Block Diagram -Cd Section - Sony CDX-4000RV Service Manual

3-2. BLOCK DIAGRAM — CD SECTION —
RF AMP, LD APC,
OPTICAL PICKUP ERROR AMP
KSS-720A IC1
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
22
10
FOCUS
COIL
COIL
11 DRIVE 21
TRACKING
8 25
TRACKING
COIL
COIL
9 DRIVE 24
M902 SLED
6 31
SLED MOTOR
7 32
MOTOR
DRIVE
M901
SPINDLE
12
SPINDLE MOTOR
18
13
MOTOR DRIVE
M903 LOADING
5 1
LOADING MOTOR
4 2
MOTOR DRIVE
MUTE 1 34
MUTE 2 35
04
DIGITAL SERVO,
DIGITAL SIGNAL PROCESSOR
IC501
RF RFO RFAC EFM D/A D/A
16
61
EQ DEM I/F CONV.
54
RFDC
DIGITAL
CLV
FE FE
14 50
TE TE
13 52
SUB
CODE
SE
PROCESS
51
LD ON
22
HOLD SW 21
AGC CONT 20
FFDR
42
FRDR
43
TFDR
40 SERVO
TRDR CTL
41
SFDR
38
SRDR
39
MDP
35
POWER
CONT
Q365
5V REG 6V REG
CD 5V
Q364 Q362
CD 6V
21
TUNER
LOUT1
A
92 CD L
SECTION (Page 22)
LOUT2
95
R-CH
CD SYSTEM CONTROL
IC5
LOCK
34 46 LOCK A MUT 19
OPEN 6
(KEY BOARD)
SQSO
SI2
6 49
SQCK
SCK2
7 48
SCOR
SCOR BUS CLK 51
24 64
BUS SI 52
MD2 73 71 MD2 BUS SO 53
XRST 11 CD RST BUS ON 61
21
DATA 13 CD DATA RESET 30
67
BU IN 60
XLAT 14 68 CD XLAT
SCLK 17 45 SCLK
CLOK 15 65 CD CKO
SENS 16 SENS
57
GFS 22 GFS
55
FOK 32 54 FOK
XTALI 86 X IN 31
X2 X1
16MHz 10MHz
XTALO 87 X OUT 32
SW4 SSTP
11
(LIMIT)
SW1
10 D SW
(DISC IN)
SW3 IN SW
64
(LOAD IN)
SW2
63 SELF SW
(SELF)
69 LM EJ
66 LM LOD
SLED –
40
DRIVE ON
70
20 LD ON
22 HOLD
AGC CONT
23
CD ON
18
POWER
CONT 17 CDM ON
Q363
11V REG
BATT
Q361
21
TUNER
B
ATT
SECTION
(Page 22)
SYSTEM CONTROL
IC501 (1/3)
58 ATT
12 DOOR SW
20 UNI CKI
UNI CKO
19
UNI SO
18
17 UNI SI
3 BUS ON
SYS RST
11
BU IN
77
90 RSTX
86 HSTX
IC652
1 RESET 3 BU 5V
SW503
(RESET)
BATT (H)
CHECK BATT
Q701
BATT (L)
CHECK BATT
Q702,703
• Signal path
:CD
CDX-4000RV