2. ELECTRONICS SPECIFICATIONS

EO18-33025

2.2 Main PC Board Layout

2.2 Main PC Board Layout

JP7: Serial (RS-232C)

DC Jack

SW1: Power Switch

JP12: Print Head

GS model: 203dpi

Ground Terminal

JP30: Print Head

TS model: 300dpi

U5: Flash ROM

U25: Amplifier

(Reset Detect)

U22: DC/DC Converter

U12: Serial Interface Controller

JP4: Parallel (Centronics)

JP9: USB

JP3: Ethernet (10BASET/100BASETX)

U8: Ethernet Transceiver

U6: SDRAM

U2: 32bit RISC CPU

AT91SAM9260

JP2: SD Card Slot

U33: Regulator

U23: DC/DC Converter

U19: Stepping Motor Driver

U18: Stepping Motor Driver

JP14: Stepping Motor

JP35: Cutter Module

JP28: Feed Key/Status LED

JP19: Strip Module

JP16: Cover Open Sensor

U24: Regulator

JP24: Thermistior

(Stepping Motor)

JP20: Ribbon End Sensor (B-EV4T model)

JP34: Feed Gap Sensor (Upper)

JP17: Black Mark Sensor

JP29: Feed Gap Sensor (Lower)

2-2

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Image 15
Toshiba B-EV4 manual Main PC Board Layout, U6 Sdram