2.4. PCBs
2.4.1. FCU
The FCU (Facsimile Control Unit) board contains the FCIP2 (Facsimile Con-
trol and Image Processor), DRAM, SRAM, System ROM, and video
processing memory, and it controls the entire system.
1. FCIP2 (Facsimile Controller and Image Processor)
•
CPU
•
Data compression and reconstruction
•
Digital image processor
•
Laser interface
•
DMA controller
•
Clock generation
•
Stepper motor control
•
DRAM backup control
•
Fusing lamp control
2. ROM
•
512 kB (4 Mbit) flash ROM for system software storage.
•
128 kB (1 Mbit) mask ROM for LCD and report font and motor tables
storage.
NCU
AFE
D R A M
S Y S T E M B U S
FCIP2
F C U
D9001LF
D6002
Z 8 5 2 3 0
Mac
F l a s h
R O M
S R A M
PC
D R A M
E X C 1
Modem
Printer
Scanner
Bi-Centronics
(Parallel)
Localtalk
(Serial)
Operation
Panel
Optional RS422 Board
M a s k
R O M
EXIO
H523D541.wmf
DETAILED SECTION DESCRIPTIONS
June 10th, 1997
PCBs
2-48
Содержание Aficio FX10
Страница 1: ...LFO AFICIO FX10 SERVICE MANUAL June 10th 1997 Subject to change...
Страница 243: ...PARTS CATALOG FOR Model LFO Europe France Asia 2 July 18 1997 Second Edition 1 July 10 1997 First Edition...
Страница 244: ...0RGHO 2 XURSH UDQFH VLD...
Страница 246: ...2 19 1 EXTERIOR 1...
Страница 248: ...4 28 30 29 2 EXTERIOR 2...
Страница 250: ...6 3 CASSETTE...
Страница 252: ...8 4 ADF UNIT 1...
Страница 254: ...10 5 ADF UNIT 2...
Страница 256: ...12 6 SCANNER 1...
Страница 258: ...14 7 SCANNER 2...
Страница 260: ...16 8 LASERUNIT...
Страница 262: ...18 9 PAPER FEED SECTION...
Страница 264: ...20 10 DEVELOPMENT UNIT...
Страница 266: ...22 39 40 41 11 FUSING UNIT...
Страница 268: ...24 12 PAPER EXIT SECTION 1...
Страница 270: ...26 13 FRAME AND ELECTRICAL SECTION 1...
Страница 272: ...28 26 14 FRAME AND ELECTRICAL SECTION 2...
Страница 274: ...30 15 OPTION CASSETTE...
Страница 276: ...34 PARTS INDEX...