Block Diagram - Power Supply Section - Sony CFD-E55L Service Manual

Q Q
3 7 6 3 1 5 1 5 0
6-4. BLOCK DIAGRAM – POWER SUPPLY Section –
FROM MAIN SECTION
F
CD-ON
(Page 21)
LCD BOARD (3/3)
SYSTEM CONTROLLER
IC501 (3/3) BH501
(2/4)
4
RADIO
RADIO 70
BH502
(2/3)
8
P-CON
P-CON 21
5
OPR/BATT
T E
L 1 3 9 4 2 2 9 6 5 1 3
OPR/BATT B+
BH501
(3/4)
AC, BATTERY
8 REG
REG CHK 80 CHECK
Q501
RESET SIGNAL
RST 30 GENERATOR
IC503
BH502
(3/3)
+5V
3 U-COM (VDD)
BACK UP B+ REGULATOR
IC502
10
DC1
DC1 22
11
DC2
DC2 23
12
DC3
DC3 24
BH501
(4/4)
9
MOTOR ON
MOTOR ON 65
w w w
11
TC-PLAY
.
TC-PLAY 79
05
– 23 –
CD BOARD (2/2)
CNP704 BH351
PVDD 3 3
6V
CD MOTOR/COIL
DRIVER (IC702) B+
BH701
1 1
5V
DVDD CD B+ SWITCH
(2/2)
CD SECTION B+ Q702, 703
5
MAIN BOARD (3/3)
ELECTRICAL VOLUME,
SOUND CONTROL
CNP307 BH353
(IC302) B+
(2/2) (2/2)
TUNER B+ 7 7
CNP305 RADIO 6V 6V
SWITCH
(2/4)
TUNER SECTION B+
Q361, 362
4
COM 5V +5V
8 8
5V
REC/PB EQ AMP (IC301), REGULATOR
TUNER SECTION B+ Q354
D363
5 5 VDD (S.W)
VT B+ B+ SWITCH
PLL L.P.F. CIRCUIT B+ Q351, 352
CNP306
(2/3)
8 6 6
P-CON P-CON
TO MAIN SECTION
5
REGULATOR
CNP305
Q374
(3/4)
AC, BATTERY
8
CHECK
Q373
D362
AC, BATTERY
CHECK
CNP308
Q375
CNP306
(3/3)
3
D361
10
DC LEVEL DETECT
Q367, 370
11
DC LEVEL DETECT
Q368, 371
12
DC LEVEL DETECT
Q369, 372
CNP309
1
B+ (VDD S.W)
S303
(MOTOR ON/OFF)
CNP305
2
(4/4)
9 3
MOTOR DRIVE
Q364, 365
M301
M M
(CAPSTAN/REEL)
MOTOR BRAKE
4
SWITCH
x a o
Q366
y
S304
(TAPE PLAY)
11 5
i
6
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POWER BOARD (2/2)
POWER AMP
(IC303) B+
+6V
REGULATOR
Q353
T901
POWER
D908
TRANSFORMER
J901
- AC IN
D909
G
Q Q
(Page 22) 3 7 6 3
RECT
D901 – 904
BATT (+)
BOARD
BH354
D910
1 1
AC-HI
CNP351 BH902
D907
6 6 1 1
U-COM (VDD)
4.5V
2 2
9V
5 5
DC1
BH901
4 4 3 1
DC2 DC2
4
3 3 2
DC3 DC3
5
3
GND
BATT (–)
BOARD
u 1 6 3
.
– 24 –
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CFD-E55L
2 4
8 9 9
1 5 1 5 0 8 9 2
DRY BATTERY
SIZE "AA"
(IEC DESIGNATION R6)
3PCS. 4.5V
(FOR BACK UP)
DRY BATTERY
SIZE "D"
(IEC DESIGNATION R20)
6PCS. 9V
(FOR POWER SUPPLY)
m
c o
2
8 9 9
4 9 8 2 9 9