Block Diagram -Cd Section - Sony CDX-CA600 Service Manual

Q Q
3 7 6 3 1 5 1 5 0
3-2. BLOCK DIAGRAM — CD SECTION —
OPTICAL PICK-UP
KSS-720A
A
C
B
I-V
D
CONV.
E
F
PD
LD
DRIVE
LD
Q1
T E
L 1 3 9 4 2 2 9 6 5 1 3
FOCUS
COIL
TRACKING
COIL
M
M902
(SLED)
M
M901
(SPINDLE)
M
M903
(LOADING)
w w w
.
RF AMP,DIGITAL SERVO
DIGITAL SIGNAL PROCESSOR
IC1
B
84
D
85
RF EFM
A
EQ DEMOD
82
C
83
FORCUS
ERROR
E
87
TRACKING
F
ERROR
SERVO
86
CTL
APC
PD
97
A+5V
LD
98
62 63 64 65
FOCUS/TRACKING COIL DRIVE,
SLED/SPINDLE/LOADING MOTOR DRIVE
IC2
FCS-
FOCUS
15 FD
COIL 26
FCS+
16
DRIVE
TRK+
TRACKING TD
17
COIL 23
TRK-
18 DRIVE
SL-
SLED
13 SD
5
MOTOR
SL+
14
DRIVE
SP+
SPINDLE
11
MD
MOTOR
6
SP-
12 DRIVE
LOAD
LD-
LOADING
9
1
MOTOR
EJECT
LD+
10
DRIVE 2
CD+5V
A+5V REG
Q916,D927
AU+5V
D+5V
DR+6V
x a o
y
i
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(Page 16)
TUNER
SECTION
LOUT
A
16 CDL
D/A
ROUT
CONV 12 R-CH
PACK
52
TSTB
56
DSUB CODE
TSCK
PROCESS 55
TSI
54
SI
8
SO
7
SCK
6
I/F STB
5
AO
4
RST
3
RFOK
2
XTALEN
OSC 9
23 24
Q Q
3 7 6 3
X1
16.9344MHz
SW1
(DOWN)
SW2
(SELF)
SW3
(DISC IN)
SW4
(LIMIT)
CDMD ON
SWITCH
Q913,914
D925
CD ON
SWITCH
Q915
CD DRIVE+6V
REG BATT
Q912,D926
u 1 6 3
.
15 15
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9 9 8
SYSTEM CONTROL
IC801(1/3)
31 CD_PACK
51 TSTB
21 CD_TSO
22 CD TSI
23 CD TCKO
55
STB
54 AO
53 CD_RST
52
RFOK
56 XEN
1 5 1 5 0 8 9 2 4
59 D SW
30 CD_SELFSW
60 INSW/PH2
57 LIMIT
IC802
RESET 33 2 RESET 1
S801
(RESET)
62 CD_LM _LO
63 CD_LM_ EJ
68
CDMD ON
79 XCD ON
m
c o
CDX-CA600/CA600X
2
9 9
9 8 2 9 9
BU+5V
• Signal path
:CD
• R-ch is omitted due to
same as L-ch.