Block Diagram -Cd Section - Sony CDX-M770 Service Manual

CDX-M770
4-3. BLOCK DIAGRAM — CD SECTION —
RF AMP, LD APC,
OPTICAL PICK-UP
KSS-720A
A
A
5
C
C 7
B
B
6
I-V
D
D 8
CONV.
FOCUS
ERROR
E
E 11
TRACKING
F
ERROR
F 10
PD
PD 4
LD
AMP
LD
LD
LD DRIVE 3
Q101
TRACKING/FOCUS COIL DRIVE
SLED/SPINDLE/LOADING MOTOR DRIVE
IC7
FOCUS
10
FOCUS
COIL
COIL
11 DRIVE
TRACKING
8
TRACKING
COIL
COIL
9 DRIVE
M902 SLED
6
SLED MOTOR
7
MOTOR DRIVE
M901
SPINDLE
12
SPINDLE
MOTOR
13
MOTOR
DRIVE
M903 LOADING
5
LOADING MOTOR
4
MOTOR DRIVE
MUTE 1
MUTE 2
DIGITAL SERVO,
ERROR AMP DIGITAL SIGNAL PROCESSOR
IC1 IC501
RF RFO RFAC EFM D/A
16 61
EQ DEM I/F
54
RFDC
DIGITAL
CLV
FE FE
14 50
TE TE
13 52
SE
51
LD ON
22
HOLD SW 21
AGC CONT 20
FFDR
22 42
FRDR
21 43
TFDR
25 40 SERVO
TRDR CTL
24 41
SFDR
31 38
SRDR
32 39
MDP
18 35
1
2
34
35
1
DISPLAY
CD SYSTEM CONTROL
(Page 38) IC5
SECTION
A MUT 19
16M
XTAI 86
OPEN 6
BCK
81 BCK
CLOSE 7
LRCK LRCK
77
BUS CLK 51
PCMD
BUS SI 52
79 DATA
CD ON
MD ON BUS ON 61
RESET 30
BU IN 60
CDM ON
17
18 CD ON
LOCK
LOCK
34 46
SQSO
SI2
6 49
SUB
SQCK
CODE 7 48 SCK2
SCOR
PROCESS
24 64 SCOR
MD2 MD2
73 71
XRST 11 CD RST
21
DATA 13 67 CD DATA
XLAT 14 68 CD XLAT
SCLK 17 45 SCLK
CLOK CD CKO
15 65
SENS 16 SENS
57
GFS 22 55 GFS
FOK 32 54 FOK
31
XIN
X1
10MHz
32
XOUT
SW4 SSTP
11
(LIMIT)
SW1 10 D SW
(DOWN)
SW3 IN SW
62
(DISC IN)
SW2
63 SELF SW
(SELF)
69 LM EJ
LM LOD
66
SLED –
40
70 DRIVE ON
20 LD ON
22 HOLD
AGC CONT
23
BUS SO 53
SRST
BUS CLK
2
BUS SI
BUS ON
DISPLAY BU CHECK
UNI SO
SECTION
LINK OFF
(Page 38)
SIRCS
36 36
4
TUNER
ATT
SECTION
SYSTEM CONTROL
(Page 37)
IC501 (1/3)
• Signal path
ATT
5
CD EJECTOR :CD
58
CD OPENREQ
59
UNI CKO
19
UNI SI
17
18 UNI SO
14 BUS ON
IR RECEIVE
6 SYS RST
IC801
BU IN
77
RAM BU
85
90 RSTX SIRCS 24 17 D3 G0 9
86 HSTX
S60
XIN XOUT
(RESET)
3 4
IC502
1 RESET 2 BU 5V
X801
4MHz
SW901
(RESET)
BATT (H)
CHECK BATT
Q603
BUS INTERFACE
IC601
BATT (L)
10 3 BATT
CHECK
13 RESET 2
Q602
BUS ON
12 1
CONT
8
9 6 3
DATA
6 5 2
8 4 1
7
CLK
11 4
CNP601
BUS
CONTROL IN