Sony HCD-DX400, Service Manual, Page: 16 / 28

HCD-DX400
HCD-DX400
16 16
4-5. PRINTED WIRING BOARD - CONTROL Board -
• : Uses unleaded solder.
DM1200-LVL204410-0001 2010-03-09
LVL204410-0001
15
S
T
B
_L
E
D
JW
16
KEY2
C5
JW17
1
1 GND
J1
2 DP
3 DM
4 +5V
USB
4
RB
2
1
1 GND
5
2 DP
3 DM
4 +U5V
5 GND
En
co
de
r-
14
I
R
13
+
P
9V
9 G
N
D
12
F
L_
D
riv
er
11
+
P
5V
8 V
F
D
_
S
D
A
10
-
24
V
7
VF
D
_
SC
K
4
ST
B_
KEY
5 +
B
5V
3
E
6
VF
D
_
ST
B
2
E
nc
oder-
1 G
N
D
1
RB1
En
co
de
r+
GND
JW
8
JW4
JW7
JW9
JW10
>PF-LP<
2009-10-12
VR1
C35
KEY8
R24
KEY11
C4
JW1
JW3
C36
D3
2
JW5
JW2
C4
4
Q3
D33
Q2
1
C37
C6
IR
GND
2 3
VCC
IR1
32
RB13
RB3
7 G
N
D
8 M
P
3_
R
6 M
P
3
_L
4 HP
_R
3 G
N
D
5 M
IC
_C
8
RB4
2 H
P
_L
1 HP
_C
1
Headphone OUT
J2
MIC IN/MP3 IN
J3
JW
14
Micro Panel
KEY3
JW15
JW11
KEY6
KEY9
KEY4
15
JW18
MP
JW13
JW12
JW6
KEY1
KEY7
R1
6
R1
7
R1
8
R1
9
D1
KEY10
D2
KEY5
D3
VFD
ND1
D34
1
CONTROL BOARD
(COMPONENT SIDE)
CONTROL BOARD (CONDUCTOR SIDE)
A
B
C
D
E
F
G
H
I
1 2 3 4 5 6 7 8 9 10 11 12 13 14
Note:
• : Pattern from the side which enables seeing.
(The other layers' patterns are not indicated.)
Caution:
Pattern face side:
(Conductor Side)
Parts face side:
(Component Side) Parts on the pattern face side seen
from the pattern face are indicated.
Parts on the parts face side seen from
the parts face are indicated.
Note: The mount parts on each boards installed in this set
cannot exchange with single. When the each mount
parts are damaged, exchange the entire mounted board.
Printed wiring board and schematic diagram have been
described to this service manual is for the reference.