Canon FAX-L1000 - Manual (Page 204)

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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
J8
J4
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
J40 J35 J34 J33 J39 J37
J701 J700
FAX-L1000 Printer kit
J2 J S1
J202
J201
J1
FAX-L1000 ISDN kit
CN22
J9