Read Sony CDX-M8800 / CDX-M8805X Service Manual online
21
21
CDX-M8800/M8805X
46
ASYO
RF AMP,DIGITAL SERVO,
DIGITAL SIGNAL PROCESSOR
IC3
41
RFACO
24
FEO
22
TEO
42 RFACI
23 FEI
21 TEI
13 FFDR
PD1
PD2
E
F
I-V AMP
PD
LD
DETECTOR
45 ASYI
27
26
29
28
19
20
E
C
D
A
B
F
36 LD
37
PD
(FOCUS)
(TRACKING)
2-AXIS DEVICE
OPTICAL
PICK-UP BLOCK
(KSS1000E)
• Siganal Path
: CD PLAY
LASER DIODE
M
M
M
13
12
VO1–
VO1+
6
7
VO4+
VO4–
8
9
VO3–
VO3+
5
4
VOL+
VOL–
FWD
REV
1
2
VIN2+ 22
14 FRDR
VIN2– 21
11 TFDR
VIN1+B 19
12 TRDR
VIN1–B 18
9 SFDR
VIN4+ 31
10 SRDR
VIN4– 32
6 MDP
VIN3+ 25
MUTE 34
11
10
VO2–
VO2+
M903
(LOADING)
M901
(SPINDLE)
M902
(SLED)
FOCUS/TRACKING COIL DRIVE,
SLED/SPINDLE/LOADING
MOTOR DRIVE
IC1
3
FOK
96
SQSO
97
SQCK
100
XRST
102
DATA
104
XLAT
105
CLOK
107
SENS
CD-L
MAIN
SECTION
A
81
AOUT1
86
AOUT2
CD-R
18 CD SQCK
15 CD XRST
15 CD XRST
14 CD DATA
13 CD XLAT
53 MEC_SELFSW
45 MEC_INSW
42 MEC_LIMIT
12 CD CLOK
11 CD SENS
108
SCLK
10 CD SCLK
113
GFS
8
CD GFS
114
C2POT
7
CD C2PO
115
SCOR
52 CD SCORT
81 X1
80 X0
MEC LOAD
43
MEC EJECT
44
CD
SYSTEM CONTROL
IC4
AUDIO INTERFACE
IC8
+1.5V REG
IC7
SYSTEM CONTROL
IC303 (1/3)
5V 3.3V LEVEL
CONVERTER
IC273
19 CD FOK
16 CD SQSO
DRON
41
SD1O
14
LRCK1B
19
LRCK1A
16
SD0O
11
BCK1B
18
BCK1A
15
CLCK
22
SRMSTB
41
RESET
2
STANDBY
3
BUCK
36
I2C SCL
7
I2C SDA
6
BUSO
28
SW2
(SELF)
46 MEC_DSW
SW1
(DOWN)
SW3
(DISC IN)
SW4
(LIMIT)
89
LMUTE
22 CD LMUT
90
RMUTE
23 CD RMUT
20
LINK OFF
57
UNISO
26
TXD
56
UNISI
58
UNICLK
50
BUS_ON
51
BU_IN
75
RSTX
61
EJECT OK
67
MECON CHK
69
EMPH
32
DEC SDA
31
DEC SCL
30
DEC INT
29
DEC STBY
28
DEC XRST
27
DEC SSTBY
37
DEC XMUTE
65
DECON
62
OPEN REQ
63
MECON
64
CDON
66
ZMUT
60
A_ATT
25
7
1
2
6
5
3
RXD
PD1
E
F
LD
PD
FCS+
FCS–
TRK+
TRK–
PD2
AUTOMATIC
POWER
CONTROL
Q1
+1.5V
CONTROL
Q2,3
+3.3V
CONTROL
Q5,6
77
78
X1
16.934MHz
X2
18.43MHz
XTAI
XTAO
66
BCK
60
BCKI
61
PCMDI
63
LRCK
62
LRCKI
65
PCMD
MAIN
SECTION
B
OPEN_REQ
78
EJECT OK
LINK_OFF
UNI_SO
UNI_SI
5V 3.3V LEVEL
CONVERTER
IC272
2
8
6
14
12
17
3
A_ATT
UNI_CLK
BUS_ON
BU_CHK
SYS_RST
77
CD_ON
VOUT
59
CDM_ON
71
Z_ATT
DR_6V
76
68
CDON CHK
1
5
VDD
3
CE
D_3.3V
+1.5V
+3.3V
BU_3.3V
8
3-2. BLOCK DIAGRAM — CD SECTION —
(Page 22)
(Page 22)
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