Sony CDX-C4750 - Fm/am Compact Disc Player, Руководство по обслуживанию

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43
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
46 SQSO
47 SQCK
49 SENS
51 DATA
52 XLAT
53 CLOK
SCOR
SERVO 5V
35 PD1
36 PD2
39 E
38 F
31 RFO
19 CLK
20 XLT
21 DATA
RF AMP, SERVO CONTROL
IC2
OPTICAL PICK-UP
KSS-520A
37 FE BIAS
SERVO 5V
PD
LD
RV1
FOCUS BIAS
RV4
FOCUS GAIN
LD DRIVE
Q2
1 FEO
2 FEI
16 SLO
22 XRST
23 C. OUT
24 SENS
25 FOK
6 FEO
13 TAO
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
115 CD EJ
114 CD LD
PH3
CD 5V
REG
Q909
MD 8V
REG
Q912
MD 8V
SWITCH
Q910, 911
CD POWER
SWITCH
Q907,908
120
117
116 L SW
118 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)
102
9
17 1
20
4
4-1. BLOCK DIAGRAM — CD SECTION —
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CDX-C4750/C6600
SECTION 4
DIAGRAMS