BIXOLON service manual Panel PBA and Sensor Problem, SRP-350/352plusA&C

SRP-350/352plusA&C

7-3 Panel PBA and Sensor Problem

Panel PBA
Problem
LED	N
Ok?
Y		1.	Check the LED Signal from CPU on Main PBA
		2.	Check the Harness (Signal, VCC, GND)
		3.	Check the related Circuit, Pattern & Component
	N	4.	Replace the Panel PBA
Feed S/W
Ok?
Y		1.	Check the Feed S/W Signal on Main PBA
		2.	Check the Harness
		3.	Check the related Circuit ,Pattern & Component
Cover Open	N
S/W Ok?
Y		1.	Check the Cover S/W Signal on Main PBA
		2.	Check the Harness
		3.	Check the related Circuit ,Pattern & Component
End
Sensor
Problem
Paper End	N
Ok?
Y		1.	Check the Paper End Sensor Signal on Main PBA
		2.	Check the related Circuit, Pattern & Component
		3.	Check the Harness
	N	4.	Check and Replace the P_End Sensor
Near End
Ok?
Y		1.	Check the Near-End Sensor on Main PBA
		2.	Check the Harness
		3.	Check and Replace the Micro S/W
End
Rev. 2.01			- 53 -