2. Buzzer Drive Condition Check
3. Open Door Detection Circuit Check
- 52 -
OFF
IC1 ( )
0 V
IC1 ( )
0 V
Measure-
ment Location
Condition
0 V
5 V
0 V
5 V
0.5 s
0.5 s
2.63 kz (Beep~)
OFF
0.05 s
0.1 s
0.2 s
2 s
0 V
5 V
0 V
5 V
2.63 kz
(Ding~)
2.21 kz
(Dong~)
(PIN NO.31 & PIN NO.30)
Closed
5 V
Open
0 V
Freezer/
Refrigerator Door
Measurement
Location
A
B
Tone (Ding~Dong~) when the button on
the display is pushed.
Alarm for open door
(beep-beep-beep)
Summary of Contents for LRBC22522
Page 12: ...GY GRIS GRAY Best Best dispenser 5 CIRCUIT DIAGRAM 12 ...
Page 13: ...GY GRIS GRAY Good Better 13 ...
Page 40: ...8 5 MAIN PWB ASSEMBLY AND PARTS LIST 8 5 1 Main PWB Assembly 40 ...
Page 41: ...8 5 2 Replacement Parts List 41 ...
Page 42: ...8 5 3 PWB Assembly Display And Parts List 42 SW106 Dispenser Model Best Model ...
Page 60: ...9 5 MAIN PWB ASSEMBLY AND PARTS LIST 9 5 1 Main PWB Assembly 60 ...
Page 61: ...9 5 2 Replacement Parts List 61 ...
Page 62: ...9 5 3 PWB Assembly Display And Parts List 62 ...
Page 63: ...9 6 PWB DIAGRAM 9 6 1 PWB Main Assembly 63 G5S 1A RY5 ...
Page 64: ... 64 ...
Page 70: ...June 2009 ...