22
22
CDX-MP70
4-2. BLOCK DIAGRAM — CD SECTION —
(Page 24)
IC3 (2/2)
I-V
AMP
RFAC
RFDC
EQ
IN
A
B
B+
(RF+5V)
C
D
VC
DVCC
LD
OUT2F
FFDR
FRDR
TFDR
TRDR
SFDR
SRDR
IN4F
OUT2R
OUT1F
OUT1R
C176
MDS
MDP
OUT3F
OUT3R
OUT4F
OUT4R
A-D
RFAC
RFDC
DC OFST
FE
TE
TE BAL
VCC
VC
B+ (SERVO+3.3V)
DVC
63 VC
FE
LOUT1
LOUT2
PCMD
PCMDI
LRCK
BCK
SE
TE
FFDR
FRDR
TFDR
TRDR
SFDR
SRDR
42 C176
43
MDP
44
35 27 26 25 24 23 21 17 15 14 12 8 81 78
20 7 8
9 11 10 16 38 85 84 17 6 19 40
30
68 31 32 47 48 87 88 86
15 70 74 76 77 78 91 92
2
3
72
1
5
6
60
62
9
94
5
32
30
19
39
94
59
MDS
TEL BAL ADJ
APC2
22 APC1
23 SPST
63 XTAL
65 XTXAL
1-4,7
10-20,31
22
23
4
5
2,3,24,25
8-12
15-19,21
115-118
1-3,5-7
106-109,110
3,4,7,10,11
15-31,34
36-38,41
42,44,45
21-23
25-29
47,48
49-51
53-55
FOCUS
COIL
DRIVE
27
29
30
25
TRACKING
COIL
DRIVE
21
19
18
23
SLED
MOTOR
DRIVE
12
14
SPINDLE
MOTOR
DRIVE
6
4
8
16
3
15
10
104
97
90
86
89
88
14
13
9
12
14
8
12
10
7
6
8
1
7
3
IC3 (1/2)
I-V
AMP
5
2V REG
IC7
AUTO POWER
CONTROL
Q1
APC
AMP
MUTE
Q3
MOTOR
CTL
IC9
VCA
VC
VC
RFDC
AMP
FOCUS
ERROR
AMP
OFFSET
CONTROL
Q2
APC MODE
CONTROL
Q5,6
VIBRATION
MEMORY
CONTROLLER/
COMPRESSION
EXPANDER
OP AMP,
ADC
LPF
DAC
SERVO BLOCK
MICRO
COMP.
I/F
BUS
SWITCH
GAIN
BAL
TRACKING
ERROR
AMP
EQ
27
10
11
62
60
61
12
DIGITAL
CLV
SIGNAL
PROCESSOR
FOCUS/TRACKING COIL DRIVE,
SLED/SPINDLE MOTOR DRIVE
IC8
IN4R
PSB
M
M
M2
SLED
MOTOR
M1
SPINDLE
MOTOR
22
14
18
19
13
1
2
PD
15
28
30
16
9
3
RF AMP
IC2
RF
A
B
VC
E
F
LD
PD
F+
F-
T+
T-
OPTICAL
PICK-UP
BLOCK
71
58
D0-3
A0-10
120
93
119
114
113
FOK
SCLK
SENS
CLOK
XLAT
SDTO
XRST
SCOR
SQCK
SQSO
XQOK
XWRE
GFS
WDCK
FOK
SCLK
SENS
CD CLK
CD LAT
CD DAT
XRST
SCOR
SQCK
SQSO
XQOK
XWRE
GFS
XRDE
SCL
SDA
GRSCOR
X2
12.288MHz
43
21
PSB
FL BOOT
PCTX
PCRX
KEY IN0
KEY IN1
LED CLK
LED LAT
LED DATA
MUTE
CD ON
LINK OFF
UNI SO
UNI SI
UNI CK
BUS ON
BU CHK
FL BOOT
PCTX
PCRX
KEY IN0
KEY IN1
LED CLK
LED LAT
LED DATA
UNI SLK
A-ATT
BU IN
1
2
3
4
5
6
7
8
3
1
26
CN7
DECXRES
DECSTBY
DECINT
NC
RSTX
CD SYSTEM CONTROL
IC11
4 81 80
BUFF
IC15
AUDIO
I/F
SRAM
I/F
PROM
BUFF
IC10
RAS
DQ1-4
A0-10
WE
CAS
CSI
DQ1-3
IO4-8
A0-16
OE
WE
OE
43
17
16
DRAM
IC6
SRAM
IC4
XRAM
YRAM
CROM
SW4
ERAM
MAC
ALU
X BUS
Y BUS
XI
SDIO
SDD
LRCKIA
BCKIA
CKI.AKO
MICK
MIDIO
RESET
STANBY
PO7
LEVEL
SHIFT
IC13
2V REG
IC7
RF+5V
B+ (REF+2V)
(IC3)
2.5V REG
IC12
BU+3V
B+ (REF+2.5V)
(IC5)
DIGITAL SERVO
DIGITAL SIGNAL PROCESSOR
IC1
AUDIO INTERFACE
IC5
M
B
SW1
OPEN/CLOSE
SW2
(OPEN END )
SW3
(CLOSE END)
27
30
6
29
10
11
15
19
12
17
16
18
14
13
L-CH
R-CH
MOTOR+
MOTOR-
LED ON
A-ATT
CD ON
LINK OFF
UNI SO
UNI SI
UNI SLK
BUS ON
BU IN
EJECT KEY
OPEN END
CLOSE END
SYS RESET
CN6
M3
LOADING
MOTOR
D2,4-7
IC14
50
51
48
49
46
47
XTAI
XOE
XCAS
XWE
XRAS
XTAO
XRDE
B+
(RF+5V)
T0
MAIN
BOARD
A
X1
16.934MHz
• Signal path
: CD
