Abnormality In The Ih Control Circuit - Toshiba e-STUDIO350 Service Manual

13.4.6 Abnormality in the IH control circuit

When an abnormality is detected in the IH control circuit, it stops the power supply to the IH coil and
displays a message "call for service".
(1) IH control circuit
CPU output level of the IH control circuit changes depending on the condition of IH coil. This output
level goes through the photocoupler into the gate array.
LGC board
Gate array
PA2
PA3
November 2003 © TOSHIBA TEC
IH board
5V SW
H1ERR1
H1ERR2
Fig. 13-407
13 - 13
VDD
CPU
e-STUDIO350/450 FUSER UNIT / PAPER EXIT SECTION
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