1)
Measure the resistance :
Normal readings :
With an Ohm-Meter on R x 1 scale.
a.
Primary winding :
Approximately 0.72 Ohms.
b.
Filament winding :
Less than 1 Ohm.
c.
Secondary winding :
Approximately 133 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 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.
- 3 -
COMPONENT
COMPONENT
COMPONENT
COMPONENT
COMPONENT
CHECKOUT PROCEDURE
CHECKOUT PROCEDURE
CHECKOUT PROCEDURE
CHECKOUT PROCEDURE
CHECKOUT PROCEDURE
RESUL
RESUL
RESUL
RESUL
RESULTTTTT
Measur
Measur
Measur
Measur
Measure the r
e the r
e the r
e the r
e the resistance between ter
esistance between ter
esistance between ter
esistance between ter
esistance between terminals of
minals of
minals of
minals of
minals of
FPC connector after r
FPC connector after r
FPC connector after r
FPC connector after r
FPC connector after removing it fr
emoving it fr
emoving it fr
emoving it fr
emoving it from S101.
om S101.
om S101.
om S101.
om S101.
(Figure 2).
(Figure 2).
(Figure 2).
(Figure 2).
(Figure 2).
TOUCH KEY
TOUCH KEY
TOUCH KEY
TOUCH KEY
TOUCH KEY
NOTE
NOTE
NOTE
NOTE
NOTE
BOARD
BOARD
BOARD
BOARD
BOARD
- When r
- When r
- When r
- When r
- When reconnecting the FPC connector
econnecting the FPC connector
econnecting the FPC connector
econnecting the FPC connector
econnecting the FPC connector, make
, make
, make
, make
, make
When checking “ST
When checking “ST
When checking “ST
When checking “ST
When checking “STAR
AR
AR
AR
ART” key, connect
T” key, connect
T” key, connect
T” key, connect
T” key, connect
sure the holes on the connector are properly
sure the holes on the connector are properly
sure the holes on the connector are properly
sure the holes on the connector are properly
sure the holes on the connector are properly
Ohm-Meter as illustration below.
Ohm-Meter as illustration below.
Ohm-Meter as illustration below.
Ohm-Meter as illustration below.
Ohm-Meter as illustration below.
inserted in hooks of the plastic fastener in S101.
inserted in hooks of the plastic fastener in S101.
inserted in hooks of the plastic fastener in S101.
inserted in hooks of the plastic fastener in S101.
inserted in hooks of the plastic fastener in S101.
MA
MA
MA
MA
MATRIX CIRCUIT FOR
TRIX CIRCUIT FOR
TRIX CIRCUIT FOR
TRIX CIRCUIT FOR
TRIX CIRCUIT FOR
TOUCH KEY BOARD
TOUCH KEY BOARD
TOUCH KEY BOARD
TOUCH KEY BOARD
TOUCH KEY BOARD
FPC CONNECTOR
FPC CONNECTOR
FPC CONNECTOR
FPC CONNECTOR
FPC CONNECTOR
-----
0
6
5
1
2
3
4
7
8
9
STOP /
CLEAR
POWER
LEVEL
SOUP /
BEVERAGE
MORE +
LESS -
AUTO
DEFROST
QUICK
ON
CLOCK
POPCORN
S TAR T
FROZEN
VEGETABLES
ADD
30 SEC
KITCHEN
TIMER
POTATO
Figure 2
Figure 2
Figure 2
Figure 2
Figure 2
Ohm-Meter
Ohm-Meter
Ohm-Meter
Ohm-Meter
Ohm-Meter
TERMINALS OF FPC CONNECTOR
TERMINALS OF FPC CONNECTOR
TERMINALS OF FPC CONNECTOR
TERMINALS OF FPC CONNECTOR
TERMINALS OF FPC CONNECTOR
4. TEST PROCEDURES
4. TEST PROCEDURES
4. TEST PROCEDURES
4. TEST PROCEDURES
4. TEST PROCEDURES
Figure 3
Figure 3
Figure 3
Figure 3
Figure 3
Ohm-Meter
Ohm-Meter
Ohm-Meter
Ohm-Meter
Ohm-Meter
HIGH-VOL
HIGH-VOL
HIGH-VOL
HIGH-VOL
HIGH-VOLTTTTTAGE
AGE
AGE
AGE
AGE
TRANSFORMER
TRANSFORMER
TRANSFORMER
TRANSFORMER
TRANSFORMER
When
When
When
When
When
When not
When not
When not
When not
When not
Resistance
Resistance
Resistance
Resistance
Resistance
touched
touched
touched
touched
touched
touched
touched
touched
touched
touched
value
value
value
value
value
Less than
Less than
Less than
Less than
Less than
More than
More than
More than
More than
More than
1K Ohms
1K Ohms
1K Ohms
1K Ohms
1K Ohms
1 MEG Ohms
1 MEG Ohms
1 MEG Ohms
1 MEG Ohms
1 MEG Ohms