ViewSonic Va703b3 Service Manual

 48 
ViewSonic Corporation
  Confidential - Do Not Copy  VA703b-3_VA703m-3 
Rev: 1c
Serial No. Prefix: QAF
ItemViewSonic P/N Ref. P/N DescriptionLocationUniversal number#Qty1N/A 506380001800R TAPE,WRAPPING TYPE,48mmx50M ROHS LE1915 For World Wide1.200
2 N/A 506380002100R TAPE,WRAPPING TYPE(VIEWSONIC),50mmx75M,L For World Wide0.513
3 N/A 506431000300R FILM,PE 500mmx900M ROHS For World Wide0.050
4 P-00006718 506040008800R CUSHION,EPS-L, LE1734 For World Wide100.000
5 P-00006719 506040008810R...

8. Exploded Diagram and Exploded Parts List (VA703b-3) 
ModelTitleDate Rev:ViewSonic Corporation
Exploded diagram
 
49
 
ViewSonic Corporation
  Confidential - Do Not Copy  VA703b-3_VA703m-3 
VA703b-3 

Exploded Diagram and Exploded Parts List (VA703m-3) 
ModelTitleDate Rev:ViewSonic Corporation
Exploded diagram
 
50 
ViewSonic Corporation
  Confidential - Do Not Copy  VA703b-3_VA703m-3 
VA703m-3 

ViewSonic Model Number: VS11359
Rev: 1a
Serial No. Prefix: QAG
Item ViewSonic P/N Ref. P/N Description Qty1 C-00006723 714030006100R ASSY,BEZEL,SILVER,W/O SPK, LE1734 1
2 E-00008006 631102071910R LCD PANEL 17 MT170EN01-V7,AM17000057 1
3 B-00006728 790681300610R PCBA,I/F BOARD,W/O SPK, LE1734-6U0 1
4 CB-00006726 430303000570R HRN LVDS FFC 30P 221mm,RoHS 1
5 N/A 502090303600R CHASSIS,W/O SPK, LE1734 1
8 C-00006724 714050006100R ASSY,BACK COVER,GRAY,W/O SPK, LE1734 1
9 N/A 503040000300R RUBBER,COVER(GRAY),...

VA703m-3 
 52 
ViewSonic Corporation
  Confidential - Do Not Copy  VA703b-3_VA703m-3 
ViewSonic Model Number: VS11359
Rev: 1a
Item ViewSonic P/N Ref. P/N LocationQty
1 N/A 506431000300R FILM,PE 500mmx900M ROHS 1/64
2 N/A 506039000900R CORNER PAPER,1900x50x50mm ROHS  4/72
3 N/A 506039002500R CORNER PAPER,760x50x50mm ROHS  4/72
4 P-00006719 506040008810R CUSHION,EPS-R, LE1734 1
5 CB-00008002 453030300120R CABLE,AUDIO 1P 6FT BLACK/GREEN CP03B06P0 1
6 CB-00005254 453010100100R CABLE,D-SUB 15P MALE 6FT...

 53 
ViewSonic Corporation
  Confidential - Do Not Copy  VA703b-3_VA703m-3 
VA703b-3 
ViewSonic Model Number: VS11359
Rev: 1a
Item ViewSonic P/N Ref. P/N LocationQty
1 N/A 506431000300R FILM,PE 500mmx900M ROHS 1/64
2 N/A 506039000900R CORNER PAPER,1900x50x50mm ROHS  4/72
3 N/A 506039002500R CORNER PAPER,760x50x50mm ROHS  4/72
4 P-00006719 506040008810R CUSHION,EPS-R, LE1734 1
5 CB-00005254 453010100100R CABLE,D-SUB 15P MALE 6FT BLACK/BLUE,SZ40 1
6 A-00006730 703000002310R KIT,ACCESSORY,VA703B-INL(V7),...

 54 
ViewSonic Corporation
  Confidential - Do Not Copy  VA703b-3_VA703m-3 
9. Block Diagram 
 
 
XTAL
14.318MHz
TOP245YN OPP/OCP
LDO
5V-3.3V
5V-1.8V
Transformer1
OZ9938GN
R ectifier &
Filter Circuit
Panel Interface
TDA7496LK
Lamp2
Keyboard
Lamp3
Keypad
Connector
VGA InputVGA Connector
AC Line FilterAC Socket
TFT LCD Panel 17
MT170EN01(Innolux)
Feedback OVPLTV817M
Power
Transformer
Scaler
TSUM16AL
Power
Transformer2
Lamp1
Lamp4
AC Input 90V-264V
Phone
Jack
24C04
flash
Open
Protection
R ectifie r &...

 
55 
ViewSonic Corporation
  Confidential - Do Not Copy  VA703b-3_VA703m-3 
10. Schematic Diagrams  
From Power &
Inverter
From Keypad
+5V
+5V
GND
GND ON/OFF
BRIGHTNESS
VOL
MUTE
ORANGE GREEN
ON/OFF
ORANGE GREEN
VCC5V
VCC3.3VCC1.8
VCC5V
VCC3.3VCC3.3VCC3.3
VCC5V
VLCD
+
C101
100u/16V
Q103
PMBT39041
32
R110
4K7
C160 0.1/50V
+
C105
100u/16V
C107
0.1/50V
+
C102
100u/16V
R107
220
R105
20K
R102
100K
Q106
PMBT3904
1
32
CN101
8P 2.0mm
1
2
3
4
5
6
7
8
CN105
2x4P 2.0mm
12345678
R106 10K+
C111
10u/25V
R108
4K7...

Model
Title
DateRev:
ViewSonic Corporation
INPUT
DDCA_SCL
DDCA_SDA
DETECT R
B G
R
B G
DETECT
PC5V_VGA
VCC3.3
VCC3.3
VCC3.3
PC5V_VGA
ZD108 5V6/NC
R132 100
ZD105 5V6/NC
TVS103
BAV99/NC1
3
2
R133 75 1%
C113 0.047/50V
C110
0.01/50V/NC
TVS101
BAV99/NC1
3
2
R122
10K
R127 100
R126 100
R124 1K
R136 2K2
C112 0.047/50V
R119 56
C125 33p/50VC126 220p/50V
R150
4K7
C123 22p/50V/NC
C117 0.047/50V
ZD106 5V6/NC
FB108 60 Ω
C124 22p/50V/NCR134
75 1%R135 75 1%ZD107 5V6/NC
R114 100
R116 56
C116 0.047/50V
ZD101 5V6/NC
R120...

Model
Title
DateRev:
ViewSonic Corporation
SCALER
RXO1+
RXO3+
RXEC- RXOC+
RXE2+
RXE3-
RXE3+ RXO2+
RXE1+ RXE0+
RXE1- RXE0-
RXE2- RXOC- RXO0+
RXO2-
RXEC+ RXO0-
RXO3- RXO1-
VPLL
VCC3.3
VCC5V
VADC
VADC
VDDC
VCC3.3
VDDCVDDP
VADC
VMPLL
VPLL
VCC3.3
VCC1.8
VCC3.3
VLCD
VCC3.3
VDDP
VMPLL
VCC3.3
R138 100
R180 10K
C156
0.1/50V
RP101
10Kx4
8
1
7
2
6
3
5
4
C137 0.1/50V
R168 100
R172
10K
C141
0.1/50V
C147 0.1/50V
R182
4K7
R159 1K
FB103
60Ω
R156 NC
R139 100
R178 100
C149 0.1/50V
R170 0/NC
C148 0.1/50V
C152 0.1/50V
+...