Trouble Of Determining Presence Or Absence Of Paper; Thermal Head Up/Down Operation Trouble - Sony UP-897MD Service Manual

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4-3.

Trouble of determining presence or absence of paper

Is the signal from the

sensor input to 2-pin

of CN205 on the

MA-132 board?

Failure of D202 on the SE-768 board

Failure of Q302 on the SE-769 board

Is the signal from the

sensor input to 7-pin

of CN201 on the

MA-132 board?

Failure of Q101 on the KY-572 board

Failure of D801 on the SE-769 board

Failure of 43-pin and 175-pin of [C202 on the

MA-132 board

4-4.

Thermal head UP/DOWN operation trouble

START

Does the head motor

operate?

Failure of 1C201/Q201 on the SE-768 board

\s the signal from the

sensor input to 3-pin and

5-pin of CN204 on the

MA-132 board?

Failure of head position sensor or

PH201/PH203 on the SE-768 board

Failure of 53-pin and 96-pin of IC202 on the

MA-132 board

UP-897MD

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