Read Sony CFD-E75 Service Manual online
CFD-E75
35
35
6-17. SCHEMATIC DIAGRAM – POWER SUPPLY Section –
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.
•
5
: fusible resistor.
•
C
: panel designation.
•
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 (FM/AM)
no mark : TUNER (FM/AM)
• Voltages are taken with a VOM (Input impedance 10 M
Ω
).
Voltage variations may be noted due to normal produc-
tion tolerances.
tion tolerances.
Note:
The components identi-
fied by mark
The components identi-
fied by mark
0
or dotted
line with mark
0
are criti-
cal for safety.
Replace only with part
number specified.
Replace only with part
number specified.
Note:
Les composants identifiés par
une marque
Les composants identifiés par
une marque
0
sont critiques
pour la sécurité.
Ne les remplacer que par une
pièce por tant le numéro
spécifié.
Ne les remplacer que par une
pièce por tant le numéro
spécifié.
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
1µH
1µH
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
1µH
1µH
L290
1µH
1µH
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
10V
220
10V
10V
150
1SS355TE
-17
UDZ-TE-17
-6.8B
150
MTZJ-6.8B
220
10V
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
*
*
*
*
2A02M
2A02M
2A02M
2A02M
220
10V
10V
220
10V
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
*
C901 – 904
0.022
1
(US, CND, E92, TW, MX)
(SP, KR, AR, AUS)
(SP, KR, AR, AUS)
• TOTAL CURRENT
RADIO FM : 140mA
AM : 135mA
CD STOP : 235mA
PLAY : 390mA
TAPE STOP : 115mA
PLAY : 190mA
RECORD : 205mA
FF/REW : 195mA
• Signal path.
F
: AUDIO
• Abbreviation
AR
: Argentina model
AUS
: Australian model
CND : Canadian model
E92
E92
: Central and South America model
KR
: Korean model
MX
: Mexican model
SP
: Singapore model
TW
: Taiwan model
Ver 1.4
(Page 30)
(Page 30)
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