Block Diagram - Power Supply Section - Sony CFD-E77L Service Manual

CFD-E77L
Q Q
3 7 6 3 1 5 1 5 0
T E
L 1 3 9 4 2 2 9 6 5 1 3
w w w
6-4. BLOCK DIAGRAM – POWER SUPPLY Section –
RMC 2
SYSTEM
CONTROLLER
IC801
(3/3)
CD 18
RADIO 65
P-CON 19
RST 30
REG CHK 21
x a o
y
TC PLAY 80
. i
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LIQUID CRYSTAL
DISPLAY
LCD801
REMOTE AAAA
CONTROL BBBB
RECEIVER CCCC
DDDD IC804
CD 6.2V
CD B+
CD +3.3V CD B+
CD 3.3V REGULATOR SWITCH
Q325, 326 Q325, 326
TUNER B+
Q Q
RADIO 6V
SWITCH 3 7 6
Q322, 323
TC 6V,
ELECTRICAL VOLUME (IC320) B+
D324
RMC 5V
TC POWER B+
D401
OPR/BATT
µCOM B+
RESET SIGNAL COM +3.3V
GENERATOR REGULATOR
IC803 IC321
BATTERY
D323
CHECK
Q328, 329
D322
TC POWER
B+
S303
(MOTOR ON/OFF)
M301
M
(CAPSTAN/REEL)
u 1 6 3
S304
.
(TAPE PLAY)
22 22
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2 4
8 9 9
CD +6.2V
REGULATOR
Q391
POWER AMP
(IC390) B+
D905
D906
3 1 5 1 5 0 8 9 2
+6.2V
REGULATOR
Q390
B+ SWITCH
Q392, 393
DRY BATTERY
SIZE"D"
(IEC DESIGNATION R20)
6PCS. 9V
(FOR POWER SUPPLY)
m
c o
2
8 9 9
T901
POWER
TRANSFORMER
J901
AC IN
4 9 8 2 9 9
RECT
D901 – 904
DRY BATTERY
SIZE"AA"
(IEC DESIGNATION R6)
3PCS. 4.5V
(FOR BACK UP)