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

CFD-E75
Q Q
3 7 6 3 1 5 1 5 0
6-4. BLOCK DIAGRAM – POWER SUPPLY Section –
MAIN BOARD (4/4)
RMC 2
SYSTEM
CONTROLLER
IC801
(3/3)
CD B+
CD VCC 3.3V
CD 18
T E
L 1 3 9 4 2 2 9 6 5 1 3
RADIO 65
ELECTRICAL VOLUME (IC320) B+
P-CON 19
µCOM (VDD) B+
RESET SIGNAL
RST 30 GENERATOR
REG CHK 21
w w w
TC PLAY 80
CNP801
5 5
ı ı
24 24
38 38
ı ı
41 41
26 26
CN322
(2/2)
11 11
CD 6.2V
CD 6.2V
CD +3.3V CD B+
REGULATOR SWITCH
Q325, 326 Q325, 326
TUNER B+
TUNER VCC 6V SWITCH
Q322, 323
1 1
TC 6V, AU 6.2V
D324
RCM 5V
7 7
TC 9V
OPR/BATT B+,
TC POWER B+
8 8
P-CON
COM +3.3V 9 9
COM VCC
REGULATOR
IC803 IC321
BATTERY
D323
CHECK
Q328, 329
D322
10 10
AC-HI
CNP321
6
TC POWER
B+
5
4
x a o
y
3
. i
1
2
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LCD BOARD
LIQUID CRYSTAL
DISPLAY
LCD801
REMOTE AAAA
CONTROL BBBB
RECEIVER CCCC
DDDD IC804
CNP811
CN391
(2/2)
CD +6.2V
REGULATOR
Q391
POWER AMP
(IC390) B+
Q Q
3 7 6
+6.2V
REGULATOR
Q390
B+ SWITCH
Q392, 393
S303
(MOTOR ON/OFF)
M301 u 1 6 3
M M
(CAPSTAN/REEL)
S304
(TAPE PLAY)
22 22
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2 4
8 9 9
POWER BOARD (2/2)
AC INLET BOARD
T901
POWER
D905
TRANSFORMER
D906
3 1 5 1 5 0 8 9 2
CNP902 CN902
1 1
RECT
D901 – 904
2 2
3 3
BATY A BOARD
CNP901 CN901
1 1
2 2
m
c o
3 3
.
2
8 9 9
J901
- AC IN
4 9 8 2 9 9
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)
BACK-UP
BOARD
BATY B BOARD