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 -
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)
1)
1)
1)
1) Check for r
Check for r
Check for r
Check for r
Check for resistance : Acr
esistance : Acr
esistance : Acr
esistance : Acr
esistance : Across the filament
oss the filament
oss the filament
oss the filament
oss the filament
Normal reading :
Normal reading :
Normal reading :
Normal reading :
Normal reading :
ter
ter
ter
ter
terminals of the magnetr
minals of the magnetr
minals of the magnetr
minals of the magnetr
minals of the magnetron with an ohm-meter
on with an ohm-meter
on with an ohm-meter
on with an ohm-meter
on with an ohm-meter
Less than 1 ohm.
Less than 1 ohm.
Less than 1 ohm.
Less than 1 ohm.
Less than 1 ohm.
on R x 1 scale.
on R x 1 scale.
on R x 1 scale.
on R x 1 scale.
on R x 1 scale.
MAGNETRON
MAGNETRON
MAGNETRON
MAGNETRON
MAGNETRON
2)
2)
2)
2)
2) Check for r
Check for r
Check for r
Check for r
Check for resistance : Between each filament
esistance : Between each filament
esistance : Between each filament
esistance : Between each filament
esistance : Between each filament
Normal reading :
Normal reading :
Normal reading :
Normal reading :
Normal reading :
ter
ter
ter
ter
terminal of the magnetr
minal of the magnetr
minal of the magnetr
minal of the magnetr
minal of the magnetron and the chassis
on and the chassis
on and the chassis
on and the chassis
on and the chassis
Infinite ohms.
Infinite ohms.
Infinite ohms.
Infinite ohms.
Infinite ohms.
gr
gr
gr
gr
ground with an ohm-meter on highest scale.
ound with an ohm-meter on highest scale.
ound with an ohm-meter on highest scale.
ound with an ohm-meter on highest scale.
ound with an ohm-meter on highest scale.
1)
1)
1)
1)
1) Measure the resistance :
Measure the resistance :
Measure the resistance :
Measure the resistance :
Measure the resistance :
Normal readings :
Normal readings :
Normal readings :
Normal readings :
Normal readings :
W
W
W
W
With an ohm-meter on R x 1 scale.
ith an ohm-meter on R x 1 scale.
ith an ohm-meter on R x 1 scale.
ith an ohm-meter on R x 1 scale.
ith an ohm-meter on R x 1 scale.
a.
a.
a.
a.
a.
Primary winding :
Primary winding :
Primary winding :
Primary winding :
Primary winding :
Appr
Appr
Appr
Appr
Approximately 0.32 ohms.
oximately 0.32 ohms.
oximately 0.32 ohms.
oximately 0.32 ohms.
oximately 0.32 ohms.
b.
b.
b.
b.
b.
Filament winding :
Filament winding :
Filament winding :
Filament winding :
Filament winding :
Less than 1 ohm.
Less than 1 ohm.
Less than 1 ohm.
Less than 1 ohm.
Less than 1 ohm.
c.
c.
c.
c.
c.
Secondary winding :
Secondary winding :
Secondary winding :
Secondary winding :
Secondary winding :
Appr
Appr
Appr
Appr
Approximately 75.2 ohms.
oximately 75.2 ohms.
oximately 75.2 ohms.
oximately 75.2 ohms.
oximately 75.2 ohms.
2)
2)
2)
2)
2) Measure the resistance :
Measure the resistance :
Measure the resistance :
Measure the resistance :
Measure the resistance :
Normal readings :
Normal readings :
Normal readings :
Normal readings :
Normal readings :
W
W
W
W
With an ohm-meter on highest scale.
ith an ohm-meter on highest scale.
ith an ohm-meter on highest scale.
ith an ohm-meter on highest scale.
ith an ohm-meter on highest scale.
a.
a.
a.
a.
a.
Primary winding to gr
Primary winding to gr
Primary winding to gr
Primary winding to gr
Primary winding to ground.
ound.
ound.
ound.
ound.
Infinite ohms.
Infinite ohms.
Infinite ohms.
Infinite ohms.
Infinite ohms.
HIGH-VOL
HIGH-VOL
HIGH-VOL
HIGH-VOL
HIGH-VOLTTTTTAGE
AGE
AGE
AGE
AGE
b
b
b
b
b
Filament winding to gr
Filament winding to gr
Filament winding to gr
Filament winding to gr
Filament winding to ground.
ound.
ound.
ound.
ound.
Infinite ohms.
Infinite ohms.
Infinite ohms.
Infinite ohms.
Infinite ohms.
TRANSFORMER
TRANSFORMER
TRANSFORMER
TRANSFORMER
TRANSFORMER
Note :
Note :
Note :
Note :
Note : Remove var
Remove var
Remove var
Remove var
Remove varnish of
nish of
nish of
nish of
nish of
measur
measur
measur
measur
measured point.
ed point.
ed point.
ed point.
ed point.
