Service manual
5-3. DC-DC Converter Circuit Board
E
0
c
8
r
I
-I
..
,
l:
:
I
I
I
L
----
r----
I r..v_
-,
rzo:-<>---'
I
I
I
(_-
_,
CONN
OC
,J~Ct<
SW1
~
2
.
0
1
L
---
--
C1
0.
SBU
IT ANTl
~
~
+
1
1 1
6
e
4
v
s
+
Fl
c
I
E
p
N
F
2
+
I
c
Fl
N
T T
1
1 2
3
C7
--
6BOPJ
FIB
471<
·n
"'~
cs
0
.1U
1
rh
06
NOT
USEO
-For
l20V
area - - - -
--
- - - - - - - -
--
-,
.JG
FB~04V~4eO~B-00*2
I
I
I
I
I
I
I
I
-
_J
- For AC230V /
AC240V
area -
--------,
tl~--~111
'---Ill
f---c>-
- -
~
I
I
I
I
..JG
FB~04VA450~B-00*2
I
I
I
. I
I
I
1--h
---
---
--
-
- -
--------------------
_
_J
r--~
~
C2
L1
II!'
I
1
rl~1U
A3
1.2mH
02
>
HAF22
A4
11<
>
Fl1
3.91<
Ill:
Fl7 <
331<
"
FIS
1101<
(111:)
Q~
2.21<
L C4
C3
"~
0
']
0.
1U. I<
~2SAB12
J
~
A2
2SC1623
22U/35V
.
271<
< Fl6
11<
FIB
)
4.
31<
(1"~
1 1 1
a
3 2
1
9
rhn
i
F
0 0
v
CN1
~
T
u c
9
N
c T
c
+34V
2 2
2
NC
B
NC
IC1
7
MB3775PF
1C11
VBAT
i
~
0
F
u
G
e
VFIEF
N B c
T N
1
1
1
1
D
r--
C10
1
5
Fl13
0.1Ul
l100U/25V
GND
~
5 6 7
e
220
4
GNO
Iii:
L2
3
GNO
1'
03
6BUH
l
CB
A12
~
2_
+5V
0.
1U,
I<
360
(1/4Wl
25B1301(ZO
or
ZPl
.1
j;20U/6.3V
1
C12
C13
+5V
ri
::;i
.-
03
0.1UJ
l
CONN
9P
~~
AlO
!!..
HRF22
Rl4
331<
>All
<
201<
(111:)
121<
rh
ri
R15
6.Bt<(l"l
-
ri
2
3
4
5-4. Sound Circuit Board
C3
l C4
100U~-
~
0.1U
R=:l
~1-
100
01
C6
r·u
Fl3
4.7
02
ce
r·u
R4
4.7
CONN
2P
0 R
GG
5
6
7
8
14-










