Sony CFD-E75L Service Manual ▷ View online
CFD-E75L
27
27
C51
C52
C54
R54
C95
R91
C56
C55
R60
R61
R59
R58
JC4
R13
L21
10
µ
H
R56
R4
JC5
C60
C68
C66
R92
JC33
C18
JC6
C12
C9
C10
C8
C4
R2
R3
R11
C23
C34
D1
C35
C33
D2
C31
R31
C30
R41
C42
C39
R30
R32
C80
C37
R50
C22
R24
C20
C11
C1
C32
D11
D10
CNP1
R94
C57
R51
C63
C62
C61
X1
L4
JC34
JC1
R10
JC2
C29
T2
T1
L2
L1
IC1
D3
ANT1
TP
C7
C58
R63
R64
R52
C53
C59
R53
Q61
TP
JC23
CF4
CF2
R1
C15
C14
C77
C78
JC3
C21
C24
R12
C25
IC2
R93
R19
R22
R17
R66
C64
C93
JC22
Q14
Q12
CT1
C70
C40
CT3
C49
R40
C43
R7
C41
C44
C71
C72
R18
C5
C6
R43
Q43
JC24
L3
Q42
R42
Q41
C3
Q44
R9
CT5
C73
C48
C45
R16
C46
C2
22p
10p
220
10V
10V
470
1000p
1k
1000p
100p
2.2k
2.2k
2.2k
2.2k
2.2k
330
10k
1000p
100p
100p
1k
220
10V
10V
4.7
50V
50V
10p
1
50V
1000p
1000p
470
10k
3.3k
1
50V
0.01
KV1471E
0.01
0.01
KV1471E
22p
3.3k
0.01
10k
100p
0.1
15k
100k
0.01
0.01
1k
0.1
220
0.1
0.1
47p
1000p
1SS355
1SS355
11P
1k
1000p
10k
100p
100p
100p
75kHz
47
100
10V
10V
TA2149N
KV1520NT
(ANT)
5p
0.01
4.7k
1k
100
0.47
1000p
4.7k
2SK514-F
(VT)
450kHz
10.7MHz
470
0.01
0.01
4700p
4700p
1
50V
220p
47k
4700p
LC7213M-TLM
1k
2.2k
10k
2.2k
47
100p
0.01
2SC4081
DTC114YUA
20p
5p
10p
10p
0.1
470k
47p
470k
220p
220p
100p
22p
4.7k
0.01
0.01
10k
2SC2059K
2SC4098
100k
DTC343TK
0.01
2SC4098
100k
50p
22p
47p
0.01
10k
0.1
0.01
RADIO 6V
VT
X
O
U
T
X
IN
LP
-O
U
T
LP
-IN
P
D
V
SS
V
DD
M
O
/ST
FM
IN
AM
IN
C
E
D
I
C
L
D
O
B
AN
D
ST
-IN
D
IF
IN
M
U
T
E
AM OSC
FM OSC
VCC1
OSC-OUT
IF-OUT
DET-OUT
MPX-IN
R-OUT
L-OUT
ST-IND
QUAD
GND2
IF-IN
AM
IF-IN
FM
VCC2
AGC
LPF1
/BAND
LPF2
/MO-ST
GND1
FM
RF-IN
RF-OUT
AM
RF-IN
FM
AM
LO
W
C
U
T
OUT
MIX-
B
AN
D
FM/AM PLL
R-MUTE
R-COUNT
R-CLOCK
R-DATA
R-CE
L-OUT
R-OUT
A-GND
S-GND
FM IFT
AM IFT
FM OSC
FM
RF
FM/AM RF AMP,
MIX,OSC,IF AMP,
DET,MPX
ANTENNA
ANTENNA
FM TELESCOPIC
S
CONSTANT
CURRENT
M
W
/L
W
MW BAND
SELECT
SWITCH
AM HIGH
SWITCH
CUT
MW/LW OSC
-1
-2
ANTENNA
LW FERRITE-ROD
MW FERRITE-ROD
L3-1
L3-2
MW SWITCH
MW SWITCH
LW SWITCH
LW SWITCH
6-8.
SCHEMATIC DIAGRAM – TUNER Section –
•
See page 23 for Waveform.
•
See page 36 for IC Block Diagrams.
Note on Schematic Diagram:
• All capacitors are in
• All capacitors are in
µ
F unless otherwise noted. pF:
µµ
F
50 WV or less are not indicated except for electrolytics
and tantalums.
and tantalums.
• All resistors are in
Ω
and
1
/
4
W or less unless otherwise
specified.
•
f
: internal component.
•
A
: B+ Line.
•
H
: adjustment for repair.
• Power voltage is dc 9 V and fed with regulated dc power
supply from battery terminal.
• Voltages and waveforms are dc with respect to ground
under no-signal (detuned) conditions.
no mark : FM
(
no mark : FM
(
) : MW
[
] : LW
• Voltages are taken with a VOM (Input impedance 10 M
Ω
).
Voltage variations may be noted due to normal produc-
tion tolerances.
tion tolerances.
• Waveforms are taken with a oscilloscope.
Voltage variations may be noted due to normal
production tolerances.
production tolerances.
• Circled numbers refer to waveforms.
• Signal path.
F
: FM
f
: MW/LW
(Page 30)
CFD-E75L
28
28
R202
C202
R203
C203
C204
R204
C205
C302
R103
C103
R104
R102
C102
C104
C105
R101
R201
R210
R110
R111
C106
C303
C206
R309
R211
R302
R303
R304
R105
R205
R106
R206
R305
R306
C304
C306
R308
Q301
R307
R301
C301
IC301
C107
C207
HE301
HRP301
T301
CN303
C101
C201
C307
C305
JC302
JC301
JC304
JC303
C310
C308
R312
R311
R313
R310
Q303
Q302
68
47
10V
68k
0.047
0.0022
2.2k
47p
100
10V
68k
0.047
2.2k
68
47
10V
0.0022
47p
15k
15k
100
100
4.7k
1
50V
100
10V
1
50V
47
4.7k
4.7k
4.7k
1k
15k
15k
2.2k
2.2k
150
6.8k
47
10V
0.01
22k
2SC2412KT
-146-QR
15
1M
100
10V
10V
TA2068N
470p
470p
13P
0.001
0.001
0.0022
470p
220p
100p
1k
1M
1k
1M
2SC2412KT-146-QR
2SC2412KT-
146-QR
TAPE
GND
6V
TU-IN-L
TU-IN-R
CD-IN-L
CD-IN-R
L-OUT
R-OUT
LINE
AGC
L.PO
L.NF
L.RO
L.IN
REF
GND
R.IN
R.RO
R.NF
R.PO
MIC.NF
L.LIN
MIC
I/EX
L.RAD
REC
L.LO
VCC
R.LO
LINE
R.RAD
TAPE
R.LIN
MIC
REC/PB EQ AMP,
SELECT SWITCH
1
4
(REC/PB HEAD)
(ERASE HEAD)
L-CH
R-CH
BIAS OSC
BIAS OSC
PB
REC
(REC/PB)
S301
-1
-2
Q302,303
ISS SWITCHING
6-9.
PRINTED WIRING BOARD – TAPE DECK Section –
•
See page 23 for Circuit Boards Location.
6-10. SCHEMATIC DIAGRAM – TAPE DECK Section –
•
•
See page 23 for Waveform.
•
See page 37 for IC Block Diagram.
• Semiconductor
Location
Ref. No.
Location
Note on Printed Wiring Board:
•
•
X
: parts extracted from the component side.
•
Y
: parts extracted from the conductor side.
•
: Pattern from the side which enables seeing.
(The other layers' patterns are not indicated.)
IC301
C-3
Q301
D-4
Q302
D-2
Q303
D-2
IC301
CN303
T301
BIAS
BIAS
OSC
C102
C302
C202
C301
C304
C303
C206
C106
C103
R210
R206
R201
R301
R104 R103
R202
R203
R204
C104
C203
C204
C201
C205
C105
R305
R101
C101
JC304
R313
R102
C107
C207
R307
C307
R306
C305
R308
C306
R303
JC301
R211
R205
JC303
Q303
Q302
R309
R304 JC302
R111
R105
R106
R302
R310
C310
C308
R311
R312
R110
Q301
B
MAIN BOARD
CNP322
-1
-2
S301
(REC/PB)
PB
r
REC
TC BOARD
1-679-592-
11
(11)
4
1
3
2
L-CH
R-CH
HE301
(ERASE HEAD)
HRP301
REC/PB
HEAD
C
D
1
2
3
4
5
6
A
B
Note on Schematic Diagram:
• All capacitors are in
• All capacitors are in
µ
F unless otherwise noted. pF:
µµ
F
50 WV or less are not indicated except for electrolytics
and tantalums.
and tantalums.
• All resistors are in
Ω
and
1
/
4
W or less unless otherwise
specified.
•
A
: B+ Line.
• Power voltage is dc 9 V and fed with regulated dc power
supply from battery terminal.
• Voltages and waveforms are dc with respect to ground
under no-signal conditions.
no mark : TAPE PLAY
(
no mark : TAPE PLAY
(
) : TAPE RECORD
• Voltages are taken with a VOM (Input impedance 10 M
Ω
).
Voltage variations may be noted due to normal produc-
tion tolerances.
tion tolerances.
• Waveforms are taken with a oscilloscope.
Voltage variations may be noted due to normal produc-
tion tolerances.
tion tolerances.
• Circled numbers refer to waveforms.
• Signal path.
F
: TUNER
E
: TAPE PLAY
a
: TAPE RECORD
J
: CD PLAY
(Page 29)
(Page 30)
29
29
CFD-E75L
6-11. PRINTED WIRING BOARDS – MAIN/LCD Boards –
•
See page 23 for Circuit Boards Location.
Note on Printed Wiring Boards:
•
•
X
: parts extracted from the component side.
•
Y
: parts extracted from the conductor side.
•
: Pattern from the side which enables seeing.
(The other layers' patterns are not indicated.)
JW325
C331
JW316
JW301
JW318
JW339
JW337
C334
JW338
CNP802
X801
JW302
JW308
IC803
JW326
C330
Q327
JW329
D321
CNP323
JW327
JW312
CN801
JW307
CNP322
X802
CNP321
JW343
C223
JW331
C125
L802
C225
L801
C803
JW321
Q326
IC321
L321
C325
C327
JW309
JW333
JW344
C124
C224
JW328
JW305
C123
JW310
CN321
JW322
JW313
C332
JW330
JW323
L322
JW306
JW341
C226
C126
JW345
JW304
JW311
CN322
CNP801
C320
JW335
JW319
JW336
JW320
C335
JW332
IC320
JW314
C326
Q120
Q220
JW315
C802
R326
D322
R321
R888
D320
R841
R837
R844
R842
R843
R845
R846
R847
R848
R840
R850
R895
R852
R849
R854
R851
R856
R858
R860
R861
R853
R855
R857
R859
R839
R838
R836
R835
C836
C835
C834
C883
C886
Q804
Q803
C882
R882
R832
R881
R336
R829
R828
R824
R329
R333
Q325
C324
C329
C323
R892
R124
C220
C866
C885
R826
R825
R827
R891
Q431
R809
R324
R870
C881
C823
C825
C820
C824
R823
R821
R805
R806
R807
R808
R810
R801
C227
C801
C810
C830
R813
R830
C892
R884
C869
R894
R899
R890
R877
R876
R879
R803
C874 C875
C873
R871
R896
C826
R873
R322
C837
C865
R869
R868
C805
Q322
R867
R834
R811
R815
R816
R818
R819
R820
R886
C889
C880
C890
R331
D326
R230
R330
Q222
Q122
R130
C120
C328
R812
R224
R122
R220
R120
R121
R332
D327
R222
Q323
R223
D323
R893
C818
C888
Q328
C887
C884
R802
R880
R123
C351
R883
D328
R327
R878
R221
C868
Q329
C819
R325
R866
D325
C321
C322
C431
R865
R320
R328
R323
C812
R432
R431
C127
R225
R125
D329
D324
C813
CNP811
IC804
R335
C872
R334
R876
IC801
JW317
MAIN BOARD
C
POWER BOARD
CNP391
F
POWER BOARD
S304
(TAPE PLAY)
M
M301
(CAPSTAN/REEL)
S303
(MOTOR ON/OFF)
6
5
4
3
2
1
1
3
E
KEY POWER BOARD
CN401
1-681-670-
13
(13)
S901
CD LID
OPEN/CLOSE
A
TUNER BOARD
CNP1
B
TC BOARD
CN303
D
CD BOARD
CNP702
24
20
15
10
5
1
LCD801
LIQUID CRYSTAL DISPLAY
3
2
1
LCD BOARD
1-681-675-
13
(13)
C
D
E
F
G
H
I
J
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
A
B
1
3
Ref. No.
Location
Ref. No.
Location
• Semiconductor Location
D320
B-5
D321
C-11
D322
F-3
D323
F-3
D324
D-3
D325
F-3
D326
H-9
D327
D-5
D328
D-12
D329
D-13
IC320
C-8
IC321
F-3
IC801
G-7
IC803
H-5
IC804
H-6
Q120
D-11
Q122
C-5
Q220
D-10
Q222
C-5
Ref. No.
Location
Q322
D-13
Q323
E-13
Q325
E-4
Q326
D-3
Q327
D-4
Q328
G-3
Q329
G-3
Q431
E-7
Q803
H-5
Q804
H-6
(Page 24)
(Page 28)
(Page 26)
(Page 34)
(Page 32)
(Page 34)
30
30
CFD-E75L
D328
D329
Q323
Q322
R322
D321
C325
C227
C127
C225
C125
L322
1
µ
H
R
2
2
5
R
1
2
5
C
1
2
6
C
2
2
6
D322
D323
C351
C335
R324
R323
Q325
D
3
2
4
D
3
2
5
R
3
2
7
R
3
2
8
R
3
3
6
D
3
2
6
C327
C328
D327
R332
C330
R331
R330
Q327
R230
R130
R321
R224
Q122
Q222
R124
C124
C320
R320
C321
C324
C223
C224
C322
C323
C332
CNP323
C329
R
3
3
3
R329
Q326
CN321
CNP321
R122
R222
C326
R325
C123
IC320
CN322
IC321
C334
S303
M301
S304
CNP322
Q220
Q120
R123
C120
C331
C220
R223
R120
R121
R221
R220
Q328
R326
R334
L321
10
µ
H
Q329
R335
D320
1SS355TE-17
1SS355TE-17
DTA114EKA
-T146
DTC114YKA
-146
100
1SS355TE
-17
220
10V
10V
100p
100p
1
50V
1
50V
1
5
k
1
5
k
1
5
0
V
1
5
0
V
1SS355TE-17
1SS355TE-17
100p
2.2
50V
50V
1k
10k
DTC114YKA-T146
1
S
S
3
5
5
T
E
-1
7
1
S
S
3
5
5
T
E
-1
7
1
0
0
1
0
0
4
7
0
U
D
Z
-T
E
-1
7
-5
.1
B
220
16V
16V
0.1
UDZ-TE-17-3.9B
220
100
10V
10V
100
100k
KTC3203Y-AT
220k
220k
47k
6.8k
DTC343TKA-T146
DTC343TKA-T146
6.8k
1
50V
100
10V
10V
150
0.01
0.1
1
50V
1
50V
100p
100p
100
10V
10V
14P
0.01
4
7
0
1k
KTA1271Y-AT
11P
6P
220
220
100
10V
10V
150
1
50V
M62429P
13P
S-81233SGY
10
50V
13P
KTC3198GR-AT
KTC3198GR-AT
1k
0.0022
47
10V
0.0022
1k
1k
220k
220k
1k
DTA114YKA
-T146
330
330
KTC3875GR
330
1SS355TE-17
AA1
AA2
AA3
AA4
AA5
AA1
AA2
AA3
AA4
AA5
PLAY
TAPE
REC
ISS1
ISS2
FSEQ
DRF
DO
*WRQ
CL
CE
DI
*RES
*RES
DI
CE
CL
*W
RQ
DO
DRF
FSEQ
ISS2
ISS1
TAPE
REC
PLAY
CD VDD 3.3V
S-GND
VT
A-GND
L-OUT
R-OUT
R-CE
R-COUNT
R-DATA
R-CLOCK
P-CON
AC-HI
R-MUTE
TC 9.0V
COM VCC
CD R-OUT
CD L-OUT
DRF
DO
*WRQ
FSEQ
CL
CE
DI
*RES
P-GND
D-GND
CD 6.2V
CD MOTOR 6.0V
R-COUNT
R-CLK
R-DATA
R-CE
RADIO
ISS-2
ISS-1
V-CLOCK
V-DATA
A-MUTE
BUZZER
P-CON
RMC+5V
D-GND
OPR/BATT
U-CON(VDD)
CD-RES
CD-DI
CD-CE
CD-CL
CD-WRQ
CD-DO
CD-DRF
CD-FSEQ
CD
REG-CHK
TC-PLAY
TC-REC
MOT-GND
D-GND
S-GND
MEGABASS
TU-IN-L
TU-IN-R
CD-IN-L
CD-IN-R
L-OUT
R-OUT
LINE
TAPE
6V
GND
ISS1
ISS2
REC
OUT
IN
GND
(1/2)
(MOTOR ON/OFF)
(CAPSTAN/REEL)
(TAPE PLAY)
RADIO 6V
AF AMP
AF AMP
ELECTRICAL
VOLUME
Q122,222
MUTING
Q328,329
BATTERY
CHECK
COM +3.3V
REGULATOR
Q325,326
CD B+ SWITCH
Q327
CD +3.3V REGULATOR
R-MUTE
TAPE
Q322,323
TUNER B+ SWITCH
L-OUT
R-OUT
A-GND
AU 6.2V
M/B-CONT
6-12. SCHEMATIC DIAGRAM – MAIN Board (1/2) –
Note on Schematic Diagram:
• All capacitors are in
• All capacitors are in
µ
F unless otherwise noted. pF:
µµ
F
50 WV or less are not indicated except for electrolytics
and tantalums.
and tantalums.
• All resistors are in
Ω
and
1
/
4
W or less unless otherwise
specified.
•
A
: B+ Line.
• Power voltage is dc 9 V and fed with regulated dc power
supply from battery terminal.
• Voltages are dc with respect to ground under no-signal
(detuned) conditions.
no mark : TUNER
[
no mark : TUNER
[
] : CD PLAY
• Voltages are taken with a VOM (Input impedance 10 M
Ω
).
Voltage variations may be noted due to normal produc-
tion tolerances.
tion tolerances.
• Signal path.
F
: AUDIO
(Page 28)
(Page 27)
(Page 35)
(Page 25)
(Page 31)
(Page 35)
Click on the first or last page to see other CFD-E75L service manuals if exist.