Sharp FO-4650, Service Manual

Page: 12 / 80

FO-4650U
[3] Point- to-point diagram and connector signal name
4 – 3
CNSTP
VSTP /STPON
VSTP /STPON
1 2
1 2
CNSP
SP+ SP–
SP+ SP–
1 2
1 2
CNSEN
1 2 3 4 5 6 7 8
1 2 3 4 5 6 7 8
/FRTS DG /ORGS DG /B4FRS DG ROLSNS DG
/FRTS DG /ORGS DG /B4FRS DG ROLSNS DG
CNCIS
1 2 3 4 5 6 7 8 9 10
1 2 3 4 5 6 7 8 9 10
SIG GND VDD GND GND SI GND CLK GLED VLED
SIG GND VDD GND GND SI GND CLK GLED VLED
CNTXM
1 2 3 4
1 2 3 4
TMA /TMA TMB /TMB
TMA /TMA TMB /TMB
LIU PWB
CNLIU
CNLIU
RXIN TXOUT CI EXHS DPON CML +5V DG +24VA
RXIN TXOUT CI EXHS DPON CML +5V DG +24VA E–RLY (N.C.) DPMUTE (N.C.) EXTSI (N.C.)
1 2 3 4 5 6 7 8 9
1 2 3 4 5 6 7 8 9 10 11 12
OPERATION PANEL PWB
CNPN
CNPN
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24
LD7 E LD6 R/W LEDEN2 RS LEDEN1 /SEN6 LD2 /SEN5 LD3 /SEN4 LD1 /SEN3 LD4 /SEN2 LD0 /SEN1 LD5 /SEN0 +5V DG +5V DG
LD7 E LD6 R/W LEDEN2 RS LEDEN1 /SEN6 LD2 /SEN5 LD3 /SEN4 LD1 /SEN3 LD4 /SEN2 LD0 /SEN1 LD5 /SEN0 +5V DG +5V DG
COG
(LCD)
POWER
SUPPLY
PWB
PRINTER
CONTROL
PWB
CN10
/PS1 DG
1 2
CN15
+5V TONER LEVEL /TONER LED DG
PWB-G TONER EMPTY SENSOR
PS1 PAPER TAKE-UP SENSOR
PS5A TRAY COVER SENSOR PS5B PAPER SIZE SENSOR
1 2 3 4
CN7
CN1
24V MAIN MG DG 5V MAIN HEATER ON FAN FAN LOCK H RELAY OFF
24V MAIN MG DG 5V MAIN HEATER ON FAN FAN LOCK H RELAY OFF
1 2 3 4 5 6 7 8
1 2 3 4 5 6 7 8
CN1
M2 POLYGON MOTOR
CN9
1 2 3 4 5
N.C +24V MG +5V POLYGON CTL
PWB-D LASER DIODE DRIVE PWB
CN5
1 2 3 4 5 6 7
7 6 5 4 3 2 1
/S SCAN CD LD APC2 LD APC1 DG /L DATA +5V
/S SCAN CD LD APC2 LD APC1 DG /L DATA +5V
HV1 HIGH VOLTAGE PWB UNIT
CN4
CN1 CN2
1 2 3 4 5 6 7 8 9 10 11
11 10 9 8 7 6 5 4 3 2 1
+5V HV C HL T VR T REM T MON B MON B VR C REM C MON MG +24V
+5V HV C HL T VR T REM T MON B MON B VR C REM C MON MG +24V
SL1 TRAY PAPER TAKE-UP SOLENOID
2ND. CASSETTE PWB FO-47UC (OPTION)
CN11
1 2 3 4 5 6 7 8 9 10 11 12 13
1 2 3 4 5 6 7 8 9 10 11 12 13
+24V /FEED2 PICK3 +5V DG SIZE20 SIZE21 /UNIT P EMP2 CHECK2 /2ND:3RD /M3 ON M3CLK
+24V /FEED2 PICK3 +5V DG SIZE20 SIZE21 /UNIT P EMP2 CHECK2 (N.C.) /2ND:3RD /M3 ON M3CLK
CN3 CN8
1 2
+24V /FEED1
M1 PRINTER MOTOR
CN6
1 2 3 4
MA /MA MB /MB
PS4 P-OUT SENSOR TRAY
CN13
1 2 3 4
PS4 DG P EMP1 DG
PC3 PAPER EXIT SENSOR
1 2 3
ANODE (PS3) DG PS3
CN2 CN3
TS1 THERMOSTAT
1 2 3
HEATER L GND HEATER N
H1 HEATER LAMP
1 2
TH1 THERMISTER
THERMISTER +5V
THERMISTER +5V
1 2
CN2
S2 INTERLOCK SWITCH M3 FAN MOTOR
1 2
+24V MAIN
CN4
1 2 3
MG FAN FAN LOCK
1 2 3 4 5 6 7 8 9 10 11 12
1 2 3 4 5 6 7 8 9 10 11 12
CN5
CNPW
NC NC NC NC PDG /RESET PDG PDG PDG /HSYNC /EPRDY /PRRDY /TOD /ETBSY /STS /CMD /CTBSY /PRINT /SRCLK PDG PDG /VIDEO +5VP PDG +5VP PDG +5VP /CPRDY +5VP /TEST
DG DG DG DG DG /RESET DG DG DG /HSYNC /EPRDY /PRRDY /TOD /ETBSY /STS /CMD /CTBSY /PRINT /SRCLK DG DG /VIDEO +5V DG +5V DG +5V /CPRDY +5V /TEST
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30
CNPRT
CNAC
1 2 3
AC-L GND AC-N
AC CORD
CN14
MF SIZE DG DG TRAY SW
1 2 3 4
+24V SUB MG MG MG +24V MAIN +24V MAIN +5V SUB DG DG DG +5V MAIN +5V MAIN
+24V SUB MG MG MG +24V MAIN +24V MAIN +5V SUB DG DG DG +5V MAIN +5V MAIN
DOCUMENT SENSOR FRONT SENSOR B4 FRONT SENSOR ROLLER SENSOR
CIS SENSOR SPEAKER TX MOTOR VERIFICATION STAMP
FO-45VS (OPTION)
CONTROL PWB
1/2
PE1 PAPER EMPTY SENSOR