Philips MCD120 Service Manual page 17

CIRCUIT DIAGRAM - DVD BOARD
PART 5
System +5V
P+5V DVCC
L11 L11 FB FB
EC16 EC16 BC34 BC34 EC18 EC18 BC39 BC39
D1 D1
P+5V
220uF/16V 220uF/16V 0.1uF 0.1uF 100uF/16V 100uF/16V 0.1uF 0.1uF
TR_B1
GND GND
Servo MOTOR +5V
M+5V
L19 L19 FB FB
BC43 BC43
REG01
0.1uF 0.1uF
RFGND
Servo analog +5V
A+5V
R98 R98 2.2 2.2
BC37 BC37
0.1uF 0.1uF
RFGND
System +5V
Video buffer +5V
V+5V 260mA
L17 L17 FB FB
EC20 EC20 BC41 BC41
220uF/16V 220uF/16V 0.1uF 0.1uF
VGND
D3 D3 1N4007 1N4007
VCC5
Q20 Q20
2SS8550D(EBC,1.5A,1W) 2SS8550D(EBC,1.5A,1W)
TR_B3
2
VCC1.8 8202 kernel +1.8V
L23 L23 FB FB
EC23 EC23 BC47 BC47 BC48 BC48
R109 R109
4.7K 1% 4.7K 1% 220uF/16V 220uF/16V 0.1uF 0.1uF 0.1uF 0.1uF
REG03 GND
GND
R110 R110
10K 1% 10K 1%
AGND
GND
P+12V AVCC12 GND
R112 R112 33 33
EC25 EC25
100uF/16V 100uF/16V GND
AGND
GND
7 - 5
1N4007 1N4007
VCC5
Q19 Q19
2SS8550D(EBC,1.5A,1W) 2SS8550D(EBC,1.5A,1W)
2
DVCC3 SDRAM +3.3V
L8 L8 FB FB
SD_VCC3
EC17 EC17 BC38 BC38
R101 R101
20K 1% 20K 1% 220uF/16V 220uF/16V 0.1uF 0.1uF
GND
close to
R102 R102
8202L
RF +3.3V
12K 1% 12K 1%
L16 L16 FB FB
RF3.3V
EC19 EC19 BC40 BC40
GND
100uF/16V 100uF/16V 0.1uF 0.1uF
RFGND
PLL +3.3V
PLLVCC3
R107 R107 33 33
BC42 BC42
0.1uF 0.1uF
GND
Video DAC +3.3V
VVCC3
L20 L20 FB FB
EC22 EC22 BC44 BC44
220uF/16V 220uF/16V 100pF 100pF
VGND
USB_PLLVCC3
L22 L22 FB FB
PLLVCC1.8
BC46 BC46
0.1uF 0.1uF
GND
Internal DA +3.3V
AVCC3
R111 R111 33 33
close to
VGND
EC24 EC24 BC49 BC49
8202L
220uF/16V 220uF/16V 0.1uF 0.1uF
VGND
AGND
TR_B1
TR_B1
TR_B3
TR_B3
AGND REG01
REG01
REG03
REG03
RFGND
Power Bead > 2A, RAC@100 MHz
= 70 ohm, RDC(max)= 0.4 ohm
P+5V
CN4 CN4
1 L24 L24 FB FB
12V
2
GND
FB FB
3 L27 L27
P+5V
R120 R120
4
5 4.7K 4.7K
GND
STB_LED
POWER CON
POWER/2.5 POWER/2.5
GND
CN9 CN9 L18 L18 FB FB
P+5V
1
R103 R103 22 22
2 USB_DM 2
R104 R104 22 22
3 USB_DP 2
4 GND
NC/HEADER4-2.0 NC/HEADER4-2.0
+ + R105 R105 R106 R106
EC21 EC21 15K 15K 15K 15K
100UF16V 100UF16V
GND
GND GND
CN10 CN10
MUTE
L12 L12 FB FB
1
AUDIO_MUTE
2
L14 L14 FB FB STB_LED
2
3 L15 L15 FB FB AFR
4
5
L21 L21 FB FB AFL
6 GND
TO DIGITAL AMP TO DIGITAL AMP
DVCC
CN8 CN8
F_CLK L9 L9 FB(0603) FB(0603)
1
F_STB
2 L10 L10 FB(0603) FB(0603)
3
F_DAT
4 L13 L13 FB(0603) FB(0603)
F_IR
L7 L7 FB(0603) FB(0603)
5
6 L28 L28 FB FB
DVCC
7
C49 C49 C50 C50 C51 C51 C52 C52 C61 C61
IR/VFD/2.0 IR/VFD/2.0
33PF 33PF 33PF 33PF 33PF 33PF 33PF 33PF 104 104
GND
L25 L25 FB FB STB_LED
4
4
4
4
7 - 5
AV2 AV2
3
5 CVB1_O 3
R/V_O
1
5 R/V_O 1
BC2 BC2
15P 15P
VGND
AFR
6
5 AFR
6
B/U_O
4
5 B/U_O
4
BC36 BC36
15P 15P
GND
AFL
9
5 AFL 9
G/Y_O
7
G/Y_O
5 7
BC45 BC45
15P 15P
GND
AV-JACK-1 AV-JACK-1
RN1 RN1
4.7K(8 Pin, 4R) 4.7K(8 Pin, 4R)
VFD_CLK 2
VFD_STB 2
GND
VFD_DATA 2
IR_IN 2 12V
P+12V
1 3
Q12 Q12
R34 R34
APM2301AAC APM2301AAC
100K 100K
R36 R36 10K 10K
2
Q18 Q18
SMD/9014 SMD/9014
GND
2
2
5
5
8
8
VGND