Circuit Description - Samsung MSYS 5150 Service Manual

5. Circuit Description

5-1 Main PBA
5-1-1 Summary
The main circuit that consists of CPU, MFP controller (built-in 32bit RISC processor core : ARM7TDMI)
including various I/O device drivers, system memory, scanner, p r i n t e r, motor driver, PC I/F, an d FA X
transceiver controls the whole system. The entire s t ructure of the main circ u i t i s a s f o l l o w s :
Fig.5-1. Entire Structure of Main Circuit for Each Key Signal
Samsung Electronics 5-1