Philips HTD5540/12 Service Manual page 34

7-3
Main Board Circuit Diagram:Power
A
TO POWER BOARD
XP751 XP751
12 : PVDD
11 : PVDD 12
12
10 : PVDD 11
11
9 : PGND 10
10
8 : PGND 9
9
7 : PGND 8
8
7
1 6 : +5V
7
6
5 : +5V
6
4 : GND 5
5
4
3: GND
4
2 : +12V 3
3
2
1 : PCON
2
1
1
12PIN/2.0mm 12PIN/2.0mm
+12V: +12V(+-10%)
+5V: +5V(+-2.5%)
2
VCC
R763 R763
1.8/2W 1.8/2W
TR_B1
REG01
TR_B3 Q756 Q756
TR_B3 4
PNP_3CA8550D PNP_3CA8550D
R765 R765
3
CE754 CE754
20K/1% 20K/1%
+ +
REG03 100uF/16V 100uF/16V
4
REG03
R768 R768
12K/1% 12K/1%
4
A
B
PVDD
FB1501 FB80@100MHz FB1501 FB80@100MHz
FB1502 FB80@100MHz FB1502 FB80@100MHz
Q752 Q752
PNP_MMBT8550CLT1 PNP_MMBT8550CLT1
+P12V
AMP_ON/OFF
AMP_ON/OFF
R775 R775
22K 22K
C753 C753
C770 C770 C771 C771 C772 C772 C768 C768
NC/0.1uF/25V/Y5V NC/0.1uF/25V/Y5V
R757 R757
1.2K 1.2K
R758 R758 10K 10K Q753 Q753
4
POWER_ON/OFF
NPN_3DG3904M NPN_3DG3904M
R759 R759
10K 10K
R764 R764
5.6/1W 5.6/1W
TR_B1 Q757 Q757
4 1.2V for core of 8203R
PNP_3CA8550D PNP_3CA8550D
HDMI
VCC1.2
HAVCC
FB751 FB751 500/500mA 500/500mA
CE757 CE757
+ + C757 C757 CE758 CE758 C759 C759 C760 C760
+ +
100uF/16V 100uF/16V
22uF/16V 22uF/16V
REG01
4
3.3V for 8203R and peripherals
DVCC3
VCC3
C756 C756 RF3.3V USB_VCC
+ +
Servo
FB752 FB752 0 0 R767 R767 2.2 2.2 USB
C761 C761 close to
C762 C762
CE756 CE756 + + + CE759 + CE759
8203R 0.1uF/25V/Y5V 0.1uF/25V/Y5V
NC/100uF/16V NC/100uF/16V
close to
8203R
VVCC3 AD_VCC3
Video ADC
FB754 FB754
FB753 FB753 500/500mA 500/500mA
CE760 CE760
C763 C763 C764 C764
+ +
0.1uF/25V/Y5V 0.1uF/25V/Y5V 0.1uF/25V/Y5V 0.1uF/25V/Y5V
100uF/16V 100uF/16V
SPI_VCC3
AVCC3
Audio SPI Flash
R771 R771 2.2 2.2
CE762 CE762 C767 C767
close to
+ +
8203R
100uF/16V 100uF/16V
B
C D
VCC M5V ST5V
S
+12V
CE752 CE752
+12V + + C751 C751
R752 R752
NC/100uF/16V NC/100uF/16V
CE753 CE753 0.1uF/25V/Y5V 0.1uF/25V/Y5V 22K 22K
R756 R756 + + C754 C754
4.7K 4.7K
47uF/16V 47uF/16V 0.1uF/25V/Y5V 0.1uF/25V/Y5V
D75 D75
1
EN1
EN1 7
3
BAT54C BAT54C
2 EN2
EN2
Digital
CE764 CE764
NC/100uF/16V NC/100uF/16V
PLLVCC3
PLL
0 0
C765 C765
0.1uF/25V/Y5V 0.1uF/25V/Y5V
C D
7-3
E
P+5V
A+5V To Servo
R751 R751
Q751 Q751
D
2.2 2.2
C752 C752
P_AO3401A P_AO3401A
+ +
1uF/25V/Y5V 1uF/25V/Y5V CE751 CE751
100uF/16V 100uF/16V
5V for peripherals
R754 R754
1K 1K
EN1
VCC3
Q758 Q758 VCC3.3V
S D
R774 R774
P_AO3401A P_AO3401A
22K 22K
R773 R773
1.2K 1.2K
E
1
2
3
4