21
21
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
LOUT1
FE
TE
SE
RFDC
FFDR
FRDR
TFDR
SFDR
SRDR
MDP
TRDR
TE
FE
E
D
B
C
A
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
92
LOUT2
95
SQSO
6
SQCK
7
SCOR
MD2
24
73
XRST 11
DATA 13
XLAT 14
SCLK 17
CLOK 15
SENS 16
GFS 22
FOK 32
XTALI 86
XTALO 87
LOCK
34
54
SERVO
CTL
X2
16MHz
SW4
(LIMIT)
SW1
(DISC IN)
SW3
(LOAD IN)
BATT
SW2
(SELF)
POWER
CONT
Q363
POWER
CONT
Q365
11V REG
Q361
6V REG
Q362
5V REG
Q364
CD 5V
CD 6V
LM EJ
69
LM LOD
66
SLED –
40
DRIVE ON
70
LD ON
20
HOLD
22
AGC CONT
23
CD ON
18
CDM ON
17
SSTP
11
FOK
54
GFS
55
SENS
57
CD CKO
65
SCLK
45
CD XLAT
68
CD DATA
67
CD RST
21
MD2
71
SCOR
64
SCK2
(KEY BOARD)
48
SI2
49
LOCK
CD L
R-CH
46
D SW
10
IN SW
64
SELF SW
63
CD SYSTEM CONTROL
IC5
SYSTEM CONTROL
IC501 (1/3)
BUS CLK 51
A MUT 19
OPEN 6
BUS SI 52
BUS SO 53
X IN 31
X OUT 32
X1
10MHz
TUNER
SECTION
A
ATT
TUNER
SECTION
B
BUS ON 61
RESET 30
BU IN 60
SW503
(RESET)
HSTX
RESET
1
3
IC652
BU 5V
BATT (H)
CHECK
Q701
BATT
86
RSTX
90
BU IN
77
SYS RST
11
BUS ON
3
UNI SI
17
UNI SO
18
UNI CKO
19
UNI CKI
20
DOOR SW
12
ATT
58
A
C
B
D
E
F
PD
LD
OPTICAL PICKUP
KSS-720A
BATT (L)
CHECK
Q702,703
BATT
• Signal path
:CD
CDX-3900R/4000R/4000RX
3-2. BLOCK DIAGRAM — CD SECTION —
(Page 22)
(Page 22)
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TEL 13942296513 QQ 376315150 892498299
TEL 13942296513 QQ 376315150 892498299
