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)