Olivetti PR4 SR Service Manual page 50

LEGEND:
Ref. Description
F4 Fuse for the receipt, journal, slip and cutter motors
F9 Main fuse
F11 Carriage motor fuse
J6 Display/drawer board connector
J7 Needle head connector
J8 Slip motor connector
J9 Receipt motor connector
J10 Journal motor connector
J14 Cutter motor connector
J17 Slip photosensor connector (photo on the right edge of the slot)
J18 Paper photosensor connector (photo between the receipt and journal)
J20 Out of receipt and journal microswitch connector
J21 Power supply connector
J22 MICR board connector
J24 Console connector
J28 Carriage motor connector
J29 RS 232 serial interface connector
Q1, Q3 Cutter motor drivers
QS8, QS9, Needle drivers
QS10, QS17,
QS21, U1, U2
S2 EPROM socket
U5,U6 Carriage motor drivers
UC1 ASIC
US2 E2PROM
US4 RAM
US6 CPU
US13 +5V regulator
US14 RS232 serial interface driver
US18 Journal motor driver
US19 Slip motor driver
US20 Receipt motor driver
5-8 Service Manual XYAA6336