Service Manual ViewSonic N4200w-1(M) Model No. VS10945-1M 42” LCD TV (N4200w-1M_SM_Rev.1a_Apr.2006) ® ViewSonic 381 Brea Canyon Road, Walnut, California 91789 USA - (800) 888-8583...
Further, ViewSonic reserves the right to revise this publication and to make changes from time to time in the contents hereof without obligation of ViewSonic to notify any person of such revision or changes.
Before replacing any of these components read the parts list in this manual carefully. The use of substitute replacement parts which do not have the same safety characteristics as specified in the parts list may create shock, fire, or other hazards. ViewSonic Corporation Confidential - Do Not Copy N4200w-1...
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(14)The LCD module is designed so that the CFL in it is supplied by Limited Current Circuit (IEC60950 or UL1950). Do not connect the CFL in Hazardous voltage Circuit. ViewSonic Corporation Confidential - Do Not Copy N4200w-1...
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That may cause ”Mura”. Place the LCD TV on a clean and soft foam Place the LCD TV on foreign objects. That pad. could scratch the surface of the panel or cause “Mura”. ViewSonic Corporation Confidential - Do Not Copy N4200w-1...
48.93 inch (W) x 29.09 inch (H) x 11.96 inch (D) Weight 33kg (72.68 lb) Regulations FCC, UL, cUL, NOM Power saving <240 W LED Green modes Passive <3 W Pre-test Timing Mode (Pre-adjusted to GTF 1360 x 768@60Hz) ViewSonic Corporation Confidential - Do Not Copy N4200w-1...
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720╳400@60Hz 720╳400@70Hz 720╳480@60Hz 640╳480@60Hz 640╳480@72Hz 640╳480@75Hz 800╳600@56Hz 800╳600@60Hz VESA 800╳600@72Hz VESA 800╳600@75Hz 832╳624@75Hz 1024╳768@60Hz VESA 1024╳768@70Hz 1024╳768@75Hz VESA 1280╳720@60Hz 1280╳720@75Hz 1280╳768@60Hz VESA 1280╳768@75Hz VESA 1280╳1024@60Hz 1280╳1024@75Hz 1360╳768@60Hz 480i(60Hz) 480p(60Hz) 720p(50Hz) 720p(60Hz) 1080i(60Hz) ViewSonic Corporation Confidential - Do Not Copy N4200w-1...
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Data Clock (SCL) for PC Bypass Connector pin assignments for HDMI cable HDMI: 19 pins HDMI connector is designed to match with HDMI digital signal cable, the pin assignment is as the following: ViewSonic Corporation Confidential - Do Not Copy N4200w-1...
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OSD menu Volume Up Increase volume or adjust a highlighted control increasingly while in OSD menu CH Down Channel down/ Scroll down CH Up Channel up/ Scroll up Power Turn the power ON/OFF ViewSonic Corporation Confidential - Do Not Copy N4200w-1...
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Have one HDMI cable terminals of your DVD player. Connect the VGA cable output of PC to the VGA terminal input. PC STEREO Connect the Audio in cable from audio output of your PC to the audio input terminal. ViewSonic Corporation Confidential - Do Not Copy N4200w-1...
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Connect Audio cable from compatible devices into the side jack. Pr/Cr Connect the external video device into this jack. Pb/Cb Connect the external video device into this jack. Connect the external video device into this jack. ViewSonic Corporation Confidential - Do Not Copy N4200w-1...
G: Press “MENU” key to enter the “FACTORY OSD”. H. Press “CH ” key to select the “Analog RGB Calibration” item in the factory OSD, and press “VOL+” key then the Calibration will be auto adjusted. ViewSonic Corporation Confidential - Do Not Copy N4200w-1...
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Before function test and alignment, each LCD TV should be warmed up for at least 30 minutes with the following conditions: (a) In room temperature, (b) With full-white screen, RGB, and Black (c) With cycled display modes, 640*480 (H=43.27kHz, V=85Hz) 800*600 (H=53.7kHz, V=85Hz) 1024*768 (H=68.67kHz, V=85Hz) 1280*1024 (H=79.97kHz, V=75Hz) ViewSonic Corporation Confidential - Do Not Copy N4200w-1...
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Figure 7 and Flicker Dead Pixel/Line White Screen and The numbers of dead pixels should Figure 7, 8 Dark Screen be compliant with the spec White Balance White and Black Figure 9 Pattern ViewSonic Corporation Confidential - Do Not Copy N4200w-1...
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Fine Line Morie Pattern (Figure 1) Gray Scale Pattern (Figure 2) Horizontal & Vertical Thickness Pattern (Figure 3) R.Color Pattern (Figure 4) G. Color Pattern (Figure 5) B. Color Pattern (Figure 6) ViewSonic Corporation Confidential - Do Not Copy N4200w-1...
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Before function test and alignment, each LCD TV should be warmed up for at least 30 minutes with the following conditions: (a) In room temperature, (b) With full-white screen, RGB, and Black (c) With cycled display modes, ViewSonic Corporation Confidential - Do Not Copy N4200w-1...
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1. Connector HDTV Signal to Interface YPbPr 2. Check Picture Unclear color steps, snowinterference , unclear gray steps ,water waves and unclear crosstalk can not happen. Picture must be vivid and clear. Audio must have no noise. ViewSonic Corporation Confidential - Do Not Copy N4200w-1...
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Before function test and alignment, each LCD TV should be warmed up for at least 30 minutes with the following conditions: (a) In room temperature, (b) With full-white screen, RGB, and Black (c) With cycled display modes, - Test Display Modes & Pattern ViewSonic Corporation Confidential - Do Not Copy N4200w-1...
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Unclear color steps, snow interference , unclear gray steps ,water waves and unclear crosstalk can not happen. Picture must be vivid and clear. Audio must have no noise. IV. HDMI INTERFACE FUNCTION TEST - Test Equipment 1. PC 2. VG859A ViewSonic Corporation Confidential - Do Not Copy N4200w-1...
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Horizontal and Vertical position of video Figure 3 Vertical should be adjustable within the screen Thickness frame RGB Color RGB Color Contrast of each R, G, B, color Figure 4, Performance Intensities should be normal 5, 6 ViewSonic Corporation Confidential - Do Not Copy N4200w-1...
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White Balance White and Black Figure 9 Pattern Gray Scale Pattern (Figure 2) Fine Line Morie Pattern (Figure 1) R.Color Pattern (Figure 4) Horizontal & Vertical Thickness Pattern (Figure 3) ViewSonic Corporation Confidential - Do Not Copy N4200w-1...
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G. Color Pattern (Figure 5) B. Color Pattern (Figure 6) Dark Screen Pattern (Figure 8) Full White Pattern (Figure 7) Black-White Pattern (Figure 8) ViewSonic Corporation Confidential - Do Not Copy N4200w-1...
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A. Timing: Video mode: 480i /PC mode: 640*480@75Hz. B. Pattern: ColorBar. C. BRIGHTNESS=MAX, CONTRAST=MAX. D. The power that each MODE consumes is shown in Chart 1. Mode Max Power consumed Power LED Color Power On <240W GREEN ViewSonic Corporation Confidential - Do Not Copy N4200w-1...
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After final QC step, we have to erase all saved changes again and restore the factory defaults. You should do “Factory Preset” again. Select “Factory Preset” from OSD. Power off the LCD display. Turn off the LCD display by pressing “Power” button. ViewSonic Corporation Confidential - Do Not Copy N4200w-1...
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(2) Connect the supplied cable from the PC’s RS-232 port to the target system’s update port (as shown in Figure 1). Figure 1 (3) Launch FlashUpgrader utility. Use the figure shown in Figure 2 to set the application. ViewSonic Corporation Confidential - Do Not Copy N4200w-1...
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Please verify the COM port selection in the FlashUpgrader utility is correct. (5) Select “Choose” in the FlashUpgrader dialog box, as shown in Figure 3, to browse for the appropriate appcode.inf file. Figure 3 ViewSonic Corporation Confidential - Do Not Copy N4200w-1...
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(9) When downloading completes, click “Finish” and power-cycle the system. (10) Select “Factory Preset” under the “OSD Setup menu”. (11) Power Off and then Power On LCD TV again. Firmware update procedure completes. ViewSonic Corporation Confidential - Do Not Copy N4200w-1...
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6.VGA RS-232 Cable 7. VGA Cable 8. CD (D8330 software & user’s manual) 9. PC CPU :PentiumIII 800 or above OS :Microsoft Windows 98/2000/xp Memory:128 MB or above CD-ROM Driver:For software installation. ViewSonic Corporation Confidential - Do Not Copy N4200w-1...
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(7) Press F4 (or buttom) and use Barcode to input the data (serious number). The system would check the length of input data. The function implement successfully would show the pass screen as below. ViewSonic Corporation Confidential - Do Not Copy N4200w-1...
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(10) Press F4 (or ) Use Barcode to input the data (serious number). The system would check the length of input data. The function implement successfully would show the pass screen as below. ViewSonic Corporation Confidential - Do Not Copy N4200w-1...
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Put all the accessories into the top cushion. (Figure 4) 1. Power Cable 2. VGA Cable 3. Manual 4.Remote Control 5.Batteries 6. Speakers 7.Screws (Figure 3) (Figure 4) Cover the Carton on LCD TV and seal it with tape. (Figure 5) ViewSonic Corporation Confidential - Do Not Copy N4200w-1...
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Disassembly of Stand and Back-cover from LCD TV. 1.1 Unscrew 6 screws to remove Stand. Stand Unscrew 3 screws to remove Cover-wireless. Unscrew 1 screw to remove Cove-DTV. Unscrew 3 screws to remove IO Box. ViewSonic Corporation Confidential - Do Not Copy N4200w-1...
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IO Box Cover-wireless Cover-DTV Unscrew 11 screws that secure Back-cover. Disconnect 2 speak cables to remove Back-cover. Back-cover ViewSonic Corporation Confidential - Do Not Copy N4200w-1...
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Disassembly of IO Board. Unscrew 6 screws to remove IO Box-Up. IO Box-Up Unscrew 5 screws to remove IO Board. IO Board IO Box-Down ViewSonic Corporation Confidential - Do Not Copy N4200w-1...
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Unscrew 5 screws that secure ground loop on cables. Unscrew 2 screws to remove Keypad-set. Disconnect all the cables on Main Board, Power Module, AC-IN Board, Keypad Board, IR Board and Panel. Keypad Board ViewSonic Corporation Confidential - Do Not Copy N4200w-1...
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Unscrew 1 screw to separate Keypad Board. Keypad Board Housing-Key Switch Unscrew 7 screws to remove Main Board. Main Board ViewSonic Corporation Confidential - Do Not Copy N4200w-1...
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Unscrew 6 screws to remove Power Module. Unscrew 3 screws to remove AC-IN Board. Power Module AC-IN Board ViewSonic Corporation Confidential - Do Not Copy N4200w-1...
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Unscrew 8 screws to remove 2 Gaskets. Gasket ViewSonic Corporation Confidential - Do Not Copy N4200w-1...
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Unscrew 8 screws to remove Chassis. 3.10 Remove 2 Cables. Chassis ViewSonic Corporation Confidential - Do Not Copy N4200w-1...
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3.11 Unscrew 2 screws to remove IR-LED-set. 3.12 Unscrew 2 screws to separate IR-LED Board. IR-LED Board Lense Housing-LED ViewSonic Corporation Confidential - Do Not Copy N4200w-1...
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Disassembly of Panel. Unscrew 15 screws to remove Front-cover. Front-cover ViewSonic Corporation Confidential - Do Not Copy N4200w-1...
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Unscrew 16 screws to remove 2 Corbel-MB, Corbel-panel and Corbel-panel-R. Corbel-MB Corbel-Panel Corbel-Panel-R ViewSonic Corporation Confidential - Do Not Copy N4200w-1...
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4.3 Unscrew 6 screws to remove Bracket-panel. Panel Bracket-panel ViewSonic Corporation Confidential - Do Not Copy N4200w-1...
10. PCB Layout Diagrams 10.1 Main PCB Top View ViewSonic Corporation Confidential - Do Not Copy N4200w-1...
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10.2 Main PCB Bottom View ViewSonic Corporation Confidential - Do Not Copy N4200w-1...
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10.3 Keypad Board Top View 10.4 Keypad Board Bottom View 10.5 IR Board Top View 10.6 IR Board Bottom View ViewSonic Corporation Confidential - Do Not Copy N4200w-1...
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10.7AC-in Board Top View ViewSonic Corporation Confidential - Do Not Copy N4200w-1...
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10.8AC-in Board Bottom View ViewSonic Corporation Confidential - Do Not Copy N4200w-1...
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10.9 IO Board Top View ViewSonic Corporation Confidential - Do Not Copy N4200w-1...
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10.10 IO Board Bottom View ViewSonic Corporation Confidential - Do Not Copy N4200w-1...
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10.11 Power Top View ViewSonic Corporation Confidential - Do Not Copy N4200w-1...
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10.12 Power Bottom View ViewSonic Corporation Confidential - Do Not Copy N4200w-1...
Remark 2: All revised RSPLs with newly added items or any change made should be highlighted and correlated with the ECN/ECR approved by ViewSonic Corporation. This is to eliminate repeated cross checks of each item between this version and prior versions.
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Add: Tel: Fax: E-mail: After completing this form, please return it to ViewSonic Quality Assurance in the USA at facsimile 1-909-839-7943. You may also e-mail any suggestions to the Director, Quality Systems & Processes (marc.maupin@viewsonic.com) ViewSonic Corporation Confidential - Do Not Copy...
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