Element PLX-4202B Service Manual page 43

1
40mA
+5VSB N2
3 2 1
IN OUT
4
OUT
C9
+ C10
100uF/16v
0.1uF
AP1117-3.3V C14
+
100uF/16v
A
STANDBY POWER +3V3 FOR MT5371
+12V N4 7808 200mA +8V_TUNER
1 2
Vin Vout
C33 C34
100uF/16V 100uF/16V
C36 C37
100nF 100nF
POWER SUPPLY +5V FOR TUNER
B
+5V L8 VD2
1 2 1 2
10uH
1N4148
+ C47
C48
100uF/16v
0.1uF
N7
5 1
V_IN SW
C49
0.1uF
2
GND
GND
R15
4 3
SHDN FB
4K7
Regulator AP1522 SOT23-5/SMD
Ra
Vout = 1.25 x ( 1 + Rb / Ra )
POWER SUPPLY +30V FOR SAMSUNG TUNER
N8
AP1513/SOP-8
+12V
C 4 6
Vcc O/P
5
O/P
C50 + C51 R16 C52
100nF/NC
3K
470uF/16v
3 1
100nF
OCSET FB
R18
100K
C64
0.1uF
+5V 620mA(1080I)
N10
2 3
IN OUT
+ C65 1
C66
ADJ/GND
100uF/16v
R22
0.1uF
AP1084/Adj 110R/750R
GND
R23
120R/820R
D
1
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2
DV33SB
L3
2
120R 2A
C11
0.1uF
C23
10uF
200mA
N5 7805 +5V_TUNER
1 2
Vin Vout
C35
470uF/16V
C38 C39
100nF 100nF
10mA
+30V_TUNER
C45
+ C4 6
0. 1uF/50 V
22uF/50V
R14
110K
Rb
900mA
L9
DV18_DM
1 2
33uH
C53 R17
100nF/NC
1K + C54 + C55 C56 C57 C58
470uF/16v 220uF/16v 100nF 10nF 1nF
VD3 R19
B3 40A 1K
0.8 x (1+1K/1K) = 1.6V
POWER SUPPLY +1V6 FOR MT5112
DV26_DDR
L11
1 2
120R 2A
C67
0.1uF
+ C68
C69
470uF/16v
10uF
1.25 x (1+120/110) = 2.6V
POWER +2V6 FOR MT5371 / DDRI
2
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3 4
N1
AP1513/S OP -8
+5V
4
Vcc
R10 C12
C15 C16 C17 3K 100nF/NC
+
0.1uF
3
470uF/16v
OCSET
R12
10uF
100K
C27
0.1uF
+5V
N3
Tab_Vout
3
VIN
C28 C29
100nF 22uF_6.3V
ESR=0.38R Single point ground
+5V
N6
2
IN
C40 C41
100nF 22uF_6.3V
Single point ground
ESR=0.38R
AV33
150mA
N9
3 2
IN OUT
4
OUT
C59 C60 R20
100nF 22uF_6.3V AP1117/adj 100R
ESR=0.38R
R21
20R
3 4
5
1000mA
L4
6 1 2
O/P
5 33uH
O/P
C13 R11
100nF/NC 1K2 C18 C19 C20 C21
+ +
470uF/16v 220u F/16v 100nF 10nF
1
FB
VD1 R13
B340A 2K
0.8 x (1+1.2K/2K) = 1.28V
POWER +1V2 FOR MT5372 (DIGITAL)
4 400mA +3V3 DV33
L6
2
Vout
120R 2A
C30 C31 C32
LM1117MPX-ADJ 100uF_6.3V 10uF 1uF
ESR=0.5R
POWER SUPPLY +3V3 FOR MT5370 (DIGITAL)& MT5112
AP1117-3.3V
400mA
AV33
L7
3
OUT
120R 2A
C42 C43 C44
100uF_6.3V 10uF 1uF
ESR=0.5R
POWER SUPPLY +3V3 (ANALOG) FOR MT5370
L10 AV15
120R 2A
C61 C62 C63
100u F_6.3V 10uF 1uF
1.25 x (1+22/110) = 1.5V
POWER +1V5 FOR VIDEO FRONT-END1
5
6
DV12
40mA
DV12 L5 AV12
C22
1 2
1nF 10uH
C24 C25 C26
+
0.1uF 0.1uF 100uF/16v
POWER +1V2 FOR MT5372 (ANALOG)
+12V
+12V
+5V
+5V
+5VSB
+5VSB
DV33SB
DV33SB
+30V_TUNER
+30V_TUNER
+5V_TUNER
+5V_TUNER
+3V3
+3V3
DV18_DM
DV18_DM
DV33
DV33
AV33
AV33
DV26_DDR
DV26_DDR
AV15
AV15
AV12
AV12
GLOBAL POWER
MediaTek Confidential
MediaTek Inc. No.1-2, Innovation Rd 1, SBIP, Hsin-Chu City 300
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E:\workfiles\input\Import
Title
ed V1.5 FOR SINGLE
POWER
HDMI72.PRJPCB\Image
.bmp
Rev
Size Document Number Drawn
MT5372_SZDEMO_V1_S
Terry
C
Date: Sheet 2 of 13
6
A
B
C
D
1.1