Main Board - Samsung SL-M4080FX Service Manual

2. Product Specifications and Description

2.10.1. Main board

The main board consists of the main processor(1GHz dual core CPU), memory(DDR3 1GB), flash(128MB), 1G Ethernet
PHY, USB2.0 HUB, scan/video/UI/fax signal interface connection, motor driving IC, engine signal interface connection,
power interface.
The main processor controls video, engine, UI display and communicates the various devices. The main board is connected
to the HDD by SATA2 and to the SCF by UART.
Main Board Connection Information
•
Connection
1 LSU Interface
2 Outbin Full Sensor
3 OPE Power Interface
4 CRUM
5 FAX Interface
6 DCIS_Platen Interface
7 DCIS_ADF Interface
8 SCAN Motor / Sensor
9 DSDF Motor / Sensor
2-35
10 EDI
11 Giga RJ45
12 USB Device
13 Fuser Thermistor
14 SCF
15 Paper Size Sensor
16 Exit Sensor
17 Duplex Motor / Sensor
18 WLAN / NFC
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19 SMPS Fan
20 SMPS Power
21 SMPS Control
22 Main Fan
23 SATA Power
24 Engine Interface
25 HDD Interface
26 HVPS
27 DIMM