Block Diagram -Cd Section - Sony CDX-CA730X Service Manual

3-2. BLOCK DIAGRAM — CD SECTION —
OPTICAL PICK-UP
KSS-720A
A
A 84
C
C 85
B
B
82
D
I-V
D
83
CONV.
E
E
87
TRACKING
F
F 86
APC
PD
PD
97
LD
DRIVE
LD A+5V
Q1
LD
98
FOCUS/TRACKING COIL DRIVE,
SLED/SPINDLE/LOADING MOTOR DRIVE
IC2
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-
LOADING
M 9
M903
MOTOR
(LOADING) LD+
10
DRIVE
RF AMP,DIGITAL SERVO
DIGITAL SIGNAL PROCESSOR
IC1
D/A
RF EFM
CONV
EQ DEMOD
DSUB CODE
PROCESS
FORCUS
ERROR
I/F
ERROR
SERVO
CTL
OSC
62 63 64 65 23
X1
16.9344MHz
FD
26
TD
23
SD
5
MD
6
LOAD
1
EJECT
2
CD+5V
A+5V REG
Q350,D350
AU+5V
D+5V
CD DRIVE+6V
DR+6V
Q351,D351
15
(Page 16)
TUNER
SECTION
LOUT
A
SYSTEM CONTROL
16 CDL
ROUT
IC501(1/3)
12 R-CH
PACK
52 31 CD_PACK
TSTB
56 51 TSTB
TSCK
55
TSI
54
SI
8 21 CD_TSO
SO
7 22 CD TSI
SCK
6 23 CD TCKO
STB
5 55
STB
AO
4 54 AO
RST
3 53 CD_RST
RFOK
2 52
RFOK
XTALEN
9
24
59 D SW
SW5
(DOWN)
30 CD_SELFSW
SW2
(SELF)
60 INSW/PH2
SW1
(DISC IN)
57 LIMIT
SW3
(LIMIT)
62 CD_LM _LO
63 CD_LM_ EJ
CDMD ON
68
SWITCH CDMD ON
Q352
D352
CD ON
79 XCD ON
SWITCH
Q353
REG BATT
15
CDX-CA730X
IC551
RESET 33 1 RESET 2 BU+5.8V
S551
(RESET)
• Signal path
:CD
• R-ch is omitted due to
same as L-ch.