Service manual

7-2
Electrical Interconnections
Major Components on the Main Board
J2 Paper feed motor
J3 Carriage motor
J12 Console
J13 Print head
J14 Print head
J15 Memory card
J16 Parallel interface
IC1 20 Volt regulator
IC3 IC87R
IC4 Paper feed motor driver
IC7 Carriage motor driver
IC8 TL074
IC9 LM 393
IC10 Print head driver
IC11 Print head driver
IC12 LM 393
IC13 LM 317 LM
IC14 Socket for a PIGGYBACK board
IC16 80C186 CPU
IC18 Dynamic RAM
IC19 256-bit EEPROM
IC20 NADINE ASIC
IC21 Photoemitter
IC22 Photoemitter
F1 Fuse
XT1 20 MHz quartz
S-7.PM5 3/14/97, 3:38 PM2