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FO-77U UX-66U
CONTROL PWB UNIT
1CHIP FAX ENGINE (FC200) DOCUMENT SENSOR CPU I/F INTERRUPT CONTROLLER
[1] Block diagram
TIMER CIS I/F
+5V WATCHDOG TIMER MOTOR I/F DRIVER PM
CHAPTER 4. DIAGRAMS
SRAM 256kbit
ROM 1Mbit
CONTACT IMAGE SENSOR
REGULATOR VBT RTC SENSOR I/F CLOCK 32.768kHz 16MHz CPU RESET IC SIO BZ PIO PANEL I/F OPERATION PANEL PANEL LCD CUTTER THERMAL HEAD I/F
+3.3V
CLOCK 32.256MHz
D-FF
THERMAL HEAD PAPER SENSOR
MODEM FM209
41
+5V STABILIZER AMPLIFIER RECTIFIER TRANSFORMER TEL/LIU PWB UNIT TRANSFORMER RECTIFIER DIODE SURGE TRANS ABSORBER CI
AMPLIFIER
+24V
SPEAKER
AMPLIFIER
HANDSET
AMPLIFIER
POWER SUPPLY PWB UNIT
LINE
SURGE PROTECT/ FILTER
CML
FILTER
[2] Wiring diagram
FG TX/RX MOTOR CAM SW CUTTER SW HANDSET
6
2
3 CNHJ ARG
THERMAL HEAD
CNMT
CNCSW
CNCUT 12
CNLNJ
FG
16 CNTH CNLIUA CNLIUA TEL/LIU PWB UNIT
CIS(CONTACT IMAGE SENSOR)UNIT
7 CNCIS
CONTROL PWB UNIT
42
DOOR SENSOR 2 LCD UNIT 14
6 CNDR CNPW CN2
CNPN
CNFRS
CNSP
POWER SUPPLY PWB UNIT
AC CORD 2 2
CNPN
CNLCD OPERATION PANEL PWB UNIT
16
FRONT SENSOR
SPEAKER
FO-77U UX-66U
FO-77U UX-66U
[3] Point- to-point diagram
CNMT TPBD TPAD TPBD TPAD VMT VMT 1 2 3 4 5 6 1 2 3 4 5 6 TPBD TPAD TPBD TPAD VMT VMT
TX/RX MOTOR
THERMAL HEAD
VTH VTH STRB1 STRB2 THI N.C. MG MG MG +5V STRB3 STRB4 LATCH PCLK DATA VTH
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16
CNTH VTH 1 VTH 2 STRB1 3 STRB2 4 THI 5 RANK 6 MG 7 MG 8 MG 9 +5V 10 STRB3 11 STRB4 12 LATCH 13 PCLK 14 DATA 15 VTH 16 CONTROL PWB
CNLIUA TELOUT 1 TELIN 2 TELMUTE 3 CI 4 HS 5 RHS 6 RXIN 7 TXOUT 8 CML 9 +5V 10 DG 11 +24V 12
CNLIUA TELOUT 1 TELIN 2 3 TELMUTE CI 4 HS 5 RHS 6 RXIN 7 TXOUT 8 CML 9 +5V 10 DG 11 +24V 12
TEL/LIU PWB
CNCUT 1 CUT 2 N.C. 3 DG CNDR DRSNS 1 2 DG CNPW DG 1 +5V 2 MG 3 MG 4 +24V 5 +24V 6
1 2
CUT DG
CUTTER SENSOR
OPERATION PANEL PWB
CNPN DG 1 +5V 2 SEN4 3 E 4 SEN0 5 SEN1 6 SEN2 7 SEN3 8 SEN5 9 SEN6 10 SEN7 11 ORGSNS 12 KEN4A 13 KEN3A 14 KEN2A 15 KEN1A 16
CNPN DG 1 +5V 2 SEN4 3 E 4 SEN0 5 SEN1 6 SEN2 7 SEN3 8 SEN5 9 SEN6 10 SEN7 11 12 ORGSNS KEN4A 13 KEN3A 14 KEN2A 15 KEN1A 16
1 2
DRSNS DG
DOOR SENSOR
CN2 1 2 3 4 5 6
DG +5V MG MG +24V +24V
POWER SUPPLY PWB
CNCSW 1 CSW 2 DG
1 2
CSW DG
CAM SWITCH
CIS
VO DG +5V øT CISCLK GLED +24V
1 2 3 4 5 6 7
CNCIS 1 VO 2 DG 3 +5V 4 øT 5 CISCLK 6 GLED 7 +24V
CNSP 1 SP+ 2 SPCNFRS 1 FRSNS 2 DG
1 2
SP+ SP-
SPEAKER
1 2
FRSNS DG
FRONT SENSOR
43