Star Micronics NX-1020 Technical Manual page 116

(7) Carriage Motor Control Signal and Driving Signal
Upper : Carriage-ø1 Control Signal Pin 13 of IC8
Lower : Carriage-ø1 Driving Signal Pin 5 of CN6
Time/Div : 0.5 ms
Volt/Div : Upper 2V
Lower 20V
(9) Paper Feed Motor Control Signal and
Driving Signal
Upper : LF-ø1 Control Signal Pin 17 of IC8
Lower : LF-ø1 Driving Signal Pin 3 of CN7
Time/Div : 50 ms
Volt/Div : Upper 2V
Lower 20V
(8) Paper Feed Motor Common Control Signal and Driving
Signal
Upper : LF-CMN Control Signal
Lower : LF-CMN Driving Signal
Time/Div : 20 ms
Volt/Div
(10) Parallel Interface
Upper : STB
Lower : BUSY
Time/Div : 50 ms
Volt/Div
– 112 –
Pin 22 of IC8
Pin 1 of CN7
: Upper 2V
Lower 10V
Pin 1 of CN1
Pin 11 of CN1
: Upper 5V
Lower 2V