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1-71
TROUBLESHOOTING
If item (i) to (m) are performed and the results are
satisfactory, ISPM is normal.
Measure it under 1 k
Ω
range of a tester.
Do not use a digital tester.
(i) Perform the item (a) to (h).
(j) By touching the + side of the tester to the RB terminal
of ISPM and the - side of the tester to P terminal of
ISPM. If the resistance is more than 1 k
Ω
, it is normal.
(k) By touching the - side of the tester to the RB terminal
of ISPM and the + side of the tester to P terminal of
ISPM. If the resistance is more than 100 k
Ω
, it is
normal.
(l) By touching the + side of the tester to the RB terminal
of ISPM and the - side of the tester to N terminal of
ISPM. If the resistance is more than 90 k
Ω
, it is
normal.
(m) By touching the - side of the tester to the RB terminal
of ISPM and the + side of the tester to N terminal of
ISPM. If the resistance is more than 90 k
Ω
, it is
normal.
P1 PB
P
N
N
TB3
+
-
R
S
W
RB
V
T
U
N
PD
P
TB2
R216
R215
ZN20
LED201
ZN202
R201
R200
CN207
CN206
CN9
PC207
C
PC208
CN8
RB
N
P
P1
RB
P
TB3
+
-
R
S
W
RB
V
T
U
N
PD
P
TB2
R216
R215
ZN20
LED201
ZN202
R201
R200
CN207
CN206
CN9
PC207
C
PC208
CN8
RB
N
P
P1
RB
P
TB3
+
-
R
S
W
RB
V
T
U
N
PD
P
TB2
R216
R215
ZN20
LED201
ZN202
R201
R200
CN207
CN206
CN9
PC207
C
PC208
CN8
RB
N
P
P1
RB
N
TB3
+
-
R
S
W
RB
V
T
U
N
PD
P
TB2
R216
R215
ZN20
LED201
ZN202
R201
R200
CN207
CN206
CN9
PC207
C
PC208
CN8
RB
N
P
P1
RB
N
Active Parts of Internal Circuit of ISPM (for 3 and 4HP)
Содержание Utopia PAS-3HVRG
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