Sony CDX-MP80 Service Manual ▷ View online
37
37
CDX-MP80
IC B/D
FRONT
PANEL
FLEXIBLE
BOARD
PANEL
FLEXIBLE
BOARD
D900
R982
R912
R909
R910
D974
R981
R985
D906
D907
C905
R987
R986
R994
D902
D903
D904
R984
R993
R983
R992
R991
D972
R988
D910
R901
R921
R922
R924
C903
R933
CN901
R923
R930
R931
R932
R925
R927
R928
R926
R929
Q901
Q903
Q902
C909
R990
D901
R917
IC901
LED905
LED901
LED902
LED904
LED906
LED907
LED908
LED909
LED919
LED918
Q906
Q904
R904
R918
R920
R919
Q905
D908
ENC902(1/2)
ENC901(1/2)
C901
LSW901(2/2)
ENC901(2/2)
LSW902(1/2)
LSW907(1/2)
S903
S901
S902
LSW909(2/2)
ENC902(2/2)
S904
LSW905(1/2)
LSW904(1/2)
LSW903(1/2)
LSW901(1/2)
LSW902(2/2)
LSW904(2/2)
LSW903(2/2)
LSW907(2/2)
LSW905(2/2)
LSW909(1/2)
R960
R961
R962
C913
R951
R952
R953
C904
FB901
FB902
C911
C910
C906
C900
C907
C986
C982
R957
R958
R959
R963
R964
R965
C983
C991
C992
C993
C993
LCD901
C990
R936
R934
R940
R941
R935
R937
R907
R908
R905
R906
R938
R939
R915
R914
C912
R916
R913
R911
X910
LED900
IC902
IC903
C908
R903
R902
R902
LED913
LED911
LED912
(Page
35)
• Refer to page 25 for Waveform.
4-15. SCHEMATIC DIAGRAM — DISPLAY SECTION — • Refer to page 42 for IC Block Diagram.
Note:
• Voltage is dc with respect to ground under no-signal
(detuned) condition.
no mark : FM
no mark : FM
38
38
CDX-MP80
IC1 CXD3027R (SERVO Board)
4-16. IC BLOCK DIAGRAMS
ERROR
CORRECTOR
32K
RAM
EFM
DEMODULATOR
SUB CODE
PROCESSOR
SERVO
AUTO
SEQUENCER
D/A
INTERFACE
VIBRATION
MEMORY
CONTROLLER
+
COMPRESSION
EXPANDER
DAC
SELECTOR
DIGITAL
OUT
ASYMMETRY
CORRECTOR
DIGITAL
PLL
DIGITAL
CLV
CPU
INTERFACE
OP AMP
ANALOG SWITCH
SERVO BLOCK
SIGNAL
PROCESSOR
BLOCK
MEMORY CONTROLLER,
BUS BOOST BLOCK
A/D
CONVERTER
SERVO
INTERFACE
SERVO DSP
FOCUS SERVO
SLED SERVO
TRACKING
SERVO
CLOCK
GENERATOR
LPF
LPF
MIRR
DFCT
FOK
PWM GENERATOR
FOCUS PWM
GENERATOR
GENERATOR
SLED PWM
GENERATOR
TRACKING PWM
GENERATOR
90
89
88
87
86
85
84
83
82
81
80
79
78
77
76
75
74
73
72
71
70
69
68
67
66
65
64
63
62
61
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60
XOE
A0 – A11
SYSM
AMUTE
HPL
HPM
HPR
PCMDI
LRCKI
BCKI
AOUT1
AIN1
LOUT1
LOUT2
AIN2
AOUT2
A9
A8
A7
DVSS
RFAC
XTAO
XTAI
XTSL
VCTL
VPCO
WFCK
GFS
XUGF
MDS
C2PO
WDCK
BIAS
ASYI
ASYO
FILO
FILI
PCO
PWMI
LOCK
MDP
SDTI
SCSY
SCOR
SBSO
EXCK
SDTO
XLAT
CLOK
SENS
XSOE
R4M
IGEN
VDD0
COUT
MIRR
DFCT
FOK
PWMI
LOCK
TEST1
TEST2
TEST3
VDD1
C176
MDP
MDS
SSTP
SFDR
SRDR
TFDR
TRDR
FFDR
FRDR
FRDR
FFDR
TRDR
TFDR
SRDR
SFDR
SCLK
ATSK
SSTP
COUT
FOK
DFCT
MIRR
VSS1
TEST
TES1
AVDD0
IGEN
AVSS0
RFDC
CE
TE
120 119 118 117 116 115 114 113 112 111 110 109 108 107 106 105 104 103 102 101 100 99 98 97 96 95 94 93 92 91
XOE
XCAS
D2
D3
D0
D1
XWE
XRAS
A11
A10
DVDD
A0
A1
A2
A3
AVDD2
LOUT2
AIN2
AOUT2
AVSS2
AVSS1
AOUT1
AIN1
LOUT1
AVDD1
XVSS
XTAO
XTAI
XVDD
BCKI
XOE
XCAS
D2
D3
D0
D1
XWE
XRAS
A11
A10
DVDD
A0
A1
A2
A3
AVDD2
LOUT2
AIN2
AOUT2
AVSS2
AVSS1
AOUT1
AIN1
LOUT1
AVDD1
XVSS
XTAO
XTAI
XVDD
BCKI
VDD0
COUT
MIRR
DFCT
FOK
PWMI
LOCK
HPR
HPM
HPL
VDD1
MDP
MDS
SSTP
SFDR
SRDR
TFDR
TRDR
FFDR
FRDR
VSS1
A VDD
A GND
D VDD
AVDD0
IGEN
AVSS0
RFDC
E
F
RFDC
E
F
B
A
A
VC
CLTV
XPCK
A6
A5
A4
XWRE
XRDE
XEMP
XWIH
XQOK
AMUTE
SQSO
XQCK
SCSY
SCOR
VSS0
SBSO
EXCK
XRST
SYSM
SDTO
XLAT
CLOK
SENS
SCLK
XSOE
ATSK
R4M
A9
A8
A7
DVSS
A6
A5
A4
XWRE
XRDE
XEMP
XWIH
XQOK
AMUTE
SDTI
SCSY
SCOR
VSS0
D GND
SBSO
EXCK
SYSM
SDTO
XLAT
CLOK
SENS
SCLK
XSOE
ATSK
R4M
BCK
PCMDI
PCMD
LRCKI
LRCK
DOUT
VDD2
WFCK
C2PO
GFS
XPCK
XUGF
GRSCOR(WDCK)
VSS2
XTSL
AVDD3
ASYO
ASYI
BIAS
RFAC
AVSS3
CLTV
PCO
FILI
FILO
VCTL
VPCO
VC
FE
SE
BCK
PCMDI
PCMD
LRCKI
LRCK
DOUT
VDD2
WFCK
C2PO
GFS
XPCK
XUGF
WDCK
VSS2
XTSL
AVDD3
ASYO
ASYI
BIAS
RFAC
AVSS3
CLTV
PCO
FILI
FILO
VCTL
VPCO
VC
A
B
XCAS
D0 – D4
XWE
BCK
PCMD
LRCK
DOUT
XWRE
XRAS
XRDE
XQOK
XWIH
XEMP
IC9 TC75S57F (TE85R)
(SERVO Board)
(SERVO Board)
IC2 CXA2581N-T4 (SERVO Board)
IC7 RN5RZ20BA (SERVO Board)
IC12 RN5RZ25BA (SERVO Board)
IC12 RN5RZ25BA (SERVO Board)
IC3 NJM12902V-TE2
(SERVO Board)
(SERVO Board)
1
2
3
4
OUT
-IN
+IN
+V
+IN
-IN
OUT
OUT
-IN
+IN
GND
+IN
-IN
OUT
14
13
12
7
5
6
8
10
9
11
RW/ROM
RW/ROM
EQ ON/OFF
VOFST
VOFST
DVC
VC
VC
VC
RW/ROM
VC
DVC
30
29
28
+
–
+
–
DVC
VCC
DVC
27
26
25
24
RW/ROM
EQ
23
22
21
20
19
RFAC
VCA
VCC
+
–
DVC
+
–
+
–
RW/ROM
VC
RW/ROM
DVC
+
–
3
A
B
C
D
B
C
C
A
A
A
B
C
C
D
B
C D
D
+
–
1
2
APC AMP
5
6
7
8
9
4
RFAC
SUMMING
AMP
RW/ROM
APC-OFF
(Hi-Z)
RW/ROM
(H/L)
VOFST
VC
RW/ROM
+
–
10
11
GM
GM
18
17
16
B
D
A
C
13
14
15
12
EQ IN
LD
PD
GND
A
B
C
D
AC SUM
E
F
DVCC
DVC
RFAC
RWSW
DC OFST
RFDCI
RFDCO
VC
RFC
VFC
BST
RFG
VCC
CEI
CE
TE BAL
TE
FEI
FE
+
3
GND
2
OUT
4
VCC
5
-
1
1
2
3
4
5
+
–
VREF
CE
NC
VOUT
VDD
GND
CURRENT
LIMIT
39
CDX-MP80
IC8 BH6518FS (SERVO Board)
IC6 MSM51V17400D-10TK-FS (SERVO Board)
1
VCC
ON CHIP
VBB GENERATOR
2
DQ1
3
DQ2
4
WE
5
RAS
6
NC
8
A10
9
A0
10
A1
11
A2
12
A3
26 VSS
25 DO3
24 DO2
22 OE
23 CAS
21 A9
19 A8
18 A7
17 A6
16 A5
15 A4
13
VCC
ON CHIP
VBB GENERATOR
TIMING
GENERATOR
COLUMN
ADDRESS
BUFFERS
INTERNAL
ADDRESS
COUNTER
COUNTER
ROW
DECODERS
COLUMN
DECORDERS
SENS
AMPLIFIERS
MEMORY
CELLS
WRITE
CLOCK
CLOCK
GENERATOR
I/O
SELECTOR
REFRESH
CONTROL
CLOCK
WORD
DRIVERS
TIMING
GENERATOR
INPUT
BUFFER
OUTPUT
BUFFER
14 VSS
INTERFACE
CHARGEPUMP
&
OSC
PREDRIVE
TSD
PREDRIVE
PREDRIVE
PREDRIVE
INTERFACE
INTERFACE
INTERFACE
32
31
30
29
27
26
24
25
23
22
21
18
17
19
20
28
1
2
3
4
6
7
9
8
10
11
12
15
16
14
13
5
VG
GND
VG
IN4R
IN4F
VM4
OUT4R
VM34
OUT3F
VM3
IN3F
IN3R
PSB
OUT3R
PGND3
OUT4F
PGND4
CAPA-
CAPA+
FRDR
FFDR
VM2
OUT2R
VM12
OUT1F
VM1
TFDR
TRDR
VDD
PSB
VDD
OUT1R
PGND1
OUT2F
PGND2
40
CDX-MP80
IC5 CXD9684R-004 (SERVO Board)
1
63
62
64
60
59
58
57
56
55
61
2
3
4
5
6
7
8
9
AUDIO I/F
10
11
12
13
14
15
16
MICROCOM I/F
47
48
46
45
44
43
42
41
40
39
38
36
37
35
34
33
A2
X-POINTER
REGISTER
Y-POINTER
REGISTER
PROGRAM
CONTROL
INSTRUCTION
DECODER
ADDRESS CALC.
2SETS
C-POINTER
REGISTER
ROUND & LIMIT
A3
DAC
DAC
ALU
AX
AY
A0
ROUND & LIMIT
A1
MAC
MX
MY
MZ
ERAM
2k WORD
REGISTER
X0•X1•X2
Y0•Y1•Y2
CROM
AKWORD
PROM
4kx2+2k
=10kWORD
YRAM
4k WORD
XRAM
4k WORD
BUS
SWITCH
VCO
TIMING
GENERATOR
GENERAL
INPUT PORT
I/FSRAM
DIT
PROG.
START
54
53
52
51
50
49
INTERRUPT
CONTROL
TIMER
FLAG
GENERAL
OUTPUT PORT
32
31
30
29
28
27
26
25
24
23
22
21
20
19
18
17
OE
VSS(2.5GND)
VSSL(2.5GND)
VRAL
LO
VDAR(2.5V)
VDAL(2.5V)
VRAR
CKS
AD10
AD9
VDDT(3.3V)
AD8
AD7
AD6
PO7
VSS
AD13
AD14
WR
AD16
AD15
IO0
PRAM
256WORD
256WORD
40bit
IO1
VSS
VSSX
X0
X1
VDDX(2.5V)
CKI,ACKO
VDDP
VCOI
PDO
VSSP
IO7
IO6
IO5
VDD(2.5V)
IO4
IO3
IO2
/RESET
MIMD
AD0
AD1
MIDIO
(I2C SDA)
MICK
(I2C SCL)
AD2
SDD
AD3
AD4
SDIO
BCKIA
LRCKIA
AD5
CE
VDDT(3.3V)
I-BUS
AD12
AD11
VSSR(2.5GND)
TESTP
RO
VDD(2.5V)
STANBY
X-BUS
Y-BUS
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