Sony CX-LMN75 / XR-MN75 Service Manual ▷ View online
33
33
CX-LMN75
CX-LMN75
8-5. SCHEMATIC DIAGRAM — CHANGER SECTION —
R733
R711
C764
C763
C762
C765
C769
C753
C752
C751
C755
C756
C758
C754
S713
S714
S718
S717
S716
S715
S711
CN710
M771
Q731
R731
R734
R732
R702
R701
D701
C711
R712
D721
R721
D711
C761 R722
C781
CN704
CN703
CN702
C768
C766
C767
CN701
C771
CN771
S702
S771
IC701
IC711
IC721
CN751
IC751
CN781
CN761
M781
M761
CN741
CN708
CN731
CN707
CN721
CN706
CN711
CN705
10k
680
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
7P
RT1N141
91
10k
1k
100
680
MTZJ-T-77-5.1C
10
50V
100
MTZJ-T-77-4.3B
680
MTZJ-T-77-6.2A
0.01
100
0.01
2P
2P
3P
0.1
0.1
0.1
27P
0.01
7P
BA6956AN
BA6956AN
BA6956AN
3P
RPR-220
2P
2P
4P
4P
2P
2P
3P
3P
2P
2P
SW1
SW1
SW2B
SW2B
SW2A
SW2A
SW3
SW3
SW5B
SW5A
SW5A
SW4
SW5B
SW4
GND
E1
E2
E3
E4
GND
GND
D SENSE
D SENSE
DIODE
DIODE
E1
E2
E3
E4
GND
MTR MD 2
MTR MD 1
SW2-A
SW1
SW2-B
SW3
SW5-A
SW4
SW5-B
GND
GND
GND
GND
SW3
D+3.3V
M+12V
MGND
MGND
D.SENSOR
SW1-A
SW2-A
SW2-B
SW5-B
SW5-A
SW4
SLD (MD) POS
SLD (MD) NEG
LOD (ROL) NEG
LOD (ROL) POS
SLD E0
P02 SLD E1
SLD E2
SLD E3
ELV E1
ELV E0
ELV NEG
ELV POS
M+12V
ELV E2
ELV E3
MTR MD 2
MTR MD 1
MTR ST 2
MTR ST 1
MTR RL 2
MTR RL 1
MTR ST 2
MTR ST 1
MTR RL 1
MTR RL 2
SW2-A
SW1
SW2-B
GND
GND
SW3
GND
SW5-A
SW4
SW5-B
GND
OUT2
GND
OUT1
VCC
VREF
RNF
VM
FIN
RIN
OUT2
GND
OUT1
VCC
VREF
RNF
VM
FIN
RIN
OUT2
GND
OUT1
VCC
VREF
RNF
VM
FIN
RIN
(MODE)
(STOCKER POSITION)
ROTARY ENCODER
ROTARY ENCODER
(MODE)
LEVEL
SHIFT
MODE MOTOR
DRIVE
DRIVE
ROLLER MOTOR
DRIVE
STOCKER MOTOR
DISC INSERT
DETECT SENSOR
(ROLLER)
(STOCKER)
(DISC INSERT(8/12cm))
(ON:WHEN DISC INSERT)
(ON:PLAY POSITION)
(DISC IN(8/12cm))
(DISC IN(8cm))
(ON:PLAY POSITION(8cm DISC ONLY))
(DISC OUT)
(ON:WHEN DISC OUT FROM PLAY POSITION)
(STOCKER IN/OUT)
ON:THE MOMENT DISC IN/OUT
FROM STOCKER
(DISC POSITION)
IN THE MIDST DISC IS MOVING
BETWEEN PLAY POSITION AND STOCKER
ON:DISC IS PLAY POSITION SIDE
OFF:DISC IS STOCKER SIDE
(STOCKING)
OFF:IN THE MIDST DISC IS MOVING
BETWEEN PLAY POSITION AND STOCKER
+
-
+
-
1
3
1
3
1
2
1
2
1
2
1
2
1
2
1
1
1
3
3
2
1
2
1
1
1
4
4
2
1
1
7
7
+
-
MAIN BOARD
(5/6)
CN901
(Page 41)
3 . 2
I C 7 5 1
34
34
CX-LMN75
CX-LMN75
8-6. PRINTED WIRING BOARDS — FRONT SECTION —
• See page 27 for Circuit Boards Location.
•
: Uses unleaded solder.
Ref. No.
Location
D901
B-6
D902
F-2
D903
D-3
D904
B-3
D905
B-2
D906
C-2
D907
C-2
IC902
B-3
Q994
F-2
Q995
B-6
Q996
B-3
• Semiconductor
Location
IC902
DISC1
CD
CD SYNC
REC
PAUSE/START
PAUSE/START
DISC2
DISC3
DISC4
DISC5
VOLUME
FUNCTION
TUNER
BAND
DIRECTION
BASS
TREBLE
DISPLAY
i-Bass
i-Bass
(FLUORESCENT INDICATOR TUBE)
(BACK LIGHT)
(BACK LIGHT)
(BACK LIGHT)
1
2
A
B
C
D
E
F
G
3
4
5
6
A
MAIN
BOARD
CN904
(Page 36)
u
|/
u
|/
4
4
TAPE
CD
TUNING -
+
0
TUNING +
+
0
^
6
E
E
E
C997
C986
C960
C961
D903
R925
R941
R927
R926
R942
C927
R946
R957
D901
R981
Q995
S924
S925
S923
S922
S935
S942
S932
S939
S938
R976
S936
S937
S940
R975
R977
R961
S921
R930
R969
R967
R934
C929
R931
R932
R935
R940
R938
R937
R939
C928
R936
C987
R983
R986
R985
R984
R987
R991
R795
R944
R943
R929
R928
C902
D905
JW917
S926
S927
S928
S929
S930
S931
Q994
D902
S941
R956
R958
R955
R979
S933
JW925
R950
R948
R952
R954
R947
R995
R980
R933
R965
R963
S934
D907
D906
R903
R993
R994
C988
R904
C908
C909
R992
D904
Q996
R989 R988
R990
LCD901
C907
JW913
JW907
JW901
JW902
JW903
JW926
JW914
JW915
JW916
JW904
JW922
JW924
JW923
JR901
JW905
JW906
JW908
JW909
JW910
JW911
JW912
JW918
R971
R973
JW919
JW920
JW921
CN905
35
35
CX-LMN75
CX-LMN75
8-7. SCHEMATIC DIAGRAM — FRONT SECTION —
S922
S923
S921
D902
D905
D906
D907
D904
C960
R903
R904
R925
R926
R927
R928
R930
R931
R932
R934
R935
R936
R937
R938
R939
R940
R941
R942
R943
R944
R946
R947
R948
R950
R952
R954
R956
R958
R961
R963
R965
R967
R969
R971
R973
R975
R976
R977
R983
R984
R985
R986
R988
R989
R990
S924
S925
S926
S927
S928
S929
S930
S931
S932
S933
S934
S935
S936
S937
S938
S939
S940
S941
S942
C908
C909
R994
R795
C988
R992
C907
R993
R991
R987
LCD901
IC902
C902
R981
D901
R957
Q995
R979
R955
Q994
R929
Q996
C986
C961
C927
C928
C929
C997
C987
CN905
D903
25MM
25MM
RE012304
SELS6B14C
TP5
SELU1910CXM-S
LF38
SELU1910CXM-S
LF38
SELU1910CXM-S
LF38
DA204K
T-146
0.01
25V
B
47
47
47k
27k
6.8k
10
1k
1.5k
6.8k
27k
47k
1.5k
1k
6.8k
27k
47k
1.5k
1k
47 1/8W
47k
220
10
330
470
680
1k
1.5k
2.2k
220
330
470
680
1k
1.5k
2.2k
4.7k
4.7k
10k
2.2k
2.2k
2.2k
2.2k
2.2k
2.2k
2.2k
SWITDH
TACTILE
SWITDH
TACTILE
SWITDH
TACTILE
SWITDH
TACTILE
SWITDH
TACTILE
SWITDH
TACTILE
SWITDH
TACTILE
SWITDH
TACTILE
SWITDH
TACTILE
SWITDH
TACTILE
SWITDH
TACTILE
SWITDH
TACTILE
SWITDH
TACTILE
SWITDH
TACTILE
SWITDH
TACTILE
SWITDH
TACTILE
SWITDH
TACTILE
SWITDH
TACTILE
SWITDH
TACTILE
1
1
680
2.2k
0.01
470k
1
0
330k
2.2k
RPM7240-H4
0.1
1k
1/8W
SLI-325URC
T31W
1k
DTC114YKA-T146
150
1/8W
1k
DTC114YKA-T146
470
2SC3052F
0.01
0.01
0.01
0.01
0.01
0.01
0.01
19P
UDZSTE-17-4.3B
36
36
CX-LMN75
CX-LMN75
8-8. PRINTED WIRING BOARDS — MAIN SECTION —
• See page 27 for Circuit Boards Location.
•
: Uses unleaded solder.
C868
C021
C022
C869
JW621
JW622
JW623
JW016
JW025
JW024
JW026
C010
C009
CNA250
C004
D295
R252
R251
JW253
RY252
RY251
L202
L201
C228
R250
C291
C292
JW293
JW222
JW223
JW294
R096 R078
R291
D028
D036
JW237
JW247
C032
C031
JW018
JW030
D031
D255
D037
Q008
C083
C061
R024
JW219
JW252
JW251
JW246
C203
Q018
D016
D017
Q020
C027
R056
C030
R057
D020
Q019
R018
Q021
JW255
PT251
R226
JW201
R225
JW215
JW212
JW213
JW210
JW214
R227
R083
R080
R052
D038
Q061
D023
D024
D022
R071
R070
R077
R082
R084
C037
C033
Q060
Q063
R015
Q065
Q062
JW234
JW235
Q015
D210
R208
Q204 Q203
R211
R214
R204
R206
Q206
R202
D209
JW518
C971
R516
Q506
Q504
Q502
R520
C517
JW230
JW229
C147
JW516
R526
JW227
JW226
JW225
JW228
JW231
JW232
JW233
JW029
JW028
JW027
JW023
JW218
JW217
JW209
JW216
JW051
EP004
R038
C017
C018
R016
D252
D251
D254
D253
D256
D257
D015
JW032
C202
R201
C201
C501
R502
C504
R528
D012
D010
D011
Q505
R274
D502
R501
R530
C503
R529
R109
C521
Q508
D501
Q507
C519
Q509
Q510
R509
R503
C975
C513
C505
R505
R507
C509
C511
R508 C506
R506 C508
R510
R504
Q503
JR501
R521
C507
Q501
R527
Q235
C122
R272
R271
R533
Q201
R205
R122
C270
R270
R203
D249
D250
JW245
JW221
JW220
JR001
R023
C034
C015
Q006
R221
JW124
TH102
Q120
Q118
Q202
R020
D204
R172
R174
Q114
Q112
C124
JR112
R152
R209
R210
R207
Q205
Q250
Q106
Q104
R120
C128
D104
Q108
Q110
R166
D112
D106
D108
D203
R212
R128
Q128
R021
C014
C028
C029
R017
R019
R019
R058
C016
R035
R033
R059
Q012
D030
R025
R028
Q011
R029
JW041
JW042
JW044
JW120
JW045
JW043
JW046
Q064
D027
D029
D026
C005
R662
R255
R257
C226
R253
C227
C225
CNA253
W201
CN251
CN202
C232
S250
S250
CN252
J602
J201
R295
R297
R298
R219
Q291
Q293
Q292
Q294
C011
C012
R095
R079
R093
D002
JW019
R072
JW242
JW015
JW039
JW011
JW241
JW240
JW013
C
0
2
0
JW021
FB001
C019
D862
JW816
JW036
JW821
JW919
JW911
JW920
JW921
JW922
JW620
JW712
JW612
JW819
JW928
JW611
JW619
JW618
JW617
JW990
EP001
C003
R094
D294
R051
R081
R062
R026
R053
R061
R064
R063
R065
C006
R661
R256
R294
R299
R293
R296
CN291
R292
C231
D003
C250
C251
JW014
JW254
JW248
JW256
D001
JW034
JW238
D025
JW239
JW049
D035
R034
JW035
JW037
C883
C867
R655
JW914
JW915
JW910
C690
C648
C656
C659
D606
R647
C655
C625
R665
R663
C624
R646
R610
R609
C622
C603
C616
R650
C623
C621
C608
R606
C652
R660
R658
C610
R602
C607
C609
JW316
R605
Q307
Q308
R643
R601
R644
JW713
JR614
JW989
JW988
JW987
JW943
R944
R764
JW953
JW952
JW951
JW950
D911
D908
C930
C933
R978
JW966
R979
D901
C924
C906
R754
R769
R706
R768
R773
JR915
C909
X901
R702
R977
X902
R704
R981
C936
JW940
R738
R736
JW973
JW949
D604
D603
D605
D610
D609
JW913
C654
C689
Q010
Q009
R036
C035
R031
R030
R043
R048
R047
R044
R045
R046
D601
R076
D034
R049
R042
JW613
JW810
R885
C882
R884
JW020
JW012
JW033
JW204
JW207
JW208
JW236
JW031
C013
R022
R060
D021
C118
R176
R178
C114
R116
R114
R158
R124
R125
R173
R115
R123
C127
R263
R107
C103
C121
R103
R117
C107
C123
R151
C102
C104
R150
R183
Q251
R108
R105
Q101
C101
R111
R181
R121
R119
JW119
JW118
JW117
JW116
JW129
JW130
R140
R139
CLP301
R157
Q107
Q102
Q109
R165
D103
Q103
R113
JR111
D111
D101
D102
C108
R104
R185
R273
C271
R182
R144
R517
C515
R513
C502
R531
C516
C514
R514
R512
C510
C512
R518
C523
R524
R522
R519
R511
JW521
C524
R523
C520
JW522
JW519
JW517
JR502
JW520
JW614
JW515
JW514
JW615
JW616
JW511
JW513
R672
R671
JW512
JW698
JR694
JR609
R525
R515
R143
R112
R106
D105
C112
C126
D202
R213
D201
JW022
JW224
JW291
C626
CLP302
R898
R897
R887 R880
JW814
JW624
JW818
JW994
JW970
JW971
JW812
JW817
R965
CN902
JW917
JW930
JW933
JW934
CN904
JW935
JW936
JW937
JW938
JW939
R943
C928
R941
C941
C953
C942
JW963
JW964
JW965
Q901
JW962
R746
R923
JW960
JW959
R921
R916
R918
R912
JW958
JR911
JR901
CN901
JW967
R922
R917
R919
R915
R911
R907
R903
R902
R901
R905
R906
R711
C919
C918
R994
R756
R947
R924
C903
C938
C937
JW972
JW955
JW956
R942
C931
C926
Q906
C950
R723
D703
D905
D904
R980
R703
JR902 R786
C911
C910
JR903
JW961
JW948
R705
R767
C907
R788
R792
R953
R955
R952
R954
R959
R958
R961
R713
R771
JW924
R772 R780 R714
R781
JW905
JW927
R777
R793
R791
R790
R989
R785
R726
R776
C914
R735
R732
R734
R733
R731
Q902 Q903
JW978
R729
R956
R770
R948
R950
R951
R779
R949
JW923
R789
R995
C927
R787
JW954
JW941
JW983
JW984
JW947
JW946
JW969
JW968
JW944
JW945
JW929
R966
C657
R657
Q607
D602
C618
C617
C615
C639
C602
C601
R619
R613
R615
R616
R617
JR697
C460
D607
C363
C310
C148
EP003
D301
D302
R651
R641
R642
FB601
JR612
R649
C640
R620
R614
R621
R622
R623
JR699
JR613
R624C632
R61
R632
R638
C637
Q453
R457
Q451
Q454
JW412
R459
R455
R458
R453
JW523
D608
JW711
JW986
JW985
JW942
JW981
JW980
JW982
JR906
R962
JW919
R985
Q904
R986
R988
Q905
D907
CN903
R784
R783
R775
C921
R725
JW976
R737
R760
R765
R782
R748
R766
R727
R720
R721
R719
R722
R707
R715
R716
R708
C908
R908
R904
R920
R963
R909
R913
R724
R993
C917
R750
R709
R910
R914
R712
R749
R751
JW957
R753
C916
C915
C905
R757
R710
R717
R718
JW977
R739
C913
JW912
R987
R763
R990
R991
R992
R730
C912
JW932
R454
C452
C629
C462
R637
R461
R628
C634
R630
R636
R627
R631
R629
R635
C635
C643
C631
C463
R639
Q305
Q306
C466
C467
C303
C304
R304
R652
R603
C606
R607
C611
C605
R604
JW638
R608
C612
C614
R668
R664
JR611
R303
JR312
Q309
R305
C301
JW312
FB602
CNA302
C461
SFR452
SFR451
R640
C644
C630
R462
C454
R456
C455
C456
L451
C468
R30
R306
JW314
JW313
JW411
C457
Q601
JW524
Q452
C451
C453
R451
C638
R633
R634
JW926
JW925
C658
JR002
C023
R939
R926 R928
R931
R937
R935
R933
R932
R929
R934
R938
R936
R925
JW974
JW991
JW975
R927
C653
Q608
R930
R656
C649 R667
R648
R612
R611
C604
R645
C613
C650
JW891
JW918
JW916
C036
JW625
JW811
JW813
CN602
R223
R224
R130
R132
R156
R155
R129
R135
C120
R282
JW128
R222
D208
D206
D205
D207
R131
C097
R218
R216
JW243
JW244
R215
R217
R281
Q281
Q280
Q124
C119
R136
R134
R134
R138
D114
R142
D113
CNA201
JW211
C240
EP002
R141
Q123
R280
JW122
JW125
JW126
JW123
C117
TH101
Q119
R260
J202
R262
R264
R261
R259
CN203
Q113
C113
JW121
R127 C125
Q111
Q105
C111
R171
Q127
R177
D107
R137
R133
R175
R126
Q117
JW125
R118
R532
IC001
IC501
IC502
POWER TRANSFORMER (SUB)
2
1
2
1
3
1
1
3
EH
IC601
IC901
IC904
IC902
E
E
S
S
S
S
E
E
E
E
1
8
S
S
S
1
27
E
E
E
E
E
S
S
E
E
E
E
E
E
E
1
5
SP,E51
AEP,UK
SP,E51,KR,AUS
AUS
AEP,UK
SP,E51,KR,AUS
FAN
AC
IN
G
PT
BOARD
CN256
(Page 43)
D
PT
BOARD
CN257
(Page 43)
E
PT
BOARD
CNA254
(Page 43)
F
PT
BOARD
CNA255
(Page 43)
AEP,UK
SP,E51,KR,AUS
SP,E51,KR,AUS
B
CONNECTOR
BOARD
CN701
(Page 32)
A
FRONT
BOARD
CN905
(Page 34)
C
BD
BOARD
CN201
(Page 30)
SP,E51,
KR,AUS
KR,AUS
SP,E51,KR,AUS
AEP,UK,E51
SP,E51,KR,AUS
1
27
VOLTAGE
SELECTOR
E
E
E
E
E
E
E
E
E
E
E
E
E
E
E
E
E
E
E
E
E
E
E
E
E
E
E
E
E
E
E
E
E
E
E
E
E
E
E
S
S
E
E
E
E
E
E
E
E
E
E
E
E
E
E
1
2
A
B
C
D
E
F
G
H
3
4
5
6
7
8
9
10
Ref. No.
Location
D001
D-2
D002
D-3
D003
E-3
D010
D-4
D011
D-4
D012
E-4
D015
G-4
D016
G-4
D017
G-4
D020
G-5
D021
F-4
D022
D-3
D023
D-3
D024
D-3
D025
D-4
D026
E-3
D027
E-3
D028
E-3
D029
E-3
D030
G-5
D031
E-4
D034
C-4
D035
C-4
D036
E-3
D037
E-4
D038
E-3
D101
F-6
D102
F-6
D103
F-7
D104
F-6
D105
F-6
D106
F-6
D107
F-6
D108
G-6
D111
F-6
D112
F-6
D113
G-6
D114
G-6
D201
F-5
D202
F-5
D203
F-5
D204
F-5
D205
G-5
D206
G-5
D207
G-5
D208
G-5
D209
E-5
D210
F-5
D249
F-6
D250
E-6
D251
G-3
D252
G-3
D253
G-3
D254
G-3
D255
E-3
D256
G-3
D257
G-3
D294
E-3
• Semiconductor Location
Ref. No.
Location
D295
E-3
D301
C-6
D302
C-7
D501
E-6
D502
E-6
D601
D-5
D602
C-5
D603
B-5
D604
B-5
D605
B-5
D606
B-6
D607
D-7
D608
D-7
D609
B-5
D610
B-5
D703
B-8
D862
B-3
D901
B-8
D904
B-8
D905
B-8
D907
D-8
D908
B-7
D911
B-7
IC001
G-4
IC501
E-6
IC502
E-5
IC601
C-6
IC901
C-8
IC902
B-7
IC904
B-8
Q006
G-4
Q008
F-4
Q009
C-4
Q010
C-4
Q011
G-4
Q012
G-4
Q015
F-4
Q018
G-4
Q019
G-4
Q020
G-4
Q021
G-5
Q060
E-4
Q061
E-3
Q062
E-3
Q063
E-4
Q064
E-3
Q065
E-3
Q101
F-7
Q102
F-6
Q103
F-7
Q104
F-6
Q105
F-7
Q106
F-6
Q107
F-7
Q108
F-6
Q109
F-7
Ref. No.
Location
Q110
F-6
Q111
F-6
Q112
F-5
Q113
G-6
Q114
G-5
Q117
G-6
Q118
G-5
Q119
G-7
Q120
G-5
Q123
G-6
Q124
G-6
Q127
G-6
Q128
G-5
Q201
F-5
Q202
F-5
Q203
F-5
Q204
F-5
Q205
F-5
Q206
F-5
Q235
F-6
Q250
F-6
Q251
F-6
Q280
G-5
Q281
G-5
Q291
D-2
Q292
D-1
Q293
D-2
Q294
D-1
Q305
C-6
Q306
C-6
Q307
C-6
Q308
C-6
Q309
C-6
Q451
D-6
Q452
D-7
Q453
D-6
Q454
D-6
Q501
E-6
Q502
E-5
Q503
E-6
Q504
E-5
Q505
E-6
Q506
E-5
Q507
E-7
Q508
E-6
Q509
E-6
Q510
E-6
Q601
C-7
Q607
C-5
Q608
B-6
Q901
B-8
Q902
D-8
Q903
D-8
Q904
D-8
Q905
D-8
Q906
B-7
Ver. 1.2
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