Operation Manual

3-60
FAX-L1000 Chapter 3: Technical Reference
2.6 Circuit Overview
2.6.1 SCNT board function block diagram
Figure 3-29 Function Block Diagram (1)
Display
OPCNT board
Serial communication function
Buttons detection/ LED drive
NCU board
Hybrid circuit
Line interface
J7
J6
Line voltage conversion
Off-hook detection
Dial pulse generator
J2
J100
Sensor board
Document
feed sensor
Document
sensor
Document
width sensor
J8J4
J1
Modular
jack
Operation control
Drive control
Scanning control
Sensor detection
Speaker control
Memory function
ESS control
Printer interface
control
Communication
section control
SCNT board
J2
Speaker
Document
feed motor
M
Document
edge sensor
J3
J1
0
J4
J14
CONTACT SENSOR
Modular
board
J3
J25
J2(T1,T2)
J1(L1,L2)
J5
TWINS board
J31
J23
J12
J1
J3
J2
M
Cam motor
Cam sensor
Power supply unit
ECNT board
J101 J203
J42
J51
J32
J36
J40J35J34J33J39
J37
J701
J700
FAX-L1000 Printer kit
J2
JS1
J202
J201
J1
FAX-L1000 ISDN kit
CN22
J9