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Brother International hl 1650 Service Manual - Page 74
Brother International hl 1650 - B/W Laser Printer Manual
UPC - 012502526827
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&+$37(5 7+(25< 2) 23(5$7,21 0DLQ 3&% %ORFN 'LDJUDP 1 )LJ VKRZV WKH EORFN GLDJUDP RI WKH PDLQ 3&% RI WKH +/ DQG WKH +/1 SULQWHUV A S I C Reset Circuit CPU Core (MB86834) BUS INT Oscillator (48MHz) Program + Font ROM 10 Mbytes Network Program (2.0 Mbytes) RAM (HL-1650: 8.0 Mbytes) (HL-1670N: 16 Mbytes) Option RAM (DIMM) (max. 128Mbytes) Address Decoder DRAM Control Timer FIFO CDCC Parallel I/O USB I/O Soft Support To PC To PC EEPROM (8192 x 8 bits) EEPROM I/O To PC or Hub Network Board (Option for HL-1650) To Engine PCB )LJ Engine Control I/O Oscillator 33.3MHz PCI Bus Control
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&+$37(5¸¹¸7+(25<¸2)¸23(5$7,21¸
±²º´
³´º±
0DLQ±3&%±%ORFN±'LDJUDP±
)LJµ´±²º´VKRZV´WKH´EORFN´GLDJUDP´RI´WKH´PDLQ´3&%´RI´WKH´+/²³¶·¸´DQG´WKH´+/²³¶¹¸1´SULQWHUVµ´
Reset Circuit
Program + Font ROM
10 Mbytes
RAM
(HL-1650:
8.0 Mbytes)
(HL-1670N:
16 Mbytes)
Option RAM (DIMM)
(max. 128Mbytes)
EEPROM (8192 x 8 bits)
CPU Core
(MB86834)
A
S
I
C
Oscillator (48MHz)
Address Decoder
DRAM Control
Timer
FIFO
CDCC Parallel I/O
Soft Support
EEPROM I/O
Engine Control
I/O
To Engine PCB
BUS
INT
To PC
USB I/O
To PC
Network Program
(2.0 Mbytes)
PCI Bus Control
Network Board
To PC
or Hub
(Option for HL-1650)
Oscillator 33.3MHz
)LJ´±²µº±
´
+/µ³¶·¸±
+/µ³¶¹¸1±