Read Sony CDP-XB820 Service Manual online
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– MAIN Board –
IC301
CXD8735N
IC302
LB1641
1
2
3
4
5
6
7
8
9
10
GND
MOTOR
DRIVE
NOISE
FILTER
CLAMP
FWD.IN
REV.IN
VCC 1
VCC 2
NOISE
FILTER
MOTOR
DRIVE
MOTOR
DRIVE
MOTOR
DRIVE
T.S.D
O.C.P
FWD/REV/STOP
CONTROL LOGIC
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
56
55
54
53
52
51
50
49
48
47
46
45
44
43
42
41
40
39
38
37
36
35
34
33
32
31
30
29
INVI
128FsO
TEST
DINIT
MUTEL
OVFLAG
MUTER
MCKIN
DVSS1
DVDD1
64FSI
NU
XIN
XVSS
AVDDR2
AVSSR2
AVDDR1
64FSO
DVSS2
LVCKO
CKVdd
256FSO
DVDD2
R1(–)
R1(+)
R2(+)
R2(–)
AVSSR2
INVO
BCKI
DATA1
LRCKI
INIT
ATT
SHIFT
LATCH
SYSM
NU
NU
NU
DVSS1
DVDD1
XVDD
AVDDL2
L2(–)
L2(+)
AVSSL2
AVSSL1
L1(+)
L1(–)
AVDDL1
SYNC
VSUB
CKCTL
MUTE
XVDD
S/P
AT
T
MODE
AT
T
REGISTER
D/F
TIMNG
CIRCUIT
“0” DETECT
MUTE
CIRCUIT
1024Fs-CLOCK
BUFFER
Buffer(–)
Buffer(+)
Buffer(+)
Buffer(–)
PLM-R2
PLM-R1
Buffer(–)
Buffer(+)
Buffer(+)
Buffer(–)
PLM-L1
PML-L2
CLOCK
GENERA
TOR
CLOCK
BUFFER
IIR
FIR1
OVERFLOW DETECTER
OR
FIR2
FIR4
FIR3
IIR
ATT
X0.75
FIR1
OVERFLOW DETECTER
FIR2
FIR4
L.I.P
3rd order
NOISE
SHAPER
FIR3
ATT
X0.75
L.I.P
DITHER
3rd order
NOISE
SHAPER
IC930
M51957AL
+
–
3
4
5
VDD
IN
GND
DL
OUT
1.25V
1 2
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