Epson PX-8 - Page 137

REV.-A
Ovserved Speaker Output Signal Waveforms
(Top) RD - Measured at IC3, pin 1.
(Bottom) RDSP - Measured at CN 1, pin 5.
* Adjusts the volume control variable resistor
VR1 at the middle when playing back AZI-
MUTH tapes.
200mV
200mV
200mV >50~S
200mV
Fig.2-116
When the variable resistor VR1 is set minimum, the RDSP signal has almost the same phase as
the output signal at IC3, pin 1. However, its phase amplitude decreases as VR1 resistance in-
creases.
2-113