Sony CDP-XB820 Service Manual ▷ View online
– 39 –
• IC Block Diagrams
– BD BOARD –
– BD BOARD –
IC101
CDX2585Q
3
80
76
74
75
73
72
68
64 63
62 61
58
59
60
67 66 65
69
71 70
1
78
79
77
2
5
4
6
7
8
9
9
10
11
12
13
14
15
16
16
17
18
19
20
21 22
25 26 27 28 29 30 11 11
31 32
33 34
35 36 37
38 39 40
46
50
53
55
52
57
56
51
54
49
48
47
44
41
42
43
24
23
Clock
Generator
D/A
Interface
Error
Corrector
32K
RAM
Sub Code
Processor
EFM
demodurator
Digital
OUT
Digital
PLL
Asymmetry
Corrector
Servo
Auto
Sequencer
Digital
CLV
MIRR
DFCT
FOK
SERVO
Interface
CPU
Interface
OPAmp
Analog SW
A/D
Converter
PWM GENERATOR
FOCUS SERVO
SERVO DSP
SLED SERVO
TRACKING
SERVO
TRACKING PWM
GENERATOR
SLED PWM
GENERATOR
FORCUS PWM
GENERATOR
45
SIGNAL PROCESSOR BLOCK
SERVO BLOCK
MUTE
XRST
DVDD0
DATA
XLAT
CLOCK
SENS
SCLK
ATSK
WFCK
XUGF
XPCK
GFS
SCOR
WDCK
C4M
DVSS0
COUT
MIRR
V2PO
DFCT
FOK
PWMI
LOCK
MDP
SSTP
FETO
DVDD1
SFDR
SRDR
TFDR
TRDR
FFDR
FRDR
DVSS1
TEST
TES1
VC
FE
SE
IGEN
AVSSO
ADIO
RFDC
CE
TE
TE
RFAC
ASYI
ASYO
AVDD0
AVDD0
AVDD1
AVSS1
BIAS
VCTL
V16M
VPCO
PCO
FILI
FILO
CLTV
EXCK
SBSO
SCSY
SQCK
SQSO
XOLT
SOCK
SOUT
XTAO
XTAI
DVSS2
XTSL
EMPH
BCK
PCMD
LRCK
DOUT
MD2
ASYE
DVDD2
– 40 –
IC103
CXA2568M-T6
APC PD AMP
APC LD AMP
RF SUMMING AMP
RF EQ AMP
FOCUS ERROR AMP
TRACKING
ERROR AMP
VC BUFFER
VCC
50
µ
A
VEE
VEE
VC
VC
VC
VC
VC
VC
VC
VC
VC
VC
VCC
VEE
VCC
VEE
VEE
VC
VCC
LC/PD
LD ON
HOLD SW
AGC CONT
RFTC
RF I
RF O
RFE
TE
FE
RF BOT
HOLD
AGC VTH
LD
PD
A
B
C
D
VEE
F
E
VC
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
+
–
–
+
–
–
+
–
–
+
–
–
+
–
–
+
–
+
–
–
VCC
+
–
–
+
–
–
+
–
–
+
–
+
–
–
+
–
–
+
–
–
+
–
–
+
–
– 41 –
– 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
– 42 –
SECTION 7
EXPLODED VIEWS
The components identified by
mark
mark
! or dotted line with mark
! are critical for safety.
Replace only with part number
specified.
specified.
• Items marked “*” are not stocked since they
are seldom required for routine service. Some
delay should be anticipated when ordering
these items.
delay should be anticipated when ordering
these items.
• The mechanical parts with no reference num-
ber in the exploded views are not supplied.
• Hardware (# mark) list and accessories and
packing materials are given in the last of the
electrical parts list.
electrical parts list.
NOTE:
• -XX and -X mean standardized parts, so they
may have some difference from the original
one.
one.
• Color Indication of Appearance Parts
Example:
KNOB, BALANCE (WHITE) . . . (RED)
KNOB, BALANCE (WHITE) . . . (RED)
↑
↑
Parts Color Cabinet's Color
Ref. No.
Part No.
Description
Remark
Ref. No.
Part No.
Description
Remark
(1) FRONT PANEL SECTION
supplied
with RV601
with RV601
12
12
13
14
29
28
12
27
11
28
27
10
9
15
10
10
19
10
21
1
2
25
22
23
20
10
16
17
18
8
10
supplied
with J601
with J601
not supplied
#1
3
4
6
5
24
7
26
1
3-703-685-21 SCREW (+BV 3X8)
2
4-996-687-51 KNOB (AMS)
3
X-4949-457-1 PANEL ASSY, LOADING
4
4-950-189-01 KNOB (A) (VOL)
5
4-942-568-41 EMBLEM (NO.5), SONY
6
4-997-199-21 PANEL, FRONT
7
4-997-200-01 BASE (L), PANEL
8
4-998-790-01 KNOB, POWER (
U)
* 9
1-668-768-11 AC SW BOARD
10
4-951-620-01 SCREW (2.6X8), +BVTP
* 11
1-668-767-11 HP BOARD
12
4-210-291-01 SCREW (CASE 3 TP2)
* 13
4-997-138-01 CASE (4095269)
14
3-704-515-21 SCREW (BV/RING)
* 15
1-668-769-11 VC SELECT BOARD
* 16
1-668-766-11 KEY BOARD
17
4-997-211-01 BUTTON (MODE)
18
4-997-202-11 BASE (M1), PANEL
* 19
A-4699-984-A DISP BOARD, COMPLETE
20
1-773-216-11 WIRE (FLAT TYPE) (25 CORE)
21
4-997-213-01 BUTTON (F.R) (
0, ))
22
X-4949-458-1 BASE (R) ASSY, PANEL
23
4-997-210-01 PLATE, INDICATION
24
4-948-469-01 SPRING, RING
25
3-354-981-11 SPRING (SUS), RING
26
3-840-486-12 CUSHION, SPEAKER
27
4-949-302-21 WASHER
28
4-959-077-01 DAMPER
* 29
4-962-329-01 DAMPER
Click on the first or last page to see other CDP-XB820 service manuals if exist.