4-1
UP-D70XR
4-1. SY-270 Board, MEC-11 Board Circuit Operation Description
SY-270 board is composed by system control block and mechanism control block and thermal head
control block. These each block processes or controls following items.
.
System control section
program transmission to each circuit board
transmission control between each circuit boards
control of key
LCD indication
.
Mechanism control section
control of each motor
process of each sensor
.
Thermal head control section
gamma correction
head voltage control
data transmission from memory
picture quality correction (PQC IC)
head data transmission
MEC-11 board is composed by drive IC of each motor, sensor detection circuit, sensor LED control
circuit and EEPROM.
Section 4
Circuit Operation Description
Содержание UP-D70XR
Страница 1: ...DIGITAL COLOR PRINTER UP D70XR SERVICE MANUAL Volume 1 1st Edition ...
Страница 4: ...2 UP D70XR 6 Troubleshooting 6 1 Mechanical Section 6 1 6 2 Electrical Section 6 3 ...
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Страница 27: ...1 21 UP D70XR 80 Divers Sony Corporation Printed in Japan ...
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