COMPONENT
CHECKOUT PROCEDURE
RESULT
Measure the resistance between terminals of
FPC connector after removing it from S101.
(Figure 10).
NOTE
- When reconnecting the FPC connector, make
When checking “START” key, connect
sure the holes on the connector are properly
Ohm-Meter as illustration below.
inserted in hooks of the plastic fastener in S101.
MATRIX CIRCUIT FOR
TOUCH KEY BOARD
FPC CONNECTOR
- 6 -
Figure 10
Ohm-Meter
TERMINALS OF FPC CONNECTOR
CHECKOUT PROCEDURE FOR SWITCHES
Disconnect the lead wires from the switches and check for the continuity of the switches, by connecting an
Ohm-Meter to its terminals.
SWITCHES
CHECKOUT PROCEDURE
DOOR OPEN
DOOR CLOSED
(See Figure 1 on page 1)
Primary Interlock
Terminals “COM” and “NO”
Door Sensing
Interlock Monitor
Terminals “COM” and “NC”
CAUTION
:
After checking the switches, make sure that the interlock monitor switch is properly connected according
to the CIRCUIT DIAGRAM on page 3.
When
When not
Resistance
touched
touched
value
Less than More than
1K Ohms 1 MEG Ohms
TOUCH KEY
BOARD