Cassette Recorder Waveforms - Sharp MZ-700 Service Manual

MZ~700
Cassette recorder waveforms
Primary stage amplifier output wavefonn Operational amplifier input wavefonn Operational amplifier input wavefonn
CD ® ®
/1
AWl
IJ
1.
~
6mv~
1.8V
r
vpp
pp
T
ov
Operational amplifier input wavefonn
Operational amplifier output wavefonn
Output wavefonn
@
® ®
Tt
f1 " "
T
T
1.SVpp
4Vpp
sVpp
1
\lV""~'"
1 1
Recording input wavefonn
Recording signal amplified wavefonn Recording signal amplified wavefonn
(J) ® ®
T~
-
-
-
T-
r
~
T
~ ~
1.SV
O.9V
1.8Vcc
pp
pp
1
~
.... ....
1
'- ' - -
' - ' -
....
Head input wavefonn
@
I\
~~
\
1\
V / V
o
Figure in a ciele represents the waveform test point on the circuit diagram.
18