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OPERATION PANEL
LCD
SENSOR
DOC READ-POSITION
LED
KEY MATRIX
DIGITAL PCB
BACK UP VCC
BATT
RESET
IC9
IC8
HEAD
ON
THERMAL
RESET
HEAD
ADDRESS
BUS
HEAD TEMP.
SENSOR
CUT-POS
ANT-CURL
PRINTER
I/O
CONTROL
+24V
LED ARRAY
IC7
+5V
TR
SW
IMAGE
F1,F2,FR,FTG
A/D
TO CCD
PROCESSING
VID
CCD BLOCK
MOTOR
DRIVER
General BLock Diagram (FAX)
AC
LCD
LCD
CONTROLLER
NOISE
G/A
FILTER
SIRIAL I/F
RAM
ROM
256K
2M
BIT
BIT
IC3
IC2
DATA BUS
RXIN
24MHz
TXOUT
CPU
OP PANEL
OSC
I/F
I/F
24MHz
MODEM
CPU-ASIC
IC11
T7D56
TONE1
T2/BEL
(TONE2)
MOTOR I/F
TXM
RXM
IC7
IC8
TX MOTOR
RX MOTOR
ANTI CURL
POWER SUPPLY
RECTIFIER SW. TRANS
+24V
DC/DC
CONVERTER
SW. MOS
MOS SW
+24V
+5V
+5V
IC201
+
–
+
VR
VR
MODRX
IC202
+
VR
CN152
4
30
1
+
13
27
22
IC109
–
MIC
SP-Phone IC
11
7
16
15
63
TMU
RMU
59
67
V
V
V
V
O
O
O
O
73
L
L
L
L
1
2
3
4
75
71
40
9
+24V
+5V
CORDLESS BASE P.C.B.
MPU
(Refer to page 171)
(IC501)
D101
RL101
T101
Q1
+
~
DC
LOOP
–
~
+
+5V
+5V
+5V
PC102
EXHOOK
–
+
PC101
IC201
PC103
DP
BELL
T102
61
70
VOX DET
VOX
SPEAKER AMP
IC151
CN241
38
4
8
G/A
CROSS POINT
5
SPEAKER
IC241
SP MUTE
77
78
CTL
DATA ADDRESS
TONE1 TONE2
ANT
RF UNIT
(Refer to page 172)
ANALOG P.C.B
L105
TEL LINE
POS
T
SA101
R
SA102
L106
EXT
TEL
L103
R1
VAR1
L104
T1
+5V
EXHOOK2
PC105
+24V
RL101
LRLY.
Q271
+5V
SW275
HOOK
+5V
SW
SW273
PAPER
+5V
SET
SW272
JAM
+5V
DETECT
SW271
COVER
+5V
SW
SW274
TONE/PULSE
SW
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