Schematic Diagram - Control Board - Sony HCD-DX400 Service Manual

4-6.

SCHEMATIC DIAGRAM - CONTROL Board -

1 2
CONTROL BOARD
A
P-24V +5V
JW1
1N4148
R8
7mm
100R
-22V
JW17
8mm
C3
C35
104
22UF/35V
D33
B
22V
GND
JW3 JW4 JW5
GND
12mm 12mm 8mm
RB1
STB_LED 15
14
IR
+P9V 13
FL_Driver 12
+5V 11
C -24V 10
GND
9
VFD_SDA 8
VFD_SCK 7
6
VFD_STB
5
+B5V
STB_KEY 4
Encoder+ 3
Encoder- 2
GND 1
D
GND
GND
C43 104
RB2
E
GND
5
FB20
+U5V
4
USB_DM 3
USB_DP 2
GND 1
C805 104
GND_U
F
RB4
MIC/AUX_R 8
GND 7
MIC/AUX_L 6
MIN_C 5
HP_R_out 4
GND 3
G
HP_L_out 2
HP_C 1
H
GND_A
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.
HCD-DX400
• See page 18 for IC Pin Function Description.
3 4
+P9V
R7
+VDD
L1
4.7R
+ND9V
C38
C1 C2
C4 C7
104 104
100uF/16V
101
C6
102
100UF/16V
JW18
R1
GND GND
8mm
330R
JW6 JW9 JW10 JW11 JW12 JW13 JW14 JW15 JW8
10mm 10mm 10mm 10mm 10mm 10mm 10mm 10mm 150mm
JW7 10MM
FB9 600 NC STB_LED
FB1 100 IR
FB3 600
+P9V
FB2 100 FL_Driver
FB4 600
+5V
FB5 600
P-24V
FB6 100 VFD_SDA
FB7 100 VFD_SCK
FB8 100 VFD_STB
FB10 600
+B5V
FB11 600 STB_KEY
FB12 100 Encoder+
FB13 100 Encoder-
J1
USB JACK
OULI:USB4P-AF-180'
+U5V
600 4
VCC
USB_DM 3
D-
USB_DP 2
D+
1
GND
C5
FB19
GND_U
100uF/16V
600
ESD1 ESD3
GND
AVR-M0603C120M ESD2
SFI0603ML080C
AVR-M0603C120M
MIC_C
MIC/MP3_L
MIC/MP3_R
FB21 600 HP_C
FB22 600 HP_L_out
FB223 600 HP_R_out
ESD4
SFI0603ML080C
GND_M
5 6 7
D32
+ND9V -22V
6.8V
R4 R5
Q1
330R 330R
R12
MMS8050L C39
473 470R
Q2
R6
2SC945P GND
R2
C36
R9
2.7K
R10
1K
22UF/35V
Q3
4.7R 0R NC
2SC945P
GND
C40 C41
AC1
102 102
GND
GND GND
VR1
Volume Encoder
SOUNDWELL:EC121102F2B-HA1-017 FA
Encoder+ 1
A
Encoder- 3
B
STB_KEY
C21
C22
101
101
GND
D34
R11 R3
0R NC
+B5V
470R NC
STB_LED
RED NC
Q4
R27 10K NC
2SC8050 NC
R28
47K NC
IR1
GND
IRT RECEIVER
IRM-8871M-F73-4 (40KHz)
+B5V
IR
ET1 ET2 ET3
ET ET ET
C24
C45
101
102
RB3
ESD GND
GND
W/1007#18 60MM BLK
FB16 600
FB17 600
FB18 600
J2
ESD5
NEWJIN LOK:CKX3.5-24A
SFI0603ML080C
4
6
2
3
MIC/AUX_R
7
5
1
C803 104 104
C801 104 C802
GND_A 104 GND C804 GND_M
C806 104
17 17
8 9
ND1
VFD 32Pin
AOTOM:20075-2A27
R14
10K
R13
470R
C37
22UF/35V
GND
AC2
AC2
33PF NC
R24
+VDD
56K
+B5V
R15
10K NC KEY1
1 1
STB_KEY
2
C42
3
101
4
VFD_SDA 5
GND 6
7
VFD_SCK 8
VFD_STB 9
10
11
12
13
JW2
10mm
R26
R20 10K K1
100R R21 10K K2
10K K3
R22
R23 10K K4
C44
GND
100uF/16V
KEY2 OPEN
K1
KS3
C23
101 KEY3
K2
4 KEY4
6 K3
2
3 KEY5
7 K4
5
1
MIC IN / MP3 IN
J3
NEWJIN LOK:CKX3.5-24A
GND_M
HCD-DX400
10 11 12
VFD DISPLAY
AC1
C48
+VDD
GND
39 GR7
SW1 GR6
38 GR6
SW2 GR7
37 GR5
SW3 GR8
36 GR4
SW4 SG20/GR9
35 GR3
DOUT SG19/GR10
34
IC1
DIN VEE -22V
33
VFD Driver
NC VDD +VDD
32 GR2
CLK PT6311 SG18/GR11
31 GR1
STB SG17/GR12
30
K1 SG16
29 SG1
K2 SG15
28 SG2
K3 SG14
27 SG3
K4 SG13
+VDD
D1 D2 D3
IN4148 IN4148 IN4148
SW-PB
SW-PB KEY6 SW-PB KEY9
KEY7
SW-PB SW-PB KEY10 SW-PB
SW-PB
KEY8 SW-PB KEY11 SW-PB
Notes:
Capacitance Withstand voltage value is not marked, are 50V
Accuracy value is not marked, are 5% or 10%
Resistance Accuracy value is not marked, are 5%