Troubleshooting - Canon DADF-B1 Service Manual

II. TROUBLESHOOTING
You cannot directly fit the probes of a meter into the connectors (J6, J7) of the PCB of the ADF.
(The connectors are designed in a special way to ensure good connection.) If you must check the
connector J6 or J7 on the ADF controller PCB when performing troubleshooting work, be sure to
obtain a probe extension (FY9-3038-000, FY9-3039-000).
1) Set the meter to the DC range.
2) Connect the probe of the meter to GND (0 VDC) on the ADF controller PCB.
3) Set the probe extension as follows:
[ Method 1 ]
[ Connection 2 ]
COPYRIGHT © 1999 CANON INC.
Grasp the
pin
Grasp the
pin
Figure 5-201
CANON DADF-B1 REV.0 APR. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON)
CHAPTER 5 TROUBLESHOOTING
FY9-2003-000
Probe extension
(FY9-3038)
FY9-2004-000
Clip
Probe
extension
Meter
Meter
5-9