Sony CDX-4480ESP - Am/fm Compact Disc Changer, Руководство по обслуживанию

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4-3. BLOCK DIAGRAM — CD SECTION —
– 27 – – 28 –
CDX-4480ESP
59 RFDC
55 FE
57 TE
80 SSTP
89 PCMD
87 LRCK
85 WDCK
91 BCK
DIGITAL SERVO/
DIGITAL SIGNAL PROCESSOR
IC501
71 TFDR
72 TRDR
73 FFDR
74 FRDR
69 SFDR
70 SRDR
79 MDP
3 PD1
4 PD2
7 E
6 F
17 RFO
16 FE
14 TE
CD5V
RF AMP, LD-APC ERROR AMP
IC1
OPTICAL PICK-UP
KSS-520A
2 PD
PD
LD
LD DRIVE
Q3
1 LD 19 LD ON
2 TR+
1 TR-
14 F+
13 F-
23 OP+
24 OP-
10 OP+
TRACKING
FOCUS
11 OP-
9 MUTE
20 OP+
19 OP-
OP IN+
OP IN-
TRACKING/FOCUS COIL DRIVE,
SLED MOTOR DRIVE
IC7
SPINDLE MOTOR DRIVE
IC601
16 S+
17 S-
M902
(SLED)
9 DATI
10 LRCI
11 WDCI
7 BCKI
16
15
17
DRAM CONTROLLER
IC2
20
|
23
•
25
•
34
|
38
33 XOE
32 XCAS
27 XWE
26 XRAS
A0-A9
D1-D4
45 SDTI
84 C4M
33 DOUT
28 SCOR
27 XROF
3 C4M
2
7
1
2
3
4
5
6
1
2
3
4
5
6
8
9
10
11
12
13
14
7
8
9
10
11
12
13
14
DIN
59 SCOR
4 XROI
20 WFCK
8 SQCK
CLOK
9 SQSO
1 WFCK
42 XWRE
43 WRDE
44 XLT
10 SENS
11 SCLK
24 GFS
37 FOK
47 XSOE
48 SDTO
57 XQOK
58 GSCR
12 DATA
63
46 14
GRST
SCK
25 RFCK
21 GTOP
5 RFCK
6 GTOP
3 DI
2 BCKI
1 LRCKI
MOD2
9 DOUT CDINL
MOD2
MOD1
10 BCKO R-CH
DIGITAL FILTER
IC701
DRAM
IC4
11
15
MOD1
14
LRCO
6 RSTN
A0-A9
D1-D4
6 DI
5 BCKI
8
22
LRCKI
RSTN
DEEM
12 LO
14 RO
D/A CONVERTER
IC702
18
2
CKO
3
XTI
19 XTO
14 XTAI
LRCK
BCK
DATA
4 XRAS
3 XWE
23 XCAS
22 XOE
M
12 DROUT+
13 DROUT-
M901
(SPINDLE)
25
24
M
M903
(LOADING)
M
INVERTER
9 L+
7 L-
2 LMOT1
4 LMOT2
LOADING MOTOR DRIVE
IC6
X1
10MHz
SW4
(DOWN)
SW3
(LIMIT)
SW1
(DISC IN)
SW2
(SELF)
28
|
31
67 CD DATA
42 SCLK
54 FOK
55 GFS
16
43
44
CD SYSTEM CONTROL
IC5
57 SENS
65 SCK 2
66 SI 2
20 LD ON
62 IN SW
63 SELF SW
14 LM EJ
15 LM LOM
31 X IN
32 X OUT
17 CDMON
18 CD ON
9 DRV OE
10 D SW
45 GRSRST
ESPSDT
ESPXQOK
EMPH O
46
68
69
70 ESPXLT
ESPXRDE
ESPXWRE
GRSCOR
71
56 SCOR
ESPXSOE
19
59
61
52 BUS SI
BUS ON
AMUT
CD CKO
51
60
30 RESET
BU IN
BUS CLK
5
•
9
|
12
•
14
|
18
1
•
2
•
24
•
25
MD ON
SWITCH
Q910, 911
SWITCH
Q1, 5
BATT
TU+B
CD5V
MD5V
MD8V
BU5V
SWITCH
Q2, 4
MD5V
VC
BATT
8V REG
Q912
5V REG
Q913
5V REG
Q909
POWER
CONTROL
Q907, 908, 920
BATT
BUS SI
BUS ON
AMUT
RESET
BU IN
BUS CLK
53 BUS SO
21 CD RST
BUS SO
MAIN
SECTION
2
Signal path
: CD
MAIN
SECTION
1
XRST 64 15
XRST
04
X701
16.9344MHz
CD ON TU ON