40055101TH Rev.4
458 /
A3.8
TELU, TEL-W2, TEL-W1, TEL-W2D and TEL-W2F Circuit Diagram (option)
TEL board is used for the control board of the telephone set when the optional telephone assembly is
installed on the facsimile transceiver, and TEL board is selected from TELU, TEL-W2, TEL-W1, TEL-
W2D and TEL-W2F because it differs depending on country’s specifications. Therefore, the TEL circuit
diagram is destined for the following countries.
Note: The relationship between TEL and other boards (NCU, NTIF, HOOK, etc.) shows A3.
OKIOFFICE44/OKIFAX 4100/5000 series facsimile transceiver (page A3-101).
•
TELU circuit diagram
US and Canada.
•
TEL-W2 circuit diagram
Sweden, Finland, The Netherlands, Ireland, Portugal, New Zealand, Australia, Spain, Greece,
Switzerland and Austria.
•
TEL-W1 circuit diagram
UK, Norway, Denmark, Belgium and Italy.
•
TEL-W2D circuit diagram
Germany
•
TEL-W2F
France
1.
Block diagram
•
Figure A3.8.1 shows a block diagram of TELU circuit.
•
Figure A3.8.2 shows a block diagram of TEL-W2 circuit.
•
Figure A3.8.3 shows a block diagram of TEL-W1 circuit.
•
Figure A3.8.4 shows a block diagram of TEL-W2D circuit.
•
Figure A3.8.5 shows a block diagram of TEL-W2F circuit.
2.
General functions of this circuit are as follows:
•
Speech IC
•
Sending Level Adjustment
•
Receiving Level Adjustment
•
Sending Frequency Response Adjustment
•
Side Tone Adjustment
•
DC V-1 Characteristics Adjustment
•
Return Loss Adjustment
•
AGC (automatic gain control)
•
Manual Pad
•
Sending Frequency Response Adjustment
•
Receiving Frequency Response Adjustment
•
Pulse Dialing (for TEL-W1)
•
MF Dialing (for TEL-W1)
•
Charge Pulse Elimination Characteristics (for TEL-W2D)
•
Handset Interface
Summary of Contents for B4100
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Page 545: ...40055101TH Rev 4 545 54 SECTION 1 CABINET ASSEMBLY FAX NIP FX048...
Page 548: ...40055101TH Rev 4 548 SECTION 2 UNIT PRINTER...
Page 550: ...40055101TH Rev 4 550 SECTION 3 UNIT 048 OPE PANEL...
Page 552: ...40055101TH Rev 4 552 SECTION 4 OPEPANEL OPERATION PANEL ASSEMBLY...
Page 554: ...40055101TH Rev 4 554 SECTION 5 FRAME ASSEMBLY SCANNER L...
Page 556: ...40055101TH Rev 4 556 SECTION 6 PLATE ASSEMBLY SCANNER B...
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Page 562: ...40055101TH Rev 4 562 13 SECTION 9 COVER ASSEMBLY TOP...
Page 564: ...40055101TH Rev 4 564 SECTION 10 PLATE ASSEMBLY BASE...
Page 569: ...40055101TH Rev 4 569 SECTION 12 PRINTER HEAT ASSY...
Page 571: ...40055101TH Rev 4 571 SECTION 13 CABLES...
Page 574: ...40055101TH Rev 4 574 SECTION 1 CABINET ASSEMBLY...
Page 576: ...40055101TH Rev 4 576 SECTION 2 CONTROL PANEL ASSEMBLY OKIFAX 5200 5300...
Page 577: ...40055101TH Rev 4 577 SECTION 2 CONTROL PANEL ASSEMBLY OKIFAX 5500 5600...
Page 579: ...40055101TH Rev 4 579 SECTION 3 PRINTER ASSEMBLY...
Page 582: ...40055101TH Rev 4 582 SECTION 4 BASE ASSEMBLY 30 37 38...
Page 585: ...40055101TH Rev 4 585 SECTION 5 SCAN UNIT...
Page 587: ...40055101TH Rev 4 587 SECTION 6 PAPER GUIDE U ASSEMBLY...
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