Block Diagram - Samsung ML-1440 Service Manual

6. Block Diagram

L D33C
3.3V Regulat or
OSC.
53.0109277M H z
FS781
Fr eq. A t t n.
X- T A L
10M H z
XC61FN 3112M R
V olt age Det ect or
74L V X161284
P1284 T r ansc eiv er
PA CS1284
P1284 N et w or k
IEEE1 2 84 U SB
PC
Samsung Electronics
Controller
2.5V Regulat or
K 4S641632D- T C75
29F800- 70
Flash M em or y
512K bit * 16bit
ASIC
S3 C4 6 M 0 X 0 1
3st at e T r ansceiv er
74A CT 245
3st at e T r ansceiv er
Oc t al D- F/ F
EEPROM - 5V
Ex it
Sensor
Panel L SU
L D25C
SDRA M
64M bit
L C245
L CX273
5 V
93C66
2 4 V
H V PS
Engine/ SM PS
N ar r ow Sensor
M ain- Clut ch
A 2918SWV
M ot or Dr iv er
M otor
74H C4060
Ripple Count er
T hermistor
L M 393
SCF
Com par at or
F AN
Feed Sensor
M anual- F eed
Em pt y Sensor
Sensor
SM PS
H eat Lamp
Inlet Pow er
Ass'y Cord
Block Diagram
6-1