output channel
connection
L-CH L-CH
R-CH L-CH
R-CH
R-CH
L-CH R-CH
L-CH Stereo
separation: ®-@
R-CH Stereo separation: ©-@
VTVM
reading (dB)
®
@
Adjust RV21 for
minimum reading.
©
@
Adjust RV21 for
minimum reading.
The separations of both channels should be equal.
-5-
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Sony MHC-5500 Specifications

General

Brand	Sony
Model	MHC-5500
Category	Switch
Language	English