Philips DVP2851/55 Service Manual page 26

6-1
Power & Front Control Board Circuit Diagram for DVP2851/55:Power Supply
5
D
AC INPUT
2PIN/7.92mm 2PIN/7.92mm
1
2
CN501 CN501
C
B
A
5
4
* CAUTION :
THE PARTS MARKED WITH
PLEASE USE THE PARTS HAVING THE DESIGNATED PARTS NUMBER WITHOUT FAIL.
L501 L501
HV: HV1
680uH/300mA 680uH/300mA
F501 F501 GND: GND1 GND2
10 ohm2W 10 ohm2W FB501 FB501
FB80@100MHz FB80@100MHz
D501 D501 D502 D502
1N4007/1A/1000V 1N4007/1A/1000V
HV1
1N4007/1A/1000V 1N4007/1A/1000V
1
2 D503 D503 D504 D504
C501 C501
+ +
1N4007/1A/1000V 1N4007/1A/1000V 1N4007/1A/1000V 1N4007/1A/1000V 10uF/400V 10uF/400V
20mH 20mH
LIF503 LIF503
GND1
C504 C504 R502 R502 R503 R503
150K 150K 150K 150K
D507 D507
1N4007/1A/1000V 1N4007/1A/1000V
R515 R515
D508 D508
NC ZD502 NC ZD502 C509 C509 FR104/1A/400V FR104/1A/400V
10K 10K
+ + + + C512 C512
10uF/50V 10uF/50V 10uF/50V 10uF/50V
R506 R506
680 680
R513 R513
ZD501 ZD501
100K 100K
BZX79C9V1 BZX79C9V1
U501 U501
TNY176DG TNY176DG
4
3
ARE IMPORTANT PARTS ON THE SAFETY.
HV2
HV2
C502 C502
+ +
15uF/400V 15uF/400V
GND2
7
T501 T501
6
4
8
10
L502 L502
D509 D509
2
SR360/3A/60V SR360/3A/60V
6.8uH/2.4A 6.8uH/2.4A
11
C507 C507
+ +
1 9 1500uF/16V 1500uF/16V
R509 R509
BCK-2838 BCK-2838
100 100
R508 R508
1K 1K
U502 U502
PS2561L1 PS2561L1
R510 R510 C511 C511
10K 10K 0.1uF/50V/X7R 0.1uF/50V/X7R
U503 U503
1
H431 H431
CY501 CY501
1000pF/250VAC 1000pF/250VAC
3
6-1
2 1
GND_POWER
GND_POWER
+5V
+5V
+ + C508 C508
470uF/16V 470uF/16V
R505 R505
12K/1% 12K/1%
R507 R507
11.3K/1% 11.3K/1%
2 1
D
C
B
A