Diagrams; Block Diagram -Cd Section - Sony CDX-MP30 Service Manual

3-1. Block Diagram –CD Section–
OPTICAL PICK-UP
KSS-720A
B
A 84
D
C
85
A
B
82
C
I-V
D
83
CONV.
E
E
87
F
F 86
APC
PD
PD
97
LD
LD DRIVE A+5V
Q1
LD
98
IC2
FOCUS/TRACKING COIL DRIVE,
SLED/SPINDLE/LOADING MOTOR DRIVE
FCS-
FOCUS
15
FOCUS
COIL
FCS+
COIL 16
DRIVE
TRK+
TRACKING
17
TRACKING
COIL
TRK-
COIL
18
DRIVE
SL-
M SLED
M902 13
MOTOR
(SLED)
SL+
14
DRIVE
SP+
SPINDLE
M
11
M901
MOTOR
(SPINDLE) SP-
12 DRIVE
LD-
M LOADING
9
M903
MOTOR
(LOADING) LD+
10
DRIVE
SECTION 3

DIAGRAMS

IC1
RF AMP,DIGITAL SERVO
DIGITAL SIGNAL PROCESSOR
RF EFM
EQ DEMOD
DSUB CODE
PROCESS
FORCUS
ERROR
TRACKING
ERROR
SERVO
CTL
OSC
62 63 64 65 23 24
X1
16.9344MHz
FD
26
TD
23
SD
5
MD
6
LOAD
1
EJECT
2
Q916,D927
A+5V
CD+5V
REG
AU+5V
D+5V
DR+6V
CD DRIVE+6V
LOUT
16
D/A CDL
ROUT
CONV
12 R-CH
IC7
5V 3.3V
PACK
52
TSTB
3 17
56
TSCK
55
TSI
54
SI 14 6
8
SO
7
SCK
12 8
6
I/F STB 5 15
5
AO
7
13
4
RST 9
11
3
RFOK
2
FLAG
28
XTALEN 16
4
9
C16M
38
DIN 18
2
29
62 X1
DOUT
30
9 SDO
SCKIN
12 SDIO
31
SCKO
32 13 BCKIA
LRCKIN
33
LRCK
34 14 LRCKIA
IC4
S-RAM
46,47
DQ1-DQ3, 21-23
49-51 IO0-IO7
25-29
IO4-IO8
53-55
3,4
7,10
20-13
11,15
3,2,31
A0-A16 38-36
1,12,4
34-31
11,7,10
41,42
45,44
WR 5 43 WR
CS1 30 17 OE
CE
OE 32 16
+2.5V
(IC5)
Q913,914
CDM ON
SWITCH
D925
Q915
CD ON
SWITCH
Q912,D926
BATT
REG
13 13
MAIN
SECTION
A
CD MASTER CONTROL
38 PACK
34 TSTB
83 TSO
84 TSI
85 TSCK
35 STB
36
AO
37
CD_RST
28
RFOK
27 FLAG
33 XTALEN
IC5
DSP
DECXRST
1 2
/RESET
19 3 DECSTBY
STANDBY
DECINT
REQ 39 72
MIDIO(I2C_SDA) 5 8 SDA
IC12
1
4
MICK(I2C_SCL) 6 81 SCL
2
63 XTAL
X2
12.288MHz
65 EXTAL
AD0-AD16
40 SELF SW
SW2
(SELF)
9 INSW/PH2
SW3
IC6 (DISC IN)
+2.5V
10 LIMIT_SW
SW4
3 2 BU+3.3V
REG
(LIMIT)
18 LOAD
17 EJECT
71
CDMON
94 CDON
CDX-MP30
IC3
• R-ch is omitted due to
same as L-ch.
• Signal path
:CD
:CD-R/RW(MP3)
MAIN
SECTION
B
A-ATT
A-ATT 93
MAIN
SECTION
C
SYSRST
RSTX 59
BU CHK
BUCHK 92
BUSON
MAIN
BUSON 91
SECTION
BUS-CLK
UNI CK 78
D
BUS-SI
UNI_SI 77
BUS-SO
UNI_SO 76
LINK-OFF
LINKOFF 75