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ViewSonic Corporation
Confidential - Do Not Copy
N
2201w-1M
4
6
MAIN PCB CIRCUIT DIAGRAM
SYS POWER CIRCUIT DIAGRAM
PWM_OUT
BL-ADJUST
ON_PBACK
BL-ON/OFF
STANDBY
+5V_IN
+5V_GND
+5V_GND
+12V_IN
BL-ADJUST
+12V_GND
+12V_GND
+5VSTB
+5V_IN
+12V_IN
BL-ON/OFF
+5VSTB
POWER_ON/OFF
-5V
DDR_POWER
+5V-DDR
+5V
+5V
+12V
+5V
+5VSTB
+2.6V_VDD_DDR
+5V-DDR
DMQC1
+2.6V
+2.6V_MVDD
AVDD_ADC
+3.3AVDD
VDDC
VDDM
+5V
+3.3AVDD
AVDD_DVI
+3.3AVDD
AVDD_SIF
+3.3AVDD
AVDD_AU
+3.3AVDD
AVDD_OTG
+3.3AVDD
AVDD_MEMPLL
+3.3AVDD
AVDD_MPLL
+3.3AVDD
AVDD_LPLL
+3.3AVDD
VDDP
+3.3AVDD
+2.6V
+5V
VDDC
+5V
-5V
+5V
AVDD_MPLL
+5V
PWM_OUT
7
ON_PBACK
7
POWER_ON/OFF
9,10
STANDBY
10
POWER INPUT
+3.3V FOR MSD119BL
1.26V DC-DC FOR MSD119BL Core
+2.6V FOR DDR
Standby:L---STANDBY
Standby:H---ON
HOLE
-5V FOR AMP
OPTION FOR AVDD_MPLL
R17
1K
R17
1K
C264
10uF
C264
10uF
C234
0.1uF
C234
0.1uF
L56
FB220/300mA
L56
FB220/300mA
Q6
3904
Q6
3904
R42
10K
R42
10K
3
2
1
4
ADJ
OUT
IN
U25
AMS1117-3.3V
ADJ
OUT
IN
U25
AMS1117-3.3V
C231
0.1uF
C231
0.1uF
1
2
3
4
5
6
7
8
9
H2
PAD
H2
PAD
C208
0.1uF
C208
0.1uF
C192
10uF
C192
10uF
C145
1uF
C145
1uF
L16
HGL-L0852
L16
HGL-L0852
C358
0.1uF
C358
0.1uF
C266
10uF
C266
10uF
C190
10uF
C190
10uF
C177
10uF
C177
10uF
C45
2.2uF
C45
2.2uF
C221
0.1uF
C221
0.1uF
1
2
3
4
5
6
7
8
9
H11
PAD
H11
PAD
C138
10uF
C138
10uF
1
2
3
4
5
6
7
8
9
10
11
12
CON1
CON12_2.0
CON1
CON12_2.0
R169
1K
R169
1K
1
H7
TPAD
H7
TPAD
C360
0.1uF
C360
0.1uF
C372
0.1uF
C372
0.1uF
R266
100R_1%
R266
100R_1%
C195
10uF
C195
10uF
R12
10K
R12
10K
L55
FB220/500mA
L55
FB220/500mA
C222
1n
C222
1n
1
H15
TPAD
H15
TPAD
R177
10K
R177
10K
C277
0.1uF
C277
0.1uF
C139
10uF
C139
10uF
C232
1uF
C232
1uF
C254
0.1uF
C254
0.1uF
L83
FB220/300mA
L83
FB220/300mA
C200
1n
C200
1n
1
H12
TPAD
H12
TPAD
C363
0.1uF
C363
0.1uF
C244
0.1uF
C244
0.1uF
C178
10uF
C178
10uF
C278
0.1uF
C278
0.1uF
+
CA70
100uF/
16V
+
CA70
100uF/
16V
1
2
3
4
5
6
7
8
9
H4
PAD
H4
PAD
L86
FB220/100mA
L86
FB220/100mA
C143
1uF
C143
1uF
1
2
3
Q44
3904
Q44
3904
1
2
3
Q3
NC/3904
Q3
NC/3904
R275
91R_1%
R275
91R_1%
R245
330_1%
R245
330_1%
C47
2.2uF
C47
2.2uF
C223
0.1uF
C223
0.1uF
D3
B340A
D3
B340A
+
CA74
100uF/
16V
+
CA74
100uF/
16V
C369
0.1uF
C369
0.1uF
L59
FB220/500mA
L59
FB220/500mA
+
CA71
100uF/
16V
+
CA71
100uF/
16V
1
H14
TPAD
H14
TPAD
R23
NC
R23
NC
NC
VCC SW
IN
EO
NC
EN
GNDGNDGNDGNDGNDGND
1
2
3
5
6
4
7
8
U49
AAT1346A
1
2
3
5
6
4
7
8
U49
AAT1346A
1
2
3
4
5
6
7
8
9
H10
PAD
H10
PAD
R176
1K
R176
1K
L15
33uH_CDRH6D38
L15
33uH_CDRH6D38
3
3
4
4
5
5
1
1
2
2
U50
TPS60400
U50
TPS60400
L87
100uH
L87
100uH
C224
1uF
C224
1uF
C365
10uF
C365
10uF
L84
FB220/100mA
L84
FB220/100mA
R15
10K
R15
10K
1
2
3
Q46
3904
Q46
3904
1
2
3
4
5
6
7
8
9
H5
PAD
H5
PAD
C136
0.1uF
C136
0.1uF
C306
0.1uF
C306
0.1uF
C255
0.1uF
C255
0.1uF
C191
10uF
C191
10uF
C137
0.1uF
C137
0.1uF
+
CA77
100uF/16V
+
CA77
100uF/16V
R190
10K
R190
10K
C225
0.1uF
C225
0.1uF
R14
NC/10K
R14
NC/10K
R244
10K_1%
R244
10K_1%
+
CA75
100uF/
16V
+
CA75
100uF/
16V
C183
0.1uF
C183
0.1uF
C256
0.1uF
C256
0.1uF
C142
1n
C142
1n
C386
0.1uF
C386
0.1uF
+
CA65
100uF/
16V
+
CA65
100uF/
16V
C201
0.1uF
C201
0.1uF
+
CA72
100uF/
16V
+
CA72
100uF/
16V
L3
HGL-L0852
L3
HGL-L0852
L75
FB220/300mA
L75
FB220/300mA
R13
10K
R13
10K
C147
100p
C147
100p
R45
100
R45
100
L58
FB220/500mA
L58
FB220/500mA
C226
1uF
C226
1uF
C199
1n
C199
1n
C193
10uF
C193
10uF
L60
FB220/500mA
L60
FB220/500mA
C184
0.1uF
C184
0.1uF
+
CA13
470uF/16V
+
CA13
470uF/16V
L74
FB220/300mA
L74
FB220/300mA
+
CA76
100uF/16V
+
CA76
100uF/16V
C257
0.1uF
C257
0.1uF
C162
10uF
C162
10uF
1
2
3
4
5
6
7
8
9
H3
PAD
H3
PAD
C356
0.1uF
C356
0.1uF
C373
0.1uF
C373
0.1uF
1
2
3
4
5
6
7
8
9
H1
PAD
H1
PAD
C371
0.1uF
C371
0.1uF
R21
NC/1K
R21
NC/1K
1
2
3
Q2
3904
Q2
3904
C357
0.1uF
C357
0.1uF
C186
0.1uF
C186
0.1uF
C215
1n
C215
1n
+
CA73
100uF/
16V
+
CA73
100uF/
16V
C258
0.1uF
C258
0.1uF
3
2
1
4
ADJ
OUT
IN
U26
AMS1117-3.3V
ADJ
OUT
IN
U26
AMS1117-3.3V
1
H9
TPAD
H9
TPAD
C374
0.1uF
C374
0.1uF
C196
10uF
C196
10uF
L62
FB220/500mA
L62
FB220/500mA
R20
1K
R20
1K
C359
1uF
C359
1uF
C366
470p
C366
470p
C185
0.1uF
C185
0.1uF
C96
2.2uF
C96
2.2uF
3
2
1
4
ADJ
OUT
IN
U29
AMS1117-adj
ADJ
OUT
IN
U29
AMS1117-adj
C220
0.1uF
C220
0.1uF
C38
2.2uF
C38
2.2uF
C141
1n
C141
1n
1
H6
TPAD
H6
TPAD
R46
100K
R46
100K
C269
0.1uF
C269
0.1uF
R246
0
R246
0
C370
0.1uF
C370
0.1uF
C146
100p
C146
100p
R16
000
R16
000
R22
4.7K
R22
4.7K
L57
FB220/500mA
L57
FB220/500mA
C367
100p
C367
100p
C228
0.1uF
C228
0.1uF
C387
0.1uF
C387
0.1uF
C187
0.1uF
C187
0.1uF
+
CA11
470uF/16V
+
CA11
470uF/16V
C341
0.1uF
C341
0.1uF
L85
NC/FB220/100mA
L85
NC/FB220/100mA
1
H8
TPAD
H8
TPAD
C197
10uF
C197
10uF
C219
0.1uF
C219
0.1uF
D2
NC/4148
D2
NC/4148
C368
10uF
C368
10uF
C207
0.1uF
C207
0.1uF
C230
1uF
C230
1uF
1
H13
TPAD
H13
TPAD
1
3
2
S
G
D
SOT
23
Q13
AO3401
S
G
D
SOT
23
Q13
AO3401