Technics ST-600

FM STEREO DISTORTION ADJUSTMENT
(EG) and (Ef) only
1.Test equipment connection is shown in figure. FM SIGNAL GENERATOR CONDITION
2.Set the unit to “FM” mode. Modulation “L” mode or ”“R’mode 90%,
3.Set
the
radio
frequency
display
and
signal
generator
to
Pilot
10%
100.10MHz.
Modulation
frequency
4.Adjust Ti so that the distortion factor of L-CH is Output level
minimized.
5.Make sure that the distortion factors of L-CH and R-CH
are nearly the same and minimum.
Note: The adjusting screwdriver used should be made of
A fe} O
resin.
SS
Output mode... L or R
e Adjustment Points
FM FRONT-END PACK
FM IFT
(100. |MHz)
FM discri
IFT (ist)
FM offset adj
(MONO distortion)
FM discri
1FT(2nd)
MPX VCO
(I9kHz output)
MPX VCO
(I9 KHz)