Eiki LC-WNS3200, Service Manual

Page: 40 / 71

-40-
Chassis Block Diagrams
Power Supply and Protection Circuit
F20
01
A
/B
VA
20
01
LF
20
01
A
C
FI
LTER
K2
00
8
K20
06
IC
20
01
FA
56
12
FP
C
Cont
rol
K2
00
3
1
IC
20
02
FA
56
41
Po
we
rC
ont
rol
S1
6V
S6
V
S-
5V
1/2 5/6
9
K2
00
4
FB
D
200
4
B2
00
1
12
PF
C_
O
N
PO
W
ER
BA
LLAST
A
C
380V
1
1
5
5
4
4
P3
00
1
P3
00
2
La
m
p
SW
&
FA
N
_E
RR
LA
M
P_
EN
H
:T
RU
E
H
:T
RU
E
RXD1
TXD1
A
26
D
22
SD
_M
CU
O
N
_1
_8
V
FA
N
_S
W
O
N
_1
5V
O
N
_3
_3
V
O
N
_1
_0
V
O
N
_2
_5
V
O
N
_1
6V
J1 H
5
J2 H
4
J3 J4
H
1
H
2
H
:T
RU
E
H
:T
RU
E
H
:T
RU
E
H
:T
RU
E
H
:T
RU
E
H
:T
RU
E
H
:T
RU
E
H
:T
RU
E
P_
FA
IL
IC
10
01
CP
U
PW
190
D
26
E1
P_
LA
N
_F
A
IL
E2
4
IC
40
01
S5
V
Q
40
03
IC
39
01
IC
30
46
Q
38
21
Q
38
11
Q
38
01
Q
40
05
S3
.3
VS
I
S1
_8
V_H
D
M
I_
SI
S1
V_
VC
CK
1_
8VD
D
R
3_
3V
CC
3
3_
3V
SH
2_
5V
_R
X
2_
5V
_T
X
2_
5V
_I
O
S1
V_
LV
D
S
15
_5
V
M
A
IN
S16V
S6V
S-5V
PFC_ON
1/2
5/6
9
12
PT
H
SW
105
FA
N
FB
LA
M
P
O
N
_1
6V
J1
H
:T
RU
E
Q
40
02
S1
V_
LV
D
S
S1
V_
PL
L
3_
3V
_L
AN
IC
18
01
M
CU
PI
C1
6F
18
23
3_
3S
D
A/
3_
3S
CL
D
21
/C
21
IC
10
07
/I
C1
30
1
TE
M
P.
Se
ns
or
B
TC
N
75
A
IC
10
08
/I
C1
30
2
TE
M
P.
Se
ns
or
C
TC
N
75
A
IC
19
02
TE
M
P.
Se
ns
or
A
TC
N
75
A
P_K
EY
L3
P_K
EY
O
N
_1
6V
_M
CU
PF
C_
O
N
O
N
_M
CU
8
7
2
3
9/
10
FA
N
_E
RR
D
24