Schematic Diagram - Power Supply Section - Sony cfd-e75 Service Manual

Q Q
6-17. SCHEMATIC DIAGRAM – POWER SUPPLY Section –
3 7 6 3 1 5 1 5 0
R397
68k
C398
0.22
D390
1SS355TE-17 R398
470k
C399
25V
T E
L 1 3 9 4 2 2 9 6 5 1 3
R296
470
Q291
C297
KTC3198GR-AT
0.47
50V
Q191,291
MEGA BASS
CONTROL
R196
470
Q191
C197
KTC3198GR-AT 0.47
CNP391
50V
13P
AU 6.2V
M/B-CONT
L-OUT
R-OUT
A-GND
MOT-GND
TC 9.0V
P-CON
COM VCC
AC-HI
(Page 30)
CD 6.2V
D-GND
S-GND
w w w
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
specified.
• 5 : fusible resistor.
• C : panel designation.
POWER AMP
IC390
BA5417
C296
1
50V
C196
1
50V
22
R298
1k
1SS355TE
Q390
C391
KTC2026Y
0.01
+6.2V
REGULATOR
D391
R297
R391
R392 1SS355TE
15k
100
150 -17
R198
D392 C392
1k
UDZ-TE-17 220
-6.8B 10V
C393
100
10V
C394
Q391
R197
0.01 DTC114EKA-T146
KTC2026Y
15k
POWER ON/OFF
CD +6.2V
REGULATOR
R393 R394
10 150
C395
D393
220
MTZJ-6.8B
10V
x a o
y
Note:
The components identi-
i
fied by mark 0 or dotted
1 / W or less unless otherwise
4 line with mark 0 are criti-
cal for safety.
Replace only with part
number specified.
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8
C195
R193 R293
C193 C293
2200
3.3k 3.3k
220 220
10V
10V 10V
R194
100
C194 C294 R294
C295
0.022 0.022 100
2200
10V
R191 R291
2.2 2.2
L391
C906 1µH
0.1
C911
D394
D906 R901
10
1SS355TE-17 1k
50V
-17
Q Q
C907 3 7 6 3
0.1
D905 R902
1SS355TE-17 1k
C905
C902 D902 D901 C901
0.022 2A02M 2A02M 0.022
Q392
KTA1271Y-AT
B+ SWITCH
C904 D904 D903 C903
0.022 2A02M 2A02M 0.022
R396
47k
R395
1k
Q393
CONTROL
D907
1SS355TE
-17
C910
4700
16V
D908 D909
UDZ-TE-17-2.7B 1SS355TE-17
R903
1
D910
RB441Q-40-T77
u 1 6 3
• A : B+ Line.
Note:
• Power voltage is dc 9 V and fed with regulated dc power
Les composants identifiés par
supply from battery terminal.
une marque 0 sont critiques .
• Voltages are dc with respect to ground under no-signal
pour la sécurité.
(detuned) conditions.
Ne les remplacer que par une
no mark : TUNER (FM/AM)
pièce por tant le numéro
spécifié.
35 35
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2 4
9 9
CNP392
4P
SP101
(L-CH)
SP201
(R-CH)
J301
L190
1µH
L290
1µH
T901
POWER TRANSFORMER
J901
1 5 1 5 0 8 9 2
CNP902 CN902
3P 3P
0.1
F901
2.5A
250V
D914 1SS355TE-17
CN901
CNP901
3P
3P
D913 1SS355TE-17
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)
m
c o
• Voltages are taken with a VOM (Input impedance 10 MΩ).
• Signal path.
CFD-E75
2
8 9 9
4 9 8 2 9 9
Voltage variations may be noted due to normal produc-
tion tolerances.
F : AUDIO