ViewSonic VA2013wm-4 Service Manual page 38

VCC3.3
R408 NC R405 100R 1/16W 5%
R452 100R 1/16W 5%
R449 100R 1/16W 5%
C408
0.22uF16V
U402
1 8
CE# VDD
2 7
SO HOLD#
3 6 R450 100R 1/16W 5%
WP# SCK
4 5 R451 100R 1/16W 5%
GND SI
PM25LV020-100SCE
R471
10K 1/16W 5%
VCC3.3
U403
8 1
VCC A0
EE_WP 7 2
WP A1
MSCL 6 3
SCL A2
MSDA
5 4
SDA GND
NC
CN401
1 key 3 R403
key 4
2 R404
3
4
5
6
7
8
NC
CN402
CN406
key 1
6 1
5 2 key 2
POWER_KEY #
4 3
3 4 LED_GRN/BLUE
2 5 LED_ORANGE
GND
1 6
NC CONN
CN407 CN408
7 1
6 2
5 3
4 4 FB410
3 5
2 6 GND 1
1 7 NC/BEAD
FB409
TOUCH_PANEL
NC NC 1 2
NC
4 BIN+
4 BIN-
4 SOGI
4 GIN+
4 GIN-
4 RIN+
4 RIN-
4 HSIN
4 VSIN
WP
SPI_SO
SPI_CE
4 DDC_SDA
4 DDC_SCL
SPI_CK
SPI_SI
SPI_CE
SPI_SI
SPI_SO
SPI_CK
4 VGA_DET
POWER_KEY #
R419 1K 1/16W 5%
MSCL R463 NC
VCC3.3 MSDA
R464 NC
R417
10K 1/16W 5%
C429
NC
C401
C411 27pF
0.1UF 16V
X401 R462
12MHz 1M 1/16W 5%
C412 27pF R429 0R05 1/16W
NC
NC
VCC3.3
7 VCC3.3
R416 100R 1/16W 5%
R411 100R 1/16W 5%
2
VCC3.3
VCC3.3
ADC_3.3 ADC_1.8 CVDD_3.3
C431 CVDD_1.8
0.1UF 16V
DVDD
U401
4 49
BIN1+ T0M
5 48
BIN1- T0P
6 47
SOG1I T1M
7 46
GIN1+ T1P
8 45
GIN1- T2M
9 44
RIN1+ T2P
10 43
RIN1- TCLK1M
42
TCLK1P
41
T3M
14 40
HSY NCI1 T3P
15 39
VSY NCI1 T4M
38
T4P
37
T5M
36
T5P
35
T6M
34
T6P
33
T7M
32
T7P
52
PWMB*
29
PWMA*
NT68167FG/D
17
PB5*/DDC_SDA*/TX
16
NT68167
PB4*/DDC_SCL*/RX
62
SPI_CE
61 53
SPI_SI PA7*/PWM9*
60 54
SPI_SO PA6*/PWM8*
59 28
SPI_CLK PA5*/PWM7*
27
PA4*/PWM6*
57
PA3/PWM5
58 R414
PA2/PWM4
51 21 R410
P35 PA1/PWM3
19 20
P34 PA0/PWM2
31
P31/TXD
30
P30/RXD
18
RSTB
55
PB3/ADC3
63 56
OSCI PB2/ADC2
23
PB1/ADC1
22
PB0/ADC0
64
OSCO
key 1
0R05 1/16W
key 2
0R05 1/16W
+5V
R465 R467 0R05 1/16W
4K3 OHM 1/16W 5%
MMBT3906
LEDB 1
Q407
LED_GRN/BLUE
R466 470R 1/16W 5%
DVDD
R402 NC
+5V
R468 R470 0R05 1/16W
3K3 1/16W 5%
MMBT3906
LEDO 1
Q408
LED_ORANGE
R469 100R 1/10W 5%
38
FB404
VCC3.3
120 OHM
C450
NC
T0M 6
T0P 6
T1M 6 7 VCC1.8
FB403
T1P 6
300OHM
T2M 6
T2P 6
TCLK1M 6
TCLK1P 6
T3M 6
T3P 6
T4M 6
T4P 6
T5M 6
T5P 6
FB406
T6M 6
300OHM
T6P 6
T7M 6
T7P 6
DDC_WP 4
BL_ADJ 7
VCC3.3
FB407
Volume# 7
NC
Mute# 7
EE_WP
Panel_ID# 7
WP
22K 1/16W 5% LEDB
22K 1/16W 5% LEDO
PANEL_EN 6
FB405
NC
5V_DET
BL_ON 7
KEY 1
KEY 2
NC
R473
R474
+5V
+5V 4,6,7
R406
10K 1/16W 5%
R409
20K OHM 1/16W
5V_DET
C409 0.1UF 16V
Viewsonic VA2013wm
T P V ( Top Victory Electronics Co . , Ltd. ) OEM MODEL
絬 隔 瓜 絪 腹 G3225-1-2-X-5-090415 TPV MODEL
Key Component 3.SCALER PCB NAME 715G3225-1-2
Date Wednesday , April 15, 2009 Sheet 4 of
DVDD
C451
C430
10UF6.3V
4.7uF/16V
ADC_1.8
C442 C406
4.7uF/16V 0.1UF 16V
C0805
CVDD_1.8
C443 C407
4.7uF/16V 0.1UF 16V
C0805
ADC_3.3
C439
NC C433
C0603 0.1UF 16V
CVDD_3.3
C445 + C444 C410
0.1uF/16V 0.1UF 16V
Ext. 1.8V FB407: NC
in FB405: NC
1920x1080 C439,C444: NC
C445: NC
FB403,FB406 300 ohm bead
FB407: 300 Ohm bead
Inte. 1.8V
FB405: 300 Ohm bead
under
C439,C444: 2.2uF
1920x1080
C445: NC (if ripple in spec)
FB403,FB406: 0 ohm
Size C
Rev 1
称 爹
6