Power Block - Sony DVP-FX700 Service Manual

DVP-FX700
Q Q
3 7 6 3 1 5 1 5 0

2) Power Block

2-1) DC/DC Converter
From BATTERY 7.2V
Si6965
From AC Adapter 9.8V
Si6965
To BATTRY
To BATTRY
BAT _CONT BAT _CONT
PWRCTL_SHDN
PWRCTL_SHDN
PWRCTL_5V
PWRCTL_5V
PWRCTL_3.3V
PWRCTL_3.3V
PWRCTL_LCD PWRCTL_LCD
T E
L 1 3 9 4 2 2 9 6 5 1 3
2-2) Voltage
Voltage
+2.5
2 +3.3
3 +5.0
4 -5.0
5 +9.8(ADP)
+7.2 (BAT)
6 + 7,- 5,+7.5
7 +5 , +3.3
w w w
8 AC550
MAX1744
5V
MAX1775
3.3V
&
2.5V
min max
2.375 2.625
3. 35 3.465
4.75 5.25
-5.25 -4.75
9.0 0.2
6.5 8.4
x a o
y
. i
3-3
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Si3865
Si3865
Si3865
Si3863
Q Q
3 7 6
%
5% MCU(MT 379)
5% MCU(MT 379), CPLD, SDRAM
5% SERVO,DRIVER,P/U, RF(MT 336)
5% AUDIO
DC-DC CONVERTOR, LCD PANNEL
5% LCD
5% LCD
CCFL BACK LIGT (INVERTOR
u 1 6 3
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2 4
8 9 9
BD6111FV
- 5V
LCD B/D
LCD B/D
TL1451
LM1117
BA033LB
MAX1771
3 1 5 1 5 0 8 9 2
m
)
c o
.
3-4
2
8 9 9
E+5V
D+5V
A+5V
A-5V
D+2.5V
D+3.3V
A+3.3V
+7.5V
+17V
-15V
L+5V
L+3.3V L+3.3V
AC550V
4 9 8 2 9 9