The Unit Configuration Is As Follows - Oki OKIFAX4550 Maintenance Manual

1.1

The unit configuration is as follows:

Meaning of abbreviations used in Block Diagram
A/D
AMP
BAT
CNi
CPU
D-MOTOR
DRV
DRAM
IEXSEED300
LC821033
FLASH
IOGA4, IOGA6 : Input output gate array
PCi
POW.UNIT
RTC
S-MOTOR
SRAM
X'tal
41309401TH Rev.4
: Analog-to-digital converter
: Amplifier
: Battery
: Connector number i
: Central processing unit
: Drum motor
: Motor drive
: Dynamic random-access memory
: Image proccessing gate array
: Image process
: Flash memory
: Photocoupler number i
: Power supply unit
: Real time clock
: Send motor
: Static random-access memory
: Crystal oscillator
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