8.1. DC POWER INPUT
0.8 x (1+1K/1K) = 1.6V
POWER SUPPLY +1V8 FOR MT5112
POWER SUPPLY +5V FOR TUNER
GLOBAL POWER
1.25 x (1+180/110) = 3.3V
STANDBY POWER +3V3 FOR MT537x
0.8 x (1+1.21K/2K) = 1.284V
POWER +1V2 FOR MT537x (DIGITAL)
1.25 x (1+22/110) = 1.501V
POWER +1V5 FOR VIDEO FRONT-END1
Rb
Ra
Vout = 1.25 x ( 1 + Rb / Ra )
POWER SUPPLY +30V FOR SAMSUNG TUNER
1.25 x (1+182/110) = 3.319V
POWER SUPPLY +3V3 FOR MT5112
1.25 x (1+0/100) = 1.25V
POWER +1V2 FOR MT537x (ANALOG)
1.25 x (1+180/110) = 3.3V
POWER SUPPLY +3V3 (DIGITAL) FOR MT537x
POWER SUPPLY +3V3 (ANALOG) FOR MT537x
1.25 x (1+180/110) = 3.3V
OPWRSB="L" : Power On
OPWRSB="H" : Power Off
POWER INPUT
POWER +2V6 FOR MT537x / DDRI
1.25 x (1+121/110) = 2.625V
DIMMING CONTROL
BACK LIGHT CONTROL
8.45V
1.25 x (1+301/100) = 5.013V
5.013V
2006/12/13_modified
OPCTRL4="L" : BL On
AGND_AFE
DV33_DM
+5VSB
+12V
+5V
+5V_TUNER
AV12
AV33
DV33
AV15
DV33SB
DV26_DDR
DV18_DM
+30V_TUNER
GND
DIMMING
BL_ON/OFF
OPCTRL4
BL_ON/OFF
AGND_LVDS
OPWM1
AGND_PLL
OPWM1
OPCTRL4
OPWRSB
Amp12V
Amp12V
POWER_EN
POWER_EN
OPWRSB
DIMMING
AGND_AFE3,4,5,6,7,8,9,10,11,12,13,14
AGND_LVDS3,4,5,6,7,8,9,10,11,12,13,14
GND3,4,5,6,7,8,9,10,11,12,13,14
DV33_DM3
+5VSB9,10,12,13,14
+12V11,13
+5V6,11,13
+5V_TUNER3
AGND_PLL3,4,5,6,7,8,9,10,11,12,13,14
AV124,5
AV335,10
DV334,5,6,7,11,13
AV155
DV33SB4,5,6,9,11,12,13,14
DV26_DDR4,5,7
DV18_DM3
+30V_TUNER3
OPWM14
OPCTRL44
OPWRSB4
Amp12V12
AV15
DV18_DM+12V
+5V_TUNER
+12V
DV33SB+5VSB
+30V_TUNER
+5V_TUNER AV33
+5V DV33_DM
AV33 AV12
DV12+5V
AV33+5V
+5V
DV26_DDR+5V
+12V
+5V
+5V
12VD
12VD
+5VSB
Amp12V
DV33
DV33
+5VSB
+5V
+5VSB
DV33SB
DV33SB
L161
FB/200R/2A
L0805
+
C105
470uF/16V/LowESR
CE050080
R388
NC
R0603
+
C162
220uF/16V
CE050080
+
C122
100uF/16V
CE025063
+
C170
470uF/16V/LowESR
CE050080
C110
0.1uF
C0603
Q129
2N3904
SOT-23
1
2 3
R385
100, 1%
R0603
R109
10K
R0603
R124
121/ 1%
R0603
C129
1uF/16V/Y5V
C0603
L108
10uH
LC050100
R116
NC(20K)
R0603
C119
0.1uF
C0603
+
C163
100uF/16V
CE025063
+
C136
100uF/16V
CE025063
+
C114
100uF/16V
CE025063
I112
AIC1117APY
SOT223
1
23
4
ADJ/GND
OUTIN
Tab
C127
NC(0.1uF)
C0603
C104
0.1uF
C0603
C168
0.1uF
C0603
R130
22.1/ 1%
R0603
R119
182/ 1%
R0603
L102
30uH
LC070
R382 47K
R0603
L105
FB/200R/2A
L0805
R129
0
R0603
C143
0.1uF
C0603
+
C145
100uF/16V
CE025063
R133
1K
R0603
R386
301, 1%
R0603
R107
4.7K
R0603
C107
0.1uF
C0603
R132
3K
R0603
R111
110/ 1%
R0603
C159
0.1uF
C0603
C150
0.1uF
C0603
R106
100K
R0603
R120
33K
R0603
R101
4.7K
R0603
+
C131
100uF/16V
CE025063
L103
FB/200R/2A
L0805
C158
0.1uF
C0603
C125
0.1uF
C0603
+
C494
470uF/16V/LowESR
CE050100
+
C148
220uF/50V
CE050100
C112
0.1uF
C0603
R123
182/ 1%
R0603
C106
0.1uF
C0603
C169
0.1uF
C0603
C133
0.1uF
C0603
R113
182/ 1%
R0603
C149
0.1uF
C0603
R104
1.21K/ 1%
R0603
R117
NC(750)
R0603
C160
0.1uF
C0603
C124
0.1uF
C0603
R102
NC
R0603
+
C120
220uF/16V
CE050080
+
C151
220uF/16V
CE050080
D101
SR36
1 2
R114
10K
R0603
R115
110/ 1%
R0603
C144
0.1uF
C0603
P101
CON12 P= 2.0mm
1
2
3
4
5
6
7
8
9
10
11
12
+
C137
100uF/16V
CE025063
+
C135
220uF/16V
CE050080
R108
2K/ 1%
R0603
C171
0.1uF
C0603
+
C164
100uF/16V
CE025063
C161
0.1uF
C0603
C116
0.1uF
C0603
R122
110/ 1%
R0603
C128
0.1uF
C0603
L104
FB/200R/2A
L0805
D142
NC(1N4148)
I113
AP1513
SO08
1
2
3
4
5
6
7
8
FB
EN
OCSET
Vcc
O/P
O/P
Vss
Vss
I108
AIC1084PM
TO263
1
3 2
4
ADJ
IN OUT
TAB
R105
33K
R0603
+
C101
1000uF/16V/LowESR
CE050100
L111
FB/200R/2A
L0805
C172
0.1uF
C0603
D102
B340
+
C146
100uF/16V
CE025063
C141
0.1uF
C0603
+
C154
220uF/16V
CE050080
C117
0.1uF
C0603
I109
AIC1117APY
SOT223
1
23
4
ADJ/GND
OUTIN
Tab
Q104
2N3904
SOT-23
1
2 3
I101
NC(AP9435GM)
SO08
1
2
3
4
8
7
6
5
S
S
S
G
D
D
D
D
I106
AIC1117APY
SOT223
1
23
4
ADJ/GND
OUTIN
Tab
R118
1K
R0603
+
C507
NC
CE025050
R135
1K
R0603
TP01
DIMMING
R384
576, 1%
R0603
+
C153
100uF/16V
CE025063
+
C111
470uF/16V/LowESR
CE050100
Q101
NC(2N3904)
SOT-23
1
2 3
R121
110/ 1%
R0603
R136
182/ 1%
R0603
I110
AIC1117APY
SOT223
1
23
4
ADJ/GND
OUTIN
Tab
I102
AP1513
SO08
1
2
3
4
5
6
7
8
FB
EN
OCSET
Vcc
O/P
O/P
Vss
Vss
Q102
2N3904
SOT-23
1
2 3
+
C113
220uF/16V
CE050080
R383
100, 1%
R0603
R387
1K
R0603
C123
0.1uF
C0603
C173
0.1uF
C0603
I107
AIC1084PM
TO263
1
3 2
4
ADJ
IN OUT
TAB
+
C138
220uF/16V
CE050080
+
C139
100uF/16V
CE025063
+
C152
100uF/16V
CE025063
R131
110/ 1%
R0603
+
C156
100uF/16V
CE025063
L106
FB/200R/2A
L0805
Q103
2N3904
SOT-23
1
2 3
+
C132
100uF/16V
CE025063
C134
0.1uF
C0603
R126
110/ 1%
R0603
TP02
BL_ON/OFF
D103
B340
R110
10K
R0603
+
C140
100uF/16V
CE025063
C126
0.1uF
C0603
L109
FB/200R/2A
L0805
I103
AIC1117APY
SOT223
1
23
4
ADJ/GND
OUTIN
Tab
I105
AP9435GM
SO08
1
2
3
4
8
7
6
5
S
S
S
G
D
D
D
D
L110
FB/200R/2A
L0805
I104
AIC1117APY
SOT223
1
23
4
ADJ/GND
OUTIN
Tab
C108
4.7uF/16V/Y5V
C0805
C165
0.1uF
C0603
C130
1uF/16V/Y5V
C0603
R127
267K/ 1%
R0603
R389
NC
R0603
C109
0.1uF
R134
100K
R0603
L107
FB/200R/2A
L0805
I127
AIC1117APY
SOT223
1
23
4
ADJ/GND
OUTIN
Tab
R112
4.7K
R0603
R103
3K
R0603
I111
AP1522
SOT-23-5
1
2
34
5
SW
GND
FBSHDN
V_IN
+
C102
470uF/16V/LowESR
CE050080
+
C167
470uF/16V/LowESR
CE050080
+
C121
100uF/16V
CE025063
+
C118
100uF/16V
CE025063
+
C155
100uF/16V
CE025063
+
C147
220uF/16V
CE050080
C166
0.1uF
C0603
R125
100
R0603
R128
11.5K/ 1%
R0603
+
C115
100uF/16V
CE025063
C142
0.1uF
C0603
C157
0.1uF
C0603
L112
30uH
LC070
D141
NC(1N4148)
C103
0.1uF
C0603
8. Schematic Diagrams
ViewSonic Corporation Confidential - Do Not Copy N3235w-1M
59
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