Philips BDP2600/12 Service Manual page 21

6-2
A
Main Board Circuit Diagram:POWER SOURCE
1
VCC
R24 R24
10K 10K
R30 R30 NC/0 NC/0 EN
EN
R27 R27 1K 1K Q2 Q2
OPWRSB 9
NPN_3DG3904M NPN_3DG3904M
2
RESET
C
VCC 3.3V_STBY 2 CIRCUIT
B E
1 3
2N3904
R181 R181 R176 R176 R179 R179
12K 12K 3.3K 3.3K 10K 10K
RESET_1 RESET_1
R177 R177 100 100 RESET_
RESET_
R182 R182 Q15 Q15 Q16 Q16 C214 C214
2.7K 2.7K NPN_3DG3904M NPN_3DG3904M NPN_3DG3904M NPN_3DG3904M 10uF/10V/Y5V 10uF/10V/Y5V
3.3V_STBY
VCC
1 5 100MA(Max)
3
VIN VOUT
close to LDO
C215 C215
C31 C31
2
GND
4.7uF/10V/Y5V 4.7uF/10V/Y5V
2.2uF/10V/Y5V 2.2uF/10V/Y5V
3 4
EN NC
U6 U6
LDO_G9091-330T11U LDO_G9091-330T11U STBY
3.3V
POWER
4
A
B
C3 C3
VCC 0.1uF/16V/Y5V 0.1uF/16V/Y5V
R1 R1 10 10 1
VCC
EN 5
EN
3
GND
C324 C324
0.1uF/16V/Y5V 0.1uF/16V/Y5V 9
TP
U4 U4
AT1526 AT1526
VCC C34 C34 C11 C11
R8 R8 10 10 0.1uF/16V/Y5V 0.1uF/16V/Y5V 1 8
VCC VIN
7
LX
EN 5
EN
4
FB
3
GND
2
REF
9 6
TP PGND
C30 C30
0.1uF/16V/Y5V 0.1uF/16V/Y5V U7 U7
AT1526 AT1526
VCC
4 5
VPP NC
9
3 6
C8 C8
VIN VO
10uF/10V/Y5V 10uF/10V/Y5V EN 2 7
VEN ADJ
R25 R25 10K 10K 1 8
POK GND
9
TP
U5 U5
LDO_G9661 LDO_G9661
C33 C33
0.1uF/16V/Y5V 0.1uF/16V/Y5V
B
C
C4 C4
1.2V
0.1uF/16V/Y5V 0.1uF/16V/Y5V
Close to DC-DC
C5 C5
10uF/10V/Y5V 10uF/10V/Y5V
8 R9 R9
VIN
2K/1% 2K/1%
7 L1 L1 2.2uH/3A 2.2uH/3A
LX
C327 C327
4 1.2V_FB C10 C10 R2 R2 22uF/6.3V/Y5V 22uF/6.3V/Y5V
FB
22uF/6.3V/Y5V 22uF/6.3V/Y5V
5.6K/1% 5.6K/1%
2 C326 C326
REF
0.1uF/16V/Y5V 0.1uF/16V/Y5V
1.2V_FB
6
PGND
C325 C325
0.1uF/16V/Y5V 0.1uF/16V/Y5V
R7 R7
15K/1% 15K/1%
behind of Caps
C216 C216
1.5V
0.1uF/16V/Y5V 0.1uF/16V/Y5V
1.2A
10uF/10V/Y5V 10uF/10V/Y5V
R928 R928
560/1% 560/1%
C14 C14 C218 C218
L7 L7 2.2uH/3A 2.2uH/3A 22uF/6.3V/Y5V 22uF/6.3V/Y5V 0.1uF/16V/Y5V 0.1uF/16V/Y5V
C20 C20
22uF/6.3V/Y5V 22uF/6.3V/Y5V R4 R4
C2 C2
13K/1% 13K/1%
0.1uF/16V/Y5V 0.1uF/16V/Y5V
C217 C217
0.1uF/16V/Y5V 0.1uF/16V/Y5V R5 R5
15K/1% 15K/1%
3.3V
R26 R26
15K/1% 15K/1%
C12 C12 C221 C221
22uF/6.3V/Y5V 22uF/6.3V/Y5V 0.1uF/16V/Y5V 0.1uF/16V/Y5V
R28 R28
4.7K/1% 4.7K/1%
1.2V +12V +12V VCC
R965 R965
U10 U10
R298 R298 R300 R300 P_AO4803 P_AO4803
1K 1K 20K 20K 1
S1 D1
2
G1 D1
3
S2 D2
R299 R299 100K 100K 4
G2 D2
R964 R964
Q210 Q210
NPN_3DG3904M NPN_3DG3904M
R297 R297 C302 C302
10K 10K
VCC VCC_D
0.1uF/16V/Y5V 0.1uF/16V/Y5V
S D
Q209 Q209
NC/P_AO3401A NC/P_AO3401A
C
6-2
D E
NC/0 NC/0
8
VCC_D
7
6
+12V_D
5
C300 C300 C317 C317
0.1uF/16V/Y5V 0.1uF/16V/Y5V 0.1uF/16V/Y5V 0.1uF/16V/Y5V
NC/0 NC/0
D E
1
2
3
4