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3. Buzzer Drive Condition Check
Condition
Measure-
ment Location
Tone (Ding ~ Dong ~) when the button on
the display is pushed.
Alarm for open door
(beep-beep-beep)
OFF
IC1( A )
IC1( B )
5V
0V
5V
0V
0.05s
0.2s
0.1s
2s
2.63 kz(Ding
~
)
2.51 kz(Dong
~
)
5V
0V
0V
5V
0V
0.5s
0.5s
2.63kz(Beep
~
)
OFF
0V
4. Open Door Detection Circuit Check
Measurement
Location
Freezer/
Refrigerator Door
Closed
Open
Pin No- 1 & 2 (Freezer Door)
Pin No. 11 & 12 (Refrigerator Door)
5V
0V
Summary of Contents for GM-B208BVS
Page 37: ...8 5 MAIN PWB ASSEMBLY AND PARTS LIST 8 5 1 Main PWB Assembly 36 ...
Page 38: ...8 5 2 Replacement Parts List 37 ...
Page 39: ...8 5 3 PWB Assembly Display and parts list 38 ...
Page 40: ...8 6 PWB DIAGRAM 39 8 6 1 PWB Main Assembly ...
Page 41: ... 40 ...
Page 46: ...August 2009 MFL62582001 ...