Sanyo EM-C2001SD, Service Manual

Page: 7 / 28

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Measure the resistance between terminals of
F P C c o n n e c t o r a f t e r r e m o v i n g i t f r o m
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
FPC CONNECTOR
COMPONENT
TOUCH KEY
BOARD
CHECKOUT PROCEDURE RESULT
When When not
Resistance touched touched
Value Less than More than
1 K ohms 1 meg ohms
When checking the key ,
connect the ohm-meter as illustrated
below.
SWITCHES
(SEE Figure 1 on page 1)
CHECKOUT PROCEDURES DOOR OPEN DOOR CLOSED
INTERLOCK SWITCH
DOOR SENSING SWITCH
INTERLOCK MONITOR
SWITCH
Terminals "COM" and "NO"
Terminals "COM" and "NC"
CHECKOUT PROCEDURE FOR SWITCHES
Disconnect the lead wires from the switches and check for the continuity of the switches, connecting an ohm-meter
to its terminals.
CAUTION: After checking the switches, make sure that the interlock monitor switch is properly connected according
to the CIRCUIT DIAGRAM on page 3.
TERMINAL OF FPC CONNECTOR
FIGURE 10