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Board Descriptions
A - 59
OKIOFFICE 44 Serv. Man., P/N 59276801
A3.12 CTR (PC Interface Unit) Circuit Diagram
CTR board is used as an interface board of PC and FAX when PC is connected to facsimile machine.
1.
Block diagram
CTR board circuit is formed by Receiver, Driver, and 1284-I/F.
Figure A3.12.1 shows related signals of CTR board.
1284-I/F
Receiver
Driver
Host PC
CN2
CN3
CN1
RD-N, WRL-N
PSBN
VEROP
ACK-N
CASL-N,
FLT-N
SELP
AFXN
BSYP
IPRN
AD8 to AD15
IC2
CTR (option)
R44/17
CPU
IOGA
AD0 to AD7
BRE0I
SLIN
PD0 to PD7
BACKI
CLK
BRE0O
BACKO
Figure A3.12.1 Related Signals of P050 (PC interface unit)
Содержание OKIOFFICE 44
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Страница 325: ...Illustrated Parts List D 2 OKIOFFICE 44 Service Manual P N 59276801 54 Section 1 Cabinet Assembly 1 2...
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Страница 329: ...Illustrated Parts List D 6 OKIOFFICE 44 Service Manual P N 59276801 Section 2 Printer Unit...
Страница 331: ...Illustrated Parts List D 8 OKIOFFICE 44 Service Manual P N 59276801 Section 3 Operator Panel...
Страница 333: ...Illustrated Parts List D 10 OKIOFFICE 44 Service Manual P N 59276801 Section 4 Operator Panel Assembly...
Страница 335: ...Illustrated Parts List D 12 OKIOFFICE 44 Service Manual P N 59276801 Section 5 Frame Assembly Scanner L...
Страница 337: ...Illustrated Parts List D 14 OKIOFFICE 44 Service Manual P N 59276801 Section 6 Plate Assembly Scanner B...
Страница 339: ...Illustrated Parts List D 16 OKIOFFICE 44 Service Manual P N 59276801 Section 7 Plate Assembly Scanner R...
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Страница 388: ...OKIOFFICE 44 Service Manual Part Number 59276801 Printed in the USA...