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LCD

VDD

VSS

DB4

DB5

DB6

CN101

DB7

R/W

RS

E

V0

THERMISTOR

DOC.SENSOR

OPERATION PANEL BOARD

P.F SENSOR
CN102 1 2 3 4 5 6 7 8

1 2 3 4 5 6 7

10

1 2 3 4 5 6 7 8 9

CIS
AC POWER

SCAN MOTOR

RPS THERMISTOR KSTART KTXD KSCLK OPERST +5VD DG

A B XA XB COM

COM XB XA B A

AC(N) 3

SIG DG +5VD FTG CLK GLED VLED

AC(L)

TO TO TELEPHONE EXTANT LINE TELEPHONE
CN203 CN204 CN610 - 1 - 2 R1 3 T1 4 - 5 - 6 CN202 1 2 3 4

CN606

1 2 3 4 5 6

TO HANDSET
HSSP+ HSMICHSSPHSMIC+

CN608

1 2 3 4 5 6 7 8

T R -

ANALOG BOARD
HOOK SW
No 27 25 23 21 19 17 15 13 11 9 7 5 3 1 CN200 NAME FSKCTL NC NC +5VA NC LINEOUT TONE LINEIN VOLOUT VOLIN VOX MIDAT MICLK MILAT 1 2 No 28 26 24 22 20 18 16 14 12 10 8 6 4 2 NAME HOOK SPMUTE DG AG +5VD +24V P-SHORT CPC EX-HOOK HSALC BREAK BELL CID RLY CN200 28

1 2 3 4 5

1 2 3 4 5 6 7

CN613 CN600 1 No 2 4 6 8 10 12 14 16 18 20 22 24 26 28 28 NAME FSKCTL NC NC +5VA NC LINEOUT TONE LINEIN VOLOUT VOLIN VOX MIDAT MICLK MILAT 1 2 3 4 5 6 7 8 +24V +24V PG PG DG +5V HTRCTL PDWN

CN201 1 2 3 4 5 6 7 8

No 1 3 5 7 9 11 13 15 17 19 21 23 25 27

NAME HOOK SPMUTE DG AG +5VD +24V P-SHORT CPC EX-HOOK HSALC BREAK BELL CID RLY

SMPS
HEATER CN102 1 3 AC(N)

1

DIGITAL BOARD

CN602 GND FANDET FANON 1 2 3 CN609 A XA B XB 1 2 3 4 CN603 PICKUP GND 1 2 CN604 CN601

RESIST SENSOR

PAPER SENSOR

CN614 1 2 3 4 5 6 +24V PG CHG DEV TRS TOPCVR

CN2 1 2 3 4 5 6

Speaker

1 2 3 4 5

No 1 2 3 4 5 6 7 8

NAME +5VD TXD RXD RTS CTS DSR DTR GND

1 2 3 4

1 2 3 4 5

CN607 1

CN611

CN612

1 2 3 4 5 6 7 8

COVER OPEN SW (HVPS POWER SW)

THRM1 GND LED POUT CTL

+5V DRUM TNREMP

DG APC VIDEO LDON DG +5V DG XHSYNC

POLCLK XREADY POLON DG +24V

TO PC PROGRAM WRITER
GND

8

HVPS

LSU
+5V

PICKUP SOLENOID

TRANSFER ROLLER OPC DRUM

TRA OPC

GEAR UNIT

DEV

CN50

XB B XA A

CHARGE ROLLER MAIN MOTOR DRUM DETECT TONER SENSOR (Hall IC) DC FAN

DEVELOPING ROLLER

DRUM UNIT

1 2 3 4

CHG

THERMO STAT THERMO STAT HEAT LUMP

HEATER BOARD

CN52 5 4 3 2 1

SENSOR BOARD
1 2 3

CN51

THERMISTOR
THRM1 GND

EXIT SENSOR

FUSER UNIT

CN101

1

FG