Service manual

Service Manual
Block diagram
8-2
Samsung Electronics
8.2 ML-2015(20ppm GDI P1284) H/W Block Diagram
MAIN
USB
1.1
THERM.
JUPITER4e
ARM940T
CACHE(4K)
FLASH
MEMORY
(0.5MB)
DMAC
PLL
Ext75MHz
USB 48MHz
Vid eo 80MHz
USB 1.1
UART*2
PVC
MOTORC
LSUC
P1284
RESET
XC61FN3112
FN
SDRAM
K4S6416320
(8 M x 16bit)
CRYSTAL
OSC
12MHz
REGI
SENSOR
FUSER
FUSER
Contorl
INLET &
POWER
S/W
+5V/
+24V
2P
2P
MAIN
SOL.
AC 110V / 220V
SMPS
2P
THV
SUPPLY
DEV THV
HVPS
OPC GND
HR(Zener)
BLADE
DEVE.
24VS2
COVER S/W
24VS1
Jam COVER S/W
24V
P1284
EMPTY
SENSOR
LD CTL.
RE ADY
/ERRO R
T.SAV EKEY_I N
MAIN
MOTOR DRIVER
A3977
MAIN
MOT.
4P
LSU
5P
6P
LSU5V
5V
3P
FAN
3P