Read Sony HCD-HX3 / HCD-HX5 / HCD-HX7 (serv.man3) Service Manual online
HCD-HX3/HX5/HX7
6
6
HCD-HX3/HX5/HX7
1-1-4.
SCHEMATIC DIAGRAM – MAIN Board (3/3) (for Singapore model of HCD-HX5) –
EP101
EP102
R101
R102
R202
R201
R257
R259
R107
R207
R258
R260
R203
R103
Q313
CN301
IC320
C
25
8
C
25
6
C268
C
2
6
0
C265
C263
C266
C264
JR102
R398
R385
R399
R396
C355
C306
C303
Q326
Q325
R108
R208
R
4
5
3
R
4
5
2
R406
R405
R407
C253
C254
C269
C206
C106
C249
C149
C250
C251
C150
C151
C305
IC304
R235
R135
R234
R134
CN318
IC313
IC312
IC311
C372
C371
R333
Q321
R352
D210
C370
D212
D211
Q312
Q327
R346
R347
R341
Q330
D213
R408
Q329
CN308
CN307
C323
C322
CN320
R491
4.7k
47k
47k
4.7k
47k
47k
47k
47k
10k
10k
1k
1k
RT1N141C-TP-1
9P
BA6956AN
0
.08
2
0
.0
8
2
0.082
0
.08
2
0.047
0.047
0.01
0.01
0
47k
10k
470
10k
0.1
0.1
0.1
2SC3052F
2SC3052F
220
220
0
0
0
1k
1k
2.2
50V
50V
2.2
50V
50V
10
50V
4.7
50V
4.7
50V
1
50V
1
50V
1
50V
1
50V
1
50V
1
50V
10 50V
R2S15904SP
1N4002-B5
1N4002-B5
KTA1271Y-AT
0.1
0.1
5P
100k
B1
B2
B3
B4
C1
C2
C3
C4
21
3
2
23
24
88
89
90
87
GATE
ST_REQ
GPIN/AIN
SFSY/BCKIN
ZDETLRCKIN
BUCK
BUS0
BUS1
XCCE
CCE
BUCK1
BUS1-1
BUS0-1
28
REQ1
BUS2-1
BUS3-1
REQ
22
19
REQ
XCCE
BUCK
BUS3
BUS2
BUS1
BUS0
25
L-OUT
R-OUT
CCE
BUCK1
BUS3-1
BUS2-1
BUS1-1
BUS0-1
ZDETLRCKIN
27
REQ1
35
36
38
37
BUS2
BUS3
OPEN
CLOSE
48
49
26
6
1
100
56
55
RIN
LIN
C252
1
50V
AOUTR
X
C152
1
50V
AO
U
TL
L-OUT
AINL
AINR
R-OUT
Y
69
68
Y
X
AINL
AINR
ST_REQ
GATE
GPIN/AIN
SFSY/BCKIN
CLOSE
OPEN
50
51
47k
47k
2.2k
2.2k
JR115
JR116
0
0
TC74VHC157FT
TC74HC4066AFT
TC74HC4066AFT
0.1
0.1
10k
RT1N141C
100
1SS355W
0.1
KTA1271Y-AT
10k
47k
470
2SC3052F
1N4002-B5
10k
RT1N141C
19P
-CD-
-AUDIO IN-
-USB-
IN
R3
INR
2
IN
R1
INL1
IN
L2
INL3
INL
4
IGO
U
TL
VOLINL
IGOU
TR
VOLINR
N
C
N
C
TREL
TR
ER
DG
ND
CLK
D
ATA
REFIN
AG
N
D
R
O
UT
LO
U
T
IN
R4
B
ASL2
BA
SL1
BASR
2
BASR1
VC
C
LRCK
CCE
BUCK
BUS3
BUS2
BUS1
BUS0
DVDD3.3V
DVSS
USB-RST
ST-REQ
REQ
GATE
A-IN
BCK
-TU-
DO/STEREO
ST CLK
ST DIN
ST CE
R OUT
AGND
L OUT
+9V
NC
VC
O+
O-
VM
VCC
I+
I-
GN
D
G
ND
GATE
ST_REQ
GPIN/AIN
SFSY/BCKIN
MGND
VM(7V)
DVDD(3.3V)
D-OUT
DGND
SBSY
REQ
CCE
BUCK
BUS3
BUS2
BUS1
BUS0
RST
AGND
L-OUT
DACGND
R-OUT
AVDD(3.3V)
1A
1B
2B
2
A
2C
3C
G
ND
V
CC
1C
4C
4
A
4B
3B
3
A
AUDIO IN L
AUDIO IN GND
AUDIO IN R
DGND
HP GND
HP L
HP R
HP DET
AUDIO IN DET
CD DRIVE MUTE
1A
1B
2B
2
A
2C
3C
GND
VC
C
1C
4C
4
A
4B
3B
3A
A
/B
1A
1B
1
Y
2A
2
B
2
Y
GN
D
VC
C
G
4A
4B
4Y
3A
3B
3Y
(3/3)
(CHASSIS)
(CHASSIS)
INPUT SELECTOR,
ELECTRICAL VOLUME,
SURROUND/TONE CONTROL
9P
AM
ANTENNA
COAXIAL
FM 75
Ω
THE ASSEMBLED
BLOCK
SUPPLIED WITH
TUNER
(FM/AM)
INVERTER
Q312,313,325,326
B+ SWITCH
LOADING MOTOR DRIVE
B+ SWITCH
Q327,329,330
ZDET/LRCKIN
25P
OPEN SW
CLOSE SW
DGND
CLOSE
OPEN
SIGNAL
SELECTOR
DATA BUS
SWITCH
DATA BUS
SWITCH
USB-SI(RXD)
USB-SO(TXD)
DI(CTS)
DO(RTS)
(Refer to page 35
on service manual)
TO
MOTOR BOARD
CN001
(Refer to page 40
on service manual)
(Refer to page 25
on service manual)
(Refer to page 27
on service manual)
(Page 4)
(Page 5)
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