Service manual

Samsung Electronics 6-1
6. Circuit
6-1 Main PBA
6-1-1 Summary
The main circuit that consists of CPU, MFP
c o n t roller (built-in 32bit RISC processor core :
ARM7TDMI) including various I/O device
drivers, system memory, scanner, printer, motor
d r i v e r, PC I/F, and FAX transceiver controls the
whole system. The entire stru c t u re of the main
c i r cuit is as follows:
Fig.6-1-1. Entire Structure of Main Circuit for Each Key Signal