Toshiba f97k094 Service Note

BSI(Service Note) TOSHIBA
TOSHIBA TEC CORPORATION
2-4-1, Shibakoen, Minato-ku, TOKYO, 105-8524 JAPAN
BSI No
F97K094
SUBJECT
MODEL
CATEGORY
Other countermeasures, Treatment in the field
1550: From Oct. 1560: First lot
CONTENT
[ Phenomenon / Cause ] If the machine is installed at a location with high humidity, E03 jam or wrong operation (control panel lock etc.) may be caused by noise. [ Countermeasure ] To cut the noise, a ferrite core has been added to the harness (K-WH-LGCFED-140) with connection to the connector J8 of the logic PC board. The countermeasure has been applied to the 1560 from the first lot.
1550, 1560
FIELD APPLICATION
To be applied when necessary
FACTORY APPLICATION
Date
97/12/16
UNIT
Electrical Circuit
DTM-F7901
Change/Added Parts Number
Part Name
Harness 6-19
Ferrite core 6-49
[ Method of field treatment ] When the above occurs, a ferrite core should be installed to the present harness. (Refer to the method below.)
Installing Method of the Ferrite Core
1. Pull out the power cord.
2. Remove the rear cover (2 screws)
Page-Item Current New Remarks Interchangeability
4400678080 K-WH-LGCFED-140
---- 4843524166
4402906600 K-WH-LGCFED-140
FLD-TFC16-8-13
A ferrite core has been included. Addition B
B
3. Pull out the harness connector which
Harness
Ferrite core
Harness band
Ferrite core
connects to connector J8 of the logic PC board.
4. Install the ferrite core at the removed harness band.
BSI No. F97K094 Page 2
Logic PC board
Connector J8 of logic PC board
5. Catch on the hook of the ferrite core.
6. Connect the harness connector at the connector J8 of the logic PC board.
7. Install the rear cover (2 screws).
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