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SECTION 4
CIRCUIT OPERATION DESCRIPTION
OUTLINE
Electrical circuit of UP-960/960CE consists of following blocks.
VIDEO CIRCUIT
TRAP filter and AGC process are performed against input video signal and A/D converted.
MEMORY & HEAD CONTROL G/A
Print data is fetched frame memory (DRAM). Image data on the memory is converted into PWM and sent it to the thermal
head.
FRAME MEMORY (DRAM)
Print data is memorized.
SYSTEM CONTROL CPU
Various blocks are watched and controlled.
MOTOR DRIVE
Motors of head, platen, cutter, fan and door are driven according to the command from system control.
SENSOR CIRCUIT
Sensor values of head, paper, cutter, door and etc. are detected.
UP-960(UC)
4-1
UP-960CE(CE)
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