Sony CFD-E77L Service Manual ▷ View online
30
30
CFD-E77L
D328
D329
Q323
Q322
R322
D321
C325
C227
C127
C225
C125
L322
1
1
µ
H
R225
R125
C126
C226
D322
D323
C351
C335
R324
R323
Q325
D324
D325
R327
R328
R336
D326
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
R333
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
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
15k
15k
1
50V
1
50V
1SS355TE-17
1SS355TE-17
100p
2.2
50V
50V
100
1k
DTC114YKA-T146
1SS355TE
-17
1SS355TE
-17
220
220
470
UDZ-TE-17-5.1B
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
470
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
AA
1
AA
2
AA
3
A
A4
A
A
5
PLAY
TAPE
REC
ISS1
ISS2
FSEQ
DRF
DO
∗
WRQ
CL
CE
DI
∗
RES
∗
R
ES
D
I
C
E
CL
∗
W
R
Q
DO
D
R
F
FSEQ
ISS
2
ISS
1
TA
P
E
R
EC
PLA
Y
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
-C
O
U
N
T
R
-C
L
K
R
-
D
A
T
A
R
-C
E
R
A
D
IO
IS
S
-2
IS
S
-1
V
-C
L
O
C
K
V
-D
A
T
A
A
-M
U
T
E
B
U
Z
Z
E
R
P
-C
O
N
R
M
C
+
5
V
D
-G
N
D
O
P
R
/B
A
T
T
U
-C
O
N
(
V
D
D
)
C
D
-R
E
S
C
D
-D
I
C
D
-C
E
C
D
-C
L
C
D
-W
R
Q
C
D
-
D
O
C
D
-D
R
F
C
D
-F
S
E
Q
C
D
R
E
G
-C
H
K
T
C
-P
L
A
Y
T
C
-R
E
C
MOT-GND
D-GND
S-GND
M
E
G
A
B
A
S
S
TU-IN-L
TU-IN-R
CD-IN-L
CD-IN-R
L-OUT
R-OUT
LINE
TAPE
6V
GND
ISS1
ISS2
REC
O
U
T
IN
G
N
D
(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
-M
U
T
E
T
A
P
E
Q322,323
TUNER B+ SWITCH
L-OUT
R-OUT
A-GND
AU 6.2V
M/B-CONT
6-13. SCHEMATIC DIAGRAM – MAIN Board (1/2) –
• Voltages are dc with respect to ground under no-signal
(detuned) conditions.
no mark : TUNER (FM/MW/LW)
[
no mark : TUNER (FM/MW/LW)
[
] : CD PLAY
(Page 28)
(Page 27)
(Page 35)
(Page 25)
(Page 31)
(Page 35)
31
31
CFD-E77L
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
100
µH
R896
C874
R873
L802
2.2
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-P
2SC2413TKT146-P
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
0.01
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
C
D-W
R
Q
C
D
-CE
CD
-CL
C
D
-D
O
C
D
-D
I
CD
-R
EF
CD-FSEQ
M
EG
AB
AS
S
A-M
U
T
E
P-C
O
N
CD
C
D
CD
-R
ES
C
D
-R
ES
C
D
-D
I
CD
-CE
CD
-C
L
C
D
-W
RQ
CD-D
O
CD
-DR
F
CD
-FS
E
Q
R
EG
-C
H
K
P-C
O
N
A-M
UTE
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 0
6-14. SCHEMATIC DIAGRAM – MAIN (2/2)/LCD Boards –
•
See page 36 for Waveforms.
• Voltages and waveforms are dc with respect to ground
under no-signal (detuned) conditions.
no mark : TUNER (FM/MW/LW)
[
no mark : TUNER (FM/MW/LW)
[
] : CD PLAY
〈〈
〉〉
: TAPE PLAY
(Page 30)
(Page 33)
Ver. 1.2
32
32
CFD-E77L
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 –
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
OPERATE
1-681-673-
13
(13)
–
+
TUNE
1
2
1
2
1
3
6-15. PRINTED WIRING BOARDS – PANEL Section –
•
See page 23 for Circuit Boards Location.
(Page 29)
33
33
CFD-E77L
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
TUNE
OPR/BATT
VOLUME
MODE
MEGA BASS
OPERATE
6-16. SCHEMATIC DIAGRAM – PANEL Section –
(Page 31)
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