Sony CX-LDB10 / CX-LDB20 / XR-DB10 / XR-DB20 Service Manual ▷ View online
29
29
CX-LDB10/LDB20
CX-LDB10/LDB20
7-14. SCHEMATIC DIAGRAM — POWER BOARD —
MAIN BOARD
CN001
(Page 24)
E
(3/3)
7.8
0
7.8
3.8
7.8
0
7.8
9.8
15.5
15.5
0
no mark : CD ON
no mark : CD ON
POWER BOARD
POWER (2) BOARD
POWER (1) BOARD
1k
1k
0
LDB10
LDB20
470
AEP, RU,
AR, AUS, KR
AR, AUS, KR
E51, SP2,SP6
MX,TW
VOLTAGE SELECTOR
E51, SP2,SP6
DT
A124EKA-T146
DT
A124EKA-T146
DT
A124EKA-T146
DTC114EKA-T146
Q901-Q904
AC DET
: NOT REPLACEABLE
BUILT IN TRANSFORMER
BUILT IN TRANSFORMER
LDB20
47k
47k
R942
R943
AEP,RU
EXCEPT AEP,RU
R942,943
2.2k
1k
7
1
4
*
*
*
*
1
*
1
*
1
*
1
*
1
*
1
*
1
*
1
3
*
3
*
2
2
2
*
*
(CHASSIS)
13P
POWER TRANSFORMER
(MAIN)
POWER TRANSFORMER
(SUB)
RELAY
17
8
Ver.1.2
30
30
CX-LDB10/LDB20
CX-LDB10/LDB20
7-15. PRINTED WIRING BOARD — AUX SECTION —
•
See page 15 for Circuit Boards Location.
:Uses unleaded solder.
7-16. SCHEMATIC DIAGRAM — AUX SECTION —
• Semiconductor
Location
Ref. No.
Location
D701
F-3
D702
F-3
D703
F-3
D704
F-3
D751
B-6
D752
B-6
D753
F-3
D754
F-3
Ver.1.2
HEADPHONE BOARD
1-865-486-
AUX BOARD
1-865-487-
J702
J701
PHONES
MAIN BOARD
W101
(Page 20)
F
MAIN BOARD
CN101
(Page 20)
C
HEADPHONE BOARD
1-865-486-
1
2
A
B
C
D
E
3
4
5
6
7
F
G
(CHASSIS)
AUDIO IN
12
(12)
12
(12)
12
(12)
W702
CN701
LDB10
LDB10
LDB20
LDB20
LDB20
C
MAIN BOARD
CN101
(Page 22)
F
MAIN BOARD
W101
(Page 23)
AUX BOARD
AUDIO IN
J702
TE-17
UDZSTE-173.9B
UDZSTE-173.9B
UDZSTE-173.9B
UDZSTE-173.9B
TE-17
PHONES
J701
CN701
6P
HEADPHONE BOARD
TE-17
TE-17
LDB10
LDB20
220k
220k
(CHASSIS)
*
2
*
2
*
2
*
2
*
2
1
3
1
6
31
CX-LDB10/LDB20
•
Waveforms
– CD Board –
1
IC101
yd
(LRCK)
2
IC101
yh
(BCK)
3
IC101
uj
(XTAO)
4
IC101
ra
(RFACO)
4.4 Vp-p
2 V/DIV, 10
µ
s/DIV
22.8
µ
s
4.5 Vp-p
2 V/DIV, 100 ns/DIV
472 ns
4.5 Vp-p
2 V/DIV, 20 ns/DIV
59 ns
Approx.800 mVp-p
200 mV/DIV, 1
µ
s/DIV
5
IC401
0
(I-XT1)
6
IC401
qd
(XIN-16 MHz)
3.7 Vp-p
1 V/DIV, 10
µ
s/DIV
30.5
µ
s
2.9 Vp-p
1 V/DIV, 50 ns/DIV
100 ns
– CONTROL Board –
32
CX-LDB10/LDB20
IC101
CXD3059AR
SERVO
INTERFACE
32
RFDCO
34
AC_SUM
35
EQ_IN
33
PDSENS
31
AVDD4
91
LMUT
92
NC
93
XTSL
94
IOVSS0
95
XTACN
96
SQSO
97
SQCK
98
SBSO
99
EXCK
1
MIRR
2
DFCT
3
FOK
9
SFDR
10
SRDR
11
TFDR
12
TRDR
13
FFDR
14
FRDR
19
E
20
F
26
A
27
B
28
C
29
D
30
NC
21
TEI
23
FEI
22
TEO
24
FEO
25
VC
5
LOCK
6
MDP
7
SSTP
4
VSS
8
IOVSS1
18
NC
15
IOVDD1
16
AVDD0
17
AVSS0
68 EMPH
66 BCK
67 VDD
71 DOUT
69 EMPHI
70 IOVDD2
64 VSS
63 LRCK
65 PCMD
75 NC
73 TES1
74 IOVSS2
78 XTAI
76 XVSS
79 XVDD
80 AVDD1
77 XTAO
72 TEST
MIRR
DFCT
FOK
TE
FE
SUM
PWM
GENERATOR
SERVO
DSP
A/D
CONVERTER
DC/DC
CONVERTER
ASYNMMETRY
CORRECTOR
SUB CODE
PROCESSOR
ERROR
CORRECTOR
32k
RAM
D/A
INTERFACE
D/A
COVERTER
SELECTOR
DIGITAL OUT
CPU INTERFACE
CLOCK
GENERATOR
SERVO
AUTO
SEQUENCER
LPF
LPF
DIGITAL
CLV
VC
ATT
39
RFC
EQ
41
RFACO
AMP
36
LD
37
PD
42
RFACI
43
AVDD3
44
BIAS
56
DDVRSEN
57
AVSS5
59
NC
54
AVDD5
58
DDCR
60
BCKI
55
DDVROUT
45
ASYI
47
VPCO
48
VCTL
49
AVSS3
46
ASYO
DIGITAL
PLL
EFM
DEMODULATOR
51
FILO
50
CLTV
52
FILI
53
PCO
38
NC
40
AVSS4
APC
112
XPCK
111
XUGF
110
WFCK
109
ATCK
101
SYSM
100
XRST
103
VSS
102
DATA
104
XLAT
106
VDD
107
SENS
105
CLOK
108
SCLK
113
GFS
116
VDD
115
SCOR
114
C2PO
117
C4M
119
COUT
118
WDCK
120
NC
82 VREFL
83 AVSS1
84 AVSS2
81 AOUT1
86 AOUT2
87 AVDD2
88 NC
89 IOVDD0
90 RMUT
85 VREFR
61 PCMDI
62 LRCKI
•
IC Block Diagrams
– CD Board –
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