Schematic Diagram - Power Supply Section - Sony CFD-E75L Service Manual

6-17. SCHEMATIC DIAGRAM – POWER SUPPLY Section –
R397
2.2k
C398
0.22
D390
R398
1SS355TE-17
470k
C399
22
25V
R296
470
Q291
C297
KTC3198GR-AT
0.47
50V
Q191,291
MEGA BASS
CONTROL
R196
470
Q191
C197
KTC3198GR-AT
0.47
50V
R-OUT
A-GND
(Page 30)
L-OUT
AU 6.2V
M/B-CONT
MOT-GND
TC 9.0V
P-CON
COM VCC
AC-HI
CD 6.2V
(Page 30)
D-GND
S-GND
CNP391
10P
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.
POWER AMP
IC390
BA5417
C296
1
50V
C196
1
50V
R298
1k
D394
1SS355TE
-17
Q390
C391
KTC2026Y
0.01
+6.2V
REGULATOR
R297
15k
D391
R391
R198 R392 1SS355TE
100
1k 150 -17
D392 C392
UDZ-TE-17 220
-6.8B 10V
R197
C393
15k
100
10V
C394
Q391
0.01 DTC114EKA-T146
KTC2026Y
POWER ON/OFF
CD +6.2V
CONTROL
REGULATOR
R393 R394
10 150
C395
D393
220
MTZJ-6.8B
10V
• 5 : fusible resistor.
• C : panel designation.
Note: The components identified by mark 0 or dotted line
1
/ W or less unless otherwise
4
with mark 0 are critical for safety.
Replace only with part number specified.
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
D906 R901
10
1SS355TE-17 100
50V
C907
0.1
D905 R902
1SS355TE-17 100
C902 D902 D901 C901
1 2A02M 2A02M 1
Q392
KTA1271Y-AT
B+ SWITCH
C904 D904 D903 C903
1 2A02M 2A02M 1
R396
47k
R395
1k
Q393
D907
1SS355TE
-17
C910
4700
16V
D908 D909
UDZ-TE-17-2.7B 1SS355TE-17
R903
1
D910
RB441Q-40-T77
• 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
35 35
CNP392
4P
(L-CH)
(R-CH)
J301
L190
1µH
L290
1µH
T901
POWER TRANSFORMER
J901
~
AC IN
CNP902 CN902
C905
3P 3P
0.1
F901
2.5A
250V
D914
1SS355TE-17
D913
1SS355TE-17
CNP901
3P
CN901
3P
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)
• Voltages are taken with a VOM (Input impedance 10 MΩ).
Voltage variations may be noted due to normal produc-
tion tolerances.
• Signal path.
F
CFD-E75L
: AUDIO