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CX-JT8
SECTION 6
DIAGRAMS
6-1.
BLOCK DIAGRAM – CD Section –
A
DETECTOR
A
D
D
C
B
C
B
E
E
F
F
LASER DIODE
AUTOMATIC
LD
POWER CONTROL
Q701
PD
LD
PD
OPTICAL PICK-UP
BLOCK
(KSM-213DCP)
S701
(LIMIT)
FOCUS/TRACKING COIL DRIVE,
SPINDLE/SLED MOTOR DRIVE
2-AXIS
DEVICE
18
VO3(+)
17 VO3(–)
11 VO2(+)
12 VO2(–)
26 VO4(+)
M701
M
(SLED)
27 VO4(–)
2 VO1(+)
M702
M
(SPINDLE)
1 VO1(–)
FIN2
8
EQ,
RF
RF AMP
4
3
AGC
FIN1
7
PH, BH
TIN1
9
A/D
TBAL
CONVERTER
TIN2
10
SERVO
PROCESSOR
LDD
80
APC
D/A
CONVERTER
LDS
79
70 LIMIT SW
20
21 23 22
25
IC722
TIN
20
FOIN
10
SLIN
25
SPIN
3
LDS
7
RF AMP, FOCUS/TRACKING ERROR AMP,
DIGITAL SIGNAL PROCESSOR, DIGIRAL SERVO PROCESSOR,
DIGITAL FILTER, D/A CONVERTER
IC721
LCHO
42
EFMIN
D/A
ERROR
CONVERTER
CORRECT
RCHO
45
R-CH
ASDFIN
57
ASDACK
EXTERNAL
56
AUDIO IN
ASLRCK
55
DATA
60
DATACK
SERIAL OUT
59
LRSY
58
EFLG
53
C2F
52
FSX/16MIN
50
MP3RES
26
16MOUT
54
XIN
49
CLOCK
GENERATOR
XOUT
48
X701
16.9344MHz
CD MUTE
72
DO
64
DI
63
COMMAND
CL
62
INTERFACE
CE
61
*WRQ
65
DRF
67
66
*RES
22
22
• R-ch is omitted due to same as L-ch.
• SIGNAL PATH
: CD PLAY
MP3 DECODER
IC802
IC801
MEMORY
2 ADDATA
3 ADBCK
4 ADLRCK
79 DATAIN
80 DATACK
1 LRSY
5 C2FIN
OEB
45
27 OE
9 CKOUT
WEB
42
13 WE
RASB
41
14 RAS
78 RESB
CASLB
43
29 LCAS
CASUB
44
28 UCAS
7 CKIN
73 CMDOUT
74 CMDIN
75 CL
76 66
6
10
99 I-LC78646/LC78684 DI
S-MUTE
O-SYS-MUTE
1
98 O-LC78646/LC78684 DO
O-POWER
O-POWER RELAY
94
100 O-LC78646/LC78684 CLK
HOLD
I-HOLD
29
5 O-LC78646 CE
85 I-WRQ
RESET
RESET
11
POWER DOWN
I-POWER DOWN
27
86 I-CD DRF
4 O-LC78646 RESET
LEVEL SHIFT
I-CD NUMBER SENS
96
Q731
I-BU IP DOWN/
+
22
CD OPEN CLOSE
SYSTEM CONTROLLER
IC901 (1/2)
CLOSE
LOADING MOTOR DRIVE
IC701
LM-F
4 OUT1
FIN
7
M751
M
LM-R
(LOADING)
2 OUT2
RIN
9
TABLE MOTOR DRIVE
IC712
TM-F
4 OUT1
FIN
7
M741
M
TM-R
(TABLE)
2 OUT2
RIN
9
CD-L
A
(Page 24)
MUTING
Q311
R-CH
MUTING CONTROL
SWITCH
Q312
S-MUTE,
O-POWER, HOLD
B
(Page 24)
RESET,
POWER DOWN
C
(Page 24)
TABLE ADDRESS
SENSOR
IC731
ROTARY
DISC TRAY
ENCODER
ADDRESS DETECT
S711
S751
OPEN/CLOSE
DETECT
OPEN
LM-F, LM-R,
TM-F, TM-R
D
(Page 23)
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