Main Pba - Xerox WorkCentre PE16 Service Manual

4.3 Main PBA

The Main PBA is the functional center of the product. It controls all basic machine operations including
fax, scan, and printer operations, sensor detection, and power levels.
74LVX161284
SUPER1284
CN13
U41
U47
OSC3
U74
U75/
U95/
U123
WorkCentre PE16
ASIC
BUFFER
(INVERTER)
U11 U16
U41 CN14 OSC2
U10
CN10 CN8 CN7 CN9
U125
U115 U135
FLASH
SDRAM MODEM
MEMORY
EXPANSION I/O MODEM CLOCK
(HCT273)
U63 U64 U15
U58
U9
U48
CN4
U118 U113/U114
OSC5
U134
Summary of product
MOTOR DRIVE IC
U44/
U69
U43/
U68
CN1
CN2
CN12
CN3
CN5
U68 CN6 U120
Service Manual
July 2003
4-9