Brother International HL-2600CN Service Manual - Page 94
<Main PCB Block Diagram>, IV-43
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+5v CDCC I/F +3.3v RJ45 10/100Base-TX Network Board NC-4100 USB +5v +3.3v +5v IDE HARD DISK Regurator PQ30RV31 Regurator PQ070XZ01Z +3.3v +1.65v PCI-BUS +3.3v / +1.65v CPU TMPR4955-266 (TX4955 266MHz) Clock Generator C8750 CPU-Address/Data MultiBUS +5v/+3.3v CS,DQM LCX16347 RAS,CAS WE,MA 66MHz(CPU,SDRAM) 33MHz(PCI) 48MHZ(GA) +3.3v SLOT2 SLOT1 SLOT0 DIMM (100pin) 3slots 348MB MAX +5v/+3.3v Local Data BUS ASIC MB87F4561 Data BUS LCX16245 +3.3v +3.3v IDE Data BUS HCT245 Gate Array SLAC099HF1A MASK ROM 32M x2 (8MB) Flash ROM 32M x2 (8MB) +5v Compact Flash CompactFlash Data BUS HCT245 Address BUS SN75C1168 Hsync Video ENGINE I/F +5v EEPROM M24C64 64kbit Address BUS Command,PrReq Vsync,Status,Iready,KeyStatus +5v GND Fig.4-37 IV-43
IV-43
<Main PCB Block Diagram>
+3.3v / +1.65v
TMPR4955-266
(TX4955 266MHz)
CPU
Clock
Generator
C8750
66MHz(CPU,SDRAM)
+3.3v
+5v
33MHz(PCI)
48MHZ(GA)
CPU-Address/Data MultiBUS
+5v
+5v/+3.3v
SLOT2
SLOT1
SLOT0
+3.3v
3slots
348MB MAX
DIMM
(100pin)
CDCC I/F
RJ45
10/100Base-TX
+3.3v
CS,DQM
PCI-BUS
LCX16347
RAS,CAS
WE,MA
Data BUS
+5v/+3.3v
Gate Array
SLAC099HF1A
LCX16245
Local Data BUS
ASIC
MB87F4561
+3.3v
+3.3v
MASK
ROM
32M x2
(8MB)
Flash
ROM
32M x2
(8MB)
+5v
IDE Data BUS
HCT245
Address BUS
Address BUS
+5v
CompactFlash Data BUS
Compact Flash
HCT245
Hsync
SN75C1168
ENGINE I/F
Video
GND
+5v
EEPROM
M24C64
64kbit
Command,PrReq
Vsync,Status,Iready,KeyStatus
+5v
IDE
HARD DISK
Regurator
PQ30RV31
PQ070XZ01Z
+1.65v
+3.3v
Regurator
USB
Network Board
NC-4100
Fig.4-37