‑ 7 ‑
COMPONENT
COMPONENT
COMPONENT
COMPONENT
COMPONENT
TOUCH KEY
TOUCH KEY
TOUCH KEY
TOUCH KEY
TOUCH KEY
BOARD
BOARD
BOARD
BOARD
BOARD
CHECKOUT PROCEDURE
CHECKOUT PROCEDURE
CHECKOUT PROCEDURE
CHECKOUT PROCEDURE
CHECKOUT PROCEDURE
RESULT
RESULT
RESULT
RESULT
RESULT
Measure the resistance between
terminals of FPC connector after
removing it from S101.(Figure 10)
NOTE
‑When reconnecting the FPC connector,
make sure the holes on the connector
are properly inserted in hook of the
plastic fastener in S101.
MATRIX CIRCUIT FOR TOUCH KEY BOARD
MATRIX CIRCUIT FOR TOUCH KEY BOARD
MATRIX CIRCUIT FOR TOUCH KEY BOARD
MATRIX CIRCUIT FOR TOUCH KEY BOARD
MATRIX CIRCUIT FOR TOUCH KEY BOARD
FPC CONNECTOR
FPC CONNECTOR
FPC CONNECTOR
FPC CONNECTOR
FPC CONNECTOR
Normal reading:
Approximately 62 ohms
(Outside terminals)
Normal reading:
Approximately
1800K ohms @20℃
1400K ohms @25℃
Measure the resistance after removing
the lead wires from the Upper heater
with an ohm‑meter on R x 1 scale.
Measure the resistance after removing
the lead wires from the Lower heater
with an ohm‑meter on R x 1 scale.
UPPER HEATER
UPPER HEATER
UPPER HEATER
UPPER HEATER
UPPER HEATER
(850 W)
(850 W)
(850 W)
(850 W)
(850 W)
LOWER HEATER
LOWER HEATER
LOWER HEATER
LOWER HEATER
LOWER HEATER
(400 W)
(400 W)
(400 W)
(400 W)
(400 W)
Resistance
Value
When
touched
Less than
1K ohms
When not
touched
More than
1M ohms
When checking the Grill key,connect
ohm‑meter as illustration below.
TERMINAL OF FPC CONNECTOR
Figure 10
THERMISTOR
THERMISTOR
THERMISTOR
THERMISTOR
THERMISTOR
Measure the resistance between the
Pin 1 and Pin 3 of connector S103
after disconnecting it from the con‑
trol circuit board with an ohm‑meter
on the highest scale.
Normal reading:
Approximately 130 ohms
(Inside terminals)
A4
A5
A6
A7
A8
A9
A1
A2
A3
9
6
7
8
5
2
1
0
4
3
A1
A2
A3
A4
A5
A6
A7
A8
A9
+10
㧯
㧹
612
A
10
A
10
2TG
JGCV
)TKNN
1XGP
/KETQ
%QODK
.#/2
5'6
