Sony CDP-XB720 / CDP-XB720E Service Manual ▷ View online
– 34 –
IC101 CXD2585Q
• BD section
6-13. IC BLOCK DIAGRAMS
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
– 35 –
IC103 CXD2568M
BUFF
BUFF
BUFF
BUFF
R
R
F
F
1
CH1 OUT F
2
CH1 OUT R
3
CAPA IN 1
4
CH1 R IN
5
CH1 F IN
6
VREF IN
7
VREF OUT
8
GND
9
CH2 F IN
10
CH2 R IN
11
CAPA IN 2
12
CH2 OUT R
13
CH2 OUT F
14
GND
28 GND
27 CH4 OUT F
26 CH4 OUT R
25 VB IN
24 VS IN
23 VB IN
22 VCC
21 VCC
20 CH3 F IN
19 CH3 R IN
18 CAPA IN 3
17 CH3 OUT R
16 CH3 OUT F
15 MUTE
LEVEL
SHIFT
INTERFACE
BUFF
BUFF
BUFF
BUFF
R
F
R
F
BUFF
INTERFACE
INTERFACE
F
F
R
R
MUTE
11
12
10
VC
VC
VC
VC
VC
VC
VC
VCC
VCC
RF SUMMING AMP RF_EQ_AMP
ERROR AMP
FOCUS
FOCUS
TRACKING
ERROR AMP
ERROR AMP
VC BUFFER
VCC
VCC
VC
VC
VC
VC
VEE
VEE
VEE
VEE
VEE
VREF
13
14
15
6
5
1
2
3
4
7
8
9
16
19
20
21
22
23
24
18
17
HOLD
LD
PD
A
B
C
D
VEE
F
E
VC
AGCVTH
AGCCONT
VCC
LC/PD
LD_ON
LD_ON
HOLD_SW
RF_BOT
RFTC
RF_1
RFO
RFO
RFE
FE
TE
(50%/30%
OFF)
OFF)
APC PD AMP
APC LD AMP
IC102 BA6392FP
– 36 –
• Main section
IC301 CXD8735N
IC631 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
AVSSR1
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
– 37 –
SECTION 7
EXPLODED VIEWS
7-1. CASE SECTION
NOTE:
• Items marked “*” are not stocked since they are
seldom required for routine service. Some delay
should be anticipated when ordering these items.
should be anticipated when ordering these items.
• The mechanical parts with no reference number in
the exploded views are not supplied.
• Hardware (# mark) list and accessories and packing
materials are given in the last of this parts list.
Ref. No.
Part No.
Description
Remark
Ref. No.
Part No.
Description
Remark
The components identified by
mark
mark
! or dotted line with mark
! are critical for safety.
Replace only with part number
specified.
Replace only with part number
specified.
* 14
A-4699-972-A MAIN BOARD, COMPLETE (AEP)
* 14
A-4724-196-A MAIN BOARD, COMPLETE (UK)
* 15
4-997-214-01 PANEL, BACK (AEP)
* 15
4-997-214-11 PANEL, BACK (UK)
16
3-704-515-21 SCREW (BV/RING)(AEP)
16
3-704-515-41 SCREW (BV/RING)(UK)
17
4-984-485-01 CUSHION (FOOT)
18
3-703-685-21 SCREW (+BV 3X8)(AEP)
18
4-929-074-01 SCREW (3X8)(UK)
19
4-974-510-01 SCREW (+BV 3X8 B)(UK)
19
7-685-646-79 SCREW +BVTP 3X8 TYPE2 N-S (AEP)
! T601
1-431-715-11 TRANSFORMER, POWER
1
4-997-218-01 PANEL, LOADING
2
X-4949-523-1 FOOT ASSY (F50180S)
3
4-970-124-01 CUSHION (F50180S)
* 4
1-668-722-11 POWER BOARD
* 5
4-962-200-01 PLATE (TR), GROUND
6
4-886-821-11 SCREW, S TIGHT, +PTTWH 3X6
7
4-210-291-01 SCREW (CASE 3 TP2)(AEP)
7
4-999-877-01 SCREW (CASE)(UK)
* 8
4-997-138-01 CASE (4095269)
9
1-773-179-11 WIRE (FLAT TYPE) (23 CORE)
10
1-500-386-11 FILTER, CLAMP (FERRITE CORE)
11
4-966-267-11 BUSHING (FBS001), CORD
! 12
1-575-651-21 CORD, POWER
! 13
1-770-019-11 ADAPTOR, CONVERSION PLUG 3P (UK)
1
2
19
19
19
#2
#2
3
17
4
5
6
6
7
7
8
9
10
11
14
19
19
19
18
15
16
16
16
12
13
3
17
2
CDM14FLS-5BD25
not supplied
not supplied
not supplied
T601
FRONT PANEL
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