Read Sony CDX-805 Service Manual online
– 15 –
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CDX-805
SECTION 4
DIAGRAMS
4-1.
BLOCK DIAGRAM
OPTICAL PICK-UP BLOCK
(KSS-521A)
41 F
42 E
38 PD1
39 PD2
I-V AMP
36 LD
37 PD
PD
LD
LD DRIVE
Q11
13
FOCUS
12
DRIVER
CONTROL
9
10
VC
IC51
4CH.SERVO DRIVER
1
TRACKING
2
DRIVER
CONTROL
5
4
27
M102
(SLED)
26
DRIVER
CONTROL
23
24
M
16
M101
(SPINDLE)
17
DRIVER
CONTROL
20
19
M
IC11
RF SIGNAL PROCESSING
SERVO AMPLIFIER
SENS2
FOK
C.OUT
XRST
27
26
24
23
RF_O
LOCK
33
19
SL_O 16
TA_O
FE_O
13
6
FEO
1
FEI
2
FOCUS
GAIN
RV14
SENS1 25
DATA
XLT
CLK
21
22
20
23
44 RF
13 SEIN
29
15 DATO
16 XLTO
17 CLKO
14 100
IC101
DIGITAL SIGNAL
PROCESSOR
PCMO
BCKO
52
54
GTOP
RFCK
XROF
62
58
64
C4M
WFCK
70
74
SCOR 75
WDCK
27 MDP
49
FOK
CNIN
XRST
LOCK
LRCK
DOUT
50
71
6 XROI
7 RFCK
5 C4M
3 WFCK
61 SCOR
GRST
XWRE
1
44
XRDE
XLT
XSOE
46
45
49
SDTO
XQOK
50
59
OSCR 60
11 DATI
9 BCKI
8 GTOP
4 DIN
12 LRCI
1
6
7
13 WDCI
2 XRST
IC403
TIMING
IC401
DRAM CONTROLLER
SDTI
SCK
47
48
DOUT 20
DATA
CLOCK
10
12
XLAT
SQCK
SQSO
7
11
8
SENS
GFS
9
61
SBSO 76
XRAS
XWE
28
29
XCAS
XOE 35
34
25
ı
22
·
40
ı
36
·
27
31
·
30
·
33
·
32
9
ı
12
·
14
ı
18
·
5
1
·
2
·
24
·
25
4 XRAS
3 XWE
3 XWE
23 XCAS
22 XOE
22 XOE
D4
D1
A9
A0
D4
D1
A9
A0
IC402
DRAM
6
5
7
DATA 18
8 DATA OUT.L 18
IC601
D/A CONVERTER
IC602(1/2)
LINE AMP
2
3
1
OUT.R 17
IC602(2/2)
LINE AMP
RESET
ML
6
11
EMP 12
47 D/A.RESET
45 ML
44 EMP
45 ML
44 EMP
IC603
CLOCK OSC
XTAI 89
5
4
XTO
XTI
22 FOK
8 SENS2
54 C.OUT
21 XRST
21 XRST
42 XWRE
25 GRSRT
41 XRDE
29 ESPXLT
29 ESPXLT
27 SDTI
28 XSOE
26 SQOK
46 GRSCOR
46 GRSCOR
65 CD.CLK
67 CD.DATA
66 CD.XLT
51 SCLK
51 SCLK
23 SENS
52 SUBQ
24 GFS
63 SCOR
63 SCOR
31
32
X201
8MHz
XTAL
EXTAL
57 MGLK
SW201
MAGAZINE
EJECT END
EJECT END
DETECT
60 MAG.SW
SW202
MAGAZINE
IN/OUT
DETECT
9 LIM.SW
SW1
(LIMIT)
6 LOAD2
SW11
(LOAD IN)
7 LOAD1
SW12
(LOAD OUT)
IC52
MOTOR DRIVER
7
M103
(CHUCKING)
1
DRIVER
CONTROL
5
4
M
4 CH.F
5 CH.R
• SIGNAL PATH
: CD
: DIGITAL OUT
IC202
EEPROM
6
5
11 EE.CLK
12 EE.DATA
12 EE.DATA
BUSY
REQ
74
76
CCLK
CSI
CSO
78
77
79
4 REQ
56 BUSY
5 CCLK
6 CSI
7 CSO
6 CSI
7 CSO
77 WFCK
76 SCOR
9 SSI
8 SCLK
8 SCLK
11
ı
18
·
64
ı
69
·
74
10
ı
3
·
25
·
24
·
21
·
23
·
2
·
26
·
1
11
ı
13
·
15
ı
19
DATA7
DATA0
ADD14
ADD0
DO7
DO0
A14
A0
20
ı
27
WE 63
27 WE
CE 62
20 CE
29
30
X501
10MHz
XTAL
EXTAL
IC502
SRAM
RST
BUCK 78
IC501
CD TEXT DECODER
RESET 75
RST 30
SINGLE 20
EE.INIT 10
SWITCH
Q201
ELV.ON 69
CD.ON 68
MCK 38
RV201
EHS 39
RV202
LINER
POSITION
SENSOR
LINER POSITION
SENSOR
IC301
ELEVATOR MOTOR DRIVER
4
M104
(ELEVATOR)
5
CONTROL
DRIVER
1
7
M
BU CHK
77 EXCK
WFCK
SBSO
SCOR
IC503
CLOCK OSC
WFCK
SCOR
SBSO
SCOR
IC201
SYSTEM CONTROLLER
BCK
LRCK
17
19
7 BCK
9 LRCK
CN901
8
1
3
7
(SONY BUS)
AUDIO OUT
R
L
A.MUTE 43
MUTE DRIVE
Q601, 602
MUTE
Q603
MUTE
Q604
ELV.F 58
ELV.R 70
A/D.SW 56
SW801
ANALOG
DIGITAL
SCK
SI
48
49
SO 50
11 SCK
10 SI
10 SI
9 SO
BUS.ON
W.UP
55
62
EJECT 64
1 BUS ON OUT
8 RESET
MICON
+5V
+5V
CLK
DATA
BUS ON IN
LOF 12
RST
4
6
5
4
6
2
IC304
RESET
IC305
+5V REG.
SERVO
+5V
IC307
+5V REG.
IC601
+5V
IC306
+8V REG.
IC602
+8V
IC302
+5V
MICON
+5V
BACK-UP
SWITCH
Q301, Q302
61
B+ SW
Q305
REG.
Q303
CD ON SWITCH
Q304
2
7
4
1
2
IC303
+9V REG.
MOTOR DRIVE
+9V
SW301
(EJECT)
IC302
SONY BUS INTERFACE
4
IC801
OPTICAL
DIGITAL
OUT
CDX-805
VC
VC
51
IV
IV
IV
IV
XTAI 16
X601
16MHz
H.TEMP
AVREF 37
40
TH201
28
IC604
INVERTER
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