Sony CDX-CA710X / CDX-CA790X / CXS-7900 Service Manual ▷ View online
25
25
CDX-CA710X/CA790X
1
A
B
C
D
E
F
G
H
I
2
3
4
5
6
7
8
9
10
11
12
13
14
Administrator
SV-CDXCA710X-KEY-S
LSW915
LED953
LSW913
LSW918
LSW911
LSW919
LSW902
LED941
LED952
S912
S914
S903
LSW907
LSW905
S917
LSW901
LED954
LED912
LED951
LSW904
LED917
LED914
IC971
LED931
LSW916
LED903
CN901
R947
R921
R946
D912
D911
R951
R950
D903
R940
R942
R996
R995
IC901
R971
C971
R998
R901
R997
R937
R982
R948
R922
R902
R903
R999
R904
R983
R905
R970
R959
R958
C952
R994
D908
R992
R993
C962
C961
R991
C953
C956
R990
R976
D901
R938
R906
R907
R920
D972
R986
R984
R985
R987
R912
R911
R913
D971
R936
D913
R914
R915
R916
R917
R918
R919
R927
R928
R926
R931
R932
R941
RE901
3-12. PRINTED WIRING BOARD — KEY SECTION — • Refer to page 17 for Circuit Boards Location and page 18 for Common Note on Printed Wiring Boards.
: Uses unleaded solder.
Ref. No.
Location
D901
G-6
D903
F-11
D908
F-6
D911
H-10
D912
H-10
D913
G-9
D971
F-11
D972
F-10
IC901
G-7
IC971
D-11
• Semiconductor Location
Ref. No.
Location
LED903
B-1
LED912
C-13
LED914
B-14
LED917
B-13
LED931
B-4
LED941
C-11
LED951
B-3
LED952
B-2
LED953
C-4
LED954
B-11
(Page 24)
26
26
CDX-CA710X/CA790X
3-13. SCHEMATIC DIAGRAM — KEY SECTION — • Refer to page 18 for Common Note on Schematic Diagram.
Note:
• Voltage is dc with respect to ground under no-signal
(detuned) condition.
no mark : FM
no mark : FM
R991
R992
R993
R994
R994
R999
R998
R997
D903
D908
LED914
R937
R959
R958
D901
R938
R986
R984
R985
LED903
R936
LED912
LED917
LED951
LED952
LED953
LED954
R921
R922
R947
R948
R946
R920
R931
R932
R940
R941
R942
R951
R950
R976
R970
R971
C953
R982
R983
R987
IC971
R926
R927
R927
R928
R995
R996
C971
D972
C962
C961
C952
C956
R911
R912
R913
R914
R915
R916
R917
R918
R919
R901
R902
R903
R904
R905
R906
R907
R990
RE901
LED941
LED931
LCD901
CN801
CN802
S801
LED801
LED802
CN901
IC901
LSW902(2/2)
LSW904(2/2)
LSW905(2/2)
LSW919(2/2)
LSW911(2/2)
LSW901(2/2)
LSW907(2/2)
LSW913(2/2)
LSW915(2/2)
LSW916(2/2)
LSW918(2/2)
D971
LSW911(1/2)
S912
LSW913(1/2)
S914
LSW915(1/2)
LSW916(1/2)
S917
LSW918(1/2)
LSW919(1/2)
LSW901(1/2)
LSW902(1/2)
S903
LSW904(1/2)
LSW905(1/2)
LSW907(1/2)
D913
D912
D911
(Page 23)
27
CDX-CA710X/CA790X
IC1 µPD63711GC-8EU (Servo Board)
3-14. IC BLOCK DIAGRAMS
76
75
AGCI
AGCO
74
RFI
73
C3T
72
ASY
71
EFM
70
AVDD
69
7E DAC3
68
7D DAC2
67
7C DAC1
66
7F DAC0
65
MD
64
SD
63
TD
62
FD
60
ATEST
59
TEST1
58
TEST0
57
DGND
56
TSTB
55
TSCK
54
TSI
53
TSO
52
PACK
51
DVDD
61
AGND
1
DGND
2
RFOK
3
RST
4
A0
5
STB
6
SCK
7
SO
8
SI
9
XTALEN
10
DVDD
11
DAVDD
12
ROUT
13
DAGND
REGC
16
LOUT
17
DAVDD
18
R+
19
R–
20
L+
21
L–
22
XVDD
23
XTAL
24
XTAL
25
XGND
15
14
DAGND
77
RFO
78
EQ2
79
EQ1
80
RF-
81
AGND
82
A
83
C
84
B
85
D
86
F
87
E
88
AVDD
89
REFOUT
90
FE-
91
FEO
92
TE-
93
TEO
94
TE2
95
AGND
TEC
96
PD 97
98
LD
PN 99
100
AVDD
50 C2D3
49 C2D2
48 C2D1
47 C1D2
46 C1D1
45 DGND
44 PLCK
43 MIRR/WFCK
42 RFCK
41 LOCK
40 DVDD
39 TSOI
38 C16M
37 DGND
36 TX
35 HOLD/WDCK
34 LRCK
33 LRCKIN
32 SCKO
31 SCKIN
30 DOUT
29
28
DIN
FLAG
27 EMPH
26 DVDD
EFM
COMPARATOR
EFM
EFM
DEFECT
FOK
A3T
MIRR
FEO
TEO
TEOFS
FEOFS
RF
AMP BLOCK
SWITCH
MICROCOMPUTER INTERFACE
SCF
OSC
FOCUS
REGISTER
TRACKING
REGISTER
OCTUPLED
OVERSAMPLING DIGITAL FILTER
NOISE SHAVER
OUTPUT BUFFER
NOISE SHAVER
OUTPUT BUFFER
DE-EMPHASIS CIRCUIT
D/A
INTERFACE
CIRCUIT
OUTPUT PROCESSOR
DIGITAL
AUDIO
INTERFACE
DIGITAL PLL
TIMING GENERATOR
EFM DEMODULATOR
ERROR
CORRECTION
PROCESSOR
MICROCOMPUTER INTERFACE
CD-TEXT DECODER
SUB-CODE PROCESSOR
16K
SRAM
D/A
AUTO GAIN
CONTROLLER
FD/TD/SD/MD
CONTROLLER
CONTROLLER
ADDER
SVDRAM
MULTIPLIER
SVCRAM
SVROM
ROM
DECODER
CLV
PROCESSOR
DEFECT
COMPARATOR
RFENV
MIRENV
A/D CONVERTER
MEMORY
PROCESSOR
COMPARATOR
28
CDX-CA710X/CA790X
IC2 BA5810FP-E2 (Servo Board)
1
FWD
+
–
+
–
+
–
2
REV
LOADING PRE
FWD REV
3
LDCONT
6
IN2
7
PREVCC
8
POWVCC
VOL–
VOL+
IN1
4
PS
+
–
LEVEL
SHIFT
+
–
+
–
LEVEL
SHIFT
LEVEL
SHIFT
+
–
POWER
SAVE
CH1-4
MUTE
X3
9
10
11
VO2–
12
VO2+
13
VO1–
14
VO1+
5
BIAS
OPIN4+
OPIN4–
OPIN3–
OPOUT3
MUTE
POWVCC
GND
OPIN3+
OPOUT4
VO3–
VO3+
VO4–
VO4+
7.5k
7.5k
16k
16k
7.5k
7.5k
16k
16k
10k
10k
10k
10k
10k
10k
10k
10k
10k
10k
10k
10k
+
–
+
–
+
–
LEVEL
SHIFT
+
–
+
–
+
–
10k
10k
10k
10k
+
–
28
27
26
23
22
21
25
20
19
18
17
16
15
24
POWVCC34
(CH3,CH4)
PREVCC
(PRE.LOADING)
POWVCC12
(CH1.CH2)
IC301 BA8270F-E2 (Main Board (2/2))
1
2
3
4
5
5
6
7
8
9
10
14
13
12
11
BUS ON
SWITCH
RESET
SWITCH
BATTERY
SWITCH
BUS ON
RST
BATT
CLK
VREF
GND
VCC
RST
BUS ON
BUS ON
CLK IN
B/U-C
DATA IN
DATA OUT
DATA
I/O
I/O
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