Philips AZ5738 Manuel d'entretien - Page 11

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Philips AZ5738 Manuel d'entretien
CIRCUIT DIAGARM - AUDIO BOARD (NEW)
PART 1
System +5V
P+5V
DVCC
L11
L11
FB
FB
EC16
EC16
BC34
BC34
EC18
EC18
BC39
BC39
220uF/16V
220uF/16V
0.1uF
0.1uF
100uF/16V
100uF/16V
0.1uF
0.1uF
GND
GND
Servo MOTOR +5V
M+5V
L19
L19
FB
FB
BC43
BC43
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
EC23
EC23
BC47
BC47
R109
R109
4.7K 1%
4.7K 1%
220uF/16V
220uF/16V
0.1uF
0.1uF
REG03
GND
R110
R110
10K 1%
10K 1%
GND
P+12V
AVCC12
R112
R112
33
33
EC25
EC25
100uF/16V
100uF/16V
AGND
6-4
D1
D1
1N4007
1N4007
P+5V
VCC5
Q19
Q19
TR_B1
2SS8550D(EBC,1.5A,1W)
2SS8550D(EBC,1.5A,1W)
2
SDRAM +3.3V
DVCC3
L8
L8
FB
FB
SD_VCC3
EC17
EC17
BC38
BC38
R101
R101
20K 1%
20K 1%
220uF/16V
220uF/16V
0.1uF
0.1uF
REG01
GND
close to
R102
R102
8202L
12K 1%
12K 1%
L16
L16
FB
FB
EC19
EC19
GND
100uF/16V
100uF/16V
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
220uF/16V
220uF/16V
VGND
USB_PLLVCC3
L22
L22
FB
FB
FB
FB
PLLVCC1.8
BC46
BC46
BC48
BC48
0.1uF
0.1uF
0.1uF
0.1uF
GND
GND
Internal DA +3.3V
AVCC3
R111
R111
33
33
AGND
VGND
EC24
EC24
220uF/16V
220uF/16V
GND
VGND
AGND
TR_B1
TR_B3
GND
AGND
REG01
REG03
GND
RFGND
RF +3.3V
RF3.3V
BC40
BC40
0.1uF
0.1uF
CN9
CN9
L18
L18
NC/FB 1A
NC/FB 1A
1
R103
R103
NC/22
NC/22
2
R104
R104
NC/22
NC/22
3
4
NC/HEADER4-2.0
NC/HEADER4-2.0
+
+
R105
R105
R106
R106
EC21
EC21
NC/15K
NC/15K
NC/15K
NC/15K
NC/100UF16V
NC/100UF16V
GND
USB ONLY
GND
GND
BC44
BC44
100pF
100pF
5
CVB1_O
5
AFR
5
AFL
close to
BC49
BC49
8202L
0.1uF
0.1uF
TR_B1
4
TR_B3
4
REG01
4
REG03
4
Power Bead > 2A, RAC@100 MHz
= 70 ohm, RDC(max)= 0.4 ohm
6-4
CN8
CN8
FB(0603)
FB(0603)
L9
L9
1
2
L10
L10
FB(0603)
FB(0603)
3
4
L13
L13
FB(0603)
FB(0603)
L7
L7
5
L28
L28
6
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
P+5V
USB_DM
2
USB_DP
2
GND
AV1
AV1
R1
R1
0
0
4
4
BC58
BC58
15P
15P
5
5
VGND
AFR
L38
L38
FB 100
FB 100
2
2
AFL
L40
L40
FB 100
FB 100
1
1
BC55
BC55
BC57
BC57
15P
15P
15P
15P
3
3
GND GND
AV-JACK-1
AV-JACK-1
DVCC
RN1
RN1
4.7K(8 Pin, 4R)
4.7K(8 Pin, 4R)
VFD_CLK
2
VFD_STB
2
GND
VFD_DATA
2
FB(0603)
FB(0603)
IR_IN
2
FB
FB
DVCC
VGND