40055101TH Rev.4
259 /
(4) No 24 V output
Yes
Yes
Yes
No
No
No
Replacement
Replacement
Replacement
1. Q1 short circuit
2. Q3 short circuit
3. R9 open circuit
4. D8, D9 or D10 short circuit
1. ZD7 or ZD8 short circuit
2. C22 short circuit
3. ZD5 short circuit
4. Check any short circuit on the load side.
5. D9 open circuit
1. Q4 open circuit
2. R24 open circuit
3. ZD3 or ZD4 open circuit
Is there oscillation
waveform at VCE of Q1?
Is the voltage across
C22 at 24 V or more?
Is the voltage across
C23 at 24 V or more?
End
Start
Содержание B4100
Страница 73: ...40055101TH Rev 4 73 2 For OKIFAX 5000 series AC Power Switch AC Inlet FX050VP C2 014...
Страница 158: ...40055101TH Rev 4 158 Appearance of the OKIOFFICE44 OKIFAX 4100 FX048 CP4 1 Fig 01...
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Страница 545: ...40055101TH Rev 4 545 54 SECTION 1 CABINET ASSEMBLY FAX NIP FX048...
Страница 548: ...40055101TH Rev 4 548 SECTION 2 UNIT PRINTER...
Страница 550: ...40055101TH Rev 4 550 SECTION 3 UNIT 048 OPE PANEL...
Страница 552: ...40055101TH Rev 4 552 SECTION 4 OPEPANEL OPERATION PANEL ASSEMBLY...
Страница 554: ...40055101TH Rev 4 554 SECTION 5 FRAME ASSEMBLY SCANNER L...
Страница 556: ...40055101TH Rev 4 556 SECTION 6 PLATE ASSEMBLY SCANNER B...
Страница 558: ...40055101TH Rev 4 558 SECTION 7 PLATE ASSEMBLY SCANNER R...
Страница 560: ...40055101TH Rev 4 560 17 16 15 10 SECTION 8 FRAME ASSEMBLY SCANNER U...
Страница 562: ...40055101TH Rev 4 562 13 SECTION 9 COVER ASSEMBLY TOP...
Страница 564: ...40055101TH Rev 4 564 SECTION 10 PLATE ASSEMBLY BASE...
Страница 569: ...40055101TH Rev 4 569 SECTION 12 PRINTER HEAT ASSY...
Страница 571: ...40055101TH Rev 4 571 SECTION 13 CABLES...
Страница 574: ...40055101TH Rev 4 574 SECTION 1 CABINET ASSEMBLY...
Страница 576: ...40055101TH Rev 4 576 SECTION 2 CONTROL PANEL ASSEMBLY OKIFAX 5200 5300...
Страница 577: ...40055101TH Rev 4 577 SECTION 2 CONTROL PANEL ASSEMBLY OKIFAX 5500 5600...
Страница 579: ...40055101TH Rev 4 579 SECTION 3 PRINTER ASSEMBLY...
Страница 582: ...40055101TH Rev 4 582 SECTION 4 BASE ASSEMBLY 30 37 38...
Страница 585: ...40055101TH Rev 4 585 SECTION 5 SCAN UNIT...
Страница 587: ...40055101TH Rev 4 587 SECTION 6 PAPER GUIDE U ASSEMBLY...
Страница 589: ...40055101TH Rev 4 589 SECTION 7 CABLES 10...
Страница 591: ...40055101TH Rev 4 591 SECTION 8 OPTION TELEPHONE US...
Страница 594: ...40055101TH Rev 4 594 SECTION 8 OPTION TELEPHONE UK ITA NOR DEN BEL...
Страница 597: ...40055101TH Rev 4 597 SECTION 8 OPTION TELEPHONE HOL GER FRA SWITZ AUT INT L...
Страница 615: ...40055101TH Rev 4 615 5 2 PCB Layout TQSB 2PCB PU FG CONTROLLER MOTOR DRIVER SEN2 MOTOR OSC SEN1...
Страница 616: ...40055101TH Rev 4 616 Figure 6 1 6 PARTS LIST SECTION1 CABINET CASSETTE ASSEMBLY 7 2 8 1 6 5 3 4 O P...
Страница 617: ...40055101TH Rev 4 617 SECTION2 MECHANICAL ASSEMBLY Figure 6 2 0 D A E C K B L 9 M F H N G R Q S T U V J I B A B A...