7-16
COMPONENTS
TEST PROCEDURE
RESULTS
FAN MOTOR
(Wire leads removed)
TURNTABLE
MOTOR
(Wire leads removed)
STIRRER MOTOR
(Wire leads removed)
Measure the resistance.
(Ohm-meter scale: R x 100)
Measure the resistance.
(Ohm-meter scale: R x 1000)
Normal: Approx. 50 ~ 150 ohms
Abnormal: Infinite or several
ohms.
A-B: 76 ohms
B-C: 22 ohms
A-C: 96 ohms
Normal: Approx. 2 ~ 4K ohms
Abnormal: Infinite or several
ohms.
A(RD)
B(BK)
C(WH)
Relay 2
Normal: Approx. 125 to 135 ohms
Abnormal: Infinite or several
ohms.
Normal:
ON: 0 ohm
OFF: Infinite ohms
Abnormal: Infinite or several
ohms.
Measure the resistance.
(Ohm meter scale: Rx100)
RELAY2
Check for continuity of relay 2 with an
ohm-meter.
(Remove wire leads from relay 2 and
operate the unit.)
Summary of Contents for 721. 63762
Page 9: ...5 1 SCHEMATIC DIAGRAM OVERALL CIRCUIT DIAGRAM...
Page 10: ...5 2 MATRIX CIRCUIT FOR TOUCH KEY BOARD...
Page 37: ...8 2 CONTROLLER PARTS I 1001 W171 W171 2016 2009 2007 2017 EV...
Page 38: ...2004 2008 2002 2006 W106 2381 8 3 CONTROLLER PARTS II EV...
Page 40: ...8 5 LATCH BOARD PARTS 4000 W102 4001 4002 4003 4002 4004 EV...
Page 44: ...8 21 SCHEMATIC DIAGRAM OF P C B...
Page 45: ...8 22 PRINTED CIRCUIT BOARD...
