Sony HCD-HX7 Service Manual - Page 18

Hcd-hx3/hx5/hx7, Diagrams - 40

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HCD-HX3/HX5/HX7 HCD-HX3/HX5/HX7 SECTION 6 DIAGRAMS 6-1. Block Diagram - CD SERVO Section - DETECTOR A B C D E F I-V AMP AVDD +3.3V VCC A B C D E F 95 FNi1 (A) 97 FPi1 (B) 94 FNi2 (C) RFo 89 96 FPi2 (D) RFRP 3 100 TNi (E) TEi 6 98 TPi (F) LASER DIODE LD PD LD PD OPTICAL PICK-UP VC BLOCK (KSM-213DCP) SP+ M401 (SPINDLE) M SP- SL+ M402 (SLED) M SL- 2-AXIS DEVICE T+ T- AUTOMATIC POWER CONTROL Q301 91 LDo MDi 92 FOCUS/TRACKING COIL DRIVE, SLED/SPINDLE MOTOR DRIVE IC401 2 VO1+ 1 VO1- BIAS 23 IN1 3 12 VO2- 11 VO2+ IN2' 9 18 VO3+ 17 VO3- IN3' 20 88 AGCi RFEQo 83 2 RFZI 7 TEZi 81 RFi LO 30 82 RFRPi RO 27 AIN (PI4) 65 BCKi (PI5) 66 LRCKi (PI6) 67 PIO3 51 AoUT3 (PO4) 46 84 VRo 13 DMo BUS0 38 BUS1 39 BUS2 (SO) 40 CD-MP3 PROCESSOR BUS3 (SI) 41 IC101 12 FMo 10 TRo (FOCUS) (TRACKING) F+ F- R-ch is omitted due to same as L-ch. SIGNAL PATH : CD PLAY : USB 26 VO4+ 27 VO4- IN4' 24 MUTE 7 9 FOo DVDD +3.3V S201 (LIMIT) 20 IO0 (/HSO) BUCK (CLK) 42 XCCE 43 PIO0 48 R-CH A-IN BCK LRCK GATE ST-REQ (HX7) (HX3/HX5) DATA BUS SWITCH IC311 1 2 13 4 3 5 8 9 6 11 10 12 DATA BUS SWITCH IC312 1 2 13 4 3 5 8 9 6 11 10 12 Q321 BUS0 BUS1 BUS2 BUS3 SIGNAL SELECTOR IC313 2 4 3 5 7 6 14 12 13 10 9 11 A/B 1 BUCK CCE REQ (HX7) XI XO 23 24 SBSY 54 XRST 37 X102 16.9344MHz 18 18 SYSTEM CONTROLLER IC301 (1/5) 3 CD BUS0 2 CD BUS1 1 CD BUS2 100 CD BUS3 CD-L A (Page 20) A-IN, BCK, LRCK, GATE, ST-REQ B (Page 19) (HX3/HX5) BUS0 - BUS3, BUCK, CCE, REQ C (Page 19) (HX3/HX5) 23 CD CLK 24 CD CCE 26 MP3 IREQ 6 DEC BUS SEL1 CDM LOAD IN 49 CDM LOAD OUT 48 19 SBSY 25 CD XRST 22 CD DRIVE MUTE CDM OPEN SW 50 CDM CLOSE SW 51 LOADING MOTOR DRIVE IC320 M M001 (LOADING) S001 DISC TRAY OPEN/CLOSE DETECT OPEN CLOSE

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HCD-HX3/HX5/HX7
18
18
HCD-HX3/HX5/HX7
SECTION
6
DIAGRAMS
6-1.
Block Diagram
– CD SERVO Section –
SYSTEM CONTROLLER
IC301 (1/5)
CD-MP3 PROCESSOR
IC101
MUTE
2-AXIS
DEVICE
(TRACKING)
(FOCUS)
95
89
A
AVDD
+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
65
AIN (PI4)
66
BCKi (PI5)
BCK
A-IN
BUS1
BUS0
BUS2
BUS3
BUCK
67
LRCKi (PI6)
LRCK
51
PIO3
GATE
46
AoUT3 (PO4)
ST-REQ
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
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
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)
(HX7)
(HX7)
(HX3/HX5)
(HX3/HX5)
(HX3/HX5)
(Page 20)
(Page 19)
(Page 19)