Testing Procedures

Testing Procedures

!WARNING

To avoid risk of electrical shock, personal injury or death; disconnect power to microwave oven and discharge the high voltage capacitor before servicing, unless testing requires power.

Component Testing Procedures

Illustration

Component

 

Test Procedure
Results

 

High voltage

Discharge Capacitor

 

 

transformer

Disconnect connector and measure

 

 

 

continuity with meter on R x 1 scale:

 

 

120 V

 

Secondary

Approx. 118-123 Ω.

 

 

Filament

Continuity.

 

Secondary

 

 

Primary

 

Primary (High & Low)

Less than 1 Ω.

 

(Measure at room temp., or 70° F/ 22° C.)

 

 

 

 

 

Filament

Measure continuity with meter on "High"

 

JMV9169BA*,

0 V

scale:

Primary winding to ground

Infinite Ω.

 

JMV8166BA*

 

 

Filament winding to ground

Infinite Ω.

 

High voltage

Discharge Capacitor

 

 

transformer

Disconnect connector and measure

 

 

 

continuity with meter on R x 1 scale:

 

 

120 V

 

Secondary

Approx. 65-69 Ω.

 

 

Filament

Continuity.

 

Secondary

 

 

Primary

 

Primary (High & Low)

Less than 1 Ω.

 

(Measure at room temp., or 70° F/ 22° C.)

 

 

 

 

 

Filament

Measure continuity with meter on "High"

 

AMV6167BD*

0 V

scale:

Primary winding to ground

Infinite Ω.

 

 

 

Filament winding to ground

Infinite Ω.

 

High voltage

 

 

Discharge Capacitor

 

 

transformer

Disconnect connector and measure

 

 

 

continuity with meter on R x 1 scale:

 

 

120 V

 

Secondary

Approx. 88-92 Ω.

 

 

Filament

Continuity.

 

Secondary

 

 

Primary

 

Primary (High & Low)

Less than 1 Ω.

 

(Measure at room temp., or 70° F/ 22° C.)

 

 

 

 

MMV5207B**,

Filament

Measure continuity with meter on "High"

Infinite Ω.

0 V

scale:

Primary winding to ground

 

 

 

 

JMV8208B**,

 

 

Filament winding to ground

Infinite Ω.

MMV4205BA*

High voltage

Discharge Capacitor

 

 

 

 

transformer

Disconnect connector and measure

 

 

 

continuity with meter on R x 1 scale:

 

 

120 V

 

Secondary

Approx. 67-72 Ω.

 

 

Filament

Continuity.

 

Secondary

 

 

Primary

 

Primary (High & Low)

Less than 1 Ω.

 

(Measure at room temp., or 70° F/ 22° C.)

 

 

 

 

 

Filament

Measure continuity with meter on "High"

 

AMV5164BC*

0 V

scale:

Primary winding to ground

Infinite Ω.

 

 

 

Filament winding to ground

Infinite Ω.

 

High voltage

 

 

Discharge Capacitor

 

 

transformer

Disconnect connector and measure

 

 

 

continuity with meter on R x 1 scale:

 

 

120 V

 

Secondary

Approx. 100-104 Ω.

 

 

Filament

Continuity.

 

Secondary

 

 

Primary

 

Primary

Less than 1 Ω.

 

(Measure at room temp, or 70° F/ 22° C.)

 

 

 

 

AMV5164BA*,

Filament

Measure continuity with meter on "High"

Infinite Ω.

0 V

scale:

Primary winding to ground

 

 

 

 

MMV5165BA*,

 

 

Filament winding to ground

Infinite Ω.

AMV1154BA*,

 

 

 

 

MMV1153BA*,

 

 

 

 

UMV1152CA*

Lamp receptacle

Test continuity of receptacle terminals

Continuity when known good bulb is

 

 

 

 

 

inserted.

© 2006 Maytag Services

16027303

13

Page 13
Image 13
Maytag UMV1152CA Component Testing Procedures, 16027303, Illustration, Test Procedure, Results, Discharge Capacitor