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6. Electrical parts
66200
66200
Explanation of PCBs (Processor section)
*1. Cannot use the voltmeter.
TP7 DC+12 V voltage measurement
• Paper sensor (right, center, left), dryer
select sensor, processing solution
thermosensor, dryer thermosensor
power supply
• Analog power supply
• Processor control PCB failure
• It shorted out between the processor control
PCB and paper sensor (right, center, left),
dryer select sensor.
• The temperatures of the
processing solution
temperature sensor and
dryer tthermosensor cannot
be adjusted.
TP8 Ground −−
TP9 DC + 5 V analog voltage measurement
(analog)
• Power supply of the processing
solution temperature sensor, dryer
thermosensor
• Analog power supply
• Processor control PCB failure • The temperatures of the
processing solution
temperature sensor and
dryer tthermosensor cannot
be adjusted.
TP10
*
1
Thermosensor input voltage measurement −−
TP11 DC 2.5 V voltage measurement
• Thermosensor standard voltage
measurement
• Processor control PCB failure • The temperatures of the
processing solution
temperature sensor and
dryer tthermosensor cannot
be adjusted.
TP12 DC 1.0 V voltage measurement
• Thermosensor standard voltage
measurement
• Processor control PCB failure
• It shorted out between the processor control
PCB and processing solution thermosensor.
• It shorted out between the processor control
PCB and dryer thermosensor.
• The temperatures of the
processing solution
temperature sensor and
dryer tthermosensor cannot
be adjusted.
TP13 DC12 V voltage measurement
• Colorimeter power supply
• Processor control PCB failure
• It shorted out between the processor control
PCB and colorimeter.
• The colorimeter does not
work.
Switch No. Bit No. Settings Purpose Remarks
DS1 1 OFF Unused Be sure to turn off.
2OFF
3OFF
4OFF
Jumper No. Settings Open Short Remarks
JP2 Open When operated Unused Be sure to set to open.
TP Purpose When the normal value (# V) is not detected Symptom
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