Schematic Diagram – Main Board (2/5) - Sony SCD-XB770 Service Manual

4-7. SCHEMATIC DIAGRAM – MAIN Board (2/5) – •
R545
C523
SPINDLE MOTOR
IC708(2/2)
NJM3404AM-TE2
MDIN 1
MDP
FL706
A5V
C729
10
10V
TP706
(SPIN) R701
220k
SPIN C731 0.1
8
7
4
IC708(1/2)
DRVC NJM3404AM-TE2
AVC
FL703
D5V
D3V
C780
C777
10
0.1
DGND 10V
A3V
C781
C776
10
0.1
AGND FL704 10V
C775
0.1
R765
22k
MDIN
R767 C772
ANALOG_BUS
47k 0.1
MDP
C774
RF_AC 4700p
(Page 18) SPIN R764
C773
1M
FJMP1 0.47
C771
FJMP2
0.047
SPDA
FE R762
R761
TE 2.2k
SP_ERR
GSCOR R759 0
WAVRB
EXCK R758 0
SBSO R757 0
R756
0
SCOR
WFCK
R766
0
R755 CL791
0 (C2PO)
C2PO
DSP_BUS
768FS
(Page 18) BCLK
GSCOR
EXCK
MDAT
SBSO
WFCK
C2PO
LRCK
BCLK
XRST_DVD
MDAT
R768
LRCK 100
R776
DOUT 0
SPC970_BUS R750
10k
DATA_RF
(Page 18)
CLK_RF R777
0
SDEN
D0
LDON
D1
MIRR
D2
LOCK
FOK
D3
COUT
D4
GFS
MUTE_CD
SENS
SCLK
DATA
XLAT
CLOK
MD2
SQSO
SCOR
SQCK
SA/CD
XRST_CD
SP_ON
VMOD
MUTE_2D
MUTE_LOAD
LOAD_IN
LOAD_OUT
IN_SW
OUT_SW
LIM_SW
(Page 21)
•
See page 30 for Waveforms. See page 33 for IC Block Diagram.
100k
1500p
R544
100k
(2/2)
DRIVE
R540
10k
(2/2)
2
R541
100k CENTER VOLTAGE
3
GENERATOR
R538 IC703(2/2)
100k NJM3404AM-TE2
TP705
(DVC) 2
1
3 R705 100k
C701
TP704
C521 10 R706 C799 C798 C709
(AGND)
1500p 10V 100k 0.01 0.1 0.1
C705 C704 C706 C707 C708 R712
0.1 1 0.1 33p 1000p 10k
R709 R710 C711
R702 68k 10k 0.01
100k C702
6
10
FL701
10V
5 R703 100k CL1008
R707 R711
R704 100 2.2k
220k (1/2)
C752
BUFFER
0.1
C779
C778
FL702 10
0.1
10V
JL786
JL785
CL796
CL795
CL794
CL793
R763 R769
8.2k 2.2k
CL792
C770
0.1
22k CL750
JL784
R770
0
JL783
JL782
JL781
CL781
CL780
C769 0.1
R778 100k
C768 0.1
C767 CL787
CL790
0.1 (BCK)
CL786
CL789
(MDATA)
CL785
CL788
(LRCK)
C766
100p
C765
0.1
C764
0.1
TP701
(JIT)
D903
R729
1SS367
0
TP703 TP702
(RFAC) (APDQ)
R725
D-RAM
1.8k
C715 R726
3300p 100k
IC706
R724
GM71VS18163CLT-6
1k R727
6
8 3.3k
R721 33k 5
7
R720 C703 C720 4 C721 R728
C728
1k 1 0.1 1 10k
0.1
CL701
R713 IC703(1/2)
10k NJM3404AM-TE2
FL705
C712 C716
C713 R718 (1/2)
220p 0.47
0.1 10k
INTEGRATOR
R780
C722 C723
CL703 0
R781 0.1 0.1
0
R714 CL918
10k (RFD)
C714
1
SACD DECODER
IC701
CXD1882R-1
CL779
JL774 JL773 JL772 JL771 JL770
R744 C762 0.1 C761 C760
C763
22 CL773 0.1 0.1
0.1 R745 CL776
47k
R746 47k
19 19
JL1080 JL1081
C727
C724 C725 C726
10
0.1 0.1 0.1
10V
R772
TP802
CL1017 22
GFS_V
JL726
JL929
MA7
JL731
MA6
JL734
MA5
JL735
MA4
JL736
MA3
JL737
MA2
JL738
MA1
JL740
MA0
JL741 R730 22
RAS
C740
0.1
JL742
WE
JL743 R731 22
BD7
JL744
BD6
JL745
BD5
C741
0.1
JL746
BD4
JL750
BD3
JL751
BD2
JL752
BD1
JL753 BD0
JL754 R732 10k
C742
0.1
JL755
JL756
JL757
R733
10k
JL758
JL759 R734 10k
C743
0.1
JL760
JL761 R735 10k
JL762 R736 10k
JL763 R737 10k
JL764 R738 10k
XSRQ
R740
10k
JL765
C744 R741
0.1 22
JL766
XSHD
JL767
XDCK
C745 R742
0.1 22
JL768
XSAK
R743
22
JL1088
JL769
JL777
CL771 CL770
SCD-XB770
A1
A2
A3
(Page 20)
A4
A5
A6
A7
A8