Block Diagram -Cd Section - Sony CDX-CA400 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
DRIVE
LD
T E
L 1 3 9 4 2 2 9 6 5 1 3
FOCUS
COIL
TRACKING
COIL
M902
(SLED)
M901
(SPINDLE)
M903
(LOADING)
w w w
.
RF AMP,DIGITAL SERVO
DIGITAL SIGNAL PROCESSOR
IC1
B
84
D
85
RF
A
EQ
82
C
83
FORCUS
ERROR
E
87
TRACKING
F
ERROR
SERVO
86
CTL
PD APC
97
LD
A5V
Q1
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
17 TD
23
COIL
TRK-
18
DRIVE
SL-
M SLED
13 SD
5
MOTOR
SL+
14
DRIVE
SP+
SPINDLE
M 11
MD
MOTOR 6
SP-
12
DRIVE
LOAD
LD-
LOADING
M 9
1
MOTOR
EJECT
LD+
10
DRIVE 2
A_5V
AU_5V
D_5V
DR_6V
x a o
y
i
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(Page 16)
LOUT
16
D/A CDL
ROUT
EFM CONV 12 R-CH
DEMOD
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
B
OSC 9
X EN
(Page 16)
23 24
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X1
16.9344MHz
SW1
(DOWN)
SW2
(SELF)
SW3
(DISC IN)
SW4
(LIMIT)
CD MECHANISM
ON SWITCH
CD+5V
Q905,906
REG
D909
Q910,D910
CD ON
SWITCH
Q921
CD DRIVE
+6V REG
BATT
Q907,D908
u 1 6 3
.
15 15
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TUNER
SECTION
A
SYSTEM CONTROL
IC801(1/3)
56
X_SO
57 X_SI
58 X_SCK
63 STB
62
X A0
60 CD_RST
59
RFOK
TUNER
SECTION
1 5 1 5 0 8 9 2 4
2
D_SW
45 SELF_SW
3 IN_SW
64 L_SW
IC902
RESET 36 1
RESET
S901
(RESET)
4 LM _LD
5 LM_ EJ
50
CDM ON
51 XCD_ON
m
c o
CDX-CA400/CA530X/CA580X
2
9 9
9 8 2 9 9
2 U_COM+5V
• Signal path
:CD
• R-ch is omitted due to
same as L-ch.