Kenmore 795.79012.901 Service Manual page 30

2. Door Monitor Circuit (LV)
Measurement between
Refrigerator
Door Close
Door Open
8-2-3 Temperature Sensor Circuit (Refer to figure 2)
Voltage supplied to each sensor wil range between 0.5 volts -22°F(-30°C) and 4.5 volts 122°F(50°C) depending upon the
temperature in the compartments. A measurement of 0 volts indicates a short in the sensor circuit. A measurement of 5
volts indicates an open in the sensor circuit.
C-FAN
F-FAN
PIN 1 2
DISPENSER S/W
PIN 1
DISPLAY
To measure the outputs of the sensors, check the voltages between the pins as in the table. And refer the values in the
section "RESISTANCE SPECIFICATION OF SENSOR"
To measure the outputs of the fans on the control boards check the voltages between the pins for the following components:
FAN
Freezer Fan
Cooling Fan
PIN 1
N/C
pins 4 and 3 Con 8
5 volts
0 volts
PWB(PCB) ASSEMBLY, DISPLAY
1 2 3
BK BN RD
CON101
C
DISPENSER
LED
WH BK BN
RD
6 5 4 3 2 1 11 10
CON5
1
CON4
2
SB
3
BN
4
PR
5
PWB(PCB) ASSEMBLY, MAIN
GY
6
WH
7
8
9
10
CONNECTOR 7
3 4 5
D-SNR R-SNR
CONNECTOR 5
2 3 4
N/C
SENSOR Pin Number Pin Number
D-SNR Con 7 Pin 3
R-SNR Con 7 Pin 5
RT-SNR Con 8 Pin 1
PIN NUMBER PIN NUMBER
Con 4 pin 5
Con 4 pin 2
CONNECTOR 4
2 3 4
C-FAN
G V F
CONNECTOR 8
PIN 1
RT-SNR
4 5 6 7
PK YL BL PR
R/F-DOOR
S/W
A B
PK YL BL PR GY GY
9 8 7 6 5 4 3 2 1 4 3 2 1
CON6
CON7
Refrigerator
6 7 8
Disp.S/W ON
N/C N/C
Disp.S/W OFF
5 6
N/C
Con 7 Pin 4
Con 7 Pin 6
Con 8 Pin 2
OUTPUT VOLTAGE
MOTOR ON MOTOR OFF
Con 4 pin 6 10 - 14 VCD 2 VCD or less
Con 4 pin 3 10 - 14 VCD 2 VCD or less
5 6 7
F-FAN
G V N/C
- 30 -
2 3
R-DOOR S/W
RT-SENSOR
WH WH
CON8
1 SB
DISPENSER
2 SB S/W
3
BO
DEF-SENSOR
4
BO
5
WH
R-SENSOR
6
WH
7 BK
C
8
DISPENSER
FIGURE 2
LED
Measurement between
pins 1 and 2 Con 7
0 volts
5 volts
8 9
N/C
N/C N/C
4
10
N/C