SANYO EM-P410WS Service Manual

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Filament Windings
Primary
Windings
Secondary
Windings
6. TEST PROCEDURES AND TROUBLESHOOTING6. TEST PROCEDURES AND TROUBLESHOOTING
6. TEST PROCEDURES AND TROUBLESHOOTING6. TEST PROCEDURES AND TROUBLESHOOTING
6. TEST PROCEDURES AND TROUBLESHOOTING
CAUTIONCAUTION
CAUTIONCAUTION
CAUTION
- DISCONNECT THE POWER SUPPL- DISCONNECT THE POWER SUPPL
- DISCONNECT THE POWER SUPPL- DISCONNECT THE POWER SUPPL
- DISCONNECT THE POWER SUPPL
Y CORD FROMY CORD FROM
Y CORD FROMY CORD FROM
Y CORD FROM
THE WTHE W
THE WTHE W
THE W
ALL OUTLET WHENEVER REMOVING THEALL OUTLET WHENEVER REMOVING THE
ALL OUTLET WHENEVER REMOVING THEALL OUTLET WHENEVER REMOVING THE
ALL OUTLET WHENEVER REMOVING THE
CABINET FROM THE UNITCABINET FROM THE UNIT
CABINET FROM THE UNITCABINET FROM THE UNIT
CABINET FROM THE UNIT
, PROCEED WITH THE, PROCEED WITH THE
, PROCEED WITH THE, PROCEED WITH THE
, PROCEED WITH THE
TESTS ONLTESTS ONL
TESTS ONLTESTS ONL
TESTS ONL
Y AFTER DISCHARGING THE HIGHY AFTER DISCHARGING THE HIGH
Y AFTER DISCHARGING THE HIGHY AFTER DISCHARGING THE HIGH
Y AFTER DISCHARGING THE HIGH
VOLVOL
VOLVOL
VOL
TT
TT
T
AGE CAPAGE CAP
AGE CAPAGE CAP
AGE CAP
ACITOR AND REMOVING THE LEADACITOR AND REMOVING THE LEAD
ACITOR AND REMOVING THE LEADACITOR AND REMOVING THE LEAD
ACITOR AND REMOVING THE LEAD
WIRES FROM THE PRIMARWIRES FROM THE PRIMAR
WIRES FROM THE PRIMARWIRES FROM THE PRIMAR
WIRES FROM THE PRIMAR
Y WINDING OF THEY WINDING OF THE
Y WINDING OF THEY WINDING OF THE
Y WINDING OF THE
HIGH VOLHIGH VOL
HIGH VOLHIGH VOL
HIGH VOL
TT
TT
T
AGE 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 3Figure 3
Figure 3Figure 3
Figure 3
Figure 4Figure 4
Figure 4Figure 4
Figure 4
Figure 5Figure 5
Figure 5Figure 5
Figure 5
Figure 6Figure 6
Figure 6Figure 6
Figure 6
Ohm-meterOhm-meter
Ohm-meterOhm-meter
Ohm-meter
Ohm-meterOhm-meter
Ohm-meterOhm-meter
Ohm-meter
Ohm-meterOhm-meter
Ohm-meterOhm-meter
Ohm-meter
- 4 -
A.A.
A.A.
A.
TEST PROCEDURESTEST PROCEDURES
TEST PROCEDURESTEST PROCEDURES
TEST PROCEDURES
COMPONENT COMPONENT
COMPONENT COMPONENT
COMPONENT
CHECKOUT PROCEDURE CHECKOUT PROCEDURE
CHECKOUT PROCEDURE CHECKOUT PROCEDURE
CHECKOUT PROCEDURE
RESUL RESUL
RESUL RESUL
RESUL
TT
TT
T
1)1)
1)1)
1)
Check for rCheck for r
Check for rCheck for r
Check for r
esistance : Acresistance : Acr
esistance : Acresistance : Acr
esistance : Acr
oss the filamentoss the filament
oss the filamentoss the filament
oss the filament
Normal reading :Normal reading :
Normal reading :Normal reading :
Normal reading :
terter
terter
ter
minals of the magnetrminals of the magnetr
minals of the magnetrminals of the magnetr
minals of the magnetr
on with an ohm-meteron with an ohm-meter
on with an ohm-meteron 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.
MAGNETRONMAGNETRON
MAGNETRONMAGNETRON
MAGNETRON
2)2)
2)2)
2)
Check for rCheck for r
Check for rCheck for r
Check for r
esistance : Between each filamentesistance : Between each filament
esistance : Between each filamentesistance : Between each filament
esistance : Between each filament
Normal reading :Normal reading :
Normal reading :Normal reading :
Normal reading :
terter
terter
ter
minal of the magnetrminal of the magnetr
minal of the magnetrminal of the magnetr
minal of the magnetr
on and the chassison and the chassis
on and the chassison and the chassis
on and the chassis
Infinite ohms.Infinite ohms.
Infinite ohms.Infinite ohms.
Infinite ohms.
grgr
grgr
gr
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.
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 :
WW
WW
W
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.
ith an ohm-meter on R x 1 scale.
a.a.
a.a.
a.
Primary winding :Primary winding :
Primary winding :Primary winding :
Primary winding :
ApprAppr
ApprAppr
Appr
oximately 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 :
ApprAppr
ApprAppr
Appr
oximately 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 :
WW
WW
W
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.
ith an ohm-meter on highest scale.
a.a.
a.a.
a.
Primary winding to grPrimary winding to gr
Primary winding to grPrimary winding to gr
Primary winding to gr
ound.ound.
ound.ound.
ound.
Infinite ohms.Infinite ohms.
Infinite ohms.Infinite ohms.
Infinite ohms.
HIGH-VOLHIGH-VOL
HIGH-VOLHIGH-VOL
HIGH-VOL
TT
TT
T
AGEAGE
AGEAGE
AGE
bb
bb
b
Filament winding to grFilament winding to gr
Filament winding to grFilament winding to gr
Filament winding to gr
ound.ound.
ound.ound.
ound.
Infinite ohms.Infinite ohms.
Infinite ohms.Infinite ohms.
Infinite ohms.
TRANSFORMERTRANSFORMER
TRANSFORMERTRANSFORMER
TRANSFORMER
Note :Note :
Note :Note :
Note :
Remove varRemove var
Remove varRemove var
Remove var
nish ofnish of
nish ofnish of
nish of
measurmeasur
measurmeasur
measur
ed point.ed point.
ed point.ed point.
ed point.