Read Sony CMT-DX400 / CMT-DX400A / HCD-DX400 Service Manual online
HCD-DX400/DX400A
HCD-DX400/DX400A
19
19
3-8. SCHEMATIC DIAGRAM - CONTROL Board -
• See page 20 for IC Pin Function Description.
GR7
GR6
GR5
GR4
GR3
GR2
GR1
SG1
SG2
SG3
SG4
SG5
SG6
SG7
SG8
SG9
SG10
SG11
SG12
SG13
SG14
SG15
SG1
SG2
SG2
SG3
SG4
SG5
SG6
SG7
SG8
SG13
SG14
SG15
GR7
GR6
GR5
GR4
GR6
GR5
GR4
GR3
GR2
GR1
K1
K2
+VDD
+VDD
VFD_SDA
VFD_SCK
VFD_STB
-22V
AC1
AC2
R24
56K
KS3
K1
GND
D2
IN4148
IN4148
D1
IN4148
IN4148
D3
IN4148
IN4148
IR
VFD_SDA
VFD_SCK
VFD_STB
VFD_SCK
VFD_STB
+B5V
+P9V
GND
Encoder-
Encoder+
STB_KEY
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
RB1
8&6/14P
2.0mm 100mm 20080#26
FL_Driver
P-24V
STB_LED
+5V
FB1
100
FB2
100
FB3
600
FB20
600
FB5
600
FB6
100
FB7
100
FB8
100
FB9
600 NC
FB10
600
FB11
600
FB12
100
C20
101
C19
101
C18
104
C17
104
C16
104 NC
C15
33
C14
33
C13
33
C12
104
C11
104
C10
104
C9
101
C8
101
+VDD
C4
100uF/16V
C2
104
GND
R26
100R
IR
1
GND
2
VCC
3
IR1
IRM-8871M-F73-4 (40KHz)
C24
101
+B5V
IR
GND
C45
102
C7
101
+ND9V
C6
100UF/16V
GND
C3
104
-22V
GND
C1
104
K4
K3
KEY3
SW-PB
KEY4
SW-PB
KEY7
SW-PB
KEY6
SW-PB
KEY8
SW-PB
KEY10
SW-PB
KEY11
SW-PB
K2
K4
K3
KEY5
SW-PB
KEY9
SW-PB
KS1
KS2
KS3
KEY1
STB_KEY
STB_KEY
GND
R15
10K NC
+B5V
+VDD
GND
C22
101
C21
101
Encoder+
Encoder-
USB_DP
USB_DM
C43 104
D-
3
D+
2
GND
1
VCC
4
5 6
J1
OULI:USB4P-AF-180'
GND_U
KEY2
OPEN
C23
101
101
1
2
3
4
5
RB2
SHIELD W
IRE 5P 2.0mm 130mm 2854#28
+U5V
D34
RED NC
STB_LED
GND
+B5V
R3
470R NC
R28
47K NC
TO MAIN BOARD CN1
Q4
2SC8050 NC
TO MAIN BOARD CN2
R27 10K NC
GND_A
HP_C
HP_L_out
FB16
600
FB17
600
FB18
600
FB21
600
FB22
600
C29
101
C28
101
C27
101
C26
104
C25
104
MIC/MP3_R
MIC/MP3_L
MIC_C
C34
101
C33
101
C32
104
GND_M
C31
101
C30
101
GND_A
TO MAIN BOARD CN4
C5
100uF/16V
FB13
100
C35
22UF/35V
R16
10K
R17
10K
R18
10K
R19
10K
R23
10K
R22
10K
R21
10K
R20
10K
GND
K1
K2
K2
K4
K3
C42
101
R11
0R NC
R31
1K
HP_C
HP_L_out
HP_R_out
GND
MIC/AUX_L
MIN_C
GND
A
1
C
2
B
3
GND
4
GND
5
VR1
SOUNDWELL:EC121102F2B-HA1-017 FA
GND
+U5V
USB_DM
USB_DP
GND
Encoder+
Encoder-
STB_LED
STB_KEY
IR
GND
+B5V
+5V
VFD_SDA
VFD_SCK
VFD_SCK
GND
VFD_STB
FL_Driver
+P9V
-24V
TO USB
VFD DISPLAY
C46
101
FB19
600
600
ESD1
AVR-M0603C120M
ESD2
AVR-M0603C120M
C44
100uF/16V
ESD3
SFI0603ML080C
ESD4
SFI0603ML080C
ESD5
SFI0603ML080C
ESD
RB3
W/1007#18 60MM BLK
ESD
ET1
ET
ESD
ET2
ET
Notes:
Capacitance ˖Withstand voltage value is not marked, are 50V
Accuracy value is not marked, are 5% or 10%
Accuracy value is not marked, are 5% or 10%
Resistance ˖ Accuracy value is not marked, are 5%
FB4
600
FB223
600
R32
1K
MIC/AUX_R
HP_R_out
C47
104
+5V
1
2
3
5
6
8
7
7
4
RB4
8P
2.0mm 160mm 2854#28x2&1533#28x2
SW1
1
SW2
2
SW3
3
SW4
4
DOUT
5
DIN
6
NC
7
CLK
8
STB
9
K1
10
K2
11
K3
12
K4
13
VDD
14
SG1/KS1
15
SG2/KS2
16
SG3/KS3
17
SG4/KS4
18
SG5/KS5
19
SG6/KS6
20
SG7/KS7
21
SG8/KS8
22
SG9/KS9
23
SG10/K
S10
24
SG11/K
S11
25
SG12
26
SG13
27
SG14
28
SG15
29
SG16
30
SG17/GR12
31
SG18/GR11
32
VDD
33
VEE
34
SG19/GR10
35
SG20/GR9
36
GR8
37
GR7
38
GR6
39
GR5
40
GR4
41
GR3
42
GR2
43
GR1
44
VDD
45
LED5
46
LED4
47
LED3
48
LED2
49
LED1
50
GND
51
OSC1
52
IC1
PT6311
SG9
SG10
SG11
SG12
GR8
F1
1
F1
2
NP
3
NC
4
P1
5
5
P1
4
6
NC
7
P1
3
8
P1
2
9
P1
1
10
P1
0
11
P9
12
P8
13
P7
14
P6
15
P5
16
P4
17
P3
18
P2
19
P1
20
NC
21
G1
22
G2
23
G3
24
G4
25
G5
26
G6
27
G7
28
G8
29
NP
30
F2
31
F2
32
ND1
AOTOM:20075-2A27
GR8
+VDD
SG13
SG14
SG15
JWJW
JW1
7mm
7mm
JWJW
JW2
10mm
10mm
1
R1
330R
R2
1K
1K
C38
102
GND
R4
330R
R5
330R
R12
470R
R6
2.7K (DX400)
1K (DX400A)
GND
Q3
2SC945P (DX400)
8550SS-D (DX400A)
+ND9V
C36
22UF/35V
R14
10K
R13
470R
D32
6.8V
C39
473
-22V
C37
22UF/35V
GND
R9
4.7R
R10
0R NC
R7
4.7R
4.7R
R8
100R
Q1
MMS8050L
MMS8050L
Q2
2SC945P
AC2
AC1
GND
C40
102
C41
102
GND
GND
+P9V
JWJW
JW3
12mm
12mm
JWJW
JW4
12mm
12mm
3
2
1
4
6
5
7
J2
NEWJIN LOK:CKX3.5-24A
3
2
1
4
6
5
7
J3
NEWJIN LOK:CKX3.5-24A
C801
104
C802
104
GND_M
GND_M
JWJW
JW5
8mm
8mm
JWJW
JW6
10mm
10mm
GND
C805104
C48
33PF NC
GND
GND_U
P-24V
D33
22V
GND
GND
JWJW
JW9
10mm
10mm
JWJW
JW10
10mm
10mm
JWJW
JW11
10mm
10mm
JWJW
JW12
10mm
10mm
JWJW
JW13
10mm
10mm
JWJW
JW14
10mm
10mm
JWJW
JW15
10mm
10mm
JWJW
JW8
150mm
150mm
JWJW
JW7
10MM
JWJW
JW16
8mm
ESD
ET3
ET
GND
JWJW
JW17
8mm
8mm
JWJW
JW18
8mm
8mm
C803
104
C804
104
C806
104
L1
1N4148
MIC IN / MP3 IN
MIC/AUX_R
Volume Encoder
USB JACK
IRT RECEIVER
VFD 32Pin
VFD Driver
CONTROL BOARD
4
B
6
9
11
D
H
10
3
5
12
C
F
1
E
8
G
A
2
7
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.
manual is for the reference.
Ver. 1.5
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