Kodak 4200 Projector User Manual


 
Diagnostics
SM5440-1 – 18NOV97 45
Voltage Specifications - General Parts
Power, Illumination, and Cooling Malfunctions
Part Procedure Voltage
FOCUS MOTOR ------ 6.7 V AC
CYCLE SOLENOID Press the REVERSE
BUTTON.
39 W, 10 V DC
RACK SOLENOID ------ 39 W, 10 V AC
LAMP RECEPTACLE ------ Standard Models:
82 V AC, approximately 85-86
V AC without a LAMP
MODULE installed
Long Life Models:
74 V AC, 76 V AC without
LAMP
DROPPING RESISTOR Move to the LO LAMP
position.
3.0 W, 10.4 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 voltageon 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
3. Check the LAMP TERMINAL ASSEMBLY
in the LAMP MODULE ASSEMBLY for
damage.
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.