Sony SCD-XB770 Service Manual ▷ View online
SCD-XB770
37
37
5-12. SCHEMATIC DIAGRAM – MAIN Board (2/5) –
•
See page 48 for Waveforms.
•
See page 51 for IC Block Diagram.
R729
R732
R734
R
7
1
7
JL1081
C726
C
7
3
0
R730
R731
C740
C742
R733
C743
R738
R737
R736
R735
R740
C744
R741
C745
R743
R742
JL777
CL770
JL768
JL767
JL766
JL765
JL764
JL763
JL762
JL761
JL760
JL759
JL758
JL757
JL756
JL755
JL754
JL753
JL752
JL751
JL750
C741
JL746
JL745
JL744
JL743
JL742
JL741
JL740
JL738
JL737
JL736
JL735
JL734
JL731
JL929
JL726
R772
CL1017
J
L
10
7
5
C725
C724
JL1080
D903
R727
R726
C728
FL705
R728
C721
IC703(1/2)
CL701
C720
C703
R724
R720
R721
C722
IC706
C723
C
7
1
8
C
L
7
1
0
C727
C
L
7
1
1
C
L
7
2
8
C
L
7
2
7
JL
7
2
4
JL
7
2
3
JL
7
2
2
J
L
7
2
1
JL
7
2
0
J
L
7
1
8
JL
7
1
9
C760
CL773
R745
R746
C763
R744
JL
7
1
7
JL
7
1
5
JL
7
1
6
C
L
7
0
7
C
7
4
7
C715
C713
R713
C712
R714
CL703
R712
C711
C764
R711
C752
R707
R710
C709
R709
R
7
0
8
C708
C707
C798
C799
C706
R706
C704
C701
R538
R540
C702
FL701
JL786
JL785
CL796
CL795
CL794
CL793
CL792
CL750
JL784
JL783
JL782
JL781
CL781
CL780
CL788
CL789
CL790
CL787
CL786
CL785
C765
R776
C766
C767
C768
R778
C769
CL791
R755
R766
R756
C771
C773
R763
R769
C770
R762
R764
C772
R765
C778
C779
FL702
C777
C781
C776
C775
FL704
FL703
R704
R702
R545
C523
FL706
C729
C521
C731
R701
IC708(1/2)
C780
R767
C774
R768
R750
CL771
C
L
7
7
5
C
L
7
7
2
C
L
7
7
4
C716
R
7
1
9
R
7
1
6
R781
R718
R780
C
7
1
7
R770
R759
R758
R757
R761
TP706
TP705
TP704
TP702
TP703
R725
TP701
C714
R703
C705
CL1008
R705
IC703(2/2)
R541
R544
IC708(2/2)
TP802
JL1
0
76
JL
1
0
7
7
J
L1
0
78
JL
10
7
9
CL918
C
L
7
7
8
CL779
J
L
7
7
6
C
L
7
7
7
CL776
C762
C761
JL774
JL773
JL772
JL771
JL769
JL770
R777
JL1088
IC701
0
10k
10k
1
0
0
k
0.1
0
.1
22
22
0.1
0.1
10k
0.1
10k
10k
10k
10k
10k
0.1
22
0.1
22
22
0.1
22
0.1
0.1
1SS367
3.3k
100k
0.1
10k
1
NJM3404AM-TE2
0.1
1
1k
1k
33k
0.1
GM71VS18163CLT-6
0.1
0
.1
10
10V
0.1
47k
47k
0.1
22
1
3300p
0.1
10k
220p
10k
10k
0.01
0.1
2.2k
0.1
100
10k
0.1
68k
1
M
1000p
33p
0.1
0.01
0.1
100k
1
10
10V
100k
10k
10
10V
(BCK)
(MDATA)
(LRCK)
0.1
0
100p
0.1
0.1
100k
0.1
(C2PO)
0
0
0
0.047
0.47
8.2k
2.2k
0.1
22k
1M
0.1
22k
0.1
10
10V
0.1
10
10V
0.1
0.1
220k
100k
100k
1500p
10
10V
1500p
0.1
220k
NJM3404AM-TE2
10
10V
47k
4700p
100
10k
0.47
1
k
1
0
0
0
10k
0
0
.0
1
0
0
0
0
2.2k
(SPIN)
(DVC)
(AGND)
(APDQ)
(RFAC)
1.8k
(JIT)
1
100k
0.1
100k
NJM3404AM-TE2
100k
100k
NJM3404AM-TE2
(RFD)
0.1
0.1
0
CXD1882R-1
A1
A2
A3
A4
A5
A6
A7
A8
1
B
2
B
3
B
4
B
DSP_BUS
SPC970_BUS
ANALOG_BUS
BD0
BD1
BD2
BD3
BD4
BD5
BD6
BD7
WE
RAS
MA0
MA1
MA2
MA3
MA8
XMOE
BD8
BD9
BDA
BDB
BDC
BDD
BDE
BDF
LRCK
BD0
BD1
BD2
BD3
BD4
BD5
BD6
BD7
BD8
BD9
BDA
BDB
BDC
BDD
BDE
BDF
MA0
MA1
MA2
MA3
MA4
MA5
MA6
MA7
MA8
WE
XMOE
RAS
SD1
SD2
SD0
SD3
SD4
SD5
SDEF
SD7
MA4
MA5
MA6
MA7
D4
D3
D2
D1
D0
XRST_DVD
RF_AC
JIT
SPIN
SCOR
GSCOR
EXCK
SBSO
APDO
WFCK
C2PO
GFS_V
D3V
D5V
A3V
DGND
AGND
A5V
BCLK
MDAT
D3V
XCAS
XCAS
DRVC
MA9
MA9
SD6
MDP
MDIN
MDIN
AVC
D5
D6
D7
A0
A1
A2
A3
A4
A5
A6
A7
XHRD
XHWR
XCS1882
XINIT0
XINIT1
XSRQ
XSHD
XDCK
XSAK
SPIN
RF_AC
GSCOR
EXCK
SBSO
WFCK
C2PO
BCLK
MDAT
LRCK
DOUT
DATA_RF
CLK_RF
SDEN
MIRR
LOCK
FOK
GFS
MUTE_CD
SENS
SCLK
DATA
XLAT
CLOK
SQSO
SCOR
SQCK
SP_ON
FJMP1
FJMP2
MD2
MUTE_2D
MUTE_LOAD
LOAD_IN
SA/CD
IN_SW
OUT_SW
768FS
SPDA
FE
TE
XRST_CD
COUT
MDP
LOAD_OUT
LDON
VMOD
VD
D
I/O0
I/O1
I/O2
I/O
3
VDD
I/O
4
I/O5
I/O6
I/O7
N
.C.
N
.C.
N.C.
W
E
RAS
N.C.
N
.C.
A0
A
1
A
2
A
3
V
DD
GN
D
I/O15
I/O14
I/O13
I/O12
GND
I/O11
I/O
10
I/O9
I/O
8
N
.C
.
N
.C.
LCAS
U
CAS
OE
A9
A8
A7
A6
A5
A4
GN
D
SP_ERR
WAVRB
LIM_SW
SACD DECODER
1
2
3
1
2
3
7
4
8
5
6
7
4
8
5
6
(2/2)
SPINDLE MOTOR
DRIVE
(1/2)
BUFFER
(1/2)
D-RAM
(2/2)
CENTER VOLTAGE
GENERATOR
INTEGRATOR
(Page 36)
(Page 36)
(Page 36)
(Page 39)
(Page 38)
SCD-XB770
39
39
5-14. SCHEMATIC DIAGRAM – MAIN Board (4/5) –
•
See page 48 for Waveforms.
•
See page 51 for IC Block Diagram.
CL765
CL995
R910
R940
R941
R917
R916
FL908
C936
R804
R807
C938
R806
C937
R805
R975
JL950
JL951
JL952
JL953
R939
R1024
R1028
R981
C939
C905
R980
R1021
R925
CL944
CL943
CL942
CL941
CL940
R920
R919
R998
CL939
CL937
CL936
CL935
CL934
CL933
CL932
C904
C903
R915
R824
R992
R991
CL923
CL924
CL926
CL927
C916
R946
CL921
CL920
CL919
CL917
CL916
CL915
CL914
CL913
CL979
CL952
R1020
CL951
R971
R926
R928
R929
R930
C945
C946
C910
CL953
R945
R944
CL954
CL955
CL956
CL957
CL958
CL959
CL960
CL961
CL962
R876
R973
R943
R942
R875
R970
C924
CL912
CL911
CL910
CL909
CL908
CL907
CL906
CL905
CL904
CL903
CL902
CL901
C906
FL901
C901
C902
R931
R932
CL977
CL976
CL975
CL971
R958
R949
R948
R954
R947
CL970
CL969
CL967
CL968
CL978
JL907
JL906
JL905
JL904
JL903
JL902
JL901
CL966
CL965
CL999
CL964
R960
CL989
JL1072
R961
CL988
C923
JL1073
JL1074
R820
C921
R964
C920
C792
C794
C793
C791
FL752
CL991
CL761
CL763
FL754
FL753
CL997
CL767
CL762
CL992
CL996
CL766
FL750
C790
CN707
R1022
R1029
TP901
IC905
C908
FB710
FB706
FB708
FB707
FB701
R912
R906
R951
R907
R914
R905
R904
R903
R902
R901
R978
R913
IC903
FB704
FL751
FB703
FB705
FB709
CL764
CL994
CL993
CL990
CL760
CL928
CL929
CL930
CL938
R959
R962
CL945
CL946
CL947
CL948
CL949
CL950
CL980
X901
C909
CL931
C746
R921
CN709
C948
C949
C952
C953
IC901
0
100
100
1k
1k
1000p
10k
10k
1000p
10k
1000p
10k
10k
100
0
22
10k
1000p
0.01
10k
10k
100
100
22
0
0.01
10
10V
100
0
0
0
0.01
10k
10k
100
100
100
100
100
0.1
0.1
0.01
10k
10k
0
0
100
100
5.6k
0
0.01
0.01
10
10V
0.01
100
100
0
15k
15k
10k
0
10k
1k
1
7.5k
0.01
3.3k
0.01
100
6.3V
220
4V
220
4V
100
6.3V
47
16V
12P
8.2k
8.2k
M51957BFP-600C
10000p
10k
22
1k
22
22
22
22
22
22
22
10k
10k
BR24C02F-E2
10k
10k
20MHz
100p
0.22
100
5P
0.1
0.1
0.1
0.1
CXP973F064-203R
1B
2B
3B
4B
3D
4D
5D
6D
7D
8D
9D
10D
11D
AGND
DGND
MGND
A5V
A3V
D5V
D3V
DRVC
M12V
AVC
A0
A1
A2
A3
A
4
A5
A6
A7
D0
D1
D2
D3
D4
D5
D6
D7
X
M
SLA
T
C
L
K_R
F
D
ATA_
R
F
IN
_S
W
OU
T_S
W
CO
U
T
S
Q
S
O
SCO
R
SQ
C
K
SCK1
TXD
TXD
R
XD
M
S
CK
M
SD
ATI
M
SD
ATO
XCS_IO
MD2
DA
TA
XLAT
S
H
R
M
UT
S
H
R
R
D
Y
GFS_V
JIT
IN
IT
LA
TCH
S
HIFT
D
A
TA
M
O
D
E
AM
U
TE
LOCK
FOK
SCLK
GFS
FE
XCS1882
TE
XINIT0
XINIT1
X
H
RD
X
H
W
R
SENS
SOUT1
M
IR
R
T_SENS
CLO
K
A1
IN
IFREQ
LED_DRV
KEY0
KEY1
KEY2
KEY3
R
M
_C
AP
D
O
SP_ERR
LD
O
N
S
PD
A
AVC
DRVC
D5V
D3V
DGND
A3V
A5V
AGND
RXD
XDIS_IO
FJMP1
FJMP2
DGND
5V-D
RXD
TXD
10V-PWE
NC
NC
IN
GND
C
OUT
VCC
NC
(CHASSIS)
RESET SIGNAL
GENERATOR
CPU
EEPROM
(FOR RS-232C)
NC
NC
M+12V
M-GND
A-GND
D-GND
D+3.3V
A+3.3V
A-GND
D-GND
D+5V
A+5V
(Page 37)
(Page 36)
(Page 47)
(Page 36)
(Page 40)
SCD-XB770
40
40
5-15. SCHEMATIC DIAGRAM – MAIN Board (5/5) –
•
See page 48 for Waveforms.
C
L
1
0
1
1
C
L
1
0
1
3
C
L
1
0
1
4
C943
CL1003
CL1002
CN706
CL1001
CL1000
CL998
CL981
CL982
CL983
CL984
CL985
CL986
CL987
R871
R894
R893
R892
R891
Q702
R
8
78
R
8
7
7
R
8
81
FL905
Q701
R934
C934
JL1051
JL1054
JL1053
C935
R922
JL1055
JL1056
JL1057
R937
JL1059
JL1060
R1000
R950
R979
CL822
CL820
CL821
CL823
CL824
CL810
CL811
CL812
CL814
CL813
C
L
8
0
9
CL807
C917
C
L
8
0
6
CL815
CL816
C
L
8
3
1
C
L
8
3
2
C
L
8
3
6
C
L
8
3
7
C
L
8
3
8
R
9
0
8
R
9
0
0
C
9
1
5
R924
C
L
1
0
2
0
J
L
1
0
6
1
C
L
1
0
1
6
R1011
C940
C933
C
L
1
0
1
5
C
L
1
0
2
7
C
L
1
0
2
8
C
L
1
0
0
9
C
L
1
0
0
7
C
L
1
0
0
6
C
L
1
0
1
2
J
L
1
0
6
2
C
L
1
0
1
9
JL
1
0
6
8
JL
1
0
6
6
J
L
1
0
6
5
JL
1
0
6
3
R1010
R
1
0
0
9
R
1
0
0
8
R
1
0
0
7
R
1
0
0
6
R1005
R
9
5
2
R
9
5
3
R
9
6
9
R
9
7
6
C
L
8
3
9
C
L
8
4
0
C
L
8
4
2
C
L
8
4
1
C
L
8
4
3
CL845
R890
CL855
R994
R993
CL856
CL857
CL858
CL859
R997
R996
C
L
8
0
8
CL804
C
L
8
0
3
C
L
8
0
1
J
L
1
0
8
6
C
L
8
0
2
J
L
1
0
8
7
R1019
C912
FL904
C911
C918
J
L
1
0
8
5
JL
1
0
8
4
CL851
C922
C929
FL909
C
L
1
0
0
5
C
L
1
0
0
4
CL1022
CL1024
CL1025
CL1026
C947
C944
JL1070
JL1069
C930
R927
R935
FL910
IC802
FB753
FB761
FB754
FB755
FB756
FB751
FB759
FB758
FB757
FB760
FB752
C963
R872
FL907
IC803
R811
C
L
8
0
5
CL852
CL847
CL844
C907
R923
JL
1
0
5
0
J
L
1
0
6
7
J
L
1
0
6
4
R938
JL1058
R873
C962
R1012
JL1052
R1014
R1013
IC902
1
12P
2.2k
4.7k
4.7k
4.7k
4.7k
DTA143EKA-T146
10
k
1
0k
10
k
DTC144EKA-T146
10k
0.01
1
22
22
22
10k
10k
0.01
2
2
1
0
0
0
.0
1
2.2k
100
100p
1
22
2
2
2
2
2
2
2
2
22
3
.3
k
1
0
k
1
0
k
1
0
k
22
10k
10k
10k
10k
0
0.01
10
10V
0.01
1
10
10V
10
10V
1
1
22
47
SN74LVU04A
0.1
2.2k
CXD9647R
0
0.01
2.2k
22
100
0.01
100
100
47
CXD1095BR
1
C
2
C
3
C
4
C
5
C
6
C
7
C
3D
4D
5D
6D
7D
8D
9D
10D
11D
A1
A0
D3
D4
D5
D7
D1
D2
D0
SA/CD
XRST_CD
XRST_DVD
XHRD
XHWR
XCS_IO
XDIS_IO
SOUT1
SCK1
D6
A2
T_SENS
D_SENS
OUT_SW_CHG
S1
S2
TBLR
LOAD_IN
LOAD_OUT
VMOD
SDEN
ISBTEST
IFREQ
SP_ON
MUTE_LOAD
KEY0
KEY1
KEY2
KEY3
LED_DRV
RM_C
MULTI
MUTE_2D
MUTE_CD
E64FSO
E128FSO
DSRS
DSLS
DSLF
DSC
DSR
DSL
DSAL
DSAR
DSALS
DSARS
DSAC
DSASW
BCLK
LRCK
MDAT
MDATO
MDAT_SUBO
LRCKO
D3V
DGND
LIM_SW
TBLL
64FS
256FS
ZMCKI
128FS
XZLAT
XRST_DP
TBLR
D_SENS
S1
S2
LOAD_OUT
LOAD_IN
A1OUT
TBLL
XRST_DSD
SHRMUT
SHRRDY
MSDATO
MSDATI
MSCK
CDMODE
HDMODESEL
XZLAT
XRST_DP
HDMODESEL
CDMODE
XRST_DSD
OUT_SW_CHG
LED
KEY3
RM
KEY2
FLDATA
KEY1
FLCLK
KEY0
FLT
+3.3V
FLRST
GND
GND
GND
DSI6
VDD
DSI5
GND
DSI4
GND
DSI3
VDD
DSI2
GND
DSI1
GND
FS64
GND
G
ND
GN
D
G
N
D
XM
SLAT
M
SCK
M
SDATI
M
SDATO
XM
SDOE
VDD
GND
XRST
SMUTE
CDDATAI
LRCKI
BCKI
CDDATASL
CDDATAL
CDDATAR
VDD
GND
DVCKI
XABSL1
XABSL2
GND
VDD
BC
KAO
BCKASL
PH
REFO
GND
D
SASW
GN
D
D
SA
C
VDD
DSAR
S
GND
DS
ALS
GND
DS
AR
VD
D
DSA
L
GN
D
GND
VD
D
VDD
MCKI
Q701,702
LED DRIVE
DSD DIGITAL
SIGNAL PROCESSOR
I/O
EXPANDER
INVERTER
TESTI
TESTO
TESTI
TESTO
TESTO
TESTO
TESTO
TESTO
PHREFI
BCKAI
TESTO
TESTO
TESTI
TESTI
TESTI
TESTI
TESTO
TESTO
TESTI
LRCK
TESTI
M
SREADY
TESTO
TESTO
TESTO
TESTO
TESTO
TESTO
TESTO
TESTO
TESTI
TESTI
TESTO
TESTO
TESTI
TESTI
TESTI
TESTI
FS128
(Page 39)
(Page 38)
(Page
45)
Click on the first or last page to see other SCD-XB770 service manuals if exist.