Sony STR-VX4 - Page 12

STR-VX4
VCO Adjustment
A) Regular Method B) Simple Method
Procedure:
Procedure:
FM rf signal ee ‘
enpretar « 1. Tune the set to the FM stereo broadcasting
signal.
HBEEE 2. Turn RT201 clockwise or counterclockwise and
LOT
bb
‘
4
:
(Gammon 7° set memorize the lighting-up range of stereo lamp.
Mr antenna 3. Secure RT201 at the center of the lighting-up
terminal range of both turns as shown below.
Carrier frequency: 98 MHz
Modulation: no modulation center of lighting-up ranges
Output
level:
1
mV
(60
aB)
lighting-up
range
to TP] «0
VCO check
frequency counter
Tune the set to 98 MHz.
Adjust RT201 for 19 kHz £25 Hz on the counter.