Decoder Power Supply - Philips DVD590M Service Manual

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1

DECODER POWER SUPPLY

SYSTEM BOARD POWER CONNECTOR
L19
FB (0805)
A
L3
FB (0805)
L21
L
J15
+2V5
6
+3V3/GND
5
+12V
4
GND
3
GND
2
+5V
1
B
POWER CON (6PIN/2.54mm)
L17
FB (0805)
NOTE: J15 ,5PIN POWER SELECT
J15 ,5PIN
+3V3 POWER SELECT
+3V3
L3=FB,L21=0.1P
GND
L3=OPEN,L21=FB
C
5V
Q9
L1117-3.3V /1A (TO252)
3
2
IN
OUT
BC67
BC68
0.1U
0.1U
NOTE:If power provide +3V3 then don't mount Q9
D
1
6-6
2
3
5V
L15
FB (0805)
TC16
VD25D
100U/10V
BC42
0.1U
VD33D
L16
FB (0805)
TC17
+12V
100U/10V
5V
+
TC18
BC58
220U/10V
0.1U
D7
VD33D
VD33D
Q8
5V
L1117-2.5V / 1A ( TO252 )
D6
2
1
3
IN
+ TC26
1N4002
BC64
100U/10V
0.1U
NOTE:If power provide +2V5 then don't mount Q8
SYSTEM
REGULATOR
L1117: FOR ALL
SYSTEM USED
2
3
4
VD25D
VD25PLL
RF50V
R98
3.3 (0805)
BC56
TC21
+
0.1U
+
100U/10V
MVCC
VD25A
L14
FB (0805)
BC57
TC15
+
+
0.1U
100U/10V
MGND
OPEN
AD5V
VD25D
2
OUT
BC63
+ TC23
BC65
+ TC29
0.1U
100U/10V
0.1U
100U/10V
4
6-6
5
6
VD33D
PLL33V
R97
3.3 (0805)
BC61
TC19
BC59
+
0.1U
100U/10V
0.1U
RF33V
L20
FB (0805)
BC55
TC22
BC62
+
0.1U
100U/10V
0.1U
VD33A
L18
1UH (0805)
TC20
BC60
+
100U/10V
0.1U
TV-GND
12V
U12
78M05CDT
1
3
OUT
IN
TC25
+
BC66
100U/16V
0.1U
5V
78M05CDT TO-92
78M05CDT SOT-89
A-GND
5
6
A
B
C
GND
78M05
GND
12V
D

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