Read Sony CDX-S2020 Service Manual online
13
13
CDX-S2020
CDX-S2020
3-1. BLOCK DIAGRAM — CD SECTION —
82
83
84
85
20
16
D/A
CONV
TRACKING
ERROR
FORCUS
ERROR
1
OSC
EFM
DEMOD
SERVO
CTL
RF
EQ
EQ
13
12
11
10
9
8
6
44
45
49
48
33
34
35
41
40
39
38
I/F
87
86
2
1
LD
DRIVE
Q1
FOCUS
COIL
DRIVE
TRACKING
COIL
DRIVE
SLED
MOTOR
DRIVE
SPINDLE
MOTOR
DRIVE
LOADING
MOTOR
DRIVE
28
12
11
13
14
15
16
17
18
9
10
5
47
46
19
M902
(SLED)
M901
(SPINDLE)
M903
(LOADING)
SW4
(LIMIT)
SW2
(SELF)
SW1
(DOWN)
SW3
(DISC IN)
X1
16.9344MHz
OPTICAL PICK-UP
(KSS1000E)
I-V
CONV.
CDL
CDR
CDR
CD_STB
CD_A0
CD_SO
CD_SI
CD_SCK
CD_RST
30
43 CD_MUTE-L
29
42 CD_MUTE-R
CD_RFOK
CD_INSW
CD_LIMIT
CD_SELFSW
CD_DSW
CD_LM_LO
CD_LM_EJ
TUNER
SECTION
A
23
24
M
M
M
IC602
3.3V
LOUT
ROUT
SI
7
32 CD_INTQ
INTQ
RFOK
LMUTE
RMUTE
SO
SCK
STB
A0
RST
RESET
PD
LD
A
C
B
D
E
F
PD
LD
LD AMP
FOCUS
COIL
TRACKING
COIL
FD+
FD+
FD-
TD+
TD-
SD+
SD-
MD+
MD-
FSC+
FSC-
TRK+
TRK-
SL-
SL+
SP-
SP+
LD-
LD+
LOAD
EJECT
SYSTEM CONTROL
IC501 (1/3)
RF AMP,DIGITAL SERVO,
DIGITAL SIGNAL PROCESSOR
IC1
FOCUS/TRACKING COIL DRIVE,
SLED/SPINDLE/LOADING MOTOR DRIVE
IC2
6
FD-
2
TD+
3
TD-
27
SD+
26
SD-
24
MD+
23
MD-
Signal path
: CD
A3.3V
AU3.3V
D3.3V
DR6V
SERVO 3.3V
MECH6V
+
-
+
-
+
-
1
S702
RESET
RESET
3
52 53 54 55 56 57 58 59
(Page 14)
SECTION 3
DIAGRAMS
Click on the first or last page to see other CDX-S2020 service manuals if exist.