Stepping Motor Circuit; Fan Motor Driving Circuit; Temperature Compensation And Temperature Compensation Circuit - Kenmore 795.58812.900 Service Manual

1-7 Stepping motor Circuit.

1-8 Fan Motor Driving Circuit.

1. This circuit changes the speed of the fan motor or stop,
varying the DC voltage as shown in the next table.
2. The circuit stops any fan motor by cutting off power when
lock-up condition is detected.
ITEM
CON6 PIN12
MOTOR ON
A MOTOR OFF
CON6 PIN7
MOTOR ON
B MOTOR OFF

1-9 Temperature compensation and temperature compensation circuit.

1. Temperature compensation in freezer and refrigerator.
R2-SENSOR
R1-SENSOR
R-DOOR DETECTION
SWITCH
HEATER,SHEET
CHECKPOINTS
VOLTAGE GND
CON6 PIN11
8~16V
2V or less
CON6 PIN8
12~14V
2V or less
STEPPING
M
MOTOR
C
D
(DAMPER)
Eva-FAN
MOTOR(BLDC)
Condenser-FAN
MOTOR(BLDC)
F-DOOR DETECTION
SWITCH
DEFROST SENSOR
F-SENSOR
LOOPBACK
CON6 PIN10
2~3V
5V
CON6 PIN9
2~3V
5V
- 24 -
CON7
13
RD 12
YL 11
BK 10
BL 9
GY 8
GY 7
WH 6
WH 5
BO 4
PK(BO) 3
PR 2
BN 1
CON6
BL
M
PR
YL
SB
M
BN
GY
A
RD
B RD
BO
BO
WH
WH
REMARK
EVAPORATOR MOTOR FAN
CONDENSER MOTOR FAN
12
11
10
9
8
7
6
5
4
3
2
1