HCD-ZT4
HCD-ZT4
23
23
SECTION 7
DIAGRAMS
7-1. BLOCK DIAGRAM - CD SERVO, USB Section -
SYSTEM CONTROLLER
IC401 (1/4)
CD-MP3 PROCESSOR
IC101
MUTE
2-AXIS
DEVICE
(TRACKING)
(FOCUS)
95
89
A
+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
46
AoUT3 (PO4)
50
PIO2
65
AIN (PI4)
66
BCKi (PI5)
BCK
A-IN
BUS1-U
BUS0-U
BUS2-U
BUS3-U
BUCK-U
67
LRCKi (PI6)
LRCK
51
PIO3
GATE
49
PIO1
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
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)
+3.3V
24 XO
23 XI
X102
16.9344MHz
47 CD-MMUTE
CD-L
R-CH
USB_REC-L
: CD PLAY
SIGNAL PATH
R-ch is omitted due to same as L-ch.
: TUNER (FM/AM)
: USB
VCC
A
B
C
D
E
F
LD
PD
SP+
VC
SP–
SL+
SL–
T+
T–
F+
F–
47
AoUT2 (PO5)
63
BCK (PO8)
CLK
DATA
2
1
41 CD BUS0
13
39
BUS1
3
4
42 CD BUS1
5
40
BUS2 (SO)
9
8
43 CD BUS2
45 CD CLK
6
41
BUS3 (SI)
10
11
44 CD BUS3
12
BUS SWITCH
IC670
2
1
13
3
4
5
9
8
6
10
11
12
BUS SWITCH
IC672
Q671
DATA SELECTOR
IC673
SELECT
42
BUCK (CLK)
4
2
3
CCE-U
46 CD CCE
43
XCCE
54
SBSY
48
PIO0
7
40 MP3 IREQ
37 USB SEL-SW
19 SBSY
37
XRST
48 CD-XRST
5
REQ-U
6
12
14
13
9
10
11
1
CLK
DATA
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
CN1000
(USB)
3
2
1
D+
D–
78
USBPON
70
CS2
64
RD
65
WR
66
SRLLB
67
SRLUB
VBUS
VBUS POWER
ON/OFF SWITCH
IC915
5
1
4
OUT
EN
3
FLG
IN
VBUS
+5V
93 DATA
92 BCK
85 DATA
86 CLOCK
71 LRCK
94 GATE
97 ST-REQ
55 BUS0
56 BUS1
88 RXD1
87 TXD1
2 DI
84 DO
1 /RESET
57 BUS2
58 BUS3
59 /BUCK
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
AUTOMATIC
POWER
CONTROL
Q301
BCK
A-IN
LRCK
GATE
ST-REQ
BUS1-U
BUS0-U
BUS2-U
BUS3-U
BUCK-U
CCE-U
REQ-U
35
USB TXD0
36
USB RXD0
38
USB RTS0
34
USB CTS0
33
USB RESET
A/D CONVERTER
IC501
STDO
SCLK
AINL 2
AINR 1
9
12
LRCK
MCLK
10
11
PDN
13
DATA SELECTOR
IC502
3Y
3B 10
SELECT 1
3A 11
1B 3
1A 2
2B 6
2A 5
9
1Y
4
2Y
7
A
B
CD MECHANISM
DECK
M1-
M2+
M2-
M1+
M1+ 21
M1- 18
M2+ 7
M2- 6
MOTOR
DRIVE
Q640, 641,
Q643 - 648
SW3
SW2
SW7-CHACK
SW1
SW1 23
SW3 22
SW2 25
SW-CHUCK 24
SW5-STOCK
SW8-OPEN
SW6-CLOSE
SW-STOCK 27
SW-CLOSE 26
SW-OPEN 28
(Page 24)
(Page 24)
