46
S
ection
6 —e
lectronic
c
ontrolS
Power Board
A front view of the power board is illustrated
in Figure 6-1. Inputs, outputs, monitoring
information, fault codes, and diagnostics are
communicated through a wire harness that links
the power board to the optical control panel.
!
NOTE
Ice maker/water dispenser models
It may be necessary to move the water valve
out of the way to remove and install the cover.
Base
The base, illustrated in Figure 6-2, is attached
to the refrigerator back plate with three 8/32 x
1" hex screws. The power board is retained on
the base by four locking tabs; the defrost board
by two locking tabs.
Cover
The cover, illustrated in Figure 6-3, is attached
to the refrigerator back plate with two 8/32 x 1"
hex screws. Figure 6-4, page 52 illustrates the
cover over the power board.
!
NOTE
The wire harness is “foamed” into the cabinet.
It is not a replaceable component.
Figure 6-2. — Base, power board.
Figure 6-3. — Cover, power board.
Troubleshooting
Refer to Section 3 for troubleshooting information.
Figure 6-1. — Power board.
Lower
locking tabs (3)
8/32 x 1" Hex screw (3)
Upper
locking tabs (3)
8/32 x 1" Hex screw (2)
100 B
ANS
I
Z21. 2
JW5
P3
R
T424F12
12
V
05-43
07
3
D5
R5
0
R4
9
07
3
07
3
07
3
4
C
Q3
4
C
D8
CPC - E
94 V - 0
P4
GN
D
12VDC
Potter & Brumfield
T7CS1D2-05
5VDC
0544
700514
5A@120VAC
CHINA
D3
c
4
D6
3
07
R2
8
R
3
D1
3
07
3
R
39
D1
N
M
07
3
1237
0301
9
8
4
5
3
K3
R
25
R
27
R
26
R
29 C
8
7
4
R
1
2
Potte
r & Br
umfiel
d
T7
7V
1D
10
-0
9
CHINA
CHINA
10A@120V
AC
700514
10A@120V
AC
Potte
r & Br
umfiel
d
T7
7V
1D
10
-0
9
30VDC
RE
S.
30V
DC
RE
S.
700514
D4
R
37
R
34
4
6
5
D
12
D
11
Z3
C 1
Potter & Bru
mfiel
d
T7
7V
1D
10
-0
9
CHINA
10A@120V
AC
30V
DC
R
ES
.
700514
JW
4
JW
6
D2
R
9
R
7
R
24
R
46
R
4
R
5
R
23
R20
R
18
R
21
R
21
JW
7
JW
9
JW
10
JW
8
R
36
R
41
R
45
JW
2
R
441
R
8
R
10
JW
3
R
6
R
40
R
43
R
42
R
2
R
38
R
47 R3
0
R
48
R
35
R
33
U
1
L
P
1
Q1
Q2
Q6
C9
D
10
R11
R
12
C7
R
16
R15
R
17
R
19
R
13
R
22
R
32
R
31
Z2
D
7
R
14
U
4
C3
C5
U3
U
6
JW
11
Z4
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