ViewSonic VP950b Service Manual page 76

11.3 Scaler
VDVI
23
2 DSUB_R+ RIN0P
22
2 DSUB_R-
RIN0M
20
2 DSUB_G+ GIN0P
19
2 DSUB_G-
GIN0M
21
2 DSUB_SOG SOGIN0
18
2 DSUB_B+
BIN0P
17
2 DSUB_B- BIN0M
27
2 DSUB_H
HSY NC0
28
2 DSUB_V VSY NC0
30
2 DDC1_SDA
DDCA_SDA/RS232_TX
31
2 DDC1_SCL DDCA_SCL/rs232_RX
3
2 RX2P R+
4
2 RX2N
R-
6
2 RX1P G+
7
2 RX1N
G-
9
2 RX0P B+
10
2 RX0N
B-
12
2 RXCP CK+
13
2 RXCN
CK-
100
2 DDC2_SDA DDCD_SDA
AVDD 1
2 DDC2_SCL
DDCD_SCL
R447
15
REXT
390 OHM 1/16W
0.1uF/16V 26
REFP
C431
VCC3.3
25
REFM
C432
U402
0.22uF16V
1 8 37
CE# VDD SDO
2 7 38
SO HOLD# SCZ
R448 WP 3 6 39
WP# SCK SCK
10K 1/16W 5% 4 5 40
VSS SI SDI
48
SST25LF020A-33-4C-SAE
3 PPWR_ON# GPIO_P45/PWM1
C433
84
CMVCC RST
10uF/50V R449
100K 1/16W 5%
R450 0 OHM +-5% 1/16W
C434 96
XIN
22pF
X401
14.31818MHz
C435 97
XOUT
22pF R451 0 OHM +-5% 1/16W
C436 0.1uF/16V 80
BY PASS
52
MODE[0]
53
MODE[1]
R452 R453
10K 1/16W 5% 10K 1/16W 5%
R479 R480
NC R481
NC NC U403
8
VCC
EE_WP 7
WC
MSCL 6
SCL
MSDA 5
SDA
NC
ViewSonic Corporation
VMPLL VPLL VDDP VDDC
AVDD
81
VCTRL
54 PA0
LVA3P
55 PA1
LVA3M
58 PA2
LVACKP
59 PA3
LVACKM
60 PA4
LVA2P
61 PA5
LVA2M
62 PA6
LVA1P
63 PA7
LVA1M
64 PA8
LVA0P
65 PA9
LVA0M
67 PB0
LVB3P
68 PB1
LVB3M
69 PB2
LVBCKP
70 PB3 R454
LVBCKM
71 PB4
LVB2P
72 PB5
LVB2M
73 PB6
LVB1P
74 PB7
LVB1M
77 PB8
LVB0P
78 PB9
LVB0M
TSUMO5PCWHL
36
GPIO_P23
45
NC
46 C470
NC
1
41 EE_WP
GPIO_P47
42
GPIO_P46
35
GPIO_P15/PWM0
47 R455 100R 1/16W 5% WP
PWM2/GPIO_P24
LVDS
85
GPIO_P25
86
PWM3/GPIO_P27
87
GPIO_P00/SAR0
88 R460 100R 1/16W 5%
GPIO_P01/SAR1
89 R461 100R 1/16W 5%
GPIO_P02/SAR2
90 R462 100R 1/16W 5%
GPIO_P03/SAR3
91 R463 4K7 1/16W 5%
GPIO_P07
92 R464 4K7 1/16W 5%
GPIO_P15
93 R465 NC
PWM1/GPIO_P16
94
GPIO_P12 HPD_CTRL 2
95 R466 NC
GPIO_P13
99 R467 100R 1/16W 5%
GPIO_P14/PWM0
44 R468 100R 1/16W 5% MSCL
GPIO_P10/I2C_MCL
43 R469 100R 1/16W 5% MSDA
GPIO_P11/I2C_MDA
VCC3.3
C461
NC
1
NC
2
E1
3
E2
4
VSS
CN405
1
2
NC
Confidential - Do Not Cop
VCC3.3
2,4 VCC3.3
10uF/50V
VCC1.8
FB409
4 VCC1.8
0R05 1/8W
10uF/50V
PA[0..9]
PA[0..9] 3
PB[0..9]
PB[0..9] 3
OC_SW
DDC_WP 2
100R 1/16W 5%
Q405
R456 2N3904S-RTK/PS
PANEL_VCC
22K 1/16W 5%
C438
R457
0.1uF/16V
10K 1/16W 5%
R458
6K8 1/16W 5%
F 6.3V
R459 10K 1/16W 5% CMVCC
C437
0.1uF/16V R471
6K8 1/16W 5%
on_BACKLIGHT 4
adj_BACKLIGHT 4
R472 10K 1/16W 5%
KEY 1
KEY 2
DET_CABLE 2
C439 0.1uF/16V
Mute 4
POWER_KEY #
VCC3.3
R470 10K 1/16W 5%
Q408
2N3904S-RTK/PS
VCC3.3
R477
3.9K OHM 1% 1/16W
C456 C457
0.1uF/16V 0.1uF/16V
Near to Connect
CN404
1
2
3
4
5
6
CONN
CMVCC
T P V
絬 隔 瓜 絪 腹
Key Component
Date
- 76 –
VDDP
VCC3.3 FB405 AVDD VCC3.3 FB406
300OHM 300OHM
C440 + C441 C442 C443 C444
0.1uF/16V 0.1uF/16V C451
0.1uF/16V
0.1uF/16V 0.1uF/16V
VCC3.3
VMPLL
VDDC FB407
VCC3.3 FB408
300OHM
C450 300OHM
C446 + C447
C454
C448 C449 0.1uF/16V 0.1uF/16V
C452
0.1uF/16V 0.1uF/16V 0.1uF/16V
0.1uF/16V
VCC3.3
VCC3.3
R475
10K 1/16W 5%
R473
10K 1/16W 5%
Q407
2N3906S-RTK/PS
LED_ORANGE
Q406 R476 75R 1/16W 5%
2N3906S-RTK/PS
LED_GRN/BLUE
R474 56 OHM 1/16W
Volume# 4
R478
3.9K OHM 1% 1/16W
KEY 2
KEY 1
POWER_KEY #
LED_GRN/BLUE
LED_ORANGE
C458 C459 C460
0.1uF/16V 0.1uF/16V 0.1uF/16V
VCC3.3
R482
100K 1/16W 5%
VCC3.3
OC_SW
R483
100R 1/16W 5%
OC401
RBS310800
For Auto Pivot Function
( Top Victory Electronics Co . , Ltd. ) OEM MODEL VSC VP950
G2812-C-X-X-1-071016 TPV MODEL
5.0.SCALER PCB NAME 715G2812-C
Tuesday , October 16, 2007 Sheet 5 of 5
VPLL
C453
0.1uF/16V
VDVI
C455
0.1uF/16V
Size C
Rev A
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称爹
VP950b