Main Board - Sony CDP-XB820 Service Manual

– MAIN Board –
IC301 CXD8735N
1
INVO
BCKI 2
DATA1 3
LRCKI
4
INIT 5
ATT
6
SHIFT
7
LATCH 8
SYSM 9
NU 10
NU 11
DVSS1 12
DVDD1 13
14
NU
CKCTL 15
MUTE 16
SYNC 17
VSUB 18
AVDDL1 19
L1(–) 20 Buffer(–)
L1(+) 21 Buffer(+)
AVSSL1 22
AVSSL2 23
L2(+) Buffer(+)
24
L2(–) 25 Buffer(–)
26
AVDDL2
XVDD 27
1024Fs-CLOCK
BUFFER
28
XVDD
IC302 LB1641
T.S.D
MOTOR
DRIVE
1 2 3 4
OVERFLOW DETECTER
FIR1 FIR2
IIR
FIR4
OVERFLOW DETECTER
FIR1 FIR2
IIR
FIR4
3rd order
NOISE L.I.P
SHAPER
DITHER
3rd order
NOISE L.I.P
SHAPER
PLM-L1
PML-L2
FWD/REV/STOP
CONTROL LOGIC
5 6 7 8
OR
FIR3
FIR3
ATT
X0.75
ATT
X0.75
PLM-R1
PLM-R2
IC930 M51957AL
O.C.P
MOTOR
DRIVE
1 2
9 10
– 41 –
56
INVI
TEST
55
54 128FsO
53 DINIT
52 OVFLAG
MUTEL
51
50 MUTER
49 NU
48 64FSI
47
MCKIN
46 DVSS1
45 DVDD1
44 DVDD2
43
256FSO
42 CKVdd
41
LVCKO
40 64FSO
39 DVSS2
38 AVDDR1
Buffer(–) 37 R1(–)
Buffer(+) 36 R1(+)
35 AVSSR2
34 AVSSR2
Buffer(+) R2(+)
33
R2(–)
Buffer(–) 32
31
AVDDR2
30 XVSS
29
XIN
–
+
3 4 5