- 77 –
ViewSonic Corporation
11.2 MCU
+3.3V
R470
10
K
1/
16
W
DEL R463,R472
C449
0.1uF
+3.3V
MCU_VCC
MCU_VCC
C443
NC
R455
NC
KEY _B
C439
0.001uF
C440
0.001uF
C441
0.001uF
C442
0.001uF
M512_XOUT
R4018
NC
A0
1
A1
2
A2
3
GND
4
SDA
5
SCL
6
WP
7
VCC
8
U405
M24C02WMN6
KEY -B
RXD
KEY _B
MCU_RST
R499
100 1/16W
R495
100 1/16W
VGA5V
EEPROM_WP
BUS_POWER
DDC2_SCL
DDC2_SDA
R483
4
.7K
1/
1
6W
R4014 NC
R493
4.7K 1/16W
MCU_VCC
R4015
NC
DDC_SDA
C438
0.001uF
R4019 100 1/16W
KEY _C
POWER_KEY
KEY _C
R4013
4
.7
K
1/
16W
CONNECT
R467
10
K
1/
16
W
LED_GREEN
3
1
2
D423
BAV70
R484
4
.7K
1/
1
6W
R477
4
.7K
1/
1
6W
R4007
6.8K 1/16W
R487
4.
7
K
1/
16
W
R486
4
.7K
1/
1
6W
R485
4
.7K
1/
1
6W
X402
24MHz
C446
10pF
C447
10pF
Q407
PMBS3904
C452
0.1uF
STDBY
RTD_SCSB
MUTE
RTD_SCLK
DDC_WP
DDC_WP
R4001 150 1/16W
EDID_WP
ENTER_KEY
BRIGHTNESS
LEFT_KEY
RIGHT_KEY
R488
4.
7
K
1/
16
W
R479
4
.7K
1/
1
6W
R480
4
.7K
1/
1
6W
R481
4
.7K
1/
1
6W
IICSCL
IICSDA
BACKLIGHT
PANEL_PW
POWER_KEY
LED_GREEN
LED_ORANGE
LEFT_KEY
RIGHT_KEY
ENTER_KEY
R459 100 1/16W
R457
0 1/16W
R461 100 1/16W
KEY _A
AUTO_KEY
R456
0 1/16W
R462
100 1/16W
R458
100 1/16W
R454
NC
R460
100 1/16W
C437
0.001uF
R491
470 1/16W
R492
4.7K 1/16W
MCU_VCC
DDC_SCL
DDC_SDA
R464
4.
7
K
1/
16
W
R465
4.
7
K
1/
16
W
R468
10
K
1/
16
W
R469
10
K
1/
16
W
R471
10
K
1/
16
W
DEL
R490,C444,R474,R475,R496,R494
C445
NC
OUT_L+
OUT_L-
OUT_R+
OUT_R-
IICSDA
IICSCL
R4003
100 1/16W
R4002
100 1/16W
NC
1
NC
2
NC
3
VSS
4
SDA
5
SCL
6
WC
7
VCC
8
U404
M24C16
MCU_VCC
MCU_VCC
R4008
4.7K 1/16W
EEPROM_WP
C448
0.1uF
R478
4
.7K
1/
1
6W
R442 100 1/16W
C
E
B
Q404
PMBS3906
C
E
B
Q405
PMBS3906
DVI_DET
R489
10K 1/16W
2
4
6
8
10
12
14
16
1
3
5
7
9
11
13
15
CN404
MCU_VCC
R498
10K 1/16W
R473
470 1/16W
R497
10K 1/16W
VOLUME
SDIO0
3
SDIO1
3
SDIO2
3
RTD_SD3/SDI 3
KEY -B
P5.0/DA0
2
P5.1/DA1
3
P5.2/DA2
4
P5.3/DA3
5
P5.4/DA4
6
P5.5/DA5
7
HSCL2/P5.6
8
HSDA2/P5.7
9
RS
T
10
HDA1/TX/P3.1
13
XT
AL2
20
XT
AL1
21
VSS
22
VC
C
44
P1.
0
43
P1.
1
42
P1.
2
41
P1.
3
40
P1.
4
39
P1.
5
38
P1.
6
37
P1.
7
36
NC
35
VSY NC
32
NC
33
P6.0/AD0
24
P6.1/AD1
25
P6.2/AD2
26
P6.3/AD3
27
P6.4
28
P6.5
29
P6.6/CLK0
30
P6.7
31
HCL1/RX/P3.0
11
P3.2/INT0
14
P3.3/INT1
15
P3.4/T0
16
P3.5/T1
17
P7.6/CLKO
18
P7.7
19
NC
12
MTV512
U402
+5V
A0
1
A1
2
A2
3
GND
4
SDA
5
SCL
6
WP
7
VCC
8
U406
M24C02WMN6
OUT_L+
OUT_R-
OUT_R+
OUT_L-
R466
4.
7
K
1/
16
W
R482
4
.7K
1/
1
6W
C451
0.001uF
TXD
R4005
100 1/16W
R4004
100 1/16W
EDID_WP
EDID_WP
R4017
10K 1/16W
Q406
NC
R4009 NC
Title
Size
Document Number
Rev
Date:
Sheet
of
MCU
T1
715L1675-B
3
4
Thursday, July 28, 2005
R4016
22K 1/16W
R4006
NC
AUTO_KEY
AUTO_KEY
KEY _A
MCU_VCC
R4010
4.7K 1/16W
R4022
4
.7K
1/
1
6W
R4023
4
.7K
1/
1
6W
R476
4
.7
K
1/
16W
3
1
2
D424
BAV70
+5V
R4011
4.7K 1/16W
C450
0.1uF
DDC_SCL
R4026
100 1/16W
R4025
4.
7
K
1/
16
W
LED_ORANGE
R4024
4.
7
K
1/
16
W
R4027
100 1/16W
R4028
100 1/16W
R4029
100 1/16W
Содержание VA712b-2
Страница 11: ...11 ViewSonic Corporation 3 Front Panel Function Controls And Indicators...
Страница 18: ...18 ViewSonic Corporation 4 2 POWER BLOCK FUNCTION DESCRIPTION Inverter Block Function...
Страница 19: ...19 ViewSonic Corporation Power Block Function...
Страница 26: ...26 ViewSonic Corporation...
Страница 42: ...42 ViewSonic Corporation 3 3 DDC Key In Procedure Sep1 Select and execute DDC Key In program...
Страница 43: ...43 ViewSonic Corporation Sep2 Inpute the S N and execute Enter...
Страница 44: ...44 ViewSonic Corporation...
Страница 45: ...45 ViewSonic Corporation Sep3 Key the Enter and write the data...
Страница 46: ...46 ViewSonic Corporation Sep4 If ddc program OK and show data compare ok...
Страница 47: ...47 ViewSonic Corporation 6 Trouble Shooting Flow Chart...
Страница 66: ...66 ViewSonic Corporation 8 Exploded Diagram And Spare Parts List...
Страница 67: ...67 ViewSonic Corporation...
Страница 68: ...68 ViewSonic Corporation 5 7 Packing For Shipping...
Страница 71: ...71 ViewSonic Corporation 9 1 3 Show pictures Picture 1 Picture 2 Picture 3 Picture 4 Picture 5 Picture 6...
Страница 72: ...72 ViewSonic Corporation Picture 7 Picture 8 Picture 9 Picture 10 Picture 11 Picture 12...
Страница 73: ...73 ViewSonic Corporation Picture 13 Picture 14 Picture 15...
Страница 74: ...74 ViewSonic Corporation Picture 16 Picture 17 Picture 18 Picture 19 Picture 20...
Страница 75: ...75 ViewSonic Corporation 10 Block Diagram...
Страница 84: ...84 ViewSonic Corporation 12 PCB Layout Diagram 12 1 MAIN BOARD PCB TOP VIEW...
Страница 85: ...85 ViewSonic Corporation...
Страница 86: ...86 ViewSonic Corporation 12 2 MAIN BOARD PCB BUTTON VIEW...
Страница 87: ...87 ViewSonic Corporation 12 3 KEYBOARD TOP VIEW 12 4 KEYBOARD BUTTON VIEW...
Страница 88: ...88 ViewSonic Corporation 12 5 POWER PCB TOP VIEW...
Страница 89: ...89 ViewSonic Corporation 12 6 POWER PCB BUTTON VIEW...
Страница 90: ...90 ViewSonic Corporation 12 6 AUDIO PCB TOP VIEW BUTTON VIEW...