Oki B 4100 Maintenance Manual page 365

Facsimile transceiver
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Meaning of abbreviations used in Block Diagram
A/D
: Analog-to-digital converter
AMP
: Amplifier
BATT
: Battery
CNi
: Connector number i
CPU
: Central processing unit
D-MOTOR : Drum motor
DRV
: Motor drive
DRAM
: Dynamic random-access memory
EXSEED
: Image proccessing gate array
FAN
: Fan motor
FLASH
: Flash memory
IOGA 3
: Input output gate array
PCi
: Photocoupler number i
POW.UNIT : Power supply unit
PSRAM
: Pseudo-SRAM
R-MOTOR : Resist motor
RTC
: Real time clock
S-MOTOR : Send motor
SRAM
: Static random-access memory
X'tal
: Crystal oscillator
40055101TH Rev.4
365 /

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