TOUCH KEY
BOARD
UIILW1. W”V * ..vv b-w..-
Measure the resistance between terminals of FPC
connector after removing it from S101. ( See Figure
11).
NOTE
- When reconnecting the FPC
connector, make sure
the holes on the connector are properly inserted in
hooks of the plastic fastener in S101.
MATRIX CIRCUIT FOR TOUCH
KEYBOARD FPC CONNECTOR
Slol IOP
5
4
3 2
1
A Df-~ JACKET
;:::’
GRILL
0
“
POTATO
6 ~
POWER
G
@ /
CHILLEC
150
MEAL
7
UP
G
+
RICEI
450
PASTA
8
DOWN
FRESH
—
VEG.
9
START
FROZEA
LIQUID vEG.
10-
u
-------
[
I
When
I
When not
I
touched
Value
1 J
Less
than More than
1K Ohms
1
MEG Q
When checking the “START” key, con-
nect Ohmmeter as illustration below.
TOP
Ohm-meter
t
n
u
TERMINALS OF FPC CONNECTOR
Figure 11
CHECKOUT PROCEDURE FOR SWITCHES
Disconnect the lead wires from the switches and check the continuity of the switches, connecting an ohm-meier to its
terminals.
SWITCH
Primary Interlock
Door Sensing
Interlock monitor
CHECKOUT PROCEDURES
Connect an ohm-meters leads to terminals “COM”
and “NO” of switch
Connect an ohm-meters leads to terminals “COM”
and “NC” of switch
DOOR OPEN DOOR CLOSE
CAUTION : After checking the switches, make sure that the interlock monitor switch is properly connected according to
the CIRCUIT DIAGRAM on page 5.
-8-
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