October 7992
•
_ _ _ _ _ _ _ _ _ _ _ S::. . :.T.:. .:. f\:. .:. R*:. .:. .:. .=TE:.-=C..:. .:H~J-=-ou=m.:. . :.: :.:al
CDlOO: J~BOX '
Fuzzy SouND DISTORTION
ROWE
'
Mark Anderson
T.W. Gilchrist Vending
Toronto, Canada
SYMPOOM
At low volume levels, the sound is
fuzzy on our Antigua Apparatus
CD juke.
-
PROBLEM
The distortion is caused by cross-
over distortion in the output
stage of the 250 watt amp. This is
because the idle current is far too
low.
CAVSE
J?3 •
-
H~rS1~k...
CR. ;JAl8l:.
2
~
W ff- I TJ:-
!
3
aaow-,v
lf
U£.IV
., :,~
A,1>~
33 o ." W\
JP4
~
3
2.
~IOI
~
'/2 WATr
I
·1
This problem may be caused by
an inadvertent substitution ofZl
during manufacturing.
&;flaA/
'IJ/PWAI
:
~,
/,V/1/fZ
~/l,AAl6£.
<
cp,01..