Service manual

UX-B20U/UX-B20C/B25C
4 – 1
FAXUX-B20U/UX-B20C/B25CService ManualService ManualMarketE
CHAPTER 4. DIAGRAMS
[1] Block diagram
HANDSET
LIU PWB UNIT
LCD UNIT
FAX ENGINE
(SCE209L)
ASIC
IMAGE PROCESSING
PRINTER CONTROL
INK PWB UNIT
POS
SPIT
FIRE
FPC
OPERATION PANEL PWB UNIT
(KEY,SENSOR)
FLASH(4MBIT)
(PROGRAM)
D-RAM(4MBIT)
SD-RAM
(16MBIT)
THUNDERBOLT
MOTOR DRIVER
CARRIER
MOTOR
FEED
MOTOR
CIS UNIT
POWER SUPPLY
PWB UNIT
+30V
+5V
CONTROL PWB UNIT
PIN