3-11
SCHEMATIC DIAGRAM OF AC/DC BOARD FOR WJ-HDE300/G
TO
MAIN
BOARD
(5/5)
CN500,
HDD-DC
BOARD
CN100
TO
POWER
SWITCH
(SW11)
TO
AC INLET
(CN11)
~
~
-
+
D8
C2
1500p
C14
2200p
C18
1000/16
Q1
OPEN
1
2
3
4
CN3
1
+12V
2
+12V
3
GND
4
GND
5
GND
6
GND
7
POFF
8
HDD12
9
HDD12
10
HDD12
R10
47
R20
13k
L5
OPEN
R1
1M
1/2W
Q3
OPEN
S
G
D
D9
OPEN
L3
OPEN
OPEN
DGND
E1
R12
47
C7
100/10
J3
JUMPER
C8
0.1
CN2
1
SW L2
3
SW N2
5
SW L1
7
SW N1
R14
47
C17
3900/25
R3
R4
C5
C3
1500p
R23
D5
R24
C20
0.01
C12
1
R9
OPEN
C6
560/400
D2
C15
0.1
D4
PGND
C4
0.22
DGND
VS2
R22
3.6k
R7
OPEN
R8
47
R26
OPEN
C10
1
VS4
R30
OPEN
J2
JUMPER
OPEN
OPEN
OPEN
R13
OPEN
E5
R16
100
1/2W
1/2W
FG1
C11
1500p
CN1
1
ACL
3
ACN
L6
33
R2
330k
330k
R5
1/4W
1/4W
C13
2200p
E3
2
1
E4
1
2
R19
3.3k
C19
1000/16
L1
1
4
2
3
4
3
D3
DGND
R27
OPEN
VS3
R17
100
T1
1
2
3
4
9
8
7
6
5
10
11
12
IC2
1
REF
2
A
3
K
PGND
D7
12
3
R25
22k
1/4W
470k
1/4W
3W
470k
C16
10
Q2
1
2
3
4
J10
J1
JUMPER
C22
OPEN
L2
1
2
R18
3.3k
R21
1k
F1
5A
250V
L4
R6
4.7
FG2
E6
R11
47k
C9
0.01
0.01
D6
1
2
3
C1
0.22
IC1
1
C
2
L
3
X
4
S
5
F
7
D
VS1
R15
27k
E2
C21
D1
1
2
3
4
Important safety notice
Components identified by " " mark have special characteristics for safety.
When replacing any of these components, use only manufacture's specified parts.
<INDEX>
IC1
B3
IC2
A4
Q2
B4
AC/DC BOARD
D1
B2,C2
D2
B3
D3
B3
D4
C3
D5
B3
D6
C4
D7
B4
D8
B3
AC/DC BOARD
1
A
B
C
2
3
4
5