Philips DVP3880K/55 Service Manual page 31

A
Main Board Circuit Diagram:power supply
M5V
TO POWER BOARD
XP1 XP1
Imax=1000mA
5pin/2.5mm 5pin/2.5mm
1
2
GND
3
1 +12VCC
4 50mA
GND
5
+12V: +12V(+-10%)
R5 R5
4
LED/PCON
+5V: +5V(+-2.5%)
1K 1K
R4 R4
4.7K 4.7K
Q3 Q3
8550D 8550D
R8 R8 R9 R9
22K 22K 10K 10K
2
M5V
R147 R147
1.8/2W 1.8/2W
3.3V for 8203R and peripherals
TR_B3 Q4 Q4
TR_B3 4
2SS8550D(EBC,1.5A,1W) 2SS8550D(EBC,1.5A,1W)
R11 R11
EC3 EC3
20K/1% 20K/1%
220uF/16V 220uF/16V 0.1uF 0.1uF
REG03
REG03 4
3
R12 R12
12K/1% 12K/1%
GND
GND
4
A
6-4
B
R13 R13 0R 0R
Q1 Q1
8550D 8550D RFA5V
P+5V
C1 C1
1uF 1uF C5 C5
0.1uF/NC 0.1uF/NC
R3 R3
3.3K 3.3K
R6 R6
NC/0 NC/0
Q2 Q2
BT3904 BT3904
+12V
USB_PCON
7
USB_PCON
VCC3
DVCC3
RF3.3V USB_VCC
Servo
C8 C8
USB
R40 R40 OR OR R38 R38 2.2 2.2
close to EC5 EC5 EC11 EC11
EC4 EC4 C10 C10 C9 C9 NC/100uF/16V NC/100uF/16V
8203R
NC/100uF/16V NC/100uF/16V 0.1uF 0.1uF NC/100uF/16V NC/100uF/16V 0.1uF 0.1uF
close to
GND
8203R
RFGND GND
PLLVCC3
VVCC3 AD_VCC3
Video ADC PLL
R41 R41 OR OR
C18 C18 C11 C11
EC10 EC10 C19 C19 0.1uF 0.1uF
100uF/16V 100uF/16V 0.1uF 0.1uF 0.1uF 0.1uF
GND GND GND
SPI_VCC3
AVCC3
Audio SPI Flash
R16 R16 2.2R 2.2R
close to
EC12 EC12 C21 C21
100uF/16V 100uF/16V 0.1uF 0.1uF 8203R
GND
B
6-4
C
5V for peripherals
A+5V
P+5V
R39 R39 2.2 2.2
Power Bead > 2A, RAC@100 MHz
= 70 ohm, RDC(max)= 0.4 ohm
VCC5
M5V
C6 C6 EC2 EC2
0.1uF 0.1uF 100uF/16V 100uF/16V GND RFGND
GND
R10 R10
5.6/1W 5.6/1W
TR_B1 Q5 Q5
TR_B1 4 1.2V for core of 8203r
2SS8550D(EBC,1.5A,1W) 2SS8550D(EBC,1.5A,1W)
HAVCC
HDMI
VCC1.2
Digital
L5 L5 FB500 FB500
EC8 EC8 C16 C16 C14 C14 EC7 EC7 C12 C12
100uF/16V 100uF/16V 0.1uF 0.1uF 0.1uF/NC 0.1uF/NC 22uF/16V 22uF/16V 0.1uF 0.1uF
REG01
4
REG01
GND HGND
C
D E
GND HGND
REG01
VCC1.2
C15 C15
0.1uF 0.1uF
D E
1
2
4
3
4