Kodak 2400DSV service manual Electrical Components Check

7

Troubleshooting

7.6Electrical Components Check

7.6.1 LA1: Projection Lamp

1

Is the circuit across both terminals of the Lamp conducting when the Lamp is removed from the machine?

→No	Replace LA1.
→Yes	OK

7.6.2M3: Power Unit Cooling Fan Motor

1	Does the Motor start rotating when the Power	→Yes	OK
	ON/OFF Switch is turned ON?
	↓ No
2	Is the voltage across CN10-1 and GND	→No	Check wiring.
	DC24V with the Power Switch in the ON
		→Yes	Replace M3.
	position?

7.6.3M4: Projection Lamp Cooling Fan Motor

1	Does the Motor start rotating when the Power	→Yes	OK
	ON/OFF Switch is turned ON?
	↓ No
2	Is the voltage across CN18-1 and GND	→No	Check wiring.
	DC24V with the Power ON/OFF Switch in the
		→Yes	Replace M4.
	ON position?

7.6.4PC1: Image Leading Edge Sensor

1	Is the voltage across PJ8-A3 on PWB-BB	→No	Replace PC1.
	and GND 0V when the Power Switch is in the
	ON position and the light emitted by the
	Sensor LED is blocked?
	↓ Yes
2	Is the voltage across PJ8-A3 on PWB-BB	→No	Replace PC1.
	and GND DC5V when the light emitted by the
		→Yes	OK
	Sensor LED strikes the Sensor
	photosensitive element?

7.6.5PC2: Scan Mirror Position Sensor

1	Is the voltage across PJ8-B15 on PWB-BB	→No	Replace PC2.
	and GND 0V when the Power Switch is in the
	ON position and the light emitted by the
	Sensor LED is blocked?
	↓ Yes
2	Is the voltage across PJ8-B15 on PWB-BB	→No	Replace PC2.
	and GND DC5V when the light emitted by the
		→Yes	OK
	Sensor LED strikes the Sensor
	photosensitive element?

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