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Model
CFD-E75
Pages
55
Size
3.47 MB
Type
PDF
Document
Service Manual
Brand
Device
Audio
File
cfd-e75.pdf
Date
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CFD-E75
31
31
6-13. SCHEMATIC  DIAGRAM  – MAIN (2/2)/LCD Boards –
•
 See page 23 for Waveforms.
Note on Schematic Diagram:
• All capacitors are in 
µ
F unless otherwise noted.  pF: 
µµ
F
50 WV or less are not indicated except for electrolytics
and tantalums.
• All resistors are in 
Ω
 and 
1
/
4
 
W or less unless otherwise
specified.
•
C
: panel designation.
•
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 (detuned) conditions.
no mark : TUNER (FM/AM)
[
] : CD PLAY
〈〈
 
〉〉
: TAPE PLAY
• Voltages are taken with a VOM (Input impedance 10 M
Ω
).
Voltage variations may be noted due to normal produc-
tion tolerances.
• Waveforms are taken with a oscilloscope.
Voltage variations may be noted due to normal produc-
tion tolerances.
• Circled numbers refer to waveforms.
• Abbreviation
AR
: Argentina model
AUS
: Australian model
KR
: Korean model
SP
: Singapore model
TW
: Taiwan model
C802
C803
R431
C873
R876
R877
R878
R880
R870
R869
R868
R867
R866
R865
C866
C868
C869
C865
LCD801
R838
R848
R849
R850
R851
R852
R853
R854
R855
R856
R857
R858
R859
R860
R847
R846
R845
R844
R843
R842
R841
R840
R861
R839
R895
R890
R888
C801
C813
R820
R819
R818
R816
R815
R813
R812
R811
R810
R809
R808
R807
R806
R805
R803
R802
R801
C887
C881
C882
C886
C889
C888
C884
C883
Q803
Q804
X801
R835
R834
R836
R837
C834
C835
C836
R883
C830
C892
R891
R894
R893
R892
C823
C824
C825
C826
CNP802
R882
R881
C885
C890
R884
IC803
C837
R830
R832
R829
R826
R825
C818
C819
C820
R899
R871
R879
R824
R823
CNP811
CNP801
IC804
IC801
X802
R827
CN801
Q431
C431
R432
C812
L801
100
µH
R896
C874
R873
L802
2.2
µH
C805
C872
C810
C875
C880
R821
R886
0.01
47
10V
4.7k
22p
1k
1k
1k
1k
1k
1k
1k
1k
1k
22k
100p
100p
100p
0.1
47k
47k
47k
47k
47k
47k
47k
47k
47k
47k
47k
47k
47k
47k
47k
47k
47k
47k
47k
47k
47k
47k
47k
47k
47k
330k
330k
100p
100p
1k
1k
22k
1k
1k
1k
1k
1k
1k
1k
1k
1k
1k
1k
10k
1k
1k
10p
22p
10p
22p
5p
22p
5p
22p
2SC2413TKT146-N
2SC2413TKT146-N
4.19MHz
100k
33k
100k
100k
0.01
0.01
0.01
1k
0.1
0.01
10k
100k
100k
10k
100p
100p
100p
100p
6P
1k
10k
0.001
0.01
47k
PST9128-T
0.01
1k
1k
1k
1k
1k
0.1
100p
100p
330k
1k
100k
1k
1k
27P
27P
SPS-442-VP
32.768 kHz
10k
2P
DTC114YKA-T146
0.001
470
100p
47k
10p
330
0.1
10p
100p
5p
0.01
4.7k
470k
RADIO
R-CE
TAPE
R-DATA
R-CLK
R-MUTE
CD
-W
RQ
C
D-CE
CD
-CL
C
D-DO
CD
-D
I
CD
-REF
C
D
-FS
EQ
M
EG
A
B
AS
S
A-M
U
TE
P-C
O
N
CD
CD
C
D-RES
CD
-R
ES
CD
-D
I
C
D-C
E
C
D
-CL
CD
-W
R
Q
C
D-D
O
C
D
-D
R
F
C
D
-F
SEQ
RE
G-CH
K
P
-CO
N
A-M
U
TE
M
EG
ABASS
TC-R
EC
TAPE
IS
S-1
ISS
-2
R
A
D
IO
R
-C
E
R
-D
ATA
R
-C
LK
R
-CO
U
N
T
R
-M
U
TE
ISS-1
ISS-2
TC-REC
R-COUNT
R
M
C
V
-
D
A
T
A
V
-C
L
O
C
K
RST
EXTAL
XTAL
VSS
VL
VLC3
VLC2
VLC1
S
E
G
1
0
S
E
G
1
1
S
E
G
1
2
S
E
G
1
3
S
E
G
1
4
S
E
G
1
5
S
E
G
1
6
S
E
G
1
7
S
E
G
1
8
S
E
G
1
9
NC
TEX
TX
VDD
A
-
M
U
T
E
B
U
Z
Z
E
R
R
A
D
IO
A
-M
U
T
E
B
U
Z
Z
E
R
U
-C
O
N
(V
D
D
)
D
-G
N
D
O
P
R
/B
A
T
T
V
-D
A
T
A
P
-C
O
N
V
-C
L
O
C
K
GND
JOG-A
JOG-B
SIMUKE CHECK
N
.C
C
D
-W
R
Q
C
D
-D
R
F
C
D
-D
I
C
D
-C
E
C
D
-F
S
E
Q
C
D
-D
O
C
D
-C
L
IS
S
-1
IS
S
-2
T
A
P
E
P
-C
O
N
N
.C
N
.C
ISS-1
ISS-2
TAPE
C
D
-W
R
Q
INIT
C
D
-R
E
S
M
E
G
A
B
A
S
S
BEEP-H/L
RADIO
N
.C
N
.C
N
.C
TC-
PLAY
R
M
C
+
5
V
T
C
-P
L
A
Y
C
D
-R
E
S
TC-REC
R
-M
U
T
E
R
-C
O
U
N
T
R
-C
L
K
R
-D
A
T
A
R
-C
E
C
D
M
E
G
A
B
A
S
S
JOG-A
JOG-B
KEY2
KEY1
N
.C
R
M
C
+
5
V
S
IG
N
A
L
G
N
D
OPR/BATT
RESET SIGNAL
GENERATOR
R
E
S
E
T
V
C
C
G
N
D
LIQUID CRYSTAL DISPLAY
REMOTE CONTROL
RECEIVER
SYSTEM CONTROLLER
S
E
G
9
C
O
M
3
COM2
COM1
COM0
S
E
G
8
S
E
G
7
S
E
G
6
S
E
G
5
S
E
G
4
S
E
G
3
S
E
G
2
S
E
G
1
S
E
G
0
SHIFT CLK
K
E
Y
-2
K
E
Y
-1
R
E
G
 C
H
K
C
D
 D
O
O
R
C
D
C
D
 F
S
E
Q
C
D
 D
R
F
C
D
 C
E
C
D
 C
L
C
D
 D
O
C
D
 D
I
TU-COUNT
TU-DATA
TU-CLK
TU-MUTE
TU-CE
CXP83624-035Q
(2/2)
Q803,804
SHIFT CLOCK
R
E
G
-C
L
K
BUZZER H/L
CONTROL
T
C
-R
E
C
S901
PUSH OPEN/CLOSE
R828 *
(SP, TW, KR, AR, AUS)
* 
R828
33k
3.3k
1.5k
(SP, KR, AUS)
(TW)
(AR)
(Page 30)
(Page 33)
Ver. 1.7
CFD-E75
32
32
6-14. PRINTED  WIRING  BOARDS  – PANEL Section –
•
 See page 23 for Circuit Boards Location.
Note on Printed Wiring Boards:
•
X
: parts extracted from the component side.
•
: Pattern from the side which enables seeing.
(The other layers' patterns are not indicated.)
S412
CN402
S409
S408
S410
S411
S413
R413
R412
R411
R410
R409
CN404
CN403
S406
S407
D401
JW403
JW404
R421
S402
S401
CN401
JW402
JW401
CNP402
CNP401
S403
S405
S404
R402
R408
R406
R405
R403
R404
R422
JW405
D401
KEY VOLUME BOARD
MODE
MEGA BASS
VOLUME +
VOLUME –
x
N X
1-681-674-
13
(13)
S401 – 413
DSPL
ENT MEM
RE401
ROTARY ENCODER
(JOG DAIL)
MENU
ALARM
JOG BOARD
1-681-672-
13
(13)
OPR/BATT
OPR/BATT LED BOARD
1-681-859-
13
(13)
KEY POWER BOARD
E
MAIN BOARD
CNP802
RADIO BAND
AUTO PRESET
STANDBY
POWER
1-681-673-
13
(13)
m
–
M
+
TUNE
1
2
1
2
1
3
(Page 29)
CFD-E75
33
33
6-15. SCHEMATIC  DIAGRAM  – PANEL Section –
Note on Schematic Diagram:
• All capacitors are in µF unless otherwise noted.  pF: µµF
50 WV or less are not indicated except for electrolytics
and tantalums.
• All resistors are in 
Ω
 and 
1
/
4
 
W or less unless otherwise
specified.
•
C
: panel designation.
S408
S409
R409
R410
S410
S411
R411
R412
S412
S413
R413
CNP402
R406
S405
R405
S404
R404
R403
S403
S402
R402
S401
R422
R408
CN401
CNP401
CN404
CN403
CN402
RE401
S406
R421
D401
S407
2.2k
3.3k
4.7k
6.8k
15k
2P
6.8k
4.7k
3.3k
2.2k
1.5k
150
1.5k
6P
5P
2P
3P
2P
220
L-34SRDLK
GND
JOG-A
JOG-B
KEY2
KEY1
JOG-A
JOG-B
KEY2
KEY1
GND
KEY2
GND
APPROBATE
ROTARY ENCODER
(JOG DIAL)
-
+
+
-
MENU
ALARM
DSPL
ENT MEM
RADIO BAND
AUTO PRESET
STANDBY
POWER
TUNE
OPR/BATT
VOLUME
MODE
MEGA BASS
(Page 31)
CFD-E75
34
34
6-16. PRINTED  WIRING  BOARDS  – POWER SUPPLY Section –
•
 See page 23 for Circuit Boards Location.
D390
D-18
D391
D-16
D392
D-15
D393
D-16
D394
C-15
D901
F-13
D902
F-12
D903
F-12
D904
F-12
D905
I-18
D906
I-18
D907
D-12
D908
D-12
JW923
JW925
JW924
CN901
JW922
TP901
TP905
JW921
JW926
TP902
TP903
JW926
JW927
TP904
 
 
 
 
JW914
TP912
TP911
CNP902
D904
D393
C197
Q291
JW908
JW912
JW904
C296
C297
JW909
JW913
R903
C295
JW901
C397
L190
JW906
C393
Q392
C392
CNP901
JW910
C399
C911
F901
Q391
C291
C193
C293
R394
JW907
Q390
C195
C395
JW911
L290
CNP392
C191
C910
IC390
D902
D901
D903
J301
CNP391
Q191
JW903
L391
C196
R296
R196
C294
R297
C194
D392
D907
R197
R193
D910
Q393
R395
R392
R393
R391
C394
R396
C391
R198
R398
R397
C398
D390
C290
R390
C904
C902
C901
C903
R293
R190
R290
C190
D391
C292
C192
R191
R291
R294
R194
D909
D906
R902
C907
R901
C906
C905
D905
D908
D394
J901
CN902
TP914
TP913
R298
D913
D914
BATY B BOARD
BATY A BOARD
BACK-UP BOARD
1-681-677-
13
(13)
1-681-676-
13
(13)
1-681-678-
13
(13)
DRY BATTERY
SIZE “D”
(IEC DESIGNATION)
6PCS. 9V
DRY BATTERY
SIZE “AA”
(IEC DESIGNATION)
3PCS. 4.5V
1
2
1
2
2
POWER BOARD
1-681-671-
13
(13)
C
MAIN BOARD
CN322
F
MAIN BOARD
CN322
T901
POWER TRANSFORMER
(L-CH)
(R-CH)
1
2
3
4
i
AC INLET BOARD
~AC IN
1-681-679-
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
19
A
B
1
3
1
3
2
2
1
3
Ref. No.
Location
Ref. No.
Location
• Semiconductor Location
D909
C-12
D910
C-12
D913
F-8
D914
G-8
IC390
D-14
Q191
E-17
Q291
E-17
Q390
D-17
Q391
D-16
Q392
D-17
Q393
C-18
Note on Printed Wiring Boards:
•
X
: parts extracted from the component side.
•
: Pattern from the side which enables seeing.
(The other layers' patterns are not indicated.)
(Page 29)
(Page 29)
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