Sony CDX-CA850, Service Manual

Page: 23 / 62

23 23
CDX-CA850/CA850X/CA860X
A
I-V
CONV.
FOCUS
ERROR
DIGITAL
CLV
SUB
CODE
PROCESS
TRACKING
ERROR
LD
DRIVE
Q101
FOCUS
COIL
DRIVE
RF
EQ EFM
DEM
D/A
I/F
D/A
CONV.
RFO RFAC
FE
TE
SE
RFDC
FFDR
FRDR
TFDR
SFDR
SRDR
MDP
TRDR
TE
FE
E
D
B
C
F
11
10
PD
4
LD
3
7
6
8
13
14
16
LD
AMP
LD ON
HOLD SW
AGC CONT
22
21
20
5
RF AMP, LD APC,
ERROR AMP
IC1
DIGITAL SERVO,
DIGITAL SIGNAL PROCESSOR
IC501
TRACKING/FOCUS COIL DRIVE
SLED/SPINDLE/LOADING MOTOR DRIVE
IC7
10
11
22
21
TRACKING
COIL
DRIVE
8
9
25
24
SLED
MOTOR
DRIVE
6
7
31
32
FOCUS
COIL
TRACKING
COIL
M902
SLED
MOTOR
SPINDLE
MOTOR
DRIVE
12
13
18
M901
SPINDLE
MOTOR
LOADING
MOTOR
DRIVE
5
4
1
2
34
35
M903
LOADING
MOTOR
MUTE 1
MUTE 2
42
43
40
41
38
39
35
52
51
50
61
LOUT1
92
SQSO
6
SQCK
7
SCOR
MD2
24
73
XRST 11
DATA 13
XLAT 14
SCLK 17
CLOK 15
SENS 16
GFS 22
FOK 32
LOCK
34
54
SERVO
CTL
X1
10MHz
SW3
(LIMIT)
SW1
(DISC IN)
SW4
(DOWN)
SW2
(SELF)
LM EJ
69
LM LOD
66
SLED –
40
DRIVE OE
70
LD ON
20
HOLD
22
AGC CONT
23
SSTP
11
(KEY BOARD)
OPEN
6
FOK
XIN
XOUT
54
GFS
55
SENS 57
CD CKO 65
SCLK 45
CD XLAT 68
CD DATA 67
CD RST 21
MD2 71
SCOR 64
SCK2 48
SI2 49
LOCK
CD L
LOUT2
95
R-CH
46
IN SW
62
D SW
10
SELF SW
63
CD SYSTEM CONTROL
IC5
SYSTEM CONTROL
IC501 (1/3)
BUS CLK 51
A MUT 19
BUS SI 52
BUS SO
SRST
BUS CLK
BUS SI
BUS ON
UNI SO
LINK OFF
53
TUNER
SECTION
1
4
ATT
MDON
CDON
TUNER
SECTION
DISPLAY
SECTION
2
BUS ON 61
RESET 30
BU IN 60
S101
RESET
HSTX
RESET 1 2
IC502
BU 5V
BU DET
Q602
BATT (L)
CHECK
BATT
86
RESET
90
SIRCS 24
BU IN
77
SYS RST
22
BUS ON
14
UNI SO
18
UNI SI
17
UNI CKO
19
CDMON 17
CDON 18
ATT
5
BATT 10 3
RESET 13 2
BUS ON
CONT
12
9
8
11
1
4
6
BUS INTERFACE
IC601
CLK
DATA
5
4
6
2
1
3
8
7
CN601
BUS
CONTROL IN
Q603
A
C
B
D
E
F
PD
LD
OPTICAL PICK-UP
KSS-720A
• Signal path
:CD
31
32
5
DISPLAY
SECTION
SIRCS
BUFFER
IC903
3-2. BLOCK DIAGRAM — CD SECTION —
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