
12
V4 Service manual
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J4 = Headphone connector
SW1 = Reset quick press/ 5 seconds = System reset
LED 1 - internal only for development
LED 2 - Green Paper sensor
LED 3 - Yellow Paper jam sensor Basic-D
Development ports, switch etc - not for public use!
P21 = Internal programming port. (Pin x-2 -> changed power up function)
SW2 = Boot strap loader (Development)
SW3 = Reset (Development)
P17 = Connector to Braille & Print
P28 = Connector to Braille & Print
P15 = Development port
P11 = Development port
P19 = Not used port