Akai CT-S21MTD-E3 Service Manual Page 16

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A
A
B
B
C
C
D
D
E
E
4 4
3 3
2 2
1 1
Rdown
110 1%
Note for Fix or Adj Regulator
180 1%
0 ohm
AZ1117
Rup
FOR DACVDD
Fix regulator
Adj regulator
OFF
Vout
1.25x(1+180/110)=3.3V
FOR ADCVDD
MT8205 ANALOG DECOUPLING
1.25x(1+Rdown/Rup)
DEL
MT8205 DECOUPOMG--ANALOG
V0.1
LCD TV - MediaTek MT8205 Solution
C
416Tuesday, May 10, 2005
Title
Size Doc Number Rev
Date: Sheet of
AV33
ADC_VDD
ADCVDD0
ADCVDD0
ADCVDD0
ADCVDD0
ADCVDD0
ADCVDD0
DACVDD
DACVDD
DACVDD
GND
VICM
VOCM
GND
ADCVDD
PWM2VREF
DACFS
GND
DACVREF
VPLLVDD
VPLLVDD
GND
REXTA
AUXTOP
AUXBOTTOM
ANALOGVDD
ADCPLLVDD
ANALOGVDD
XTALOXTALI
ADCPLLVDD1DV18A
ADCPLLVDD1
ADCPLLVDD
APLLVDD
APLL_CAP
XTALI
XTALO
APLLVDD
VPLLVDD
REXTA
AUXTOP
AUXBOTTOM
LVDDA
PWM2VREF
ADCVDD
ADCVDD0
ADC_VDD
DACVDD
AVCM
VOCM
VICM
VREFN4
VREFP4
DACVREF
DACFS
VPLLVDD
ADCVDD0
ANALOGVDD
GND
GND
AVCM
AV33
GND
GND
GND
GND
GND
GND
GND
GND
VREFN4
GND
VREFP4
ADCVDD0
GND
LVDDA
LVDDA
AV33 LVDDA
LVDDA
APLL_CAP
ANALOGVDD
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
ADCPLLVDD1 3
ADCPLLVDD 3
APLLVDD 3
APLL_CAP 3
XTALI 3
XTALO 3
VPLLVDD 3
REXTA 3
AUXTOP 3
AUXBOTTOM 3
LVDDA 3
PWM2VREF 3
ADCVDD 3
ADCVDD0 3
DACVDD 3
AVCM 3
VOCM 3
VICM 3
VREFN4 3
VREFP4 3
DACVREF 3
DACFS 3
ANALOGVDD 3
AV33
VCC
ADC_VDD
ADC_VDD
AV33
DV33A
DV18A
AV33
L38 FB
R21
560
CB28
0.1uF
C0603/SMD
L37
FB
R34
50
L28
FB
BEAD/SMD/0805
CB48
0.1uF
C0603/SMD
L17
FB
BEAD/SMD/0603
CB34
0.1uF
C0603/SMD
CB54
0.1uF
C0603/SMD
+
CE31
47uF/16v
R20
100k
CB31
0.1uF
C0603/SMD
C20
1500pF
C0603/SMD
L19
FB
BEAD/SMD/0603
C22
4.7uF
C0603/SMD
L29
FB
BEAD/SMD/0603
C27
4.7uF
C0603/SMD
+
CE78
47uF/16v
C12
33pF
C10
0.1uF/NC
C0603/SMD
Y1
27MHz
C15
0.1uF
CB30
0.1uF
C0603/SMD
U8
CM1117-3.3V
SOT223/SMD
1
23
ADJ/GND
OUTIN
CB25
0.1uF
+
CE29
10uF/25v
CB44
0.1uF
C0603/SMD
TP4
CB22
0.1uF
C0603/SMD
+
CE25
22uF/25v
C21
4.7uF
C0603/SMD
CB36
4.7uF
C0603/SMD
+
CE30
47uF/16v
L30
FB
BEAD/SMD/0603
CB50
0.1uF
C0603/SMD
CB29
0.1uF
C0603/SMD
+
CE32
47uF/16v
CB26
0.1uF
CB58
4.7uF
C0603/SMD
CB20
0.1uF
C0603/SMD
CB18
0.1uF
C0603/SMD
+
CE27
100uF/16v
CB15
0.1uF
C0603/SMD
+
CE23
10uF/25v
C28
4.7uF
C0603/SMD
C23
0.1uF
CB21
0.1uF
C0603/SMD
CB42
0.1uF
C0603/SMD
CB19
0.1uF
C0603/SMD
C19
4.7uF
C0603/SMD
CB16
0.1uF
C0603/SMD
C17
4.7uF
C0603/SMD
CB14
0.1uF
C0603/SMD
C14
4.7uF
C0603/SMD
TP3
C13
4.7uF
C0603/SMD
R27
3.3k
C16
4.7uF
C0603/SMD
C9
4.7uF
C0603/SMD
C18
4.7uF
C0603/SMD
C26
4.7uF
C0603/SMD
CB56
4.7uF
C0603/SMD
CB38
0.1uF
C0603/SMD
CB47
0.1uF
C0603/SMD
CB23
0.1uF
C0603/SMD
CB17
0.1uF
L32
FB
BEAD/SMD/0805
C11
33pF
R31
50
CB32
0.1uF
C0603/SMD
L18
FB
BEAD/SMD/0603
CB60
4.7uF
C0603/SMD
CB39
0.1uF
C0603/SMD
CB24
0.1uF
C0603/SMD
+
CE28
220uF/16v
+
CE26
22uF/25v
R22
33
CB41
0.1uF
R23
33
C25
0.1uF
CB27
0.1uF
C24
4.7uF
C0603/SMD
CB45
0.1uF
C0603/SMD
CB52
0.1uF
C0603/SMD
+
CE24
10uF/25v
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