Thermistor Disconnection Detection - Toshiba 1550 Service Manual
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Also See for 1550:
- Service handbook (63 pages) ,
- Operator's manual (31 pages) ,
- Manual (32 pages)
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(2) Thermistor disconnection detection
•
Resistance value of thermistor changesfInput voltage changes
•
Input voltage can be obtained by dividing the pressure of R170, thermistor, R27 and R29.
•
The main CPU detects the changes and judges whether the thermistor is normal or not.
+5V
1550/1560 FUSER
Thermistor
R170
R27
R29
+5V
R7
R25
C12
R8
C13
DA converter
R28
M62353FP
12 - 10
R26
IC10
P35/BSAK
IC2:
GA
(A06)
IC12
Mar. 1998 © TOSHIBA
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