25
Issue 200906
Rev. Ref0906S012V0
Chapter 7 Circuit diagram
7-1.Circuit diagram
7-2.
Main control PCB diagram
&21
e low
FRZ sensor
Defrost senso
FRZ door
switch
Coo ing an
mo or
Freezer fan
mo or
&21
Amb ent sensor
Water outlet
Cover heater
Ice maker senso
&21
Ice maker
test switch
M
M
M
Ice maker
mo or
Ice maker
M
REF air damper
mo or
REF door
sw tch
REF air damper
heater
&21
REF sensor
ď
Be ow
Đ
REF sensor
ď
up
Đ
&21
&21
&21
&21
Null line
Ice ou let cover valve
Dispenser switch
Cool water wa er inlet
Ice maker wa er inlet
Ice pusher mo or
FRZ lamp
Ice cube choose valve
Null l ne
Defrost heater (L)
Dispenser heater
Defrost heater (N)
REF room lamp
Nu l ine
Compressor
Frequency converter PCB
M
REF a r damper
D sp ay panel
Water valve
Main control PCB
Power cab e
F lter
Brown
B ue
B ack
Compressor connect cable
M
DJQHWLF ULQJ
B own
Blue
Frequency conver er PCB
connect cab e
Hall switch
&21
Black
D
sp
ens
er
L
E
D
amp
V GND
l e
urple
rown
G een
ray
ran e
rang
la k
lack
ed
ed
Red
Red
Blue
Blue
Purple
Purple
reen
lue
rang
ed
Wh te
Wh te
rown
Pink
e lo
ed
Wh t
lue
row
la k
m t
m t
ray
ray
G ay
G ay
Wh t
Wh te
la k
l ck
ran e
l e
Wh te
ed
ink
m t
e lo
Wh t
Empt
Empt
Bl e
Black
l ck
rang
ray
rown
urple
ky blu
Blue
Blue
Pu pl
Empty
Blue Red
Blue
B own
B ue Br wn
Ye low/G een
Null l ne
Red
B u
Wh
Blue
R d
Wh
Br wn
Yel ow
Green
ce maker water n et heater
Pu ple
SERVICE MANUAL
Model:
HRF-663
ISB2R/B/W
