Read Sony HCD-HX3 / HCD-HX5 / HCD-HX7 (serv.man2) Service Manual online
HCD-HX3/HX5/HX7
5
5
HCD-HX3/HX5/HX7
2-5. SCHEMATIC DIAGRAM – MAIN Board (3/3) –
EP101
EP102
R101
R102
R202
R201
R257
R259
R107
R207
R258
R260
R203
R103
Q313
CN301
IC320
C
2
5
8
C
25
6
C268
C
26
0
C265
C263
C266
C264
JR102
R398
R385
R399
R396
C355
C306
C303
Q326
Q325
R108
R208
R
45
3
R
4
5
2
R406
R405
R407
C253
C254
C269
C206
C106
C249
C149
C250
C251
C150
C151
C305
C152
C252
IC304
R235
R135
R234
R134
CN318
JR110
JR111
IC313
IC312
IC311
C372
C371
R333
JR104
JR105
Q321
JR107
JR106
R352
D210
C370
D212
D211
Q312
Q327
R346
R347
R341
Q330
D213
R408
Q329
CN308
CN307
JR108
C323
C322
CN320
R491
4.7k
47k
47k
4.7k
47k
47k
47k
47k
10k
10k
1k
1k
RT1N141C-TP-1
9P
BA6956AN
0
.0
8
2
0
.0
8
2
0.082
0.0
82
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
50V
4.7
50V
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
86
18
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
AOUTR
AOUTL
X
L-OUT
AINL
AINR
R-OUT
Y
69
68
Y1
X1
AINL
AINR
ST_REQ
GATE
GPIN/AIN
SFSY/BCKIN
CLOSE
OPEN
50
51
1
50V
1
50V
47k
47k
2.2k
2.2k
0
0
TC74VHC157FT
TC74HC4066AFT
TC74HC4066AFT
0.1
0.1
10k
0
0
RT1N141C
0
0
100
1SS355W
0.1
KTA1271Y-AT
10k
47k
470
2SC3052F
1N4002-B5
10k
RT1N141C
19P
0
-CD-
-AUDIO IN-
-USB-
INR3
INR
2
IN
R
1
IN
L1
INL2
INL3
INL
4
IGOU
TL
VO
LINL
IGO
UTR
V
OLIN
R
NC
NC
TREL
TRER
D
GND
CL
K
DATA
REFIN
A
GND
RO
UT
LO
U
T
INR
4
BASL
2
BA
SL1
BASR2
BA
S
R1
VCC
LRCK
CCE
BUCK
BUS3
BUS2
BUS1
BUS0
DVDD3.3V
DVSS
USB-RST
ST-REQ
REQ
GATE
A-IN
BCK
-TU-
RDS DATA
RDS CLK
DO/STEREO
ST CLK
ST DIN
ST CE
R OUT
AGND
L OUT
+9V
NC
VC
O+
O-
VM
VC
C
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
2A
2C
3C
GN
D
VCC
1C
4C
4A
4B
3B
3A
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
2A
2C
3C
GN
D
VCC
1C
4C
4A
4B
3B
3A
A
/B
1A
1B
1Y
2A
2B
2Y
G
ND
VC
C
G
4A
4B
4Y
3A
3B
3Y
(3/3)
(CHASSIS)
(CHASSIS)
(HX5/HX7)
(HX5/HX7)
INPUT SELECTOR,
ELECTRICAL VOLUME,
SURROUND/TONE CONTROL
11P(HX3:AEP/HX5:AEP,UK)
9P
HX3:CND/HX5:CND,
AUS,KR/HX7
(HX3:AEP,HX5:AEP,UK)
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
21P(HX7)
25P(HX3/HX5)
(HX3/HX5)
(HX3/HX5)
(HX7)
(HX7)
(HX7)
(HX7)
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)
(HX3/HX5)
(Refer to page 40
on service manual)
(Refer to page 25
on service manual)
(Refer to page 27
on service manual)
(Refer to page 35
on service manual)
TO
MOTOR BOARD
CN001
(SUFFIX-13,-21)
(SUFFIX-14,-22)
(SUFFIX-13,-21)
(SUFFIX-14,-22)
(SUFFIX-13,-21)
(SUFFIX-14,-22)
(SUFFIX-13,-21)
(SUFFIX-14,-22)
(SUFFIX-13,-21)
(SUFFIX-14,-22)
(Page 3)
(Page 4)
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