Epson PX-8 Technical Manual page 161

REV.-A
Observed read signal waveforms - (AZIMUTH tape playback signals)
(Top) Measured at IC3, pin 7 - 5 mV /DIV
(Bottom) Measured at IC3,
pin 1 - 5 mV/DIV
Sweep: 0.1
(Top) Measured at IC4, pin 7 - 200 mV /
DIV
(Bottom) Measured at IC4, pin 1 -
500mV/DIV
(Top) Measured at IC4, pin 2 - 50 mV /
DIV
200,uS/DIV
200,uS/DIV
200,uS/DIV
(Bottom) Measured IC4, pin 1 -
500 mV/DIV
3-15
Fig. 3-21
G
--t-1-t-
n
-+-+-+-
n -+-n-+---l n -+--
LID 0 LTL.J
Fig. 3-22
G _ ____
~h~~A~-AA,,--~~A~------
V
V V
V
V
G---tn-+-+-D+--fn-+-+--n+-J. n
-+----+-
I _
JUULJUU
Fig. 3-23