26
26
04
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
RFO
RFAC
LRCK
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
77
PCMD
79
XTAI
86
BCK
81
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
16M
BCK
LRCK
DATA
46
IN SW
62
D SW
10
SELF SW
63
CD SYSTEM CONTROL
IC5
SYSTEM CONTROL
IC502 (1/3)
BUS CLK 51
A MUT 19
BUS SI 52
BUS SO
SRST
BUS CLK
BUS SI
BUS ON
BUS CHECK
UNI SO
LINK OFF
53
TO DISPLAY
SECTION
1
4
ATT
MDON
CDON
TO TUNER
SECTION
TO DISPLAY
SECTION
2
BUS ON 61
RESET 30
BU IN 60
S101
(RESET)
HSTX
RESET
1
2
IC503
BU 5V
BATT (H)
CHECK
Q604
BATT (L)
CHECK
BATT
86
RSTX
90
SIRCS 24
BU IN
77
SYS RST
6
BUS ON
14
UNI SO
18
UNI SI
17
UNI CKO
19
EMPH 16
MDON 17
CDON 18
EMPH
97
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 PICKUP
KSS-720A
• Signal path
:CD
31
32
Q601
Q602
Q605
5
TO DISPLAY
SECTION
BATT
BATT
CHECK
Q352
IR
RECEIVE
IC951
CDX-C8050X
3-2. BLOCK DIAGRAM — CD SECTION —
(Page
28)
(Page 27)
(Page 28)
(Page 28)