Sharp FO-4500, Service Manual

Page: 89 / 192

[3] Point to point diagram and connector signal name (1)
4 – 3
A2 A4 A6 A8 A10 A12 A14 A16 B2 B4 B6 B8 B10 B12 B14 B16
A1 A3 A5 A7 A9 A11 A13 A15 B1 B3 B5 B7 B9 B11 B13 B15
TEL/LIU PWB PRINTER UNIT (1/2)
CONTROL PWB
(1/2)
CNLIU
DG DG +12V N.C MPX A N.C E-RLY DPMUTE SIGRX SDT CI HS1 N.C
RDG RDG TXDA RXDA RTSA CTSA DSRA DTRA RSCD RSOPT RSCI RDG +5VR RDG +5VR RDG RDG RDG
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18
RS232C I/F PWB
SP+ SP–
1 2
SPEAKER
SP+ SP–
1 2
CNSP
TRANSFER SENSOR DOCUMENT/ FRONT SENSOR CCD PWB
CNROL
ROLSNS DG
ROLSNS DG
1 2
1 2
LED
CNLED
LEDON VM
LEDON VM
1 2
1 2
VERIFICATION STAMP TX MOTOR
CNSTP
VSTP STPON
VSTP STPON
1 2
1 2
CNPW
POWER SUPPLY PWB (1/2) OPERATION PANEL PWB
1 3 5 7 9 11 13 15 17 19 21 23 25
+5V AG AG N.C N.C SPMUTE SPOUT SIGTX RHS DP CML DT N.C
2 4 6 8 10 12 14 16 18 20 22 24 26
CNRS
RDG RDG TXDA RXDA RTSA CTSA DSRA DTRA RSCD RSOPT RSCI RDG +5VR RDG +5VR RDG RDG RDG
DG DG +12V N.C MPX A N.C E-RLY DPMUTE SIGRX SDT CI HS1 N.C
1 3 5 7 9 11 13 15 17 19 21 23 25
+5V AG AG N.C N.C SPMUTE SPOUT SIGTX RHS DP CML DT N.C
2 4 6 8 10 12 14 16 18 20 22 24 26
CNPRT
CN1
PDG PDG PDG PRRDY CMD PDG PDG CPRDY PDG PDG PDG EPRDY STS SRCLK +5VP +5VP
PDG PCURES HSYNC ETBSY PRINT VIDEO PDG N.C PDG PDG PDG TOD CTBSY PDG +5VP +5VP
VBT TCS2 MD15 MD13 MD11 MD9 MD7 MD5 MD3 MD1 MWRH MRD MA19 MA17 MA15 MA13 MA11 MA9 MA7 MA5 MA3 MA1 FLBK3 FLBK1 +5V
1 3 5 7 9 11 13 15 17 19 21 23 25 27 29 31 33 35 37 39 41 43 45 47 49
DG RAMCS MD14 MD12 MD10 MD8 MD6 MD4 MD2 MD0 MWRL MA20 MA18 MA16 MA14 MA12 MA10 MA8 MA6 MA4 MA2 FLBSY FLBK2 FLOPT DG
2 4 6 8 10 12 14 16 18 20 22 24 26 28 30 32 34 36 38 40 42 44 46 48 50
PDG PDG PDG PRRDY CMD PDG PDG CPRDY PDG PDG PDG EPRDY STS SRCLK +5VP +5VP
A1 A3 A5 A7 A9 A11 A13 A15 B1 B3 B5 B7 B9 B11 B13 B15
PDG PCURES HSYNC ETBSY PRINT VIDEO PDG N.C PDG PDG PDG TOD CTBSY PDG +5VP +5VP
A2 A4 A6 A8 A10 A12 A14 A16 B2 B4 B6 B8 B10 B12 B14 B16
CNPW
1 2 3 4 5 6 7 8 9 10 11 12
1 2 3 4 5 6 7 8 9 10 11 12
VM VM VM MG MG MG +5V +5VA DG DG +12V AG
VM VM VM MG MG MG +5V +5VA DG DG +12V AG
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
PERSONAL COMPUTER
COG
(LCD)
CNSEN
1 2 3 4 5 6
1 2 3 4 5 6
FRTS DG ORGS DG B4FRS DG
FRTS DG ORGS DG B4FRS DG
CNCCD
1 2 3 4 5 6 7 8
1 2 3 4 5 6 7 8
PHIT VO +5VA AG AG PHIR PHI1 PHI2
PHIT VO +5VA AG AG PHIR PHI1 PHI2
CNTXM
1 2 3 4
CNCCD2
1 2 3 4
TMA TMA TMB TMB
TMA TMA TMB TMB
VBT TCS2 MD15 MD13 MD11 MD9 MD7 MD5 MD3 MD1 MWRH MRD MA19 MA17 MA15 MA13 MA11 MA9 MA7 MA5 MA3 MA1 FLBK3 FLBK1 +5V
1 3 5 7 9 11 13 15 17 19 21 23 25 27 29 31 33 35 37 39 41 43 45 47 49
DG RAMCS MD14 MD12 MD10 MD8 MD6 MD4 MD2 MD0 MWRL MA20 MA18 MA16 MA14 MA12 MA10 MA8 MA6 MA4 MA2 FLBSY FLBK2 FLOPT DG
2 4 6 8 10 12 14 16 18 20 22 24 26 28 30 32 34 36 38 40 42 44 46 48 50
CNDS
1 2 3 4 5 6 7 8 9
CD RXD TXD DTR GND DSR RTS CTS CI
CNLIU
CNOP
OPTION
MEMORY
(FO-1MGG/
2MGG)
(OPTION FO-45VS)
(OPTION FO-45RS)
FO-4500H