Sony CFD-E75 - Block Diagram - POWER SUPPLY Section

CFD-E75
2222
6-4. BLOCK DIAGRAM – POWER SUPPLY Section –
2
42 – 61
SEG0 – SEG19
38 – 41
COM0 – COM3
RMC
18CD
65RADIO
19P-CON
30RST
21REG CHK
80TC PLAY
3
10
4
5
ı
24
38
ı
41
26
LIQUID CRYSTAL
DISPLAY
LCD801
AAAA
BBBB
CCCC
DDDD
REMOTE
CONTROL
RECEIVER
IC804
CNP801
CNP811
LCD BOARDMAIN BOARD (4/4)
SYSTEM
CONTROLLER
IC801
(3/3)
6
7
5
CN322
(2/2)
CD B+
SWITCH
Q325, 326
CD +3.3V
REGULATOR
Q325, 326
TUNER B+
SWITCH
Q322, 323
RADIO 6V
CD 3.3V
TC 6V,
ELECTRICAL VOLUME (IC320) B+
RMC 5V
COM +3.3V
REGULATOR
IC321
RESET SIGNAL
GENERATOR
IC803
BATTERY
CHECK
Q328, 329
µCOM B+
OPR/BATT B+,
TC POWER B+
D324
D323
D322
5
6
4
3
2
1
MM
S303
(MOTOR ON/OFF)
M301
(CAPSTAN/REEL)
S304
(TAPE PLAY)
CNP321
TC POWER
B+
8
1
7
5
4
6
CN391
+6.2V
REGULATOR
Q390
B+ SWITCH
Q392, 393
CD 6.2V
CD 6.2V
AU 6.2V
TC 9V
P-CON
COM VCC
AC-HI
POWER AMP
(IC390) B+
CD +6.2V
REGULATOR
Q391
1
3
2
CNP902
1
3
2
RECT
D901 – 904
D905
D906
T901
POWER
TRANSFORMER
1
2
CNP901
3
1
2
3
BATY B BOARD
CN902
J901
- AC IN
POWER BOARD (2/2)
AC INLET BOARD
CN901
BATY A BOARD
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
CD B+
5
ı
24
38
ı
41
26