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Now downloading free:CANON B100 009

CANON B100 009 free download

Fax machine and office equipment service manual and repair information

File information:
File name:B100_009.PDF
[preview B100 009]
Size:394 kB
Extension:PDF
Mfg:CANON
Model:B100 009 🔎
Original:B100 009 🔎
Descr: CANON Fax B100 B100_009.PDF
Group:Electronics > Consumer electronics > FAX
Uploaded:08-03-2020
User:Anonymous
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File name B100_009.PDF

SERVICE BULLETIN FAX Issued by Canon Europa N.V. MODEL: FAX-B100, MultiPASS 10 No.: B100-009 Rev. 1 (HS-B0E-0037-01) Date: 02.08.96 LOCATION: SCNT BOARD ASSY MODEL NO.: H12-0273 (EC) H12-0303 (EC) SUBJECT: PATTERN CUT / PARTS ADDED / PARTS CHANGED OUTLINE R241 was added as a countermeasure to the problem During F/T switching, the machine goes on hold if the handset is lifted, with the result that the ESS time was shortened. To counter this problem, a pattern cut, jumper wire addition and resistor relocation will be implemented. * If the HH1-1984-06 NCU (HG5-0616 version 03) is used, a countermeasure treated SCNT must be used. * If the SCNT is not treated this countermeasure, NCU version over 03 cannot be used with it. SERVICE TIP There are restrictions on the combination of SCNT, MAIN ROM and NCU. Further details will be issued later. Pattern change +5V changed to VCC1 For details, see following pages. FAX -2- B100-009 Rev. 1 Items of caution 1. Check with a tester after the pattern cut has been made. 2. Do not cut other patterns nearby. 3. Be sure not to short other parts, circuits. Affected machines With HG5-0619/HG5-0622 SCNT BOARD ASSEMBLY are to be used with PCB HH1-1983-03 and HH1-1983-05, and the HG5-0616 NCU BOARD ASSEMBLY is to be used with PCB HH1-1984-06. Circuit check with tester 1. Check that the circuit is cut between A and A. 2. Check that the circuit is connected between B and B. * Check that the pattern has not been cut wrongly. Component side FAX -3- B100-009 Rev. 1 Procedure when PCB HH1-1983-03 has an 820 resistor attached. (See Service Bulletin B100-015.) 1. If the 820 resistor is attached to the component side, cut it off with a pair of wire cutters. If it is on the soldered side, leave it as it is. 2. Cut the 5V pattern line. 3. After cutting away the solder from the through hole, thread the jumper wire through, and solder it. 4. Add the 820 resistor to the solder side. (Details are the same as Service Bulletin B100-015.) Component side Jumper wire Pattern cut Solder side Add 820 resistor (lower side of Q34E-FB47) Be careful of the solder bridge FAX

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