Sony CX-LMN75 / XR-MN75 Service Manual ▷ View online
41
41
CX-LMN75
CX-LMN75
8-13. SCHEMATIC DIAGRAM — MAIN SECTION 5 —
30
35
32
33
34
31
28
29
27
26
25
44
21
3
6
9
19
26
17
16
15
12
14
13
18
4
5
1
2
8
11
10
7
24
22
23
SP,E51,KR,AUS
SP,KR,AUS
TP996
TP997
IC902
Q904
C648
C906
C907
C909
C910
C911
C912
C913
C915
C916
C917
C918
C919
C921
C926
C950
C953
D609
D610
D702
D901
D904
D905
D906
D907
D908
JR901
JR906
Q905
R702
R703
R704
R705
R706
R707
R708
R709
R710
R711
R712
R713
R714
R715
R716
R717
R718
R719
R720
R721
R722
R724
R725
R726
R727
R730
R732
R733
R734
R735
R736
R737
R738
R739
R746
R748
R749
R750
R751
R753
R754
R756
R757
R760
R763
R764
R765
R766
R767
R768
R769
R770
R771
R772
R773
R775
R776
R777
R779
R780
R781
R782
R783
R784
R785
R786
R787
R788
R789
R790
R791
R792
R793
R901
R902
R903
R904
R905
R906
R907
R908
R909
R910
R911
R912
R913
R914
R915
R916
R917
R918
R919
R920
R921
R922
R923
R924
R925
R926
R927
R928
R929
R930
R931
R932
R933
R934
R935
R936
R937
R938
R939
R941
R942
R944
R947
R948
R949
R950
R951
R952
R953
R954
R955
R956
R958
R959
R962
R963
R965
R966
R978
R979
R980
R981
R985
R986
R989
R990
R991
R992
R995
X901
X902
C908
JR903
R731
C927
JR902
C924
C905
C937
C938
R993
R994
CN904
CN901
R723
C914
R729
R977
IC904
C930
Q901
C931
C933
D703
Q906
C942
C941
C936
D911
R987
R988
Q902
Q903
R961
CN903
R943
C928
IC901
C903
C658
C657
CN902
#
#
MM1614A
2SA1296GR
0.01
0.001
0.001
0.001
18p
22p
0.001
0.001
0.0022
0.0022
220p
220p
220p
0.0022
0.001
100p
0.022
1SS133T-72
1SS133T-72
JW 0
1SS133T-72
1SS133T-72
1SS133T-72
JW 0
1SS133T-72
1SS133T-72
0
0
2SA952TP-K1K2
100
1k
1k
100
1k
1k
1k
10k
10k
10k
1k
1k
1k
1k
1k
10k
10k
100
10k
10k
10k
1k
10k
10k
1k
100
10k
1k
1k
1k
3.3k
1k
3.3k
1k
1/4W
100
1k 1/4W
1k
1k
1k
1k
100
1k
1k
10k
22k
47k
1/4W
10k
10k
100
100
100
1k
100
1k
100
10k
100
100
1k
1k
100
1k 1/4W
100
100
100
10k
4.7k
4.7k
100
47k
22k
47k
10k
47k
47k
47k
47k
47k
47k
47k
47k
1/8W
47k
100
100
100
100
100
100
47k
47k
1/8W
47k
47k
100
47k
47k
100
100
100
100
100
100
100 1/4W
100 1/4W
100
100 1/4W
100 1/4W
100 1/4W
100 1/4W
100 1/4W
100 1/4W
100 1/4W
100
10k
10k
100
100 1/4W
100 1/4W
100 1/4W
100 1/4W
100
100
100
100
100
100 1/4W
100 1/4W
100
100
0
0
47k
47k
10k
0
1k
1k
22k
4.7k
4.7k
4.7k
470k
32.768KHz
16MHz
100
16V
16V
10K
330
0.1
0
0.22
5.5V
5.5V
220p
0.1
0.1
19P
27P
0.1
10k
PST3429UL
0.1
2SC3052FT1-LF
0.1
22
25V
1SS133T-72
2SC3052FT1-LF
0.1
0.1
100
16V
16V
M
TZJ-T-72-10C
1k
1k
DTC114YKA-T146
DTC114YKA-T146
100
8P
100
1/4W
10
50V
M3062CMEN
-A08FPU0
10
50V
0.1
470
6.3V
27P
10k
10k
1/4W
10k
1/4W
SP,E51,KR,AUS
• See page 47 for IC PIN FUNCTION DESCRIPTION.
Ver. 1.2
42
42
CX-LMN75
CX-LMN75
8-14. SCHEMATIC DIAGRAM — MAIN SECTION 6/POWER SECTION —
44
43
42
37
39
41
40
38
SP,E51,KR,AUS
C203
D251
D252
D253
D254
D256
D257
JW201
R225
R226
R227
CNA250
PT252
PT253
JW271
CN256
CNA255
CN252
CNA253
CN251
CNA254
CN202
C254
CN257
S250
C251
C250
RY252
RY251
D255
W201
JW251
PT251
JW252
2.2
50V
1SS133T-72
1SS133T-72
1SS133T-72
1SS133T-72
1SS133T-72
1SS133T-72
JW
1k
1k
22k
5P
2P
0.1
5P
1SS133T-72
JW
3P
3P
3P
3P
2P
2P
0.0022
250V
0.0022
250V
JW
JW
JW248
JW
SP,E51,KR,AUS
SP,E51,KR,AUS
Ver. 1.2
43
43
CX-LMN75
CX-LMN75
8-15. PRINTED WIRING BOARDS — POWER SECTION —
• See page 27 for Circuit Boards Location.
•
: Uses unleaded solder.
13
13
13
13
SP, E51, AUS
PT253
(MAIN)
AEP, UK
PT252
(MAIN)
SP, E51, AUS
E
MAIN
BOARD
CN251
(Page 36)
D
MAIN
BOARD
CNA250
(Page 36)
D
MAIN
BOARD
CNA250
(Page 36)
G
MAIN
BOARD
CNA253
(Page 36)
F
MAIN
BOARD
CN252
(Page 36)
1
2
A
B
C
D
3
4
5
6
7
8
JW274
CNA255
JW271
CN256
CN257
CNA254
CN257
C254
R254
C254
JW274
44
44
CX-LMN75
CX-LMN75
• IC BLOCK DIAGRAMS
— BD Board —
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
IC303 BH15FB1WG
THERMAL
PROTECTION
VOLTAGE
REFERENCE
CONTROL
BLOCK
OVER CURRENT
PROTECTION
VIN
+
−
1
GND
2
STBY
3
NC
4
V
OUT
5
IC251 BA5947FM
1
LEVEL SHIFT
MUTING
D
15
16
+
–
+
–
D
D
17
18
D
19
20
VREF
21
22
23
24
25
26
27
28
PREVCC
OPOUT
OUTVREF
CH4CAPA
CH4IN
CH3FIN
CH3RIN
GND
MUTE
POWVCC
CH3OUTF
CH3OUTR
CH4OUTF
CH4OUTR
OPIN
–
2
OPIN+
INTERFACE
14
13
D
12
11
D
10
9
8
7
6
CH2FIN
CH2RIN
GND
5
4
CH1FIN
CH1RIN
VREFIN
POWVCC
CH2OUTR
CH2OUTF
CH1OUTR
CH1OUTF
INTERFACE
D
D
3
SW
INTERFACE
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