ViewSonic VA720 Support Question
ViewSonic VA720 Support Question
Find answers below for this question about ViewSonic VA720 - 17" LCD Monitor.Need a ViewSonic VA720 manual? We have 2 online manuals for this item!
Question posted by Anonymous-20446 on December 12th, 2010
Ac/dc Power Adapter Specs.
We lost the AC/DC power adapter and cord for our Viewsonic VA720 monitor.
Can someone tell us what the specification for this adapter is? (volts and amps DC, name of the style of the "DC in" plug on the monitor.)
Rather that pay a hellish price to replace this cable, I am hoping there is a low cost generic solution.
Thanks in advance,
Stan in San Jose, CA
Current Answers
Related ViewSonic VA720 Manual Pages
User Guide - Page 2
...
Using the ViewPanel Display
Setting the Timing Mode 6 OSD and Power Lock Settings 6 Adjusting the Screen Image 7 Main Menu Controls 9
Other Information
Specifications 12 Troubleshooting 13 Customer Support 14 Cleaning the ViewPanel Display 15 Limited Warranty 16
Appendix
Safety Guidelines 17 Compliance Information for U.S.A 18 CE Conformity for Europe 18
06/28/02 B
ViewSonic VA720 1
User Guide - Page 4
... or power cord.
• If smoke, abnormal noise, or strange odor is dangerous to direct sunlight or another heat source. Your ViewPanel display contains high-voltage parts. ViewSonic VA720 3 ...
Your ViewPanel package includes: • ViewPanel display • Power cord • AC/DC power adapter • Video cable • ViewSonic Wizard CD-ROM
NOTE: The CD jacket contains the Quick ...
User Guide - Page 5
...display before computer) is complete. Attach the adapter to the computer and plug the video cable into the computer's CD...AC/DC Power Adapter
AC outlet (wall socket)
Power cord to adapter Power cord to computer Video cable to ViewSonic.
NOTE: If the CD-ROM does not auto-start . Panel to install the INF file. NOTE: Windows users may mail or fax to computer
Kensington Lock
ViewSonic VA720...
User Guide - Page 13
Other Information
Specifications
LCD
Type
Color Filter Glass surface
17.0" (full 17.0" viewable diagonal area), TFT (Thin Film Transistor), Active Matrix SXGA LCD, 0.264 mm pixel pitch RGB vertical stripe ... x 624 @ 75 Hz 800 x 600 @ 60, 75 Hz 640 x 350 @ 70 Hz 720 x 400 @ 70 Hz
Power
Voltage
100-240 VAC, 50/60 Hz (auto switch)
Display area
Full Scan
337.9mm (H) x 227.0 mm (V) 13.3" (H) ...
User Guide - Page 14
ViewSonic VA720 13
If the other end of the computer. Wrong or abnormal colors • If ...
No power • Make sure power button (or switch) is ON. • Make sure A/C power cord is securely connected to the DC power supply
and the power supply is firmly connected to the ViewPanel® display. • Plug another computer. • If you need a Macintosh adapter. Control...
User Guide - Page 17
... additional information or the name of the product. Some states do not allow the exclusion of supplies or parts not meeting ViewSonic's specifications. d. How to the product, such as electrical power fluctuations or failure. ANY OTHER DAMAGES, WHETHER INCIDENTAL, CONSEQUENTIAL OR OTHERWISE.
3.
ViewSonic LCD Warranty (V2.0)
Release Date: 10-15-1999
ViewSonic VA720 16 What the warranty...
User Guide - Page 18
...$SSOLDQFH&RQWURO$FW
IMPORTANT NOTICE CONCERNING POWER CORD SELECTION
The power cord set which is marked with the letter N or coloured BLACK. IF THE FITTED MOULDED PLUG IS UNSUITABLE FOR THE SOCKET OUTLET THEN THE PLUG SHOULD BE CUT OFF AND DISPOSED OF SAFELY. WARNING: THIS APPLIANCE MUST BE EARTHED. ViewSonic VA720 17
The cord set must meet IEC-60320...
User Guide - Page 19
...which can radiate radio frequency energy, and if not installed and used , use grounded power supply cord and the provided shielded video interface cable with the limits for Europe
The device complies ... compliance, the user must use only a shielded BNC(5) cable. Compliance Information for help.
ViewSonic VA720 18 If a BNC cable is no guarantee that to be determined by 93/68/EEC ...
Service Manual - Page 1
Service Manual
ViewSonic VA720-2
Model No. VLCDS23724-2W 17" Color TFT LCD Display
(VA720-2_SM_593 Rev. 1a - Jan.. 2004) ViewSonic“ 381 Brea Canyon Road, Walnut, California 91789 USA - (800) 888-8583
Service Manual - Page 5
...°C
ViewSonic Corporation
Confidential - Do Not Copy
VA720-2
2 2. Specification
2.1. PRODUCT SPECIFICATIONS LCD panel type Power Consumption Displayable Resolution Pixel dimension Display Color Viewing Angle (CR≥10) Response Time Contrast Ratio Brightness Active Display Area
AC/DC adapter
Dimensions ( WxHxD ) Weight (Net / Gross) Input connector Power management Temperature
17...
Service Manual - Page 6
...725kHz, 12. MAC 1024 x 768 @ 75Hz, 60.241kHz, 17. It is called 15 Pin Mini D-sub Connector. VESA 640 .... D-SUB CONNECTOR This section describes the pin assignment of the LCD's video connector. VESA1024 x 768 @ 70Hz,56.476kHz, -/...VA720-2
3 VESA 720 x 400 @ 70Hz, 31.467kHz, +/3. VESA 640 x 480 @ 60Hz, 31.469kHz, -/4. DDC data Horizontal sync signal Vertical sync signal DDC clock
ViewSonic...
Service Manual - Page 7
... the monitor, un-plug the AC cord, then press " " and "Power " key at the same
time and plug the AC cord. 12) Factory Mode:First, power off the monitor, un-plug the AC cord and be sure the signal cable is connected(D-sub
connected) , then press "2" and "Power " key at the same time and plug the AC cord. 13) RUN-IN mode: First, power off the monitor, un-plug the AC cord...
Service Manual - Page 8
...to 2.5V for panel use . ViewSonic Corporation
Confidential - DC-DC CONVERTER AND LDO
This brick converts ...LCD) monitor at 150Khz. Scaling controller The gm2121 is a complete 8-bit up table (LUT) for each input color channel intended for improving the sharpness and definition of a PWM IC (LM2596), flywheel Diode (D4), buck choke (L1), and capacitor (C68,C69).
B. Do Not Copy
VA720...
Service Manual - Page 9
ViewSonic Corporation
Confidential - Press the [2] button to eliminate waviness and distortion. 5. Adjusting Procedure
Auto Image Adjust automatically sizes, centers, and fine tunes the video signal to obtain a sharper image. Do Not Copy
VA720-2
6
First, power off the monitor, un-plug the AC cord and be sure the signal cable is connected (D-sub connected) , then press "2" key at ...
Service Manual - Page 10
...) vertical Line is dark
Check SW board S1~S5
Check OSD adjustment
Check inverter Check backlight
RGB SIGNAL ERROR
Check signal cable Check I/F board Check LCD panel
Check LCD panel
Check I/F board
Check SW board JP1 Check inverter Check I/F board
ViewSonic Corporation
Confidential - 6. Do Not Copy
VA720-2
7
Service Manual - Page 14
...HBDGA1724D8---- PANEL(17" AU)
PANEL(17" AU)
1
21 B-SB-0221-0483
RUNTP5469T8---- INVERTER
INVERTER
1
22 A-VC-0101-0360
QCODS1676T8---- AC POWER CORD 1.8M
AC POWER CORD 1.8M
1
5 A-PC-0106-0181
QACC-1228T8D-F-
VIEWSONIC LOGO
VIEWSONIC LOGO
1
16 M-MS-0808-8126
PISLV0205D8---A
DECORATION PLATE
DECORATION PLATE
1
17 M-MS-0808-8125
PGAD-1009D8---- Do Not Copy
VA720-2
11
Service Manual - Page 15
...SPAKK6322D8---SPAKK6346D8---SPAKK6357D8---ZSHETVR02X510-ZSHETVR05X1220ZTIE-P155Y1800ZTAPEQ019T040-ZTAPEQ072T050-B PISL-1246D8----
BOM LIST FOR VA720-2
Item ViewSonic P/N
1 C-BS-0303-0299
2 M-MS-0808-8124
3 M-MS-... 6BIT A MINUS PANEL (17"AU) 6BIT A MINUS PANEL (17"AU) AC/AD ADAPTER(HJC 4A 1.65) MODEL LABEL AC POWER CORD EU 1.8M BLACK VGA CABLE 1.8M FOR PC99 AC POWER CORD(1.8M)USA UPC LABEL S/N...
Service Manual - Page 16
...8PCS 4PCS 11PCS 3PCS 1PCS 4PCS 2PCS 5PCS 1PCS
VA720-2 P/N RCRSL1088T8---RCRSL1255T8---RCHOL1098T8640RCHOL1100T8640QJAKD1018T8D--VCEACU1CG337M-P VCEATU1CH107M5TLAB-3547T8---VSISST39VF010-S... OSC(14.318 MHZ) OSC(14.318 MHZ) CHOKE 64UH CHOKE 64UH POWER JACK E,Capacitor,330UF/16V E,Capacitor,100UF/16V PWB LABEL MCU IC,39VF010-90...17,46, R36,37, R5,6,7,8,16 R43
ViewSonic Corporation
Confidential -
Service Manual - Page 17
...MODEL: CPWBGA720T8ACEB
1 M-LCD-0826-0137 VVLM170EN05--N-
...
12
#N/A
ZTAPEL025S030--
13
#N/A
ZTAPEY020W066U-
14
#N/A
PRDAA6380D8----
Do Not Copy
VA720-2
14 Item ViewSonic P/N
95
#N/A
96
#N/A
97
#N/A
98
#N/A
99
#N/A
100
#N/A
101... SW1,2,3,4,5 LED1 J1 J2,3,4 J5 PWB LABEL
6BIT A MINUS PANEL(17"AU) FOR AU 17" SIDE MOUNT INVERTER I/F BOARD (FOR GENESS) LVDS CABLE CD DRIVER...
Service Manual - Page 21
...Not Copy
VA720-2
18 9.BLOCK DIAGRAM
COMPUTER CN3 GRAPHIC (DB15)
INTERFACE BOARD(DPWBN5493T8---A)
SCALER GM2121 (U2)
CN1 30 PIN LVDS CABEL
DDC EPROM 24C21A (U12)
FLASH (U5)
JP3 TO INVERTER
JP2
SWITCH MODE POWER SUPPLY
12V 2.5V 5V
CN4
SW BOARDJP7 DPWBN5415T8---A
FROM A/D ADAPTOR
C
CON1
C
O
O
N INVERTER
N
3 RUNTPC5O4N619T8---- 2
C
0
17" LCD N
PANEL
1
ViewSonic Corporation...
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