Samsung SR-S22NTD - 11. References and Service Information

11. Reference ,
Reference No. 1) Electric Wire Assembly Cabinet-door Connection Drawing )
MAIN PCB
ASSY
Connected at HINGE-UP part of freezer
PANEL PCB
ASSY
Reference No. 2) Test Method of Relay Defect
2 Contact Point ie Point
5
Gorfact
Pol
First,
separate
housing
which
is
connected
to
load
No
.
:
Oo
pe
Oo
connection
part(Main
PCB
CN70~CN71).
Check
the
Cc
+s
.
aes
—<—
following
items
(Judge
by
voltage
and
resistance
value).
—
CN71
S|
1,
Judge
whether
relay
moves
or
not
by
measuring
oO
=
+
.
elie)
caus
Je
=——
voltage
of
both
coil
terminals.
.
;
"_
Checlayp
alter
separation
2.
Judge
whether
SSR
moves
or
not
by
measuring
Se
Trigger
Terminal
voltage
of
two
trigger
terminals.
eet
Tenis
;
3.
Load
contact
point
of
two
terminals
are
measured
by
Note}
NC—-Normal
Close(C
Terminal
and
Common
ON
Terminal)
resistance
value.
Whether
there
is
fault
or
not
is
NO—Normal Open(C Terminal and Common OPEN Terminal) © judged by comparing with voltage conditions of coil
C —Common Terminal
and trigger.
Contact Point] ci and Trigger Two Terminal Voltage| Two Terminal Contact Point
DC about 12V Between C and NO} 0 2 (SHOST)—Normal
3 Contact (Movement Condition) Between C and NCI oo 9 (QPEN)—3Normal
Point i
Relay DC About OV Between C and NO} © 2 (OPEN) Normal |
koiop-onaiaan) Between C and NC} 0 9 (SHORT)—»Normal
P Contact Pint DC About 12V(Load Movement condition) Cladus et Tin mis | QQ (SHORT)—Normal
Relay DC About 12V(Load Stop Condition) (naa ei » 9 (OPEN]Normal
DC About 12V(Load Movement condition) | Cava Poris Been Fin minds | About KY ~5 kt (SHORT)—Nommal “|
SSR :
DC About 12V(Load Stop Condition) Coad Pa Been Ie mins | co Q {OPEN} Normal
Note) SSR: Solid State Relay (No Contact Point Electric Type Relay)