Fukuda Denshi 4R2043, Service Manual

Page: 31 / 128

7/16/2019 Fukuda Denshi FX-2111 ECG - Service Manual (1)
http://slidepdf.com/reader/full/fukuda-denshi-fx-2111-ecg-service-manual-1 31/128
C
H
A P T
E R
3
T r o ub l
e
s
h
o
o t
i
n
g
1
.
In t
r
o
d
u c
t
i
o
n 3
-
1
1
.
1
I
n
t
erna l P owe r Supp
l
ie
s
3 - 1
1
.
2 F a u l t y P o w e r Supp l ie s v s . Tr o u b le s 3 - 2
2
.
T
r
o u b
l
e
s
h
oo t i
n
g 3
-
3
2
.
1 A l l
Spe
c i
f
ie
d
S
econ
da r
y
P owe r S upp l i e s A re
N
o
t
Av a i labl e
i
n A C Opera t
i
o n 3 - 3
2
.
2 A
l l
Spe
ci f
i
ed S
e conda
r y P
owe
r
Supp l ie
s
A
re
N o
t A
va i labl
e
i
n
N
i
M
H Ba
t
t e
r
y O p e r
a t i o n
3 -
3
2
.
3 +
2
4
V Is
N
o
t
Ou t
pu
t
3
-
4
2
.
4
+
1 0V Is
N o
t
Ou t
p ut
3 -
4
2
.
5
V
d
d
Is N
ot Ou t p
u
t 3 - 4
2
.
6
U n
isol
a
t
e
d ±
5 V
a A r e
N o t O u t p u t 3 -
5
2
.
7 I s o l a t ed ± 5 V A re N o t O u t p u t 3 - 5
2
.
8
T
r oubl
e
s R e l
a t e
d
t
o
Cha r
g i
n
g
3 -
6
2
.
8
.
1
C
h a
r
gi n g
M
o d e o r
"
C
H
A
R
GI
N
G
" S
t
a
t
u s Is
N
o
t E f
f
e
c
t e d
.
3
-
6
2
.
8
.
2 V
i
r t
u
a
l
l
y N o
Ch a
r gi
n g
Is
M
a
d e
D e
sp
i t e
" C
H A R
GIN G
C OM
P
L E T
E
" o n Di spl
a
y 3 - 7
2
.
9
L
C D
O
p
e
r a
t
i
o n Is A b
n
o
r
m a l 3 - 7
2
.
10
N
o
K ey
O
p
e
r a
t
i
o n I s P o
s
si bl e
3 -
8
2
.
1
1
P
ape
r I s
N
o
t D r i
v
e
n o r A b
n
o
r
ma
l
ly
D
r
i
ve
n
3 -
8
2
.
1 2
N
o
M a
r
k D
e
t
e
c
t io
n o n
Z
- f ol d P a
p
e r I s Av a i labl e 3
-
9
2
.
1 3
N
o P ape
r
E
n
d D e t
e
c
t i
o
n
I s Ava i labl e
O r
" P A PE
R
E ND"
A lar m I s C o n s t a n t l y D ispl a y e d 3 - 9
2
.
1
4 P r
ogr
a m
C
o
n t
e
n
t
s
C
ha
n
g e 3
-
9
2
.
1
5 B
uz
z e r
D
oe
s
N o
t
Op era
t e
3 -
9
2
.
1
6 No
W
a
v e
f
or
m R
e c o
r
d
i
n g N o r A
l
phanume ric
P
r
i
n
to
u
t
I s
Av
a i
l
a b
le 3
- 1 0
2
.
1 7
N o
DC
I
n
p
u
t
W
a v
e
fo
r m
R
e
co r di
n g
Is Av a i
la
b
l
e
3
- 1 0
2
.
1 8 A
n y
W
a v
e
fo r m
o
f
A
l
l 12
L
e
a
d
s Is
R
e
co
r
d
e
d A
s
Base
li ne
3 - 1 0
2
.
1 9 Wa
v
e f o
r
m
o f
S
om e S
p
e c i
f
i c L
ea d
Is
R
eco
r
de
d
A s Base
li
n
e
..
.
3 -
1
1
2
.
20
Che c kin g
A I
D
C
o
nv
erte r 3 -
1 1
All manuals and user guides at all-guides.com