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5-1.
BLOCK DIAGRAM –CD Section –
3
D+
38 UHD+
2
D-
CN304
37 UHD-
1
VBUS+5V
(USB)
4
6 CF1
X901
12MHz
7 CF2
CD-MP3 PROCESSOR
OPTICAL PICK-UP BLOCK
(DA11MMVGP)
A
5 AIN
B
7 BIN
C
6 CIN
D
8 DIN
13
EIN
E
F
14
FIN
AUTOMATIC
POWER
LD
18 LDD
CONTROL
Q201
19
MD
LDS
11 VREF
VREF
FOCUS/TRACKING COIL DRIVE,
SLED/SPINDLE MOTOR DRIVE
IC301
2
VO1+
IN1 3
25 SPDO
SP+
SP-
1
VO1-
11
VO2+
IN2' 9
24 SLDO
SL+
12
VO2-
SL-
T+
18
VO3+
IN3' 20
23 TDO
17
VO3-
T-
26
VO4+
IN4' 24
22 FDO
F+
F-
27
VO4-
MUTE 7
HCD-EX600/EX700/EX900
SECTION 5
DIAGRAMS
USB CONTROLLER
IC901
DBGP0 23
DBGP1 24
DBGP2 25
URX1 44
UTX1 45
P71 47
RES 2
SO0 9
SI0 10
SCK0 11
P16 15
P23 32
SDAT 26
BCLK 27
LRCK 28
P22 31
P24 33
P70 46
(Page 18)
TUNER/
IC101
AUDIO
SECTION
A
LCHO
76
CD/USB-L
RCHO
78
R-CH
STREQ 33
STCK 34
STDATA 35
PCMLRSY 62
PCMBCK
63
PCMDATA
64
PCMREQ
65
CE
43
CL
44
DI
45
DO
46
LIMIT-SW 32
S001
(LIMIT)
XOUT
72
X101
16.934MHz
XIN
73
RESB 47
8
DBGP0
7
DBGP1
5
DBGP2
CN901
(
)
FLASH
PROGRAMMING
TRESET
9
93
O-USB-TXD
94
I-USB-RXD
92
O-USB-SLEEP
4
O-USB-RST
+9V
2
SYSTEM CONTROL
IC302 (1/3)
O-CD-ON 91
MOTOR
CONTROL
Q305
3
O-CD-CE
O-CD-M- 87
7
98
O-CD-CL
O-CD-M+ 88
9
99
I-CD-DO
2
O-CD-DI
I-CD-OP/CL 18
1
O-CD-RST
DBGP0
95
DBGP1
96
DBGP2
97
100
O-CD-M-MUTE
I-RST 11
I-RST
17
17
HCD-EX600/EX700/EX900
: CD
: USB
+3.3V
4
AVDD3.3V
IC304
1
DVDD3.3V
LOADING
MOTOR
CD
DRIVE
MECHANISM
IC303
DECK
1
VREF
FIN
OUT2
M+
2
RIN
OUT1
4
M–
OPEN SW
CLOSE SW
TUNER/
B
I-HP/CD-SW
AUDIO
SECTION
(Page 18)
2
DBGP0
3
DBGP1
5
DBGP2
CN301
(
)
FLASH
PROGRAMMING
1
RESET
DISPLAY/POWER
C
SECTION
(Page 19)
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