43
41
44
14
RF
59
CLKO
57
XLTO
56
DATO
21
PCMD
20
LRCK
22
BCK
34
XTAI
50
XRST
DIGITAL SIGNAL
PROCESSOR
IC1
55
CNIN
54
SEIN
1
FOK
3
MDP
27
GFS
45
EXCK
46
SQSO
47
SQCK
49
SENS
51
DATA
52
XLAT
53
CLOK
SCOR
SBSO
WFCK
SERVO 5V
Q4, 6
Q3, 5
OPTICAL PICK-UP
KSS-521A
PD
LD
LD DRIVE
Q2
34
PD
33
LD
Q1
16
CH2+
15
CH2-
18
CH1+
17
CH1-
19
CH1 IN
22
CH2 IN
24
CH3 IN
TRACKING
FOCUS
2
CH4 IN
FOCUS/TRACKING COIL DRIVE,
MOTOR DRIVE
IC3
13
CH3+
14
CH3-
M902
(SLED)
M901
(SPINDLE)
M903
(LOADING)
12
CH4+
11
COM
6
FWD
7
REV
4
CTL1
5
CTL2
10
CH5+
6
DIN
5
BCKIN
LRCIN
CLKO
12
VOUTL
VOUTR
R-CH
XTI
19
XTO
D/A CONVERTER
IC702
X700
16.9344MHz
MC/DM1
22
RSTB
30
DEEMPH
6
GFS
17
SQ SI
19
SQ CKO
78
CD SENCE
SYSTEM CONTROL
IC801(1/2)
SERVO 5V
M
M
M
I-V
CONV.
4
DATA25
3
XLAT25
28
CLOK25
75
SCOR
5
XRST
2
FOK
23
C IN
1
LD ON
57
TXT ON
27
TXT CKO
25
77
DQSY
3
SCOR
5M
C
K
1
EXCK
2
SBSO
4
W
FCK
6
11
12
13
XMODE
SCLK
SRDT
DQSY
CD TEXT DECODER
IC703
11
5
CD EJ
11
4
CD LD
PH3
CD 5V
REG
Q909
MD 8V
REG
Q912
MD 8V
SWITCH
Q910, 911
CD POWER
SWITCH
Q907,908
120
117
11
6
L SW
11
8
D SW
CD ON
32
35
MD ON
SW2
(SELF)
CD+5V
MD 8V
MAIN
SECTION
1
Signal path
: CD
SW3
(LIMIT)
SW1
(DISC IN)
SW4
(DOWN)
04
BATT+B
BATT+B
COM 8V
SWITCH
Q913, 919
COM 8V
REG
Q904
COM+8V
COM8V ON
95
SELF SW/(IN SW)
IN SW/(PH1)
TXT SI
102
9
17
1
20
4
4-2. BLOCK DIAGRAM — CD SECTION —
– 23 –
– 24 –
CDX-C6750/C7500
www. xiaoyu163. com
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TEL 13942296513 QQ 376315150 892498299
TEL 13942296513 QQ 376315150 892498299
