DOWNLOAD Sony CFD-E77L Service Manual ↓ Size: 3.36 MB | Pages: 56 in PDF or view online for FREE

Model
CFD-E77L
Pages
56
Size
3.36 MB
Type
PDF
Document
Service Manual
Brand
Device
Audio
File
cfd-e77l.pdf
Date

Sony CFD-E77L Service Manual ▷ View online

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)
34
34
CFD-E77L
6-17. 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
TP901
TP905
JW921
JW926
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
JW922
TP902
TP903
JW927
JW926
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
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
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
2
1
2
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
(Page 29)
(Page 29)
35
35
CFD-E77L
Q191
R197
C197
R198
C297
R297
Q291
R296
R196
C393
C392
R392
D391
D392
R394
D393
C395
C394
C391
R393
R903
C907
C906
C397
C191
C192
C292
C291
C196
D390
R291
L391
1
µ
H
R194
R294
R390
R395
D394
C290
C190
D908
D910
D907
C910
CNP901
R391
CNP392
CNP902
CN902
R191
C911
C296
R396
Q392
J301
T901
D905
D906
Q393
Q391
Q390
IC390
C398
R398
C399
R290
R190
C194
C294
C195
C295
R193
R293
L190
1
µ
H
L290
1
µ
H
C905
D909
J901
D913
D914
CN901
R901
R902
R397
CNP391
F901
R298
C901
C903
C904
C902
D902
D904
D903
D901
C293
C193
KTC3198GR-AT
15k
0.47
50V
1k
0.47
50V
15k
KTC3198GR-AT
470
470
100
10V
220
10V
150
1SS355TE
-17
UDZ-TE-17
-6.8B
150
MTZJ-6.8B
220
10V
0.01
0.01
10
1
0.1
0.1
220
10V
47
10V
2200p
2200p
47
10V
1
50V
1SS355TE-17
2.2
100
100
47
1k
1SS355TE
-17
100p
100p
UDZ-TE-17-2.7B
RB441Q-40-T77
1SS355TE
-17
4700
16V
3P
100
4P
3P
3P
2.2
10
50V
1
50V
47k
KTA1271Y-AT
1SS355TE-17
1SS355TE-17
DTC114EKA-T146
KTC2026Y
KTC2026Y
BA5417
0.22
470k
22
25V
220
220
0.022
0.022
2200
10V
2200
10V
3.3k
3.3k
0.1
1SS355TE-17
1SS355TE-17
1SS355TE-17
3P
100
100
2.2k
10P
2.5A
250V
1k
1
1
1
1
2A02M
2A02M
2A02M
2A02M
220
10V
220
10V
R-OUT
L-OUT
A-GND
AU 6.2V
P-CON
AC-HI
TC 9.0V
COM VCC
CD 6.2V
MOT-GND
D-GND
S-GND
M/B-CONT
(L-CH)
(R-CH)
DRY BATTERY
SIZE"D"
(IEC DESIGNATION R20)
6PCS. 9V
(FOR POWER SUPPLY)
DRY BATTERY
SIZE"AA"
(IEC DESIGNATION R6)
3PCS. 4.5V
(FOR BACK-UP)
POWER TRANSFORMER
POWER ON/OFF
CONTROL
CD +6.2V
REGULATOR
REGULATOR
+6.2V
B+ SWITCH
POWER AMP
CONTROL
MEGA BASS
Q191,291
1
3
~
 AC IN
• TOTAL CURRENT
RADIO FM : 140mA
MW/LW : 135mA
CD STOP : 235mA
PLAY : 390mA
TAPE STOP : 115mA
PLAY : 190mA
RECORD : 205mA
FF/REW : 195mA
6-18. SCHEMATIC  DIAGRAM  – POWER SUPPLY Section –
• Voltages are dc with respect to ground under no-signal
(detuned) conditions.
no mark : TUNER (FM/MW/LW)
Note: The components identified by mark 
0
 or dotted line
with mark 
0
 are critical for safety.
Replace only with part number specified.
(Page 30)
(Page 30)
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