2) GR-B277
The above circuits are circuits attached to freezing room sensor or cold storage room sensor for adjusting setting
temperature at the freezing room and cold storage room, ice-making sensor for sensing water temperature in ice-making, or
an evaporator for sensing temperature of a frost removal sensor necessary for frost removal. Short or open status of every
temperature sensor is as follows:
EXPLANATION FOR MICOM CIRCUIT
- 37 -
A
B
C
D
E
(R)J1
(R)J2
SENSOR
CHECK POINT
NORMAL(-30 °C ~ 50 °C)
IN SHORT
IN OPEN
Freezing sensor
POINT A Voltage
Frost removal sensor
POINT B Voltage
Cold storage sensor 1
POINT C Voltage
0.5 V~4.5 V
0 V
5 V
Cold storage sensor 2
POINT D Voltage
Room temperature sensor
POINT E Voltage
Summary of Contents for GR-B277
Page 41: ...2 GR B277 EXPLANATION FOR MICOM CIRCUIT 41 a b c d ...
Page 50: ...2 GR B277 EXPLANATION FOR MICOM CIRCUIT 50 ...
Page 51: ...2 2 Parts list 1 GR L267 G267 P277 EXPLANATION FOR MICOM CIRCUIT 51 ...
Page 52: ...EXPLANATION FOR MICOM CIRCUIT 52 ...
Page 53: ...2 GR B277 EXPLANATION FOR MICOM CIRCUIT 53 ...
Page 54: ...EXPLANATION FOR MICOM CIRCUIT 54 ...
Page 56: ...2 GR L267 G267 P277 LED Display EXPLANATION FOR MICOM CIRCUIT 56 ...
Page 57: ...3 GR B277 EXPLANATION FOR MICOM CIRCUIT 57 ...
Page 58: ...2 4 DISPLAY circuit diagram 1 GR L267 G267 P277 LCD Display EXPLANATION FOR MICOM CIRCUIT 58 ...
Page 59: ...2 GR L267 G267 P277 LED Display EXPLANATION FOR MICOM CIRCUIT 59 PWB ASSEMBLY DISPLAY ...
Page 60: ...3 GR B277 EXPLANATION FOR MICOM CIRCUIT 60 ...
Page 63: ...2 GR B277 EXPLANATION FOR MICOM CIRCUIT 63 ...
Page 64: ...EXPLANATION FOR MICOM CIRCUIT 64 ...
Page 69: ...CIRCUIT 69 3854JD1110A ...
Page 70: ...CIRCUIT 70 3854JD1110A ...
Page 71: ...CIRCUIT 71 3854JD1110A ...
Page 119: ...6 BLOCK DIAGRAM TV RADIO 119 ...