Brother International HL-3400CN Service Manual - Page 98
Block, Diagram
UPC - 012502526223
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Main PCB Block Diagram +6v O Regurator PO3ORV31 O +3.3v +3.3v CPU /./ PD30210 (VR4310-167) Clock Generator C8750 66MHz(CPU,SDRAM) 33MHz(PCI) 48MHZ(RS232C) CDCC I/F 5v +3.3v Brnet BOARD PCI-BUS +5v/+3.3v PU-Address/Data MultiBUS ASIC MB87F4561 CS DOM RAS CA WE,MA LCX16245 +3.3v SDRAM 64M x8 (64MB) +3.3v IMAM (100pin) 2slots 256MB MAX 1 A +6v MIO BOARD NO RELAT (CONNECTOR) PCB +6v IDE HARD DISK NO Data BUS +5v/+3.3v o IDE Data BUS HCT246 Gate Array SLA6099HFOJ Local Data BUS' Data BUS LCX16245 +3.3v MASK ROM 32M x2 (8MB) Flash ROM 32M x2 (8MB) v PCMCIA x2 +12v/-12v RS-232C I/F [1 41 PCMCIA Data BUS HCT246 ADM2O2 +6v EEP ROM M24064 64kbit Address BUS SN7601168 40_, -Isrn Video LSO7 o., Command,PrReq Vsync,Status,Iready,KeyStatus +5v 0 GND 0 ENGINE I/F 4-47