Kodak 2400DSV 6 PC3 Reader Position Sensor, 7 PC4 Scan Position Sensor, 8 PU1 Power Unit

Troubleshooting

7

7.6.6PC3: Reader Position Sensor

1	Is the voltage across PJ8-B12 on PWB-BB	→No	Replace PC3.
	and GND 0V when the Power ON/OFF
	Switch is in the ON position and the light
	emitted by the Sensor LED is blocked?
	↓ Yes
2	Is the voltage across PJ8-B12 on PWB-BB	→No	Replace PC3.
	and GND DC5V when the light emitted by the
		→Yes	OK
	Sensor LED strikes the Sensor
	photosensitive element?

7.6.7PC4: Scan Position Sensor

1	Is the voltage across PJ8-A6 on PWB-BB	→No	Replace PC4.
	and GND 0V when the Power ON/OFF
	Switch is in the ON position and the light
	emitted by the Sensor LED is blocked?
	↓ Yes
2	Is the voltage across PJ8-A6 on PWB-BB	→No	Replace PC4.
	and GND DC5V when the light emitted by the
		→Yes	OK
	Sensor LED strikes the Sensor
	photosensitive element?

7.6.8PU1: Power Unit

1	Is the Fuse of PU1 blown?	→Yes	Replace Fuse.
	↓ No
2	Is the output voltage of each Connector	→No	Replace PU1.
	correct when the Power Switch is in the ON
		→Yes	OK
	position?

7.6.9PU2: Projection Lamp Regulator

1	Is the Fuse of PU2 blown?	→Yes	Replace Fuse.
	↓ No
2	Is the voltage across CN7-1 and CN7-2	→No	Replace PU2.
	DC17.0V when the machine is in the reader
		→Yes	OK
	mode?

7.6.10 S1: Power Switch

1	Are the circuits across 1 and 2, and 3 and 4	→Yes	Replace S1.
	conducting when the Power Switch is
	removed from the machine and in the OFF
	position?
	↓ No
2	Are the circuits across 1 and 2, and 3 and 4	→No	Replace S1.
	conducting when the Switch is in the
		→Yes	OK
	position?

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