DOWNLOAD Sony CX-LDB75 Service Manual ↓ Size: 7.04 MB | Pages: 71 in PDF or view online for FREE

Model
CX-LDB75
Pages
71
Size
7.04 MB
Type
PDF
Document
Service Manual
Brand
Device
Audio
File
cx-ldb75.pdf
Date
PREV: Sony HT-9950M / SS-CNP69 / SS-MSP69L / SS-MSP69R / SS-MSP69SB / SS-MSP69SL / SS-MSP69SR Service Manual

Sony CX-LDB75 Service Manual ▷ View online

33
33
CX-LDB75
CX-LDB75
8-5. SCHEMATIC DIAGRAM  — CHANGER SECTION —
•
 See page 46 for IC Block Diagrams.
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-LDB75
CX-LDB75
8-6. PRINTED WIRING BOARD  — FRONT SECTION —
•
 See page 27 for Circuit Boards Location.
 :Uses unleaded solder.
• Semiconductor
Location
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
IC902
DISC1
CD
CD SYNC
    REC
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)
1
|/
1
|/
TAPE
CD
TUNING  -
m
.
TUNING  +
u
Z
E
E
E
b B
M
>
35
35
CX-LDB75
CX-LDB75
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-LDB75
CX-LDB75
8-8. PRINTED WIRING BOARDS  — MAIN SECTION —
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
1-861-766-
E51
AEP
E51
AEP
E51
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
E51
E51
B
CONNECTOR
BOARD
CN701
(Page 32)
A
FRONT
BOARD
CN905
(Page 34)
C
BD
BOARD
CN201
(Page 30)
E51
E51
E51
E51
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
•
 See page 27 for Circuit Boards Location.
 :Uses unleaded solder.
• Semiconductor Location
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
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
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