Sony HCD-HX3 / HCD-HX5 / HCD-HX7 (serv.man3) Service Manual ▷ View online
24
HCD-HX3/HX5/HX7
MEMO
HCD-HX3/HX5/HX7
25
25
HCD-HX3/HX5/HX7
2-6-1.
BLOCK DIAGRAM – CD SERVO Section –
SYSTEM CONTROLLER
IC301 (1/4)
CD-MP3 PROCESSOR
IC101
MUTE
2-AXIS
DEVICE
(TRACKING)
(FOCUS)
95
89
A
AVDD
+3.3V
+3.3V
DETECTOR
FNi1 (A)
RFo
97 FPi1 (B)
88
2
AGCi
3
RFRP
RFZI
7
6
TEi
TEZi
83
RFEQo
81 RFi
82 RFRPi
30
LO
27
RO
47
AoUT3 (PO5)
66
BCKi (PI5)
BCK
DATA
65
AIN (PI4)
A-IN
BUS1
BUS0
BUS2
BUS3
BUCK
67
LRCKi (PI6)
LRCK
51
PIO3
GATE
46
AoUT3 (PO4)
ST-REQ
63
BCK (PO8)
CLCOK
38
BUS0
R-CH
94 FNi2 (C)
96 FPi2 (D)
100 TNi (E)
98 TPi (F)
91 LDo
92
MDi
2 VO1+
1 VO1–
13 DMo
AUTOMATIC
POWER CONTROL
Q301
LD
PD
LASER DIODE
OPTICAL PICK-UP
BLOCK
(KSM-213DCP)
B
C
D
E
F
12 FMo
10 TRo
9 FOo
20 IO0 (/HSO)
I-V AMP
M401
(SPINDLE)
M402
(SLED)
12 VO2–
11 VO2+
18 VO3+
17 VO3–
26 VO4+
27
7
IN4’ 24
IN3’ 20
IN2’ 9
IN1 3
BIAS 23
84 VRo
VO4–
M
M
FOCUS/TRACKING COIL DRIVE,
SLED/SPINDLE MOTOR DRIVE
IC401
S201
(LIMIT)
DVDD
+3.3V
+3.3V
24
XO
23
XI
X102
16.9344MHz
22 CD DRIVE MUTE
LOADING
MOTOR DRIVE
IC320
CDM LOAD IN 49
CDM LOAD OUT
CDM OPEN SW
CDM CLOSE SW
48
50
51
M
A
CD-L
B
DATA, CLOCK,
A-IN, BCK, LRCK,
GATE, ST-REQ
C
BUS0 – BUS3,
BUCK, CCE, REQ
: CD PLAY
SIGNAL PATH
R-ch is omitted due to same as L-ch.
: USB
VCC
A
B
C
D
E
F
LD
PD
SP+
VC
SP–
SL+
SL–
T+
T–
F+
F–
1
2
3 CD BUS0
13
39
BUS1
4
3
2 CD BUS1
5
40
BUS2 (SO)
8
9
1 CD BUS2
23 CD CLK
6
41
BUS3 (SI)
11
10
100 CD BUS3
12
DATA BUS SWITCH
IC311
1
2
13
4
3
5
8
9
6
11
10
12
DATA BUS SWITCH
IC312
SIGNAL SELECTOR
IC313
A/B
Q321
42
BUCK (CLK)
4
2
3
CCE
24 CD CCE
43
XCCE
54
SBSY
48
PIO0
7
26 MP3 IREQ
6 DEC BUS SEL1
19 SBSY
37
XRST
25 CD XRST
5
REQ
6
12
14
13
9
10
11
1
S001
DISC TRAY
OPEN/CLOSE DETECT
OPEN
CLOSE
M001
(LOADING)
(Page 26)
(Page 27)
(Page 27)
2-6. DIAGRAMS
HCD-HX3/HX5/HX7
26
26
HCD-HX3/HX5/HX7
2-6-2.
BLOCK DIAGRAM – MAIN Section –
AUDIO IN
R-CH
J981
CD-L
A
8
5
4
22
DATA
21
CLK
AMP DATA
55
AMP CLOCK
56
TA LINE-MUTE
54
HP MUTE
52
HP DET
68
AUDIO IN DET
69
D
L-CH
LOUT
INPUT SELECTOR, ELECTRICAL VOLUME,
SURROUND/TONE CONTROL
IC304
SYSTEM CONTROLLER
IC301 (2/4)
: AUDIO
SIGNAL PATH
R-ch is omitted due to same as L-ch.
: CD PLAY
: AUDIO IN
: TUNER (FM/AM)
PHONES
R-CH
J982
INL3
IGOUTL
VOLINL
INL2
INL1
9
MUTING
IC315
R-CH
27
MUTING
CONTROL SWITCH
Q303, 304
MUTING
IC316
R-CH
MUTING
CONTROL SWITCH
Q306, 307
HEADPHONE
AMP
IC317
TUNER (FM/AM)
AM
FM ANT
AM ANT
L OUT
R OUT
DO/STEREO
R-CH
RDS DATA
RDS CLK
ST DIN
ST CLK
ST CE
FM75
Ω
COAXIAL
ANTENNA
RDS INT
18
RDS DATA
86
ST CE
87
ST CLK
89
ST DATA OUT
90
ST DATA IN/STEREO
88
6
(Page 27)
(Page 25)
HCD-HX3/HX5/HX7
27
27
HCD-HX3/HX5/HX7
2-6-3.
BLOCK DIAGRAM – AMP/USB Section –
SYSTEM CONTROLLER
IC301 (3/4)
L-CH
D
13
A/D CONVERTER
IC701
STREAM PROCESSOR
IC705
IN_L
31 DATA
6 SCKI
DOUT 9
30 BCK
BCK 8
29 LRCK
36 XFSIIN
48 XFSOIN
LRCK 7
OUTL1 11
DIGITAL POWER AMP
IC707
4 PWM_A
6 PWM_B
16
3
PWM_D
/SD
14 PWM_C
OUT_A 33
OUT_B 30
OUT_D 22
OUT_C 25
OUTL2 9
15
/RST_CD
5
/RST_AB
OUTR1 6
OUTR2 4
X702
49.152MHz
SCDT
SCSHIFT
SCLATCH
PGMUTE
SOFTMUTE
NSPMUTE
21
22
23
20
19
18
27
INIT
CLOCK
SHIFT
IC703
IC703
CLOCK
BUFFER
IC709
OVER LOAD
DETECT
Q702, 703
OVER LOAD
DETECT
Q752, 753
L.P.F.
L.P.F.
L.P.F.
L.P.F.
PROTECT
DETECT
Q701
R
L
+
–
+
–
SPEAKER
J860
: AUDIO
SIGNAL PATH
R-ch is omitted due to same as L-ch.
LB
I/O0 – I/O15
D0 – D15
S-RAM
IC921
39
UB 40
OE 41
WE 17
CE 6
79 D+
80 D–
77 USBOC
USB CONTROLLER
IC901
35 USB TXD/SAT TXD
CN902
(USB)
(USB)
3
2
1
D+
D–
78 USBPON
70 CS2
64 RD
65 WR
64 RD
65 WR
66 SRLLB
67 SRLUB
VBUS
B
DATA, CLOCK,
A-IN, BCK, LRCK,
GATE, ST-REQ
C
BUS0 – BUS3,
BUCK, CCE, REQ
VBUS POWER
ON/OFF SWITCH
IC915
5
1
4
OUT
EN
3
FLG
IN
VBUS
+5V
93
DATA
92
BCK
85
DATA
86
CLOCK
BCK
A-IN
LRCK
GATE
ST-REQ
CLOCK
DATA
71
LRCK
94
GATE
97
ST-REQ
55
BUS0
56
BUS1
BUS1
BUS0
88
RXD1
36 USB RXD/SAT RXD
44 S-MASTER SD
43 S-MASTER DATA
42 S-MASTER SHIFT
33 S-MASTER LATCH
47 S-MASTER PG MUTE
7 S-MASTER SOFT MUTE
40 S-MASTER NSP MUTE
39 S-MASTER INIT
45 S-MASTER RST
87
TXD1
38 USB_RTS
2
DI
37 USB_CTS
84
DO
27 USB RESET
1
/RESET
BUS2
BUS3
BUCK
57
BUS2
58
BUS3
59
/BUCK
CCE
REQ
60
/CCE
96
REQ
7 – 10, 13 – 16,
29 – 32, 35 – 38
18 – 25, 28 – 35
A0 – A15
A1 – A16
44 – 42, 27 – 24,
21 – 18, 5 – 1
37 – 43, 46 – 54
73
X2
75
X1
X901
9MHz
: CD PLAY
: USB
(Page 26)
(Page 25)
(Page 25)
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