Kodak Ektagraphic III PAINTED and NON-PAINTED PROJECTORS J-E PLUS - Manual (Page 47)

Diagnostics
SM4530-1 – 30APR96 47
Voltage Specifications - General Parts
Power, Illumination, and Cooling Malfunctions
Part Procedure Voltage
FOCUS MOTOR None 8.5 V AC
CYCLE SOLENOID Press the REVERSE BUTTON. 39 W, 18.7 V DC
RACK SOLENOID None 39 W, 10 V AC
LAMP RECEPTACLE None 82 V AC, approximately 85-86 V AC without a
LAMP MODULE installed
DROPPING RESISTOR Move to the LO LAMP position. 3.0 W, 10.6 V AC drop across
Malfunction Check
The MOTOR does not operate. 1. Check the continuity across the THERMAL
FUSE ASSEMBLY, and MOTOR FUSE.
2. Check that the primary voltage on the MAIN
MOTOR is correct.
3. Check that the voltage on POWER
SWITCH is correct.
The FAN does not operate, MOTOR operates. 1. Check that the FAN BELT is not broken.
2. Check and remove obstructions in the FAN
area.
There is excessive noise in the FAN. 1. Check and remove obstructions in the FAN
area.
2. Check that the tension is correct on the
FAN BELT.
3. Check that the FAN BELT is clean.
4. Check the condition of the BEARING in the
FAN ASSEMBLY.
The LAMP does not operate. 1. Check the LAMP for damage.
2. Check the LAMP RECEPTACLE
ASSEMBLY for damage and correct
voltage.
3. Check the LAMP TERMINAL ASSEMBLY
in the LAMP MODULE ASSEMBLY for
damage.
The LO LAMP does not operate. 1. Check that the W of the DROPPING
RESISTOR is 3 W.
2. Check that the wire connections on the
POWER SWITCH are correct.
3. Check the POWER SWITCH for correct
operation.
There is an obstruction in the light path. 1. Check the DARK SHUTTER for correct
operation. See the adjustment for the
DARK SHUTTER.
2. Check the LIGHT BAFFLE in the
MECHANISM for damage; it should not
cause a jam in the SHUTTER.