Main Board Circuit Diagram: Power Supply - Philips HTS3510 Service Manual

7-5
A

Main Board Circuit Diagram: POWER SUPPLY

5V_STB
1
POWER_control
PCON:
L: STBY.
H: Working.
2
TO POWER BOARD
9 5V/12V
9
8
8
7 POWER_ON/OFF Imax 2A
7 POWER_ON/OFF
6
6
5
5
GND
4
4
3 +12VIN
3
GND
2
2
1 -27VIN
1
XP1 XP1
9PIN/2.5mm 9PIN/2.5mm C8 C8 C9 C9
0.1uF 0.1uF 0.1uF 0.1uF
+12V: +12V(+-10%)
+5V: +5V(+-2.5%)
3
-27VIN
4
A
B
+12VIN
Q1 Q1
3CG3906M 3CG3906M
R1 R1
4.7K 4.7K
R2 R2 EN2
1K 1K
R3 R3 EN1 5V_STB
4.7K 4.7K
R4 R4
Q2 Q2
3DG3904M 3DG3904M
R15 R15
1K 1K
4.7K 4.7K
R9 R9
TU_PCON
1K 1K
T_5V/12V
Q3 Q3
MMBT8550C MMBT8550C
R6 R6
R5 R5 4.7K 4.7K
22K/NC 22K/NC R8 R8
4.7K 4.7K
TU_EN
5V_STB
MO_VCC 5V VCC
3402
5V
D S
AO3414 AO3414 L1 L1
FB10 ~80 FB10 ~80
C6 C6
Q4 Q4
0.1uF 0.1uF C3 C3 C4 C4
0.1uF 0.1uF 0.1uF 0.1uF 0.1uF 0.1uF
R10 R10
10K 10K
R12 R12
100 100
EN2
Q7 Q7
L2 L2 +12V
2 3 +12V
S D
AO3401 AO3401
FB10 ~80 FB10 ~80
C10 C10
0.1uF 0.1uF
R13 R13
10K/NC 10K/NC R14 R14 100 100
EN1
5V_STB
Q16 Q16
3CG3906M 3CG3906M
R25 R25
R26 R26 3k/NC 3k/NC 10K 10K EN1
R27 R27 2K 2K
Q15 Q15 L5 L5
PWRMOSFET_EN_DGS_9 PWRMOSFET_EN_DGS_9
-27V
C16 C16 FB10 ~80 FB10 ~80
0.1uF 0.1uF
5V_STB 3 2
input output
+ + CE63 CE63
47uF/16V 47uF/16V
4
Vout
+ + C247 C247
CE62 CE62
0.1uF 0.1uF
47uF/16V 47uF/16V U20 U20
1117-33 1117-33
B
C
5V_STB
R11 R11
4.7K 4.7K
TU_EN
Q5 Q5
3DG3904M 3DG3904M
MO_VCC
880mA 370mA
D1 D1
C5 C5
RL207 RL207 R336 R336
440mA 4.3 4.3
R337 R337
1 1
DV33
Q36 Q36
TR_B1
3CA8550D 3CA8550D
R338 R338 20K/1% 20K/1%
REGO1
+ +
CE40 CE40
R340 R340 12K/1% 12K/1% 220uF/16V 220uF/16V
RESET Circuit
DV33
D2 D2
LL4148 LL4148
R342 R342
10K 10K
MPEG_RST
MPEG_RST
R391 R391 R343 R343
1K 1K 1K 1K
+ +
CE41 CE41
10uF/16V 10uF/16V
+3.3V_STB
C248 C248
0.1uF 0.1uF
C
7-5
D E
DV33 RFV33
RFV33
FB2 FB2
FB500/0.2A FB500/0.2A
+ +
CE37 CE37 C144 C144
0.1uF/25V 0.1uF/25V
47uF/16V 47uF/16V
DV33
89S_3V3
FB3 FB3
FB500/0.5A FB500/0.5A
+ +
CE38 CE38 C145 C145
0.1uF 0.1uF
47uF/16V 47uF/16V
DV33 +3.3V_STB
R334 R334 R335 R335
10K 10K 10K 10K
1 LOAD-
1
LOAD+
2
2
3 TROUT
3
4
4
5 TRIN
5
XP12 XP12
5PIN/2.0mm 5PIN/2.0mm R7 R7 1K 1K
25mA
V18
Q37 Q37
TR_B2
3CA8550D 3CA8550D
V18
+ +
R339 R339 5.1K/1% 5.1K/1% CE39 CE39 C146 C146
0.1uF 0.1uF
220uF/16V 220uF/16V
C147 C147
REGO2
0.1uF 0.1uF
R341 R341 10K/1% 10K/1%
URST#
D E
1
2
load- 2
load+ 2
TROUT 2
TRIN 2
TRAY_DEC
3
4