A.
A.
A.
A.
A. TEST PROCEDURES
TEST PROCEDURES
TEST PROCEDURES
TEST PROCEDURES
TEST PROCEDURES
COMPONENT
COMPONENT
COMPONENT
COMPONENT
COMPONENT
CHECKOUT PROCEDURE
CHECKOUT PROCEDURE
CHECKOUT PROCEDURE
CHECKOUT PROCEDURE
CHECKOUT PROCEDURE
RESUL
RESUL
RESUL
RESUL
RESULTTTTT
1) Check for resistance : Across the filament
Normal reading :
terminals of the Magnetron with an Ohm-Meter
Less than 1 Ohm.
on R x 1 scale.
2) Check for resistance : Between each filament
Normal reading :
terminal of the Magnetron and the chassis
Infinite Ohms.
ground with an Ohm-Meter on highest scale.
1) Measure the resistance :
Normal readings :
With an Ohm-Meter on R x 1 scale.
a.
Primary winding :
Approximately 0.27 Ohms.
b.
Filament winding :
Less than 1 Ohm.
c.
Secondary winding :
Approximately 68.9 Ohms.
2) Measure the resistance :
Normal readings :
With an Ohm-Meter on highest scale.
a.
Primary winding to ground.
Infinite Ohms.
b
Filament winding to ground.
Infinite Ohms.
Note
Note
Note
Note
Note
: Remove varnish of
measured point.
Filament Windings
Primary
Windings
Secondary
Windings
6. TEST PROCEDURES AND TROUBLESHOOTING
6. TEST PROCEDURES AND TROUBLESHOOTING
6. TEST PROCEDURES AND TROUBLESHOOTING
6. TEST PROCEDURES AND TROUBLESHOOTING
6. TEST PROCEDURES AND TROUBLESHOOTING
CAUTION
CAUTION
CAUTION
CAUTION
CAUTION
- DISCONNECT THE POWER SUPPL
- DISCONNECT THE POWER SUPPL
- DISCONNECT THE POWER SUPPL
- DISCONNECT THE POWER SUPPL
- DISCONNECT THE POWER SUPPLY CORD FROM
Y CORD FROM
Y CORD FROM
Y CORD FROM
Y CORD FROM
THE W
THE W
THE W
THE W
THE WALL OUTLET WHENEVER REMOVING THE
ALL OUTLET WHENEVER REMOVING THE
ALL OUTLET WHENEVER REMOVING THE
ALL OUTLET WHENEVER REMOVING THE
ALL OUTLET WHENEVER REMOVING THE
CABINET FROM THE UNIT
CABINET FROM THE UNIT
CABINET FROM THE UNIT
CABINET FROM THE UNIT
CABINET FROM THE UNIT, PROCEED WITH THE
, PROCEED WITH THE
, PROCEED WITH THE
, PROCEED WITH THE
, PROCEED WITH THE
TESTS ONL
TESTS ONL
TESTS ONL
TESTS ONL
TESTS ONLY AFTER DISCHARGING THE HIGH
Y AFTER DISCHARGING THE HIGH
Y AFTER DISCHARGING THE HIGH
Y AFTER DISCHARGING THE HIGH
Y AFTER DISCHARGING THE HIGH
VOL
VOL
VOL
VOL
VOLTTTTTAGE CAP
AGE CAP
AGE CAP
AGE CAP
AGE CAPACITOR AND REMOVING THE LEAD
ACITOR AND REMOVING THE LEAD
ACITOR AND REMOVING THE LEAD
ACITOR AND REMOVING THE LEAD
ACITOR AND REMOVING THE LEAD
WIRES FROM THE PRIMAR
WIRES FROM THE PRIMAR
WIRES FROM THE PRIMAR
WIRES FROM THE PRIMAR
WIRES FROM THE PRIMARY WINDING OF THE
Y WINDING OF THE
Y WINDING OF THE
Y WINDING OF THE
Y WINDING OF THE
HIGH VOL
HIGH VOL
HIGH VOL
HIGH VOL
HIGH VOLTTTTTAGE TRANSFORMER. (SEE FIGURE 3)
AGE TRANSFORMER. (SEE FIGURE 3)
AGE TRANSFORMER. (SEE FIGURE 3)
AGE TRANSFORMER. (SEE FIGURE 3)
AGE TRANSFORMER. (SEE FIGURE 3)
Figure 3
Figure 3
Figure 3
Figure 3
Figure 3
Figure 4
Figure 4
Figure 4
Figure 4
Figure 4
Figure 5
Figure 5
Figure 5
Figure 5
Figure 5
Figure 6
Figure 6
Figure 6
Figure 6
Figure 6
Ohm-Meter
Ohm-Meter
Ohm-Meter
Ohm-Meter
Ohm-Meter
Ohm-Meter
Ohm-Meter
Ohm-Meter
Ohm-Meter
Ohm-Meter
Ohm-meter
Ohm-meter
Ohm-meter
Ohm-meter
Ohm-meter
- 4 -
HIGH-VOLTAGE
TRANSFORMER
MAGNETRON