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Service Manual ViewSonic N2230w-2M Model No. VS12116-2M 22” LCD TV (N2230w-2M_SM Rev. 1a Jun. 2008) ® ViewSonic 381 Brea Canyon Road, Walnut, California 91789 USA - (800) 888-8583...
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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.
(IEC60950 or UL1950), or be applied exemption. (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 N2230w-2M Confidential - Do Not Copy...
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Taking out the monitor by grasping the LCD panel. That may cause “Mura” Place the monitor on a clean and soft foam pad. Placing the monitor on foreign objects. That could scratch the surface of the panel or cause “Mura” ViewSonic Corporation N2230w-2M Confidential - Do Not Copy...
2. Specification LCD panel of this product shall be provided by “MTD” with a model number of CLAA220WA01. The following table defines this panel specification. Any changes in panel must be pre-approved by ViewSonic in written. Parameter Specification a-Si TFT Active Matrix Wide Color, Transmissive Mode, Normally...
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+/- 3 db (at 1KHz @1W) Response Total Harmonic Distortion <2% <2% (Po=0.1 to 1 W, f=1KHz) 12 dB (100Hz to 1KHz) Signal to Noise: 35 dB (100Hz to 10 kHz) 8 dB (1kHz to 10kHz) ViewSonic Corporation N2230w-2M Confidential - Do Not Copy...
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Function properly without reset or visible screen artifact when 9 Power Supply Missing Cycle Immunity 1/3 cycle of AC Power is randomly missing. 10 Power Supply Acoustics The Power Supply shall not produce audible noise that would be ViewSonic Corporation N2230w-2M Confidential - Do Not Copy...
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Power Key - PANTONE 032C (RED) Color Key Pads – PANTONE 10C & PANTONE 7C(Cool Gray) Texts Printed on Front Cover and Key Pads - PANTONE 427C Protocol VS key-code & protocol. ViewSonic Corporation N2230w-2M Confidential - Do Not Copy...
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=0.7mm screw mounting kit not included. Sample Sample of textured color chips, plastic material specification, and Material Safety Data Sheets shall be submitted to ViewSonic prior to Mass Production Release. In addition, all exterior surfaces shall have uniform texture/color. The maximum acceptable gap between the buckets to bezel plastic pieces shall be within 1 mm.
Channel down when source is TV, or select a control while in CH Down OSD menu. CH Up Channel up when source is TV, or select a control while in OSD menu. INPUT Select input source. ViewSonic Corporation N2230w-2M Confidential - Do Not Copy...
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A/V device. PC Audio input Connect the RGB Audio Out on your computer to the RGB Audio on the rear of the LCD TV. ViewSonic Corporation N2230w-2M Confidential - Do Not Copy...
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Connect the Audio in cable for YPbPr/ HDMI-DVI from this jack to the corresponding connectors on your A/V device. Audio input (left/ right) Connect this jack to your Cable or VHF/UHF antenna. 12 TV Input Jack ViewSonic Corporation N2230w-2M Confidential - Do Not Copy...
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POWER mode. Press it again to return to the standby mode. ▲▼◄► Press these buttons to navigate the OSD menus. ▲/▼ buttons is for function select, and ◄/► is for function adjustment. ViewSonic Corporation N2230w-2M Confidential - Do Not Copy...
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TV broadcasting station. (EX: Mono, Stereo, SAP) 18 C.C Press to select the Closed Caption menu in the TV mode. Press to return to previous channel. 19 RECALL N4750p ViewSonic Corporation N2230w-2M Confidential - Do Not Copy...
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(It shows all or some of the information about Input, Channel, Resolution, Audio Type, etc., depending on what input source it is in) *The picture here shows an example of the INFO screen in a DTV source. ViewSonic Corporation N2230w-2M Confidential - Do Not Copy...
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(► will only appear when the control is highlighted) 6. Press ◄► to adjust or select the settings. 7. Press MENU to exit from the OSD menu. ViewSonic Corporation N2230w-2M Confidential - Do Not Copy...
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4. To cancel the selection, Press ENTER again on the selected channel. 5. Press MENU to exit. *To view your favorite channels, press FAV button to show Favorite List and select your favorite channels that have already been stored. ViewSonic Corporation N2230w-2M Confidential - Do Not Copy...
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5. Use ▲ or ▼ to choose letters or signs, ◄ or ► to move forward or backward. 6. After you input the channel name, press MENU or ENTER to complete the setting. 7. Press MENU to exit. ViewSonic Corporation N2230w-2M Confidential - Do Not Copy...
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(2) Press ◄ or ► to select your desired top Menu. (3) Press ▲ or ▼ to select the control with ►, including “Treble/Bass”, “Closed Caption”, “Restore Default”, then press ► to perform the function or enter detailed settings. ViewSonic Corporation N2230w-2M Confidential - Do Not Copy...
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Advanced Selection, and use ◄ or ► to make your choice. Basic Selection: To set basic analog closed caption options. (CC1~CC4, TEXT1~TEXT4, Off) Advanced Selection: To select closed caption signal formats and set up caption modes for digital TV channels. (Service1~6, Off) ViewSonic Corporation N2230w-2M Confidential - Do Not Copy...
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3. Press ENTER or ▼ to enter Password. 4. Enter the password. (The default password is 0000) 5. Move to “System Lock”, and select “On” to enable the detailed settings. 6. Move to “US” or “Canada” rating system. ViewSonic Corporation N2230w-2M Confidential - Do Not Copy...
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PG-13 (recommended for children 14 years of age or older) R (mature audience) NC-17 (no one under 17 years of age) X (adult audience only) N/A (not applicable) 3. Press MENU to exit. ViewSonic Corporation N2230w-2M Confidential - Do Not Copy...
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8ans+ (children eight years and older) 13ans+ (not appropriate for children of less than 13 years) 16ans+ (not appropriate for children of less than 16 years) 18ans+ (reserved to adults) EXEMPT (exempt) 4. Press MENU to exit. ViewSonic Corporation N2230w-2M Confidential - Do Not Copy...
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4. Enter your new password again on “Confirm Password”. After you complete the last step, the screen will return to the top page of LOCK menu. If so, the password has been changed successfully. ViewSonic Corporation N2230w-2M Confidential - Do Not Copy...
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3. Press ENTER or ► to enter “OPTION” menu. 4. Press ▲ or ▼ to select “Restore Default”, then press ► to restore the factory default setting. 5. Select “Yes” and press ENTER to confirm the setting. ViewSonic Corporation N2230w-2M Confidential - Do Not Copy...
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If you forget your initial password,you can press"3660"to resume. "MENU" Lock & Un-lock: Pressing "Vol+" and "Vol-" from Front Panel Keys. "POWER" Lock & Un-lock: Pressing "Vol+" and "MENU" from Front Panel Keys. ViewSonic Corporation N2230w-2M Confidential - Do Not Copy...
CVBS1 Analog Input Analog Composite Input for TV CVBS1 30 CVBS2 Analog Input Analog Composite Input for TV CVBS2 29 CVBS3 Analog Input Analog Composite Input for TV CVBS3 28 DREXT Analog Input Reference Current Generator, 820 ohm to Ground 170 ViewSonic Corporation N2230w-2M Confidential - Do Not Copy...
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DDC_ROMSDA I/O DDC ROM Data for D-SUB Input 36 SDRAM Interface SDR_CSZ Output SDRAM Chip Select; active low 134 SDR_CKE Output SDRAM Clock Enable 126 SDR_AD[11:0] Output SDRAM Address Bus 148-137 SDR_BA[1:0] Output SDRAM Bank Select 129, 130 ViewSonic Corporation N2230w-2M Confidential - Do Not Copy...
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FAULTZ Analog Input Fault Detection (Low Enable) 209 VIN Analog Input System Input Voltage Detection 210 Misc. Interface RESET Schmitt Trigger Input w/ 5V-tolerant Hardware Reset; active high 61 XIN Analog Input Crystal Oscillator Input 256 ViewSonic Corporation N2230w-2M Confidential - Do Not Copy...
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It contains a 12-bit A/D converter and a PWM generator for automatic gain control. A host interface with an I2C bus is also included to control the behavior of the MSD809. ViewSonic Corporation N2230w-2M Confidential - Do Not Copy...
Figure 4, Set Color bar to 100 IRE then move the cursor to the White Balance figure 5. Press “►” Key figure 6. That will do auto white balance. Finally change 16 gray scale must be claire in each grays. ViewSonic Corporation N2230w-2M Confidential - Do Not Copy...
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At this point in tuner to the joints on the need for 'AIR NTSC and ATSC 2 both systems were mixed with the signal Election INPUT SOURCE cut to TV, so that OSD selected "tuner MODE" CATV, encumbered ViewSonic Corporation N2230w-2M Confidential - Do Not Copy...
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B. Input full white pattern then measure the luminance. For example Value A C. Input full dark pattern the measure the luminace. For example Value B D. These two value ratio must be more than 8000. (A/B). ViewSonic Corporation N2230w-2M Confidential - Do Not Copy...
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DIGITAL CABLE TV Frequence Table (table 3) U.S.A Channel Frequency Assignments (Cable) unit:MHz. CH NO. DTV Center Freq CH NO. DTV Center Freq CH NO. DTV Center Freq ViewSonic Corporation N2230w-2M Confidential - Do Not Copy...
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(3). After all of FUNCTION TEST completed, we must erase all saved changes again and restore the factory defaults. DTV TEST ITEM CHANNEL FREQUENCY SOUND PETTEN CHECK CONTENT Dynamic 471.25MHz Picture picture 603.25MHz Color bar Color Dynamic 801.25MHz Sound and Picture picture ViewSonic Corporation N2230w-2M Confidential - Do Not Copy...
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LEVEL<45~85> dBu, regards as normally. TIMING TABLE (FACTORY PRESET MODE) (table 4) Resolution V-freq D-SUB DVI TO HDMI 59.8 1440x900 59.9 1280x1024 1280x960 1360x768 1280x768 1280x720 1152x864 1152x870 1024x768 832x624 800x600 640x480 720x400 640x350 1680 x1050 ViewSonic Corporation N2230w-2M Confidential - Do Not Copy...
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5.4.2 Connection PC to the Tv set by the tool as the follow picture (pc1~pc4) Action: The D_SUB cable must be 15 pin, and the TV set must be AC ON pc.1 pc 2 pc 3 ViewSonic Corporation N2230w-2M Confidential - Do Not Copy...
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Press the “config” , if the the ISP board have been found ,you will see the picture as bellow. pc.5 Press the “Connect” ,If all the things are ok and ready, it will show the device type as the bellow picture. Than pres “確定” pc.6 ViewSonic Corporation N2230w-2M Confidential - Do Not Copy...
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6. Pull away the AC power Cord and the D-SUB Cable. And start another TV set. When we start another TV set with AC ON, we only need to press the “RUN” ViewSonic Corporation N2230w-2M Confidential - Do Not Copy...
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- RS-232 cable - Barcode Reader - VGA Cable N2230W2M LCD TV DDC Card RS-232 Cable VGA Cable Barcode Reader 5.5.2 Setup Procedure 1. Connect VGA Card and DDC Card with RS-232 cable. ViewSonic Corporation N2230w-2M Confidential - Do Not Copy...
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4. Connect Power Cord to N2230W2M LCD TV. 5. Press ‘MENU’and ‘ENTER’ at the same time, then go into the BURN IN MODE. 5.5.3 DDC Key In Procedure 1. run DDC exe 2. Choose model number the ViewSonic Corporation N2230w-2M Confidential - Do Not Copy...
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3. Press “ENTER” key. 4. Press “F4” key and Input bar code ViewSonic Corporation N2230w-2M Confidential - Do Not Copy...
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5. Press “ENTER” key, then the successful picture is as follows. “DDC DOWNLOED 6. Exit program. ViewSonic Corporation N2230w-2M Confidential - Do Not Copy...
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N2230W2M LCD TV RS-232 Cable HDMI Cable Barcode Reader 5.6.2 Setup Procedure 1. Connect HDMI Card and DDC Card with RS-232 cable. 2. Barcode Reader connects with keyboard and PC keyboard port. ViewSonic Corporation N2230w-2M Confidential - Do Not Copy...
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3. Connect DDC Card and N2230W2M LCD TV with HDMI Cable. 4. Connect Power Cord to N2230W2M LCD TV. 5.6.3 DDC Key In Procedure 1. Run DDC.exe 2. Choose model number then ViewSonic Corporation N2230w-2M Confidential - Do Not Copy...
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3. Press “ENTER” key. 4. Press “F4” key. ViewSonic Corporation N2230w-2M Confidential - Do Not Copy...
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5. Input bar code 6. Press “ENTER” key, then the successful picture is as follows. “DDC DOWNLOED 7. Exit program. ViewSonic Corporation N2230w-2M Confidential - Do Not Copy...
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1.4 Place the LCD TV into the carton and then Put the other cushions on the LCD TV,put all the accessories into the carton. At last, close the carton and seal it with tape. (Figure 4) 1.User’s Guide 2.Guarant Card 3.Battery Power Cord Remote control Figure 3 Figure 4 ViewSonic Corporation N2230w-2M Confidential - Do Not Copy...
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PACKING PART LIST ( N2230w-2 ) ViewSonic Model Number: VS12116-2M Rev: 1a Item ViewSonic P/N Ref. P/N Description Q'ty N2230W2M monitor P-00008938 2013053000P POLYETHY BAG P-00009102 2012107000P POLYFOAM (R) P-00009103 2012107100P POLYFOAM (L) P-00008947 2013222536P POLYETHY BAG 2001131950P OWNER GUIDE...
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Disassembly Procedure Disassembly of Stand, Front Cover and Rear Cover from LCD TV. 1.1 Unscrew 9 screws to remove Rear cover. Rear cover 1.2 Unscrew 4 screws to remove Stand. Stand ViewSonic Corporation N2230w-2M Confidential - Do Not Copy...
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2. Disassembly of Front cover, Shield Plate, Main Board, Power Board and Panel Unit. 2.1 Unscrew 5 screws to remove Bracket fix. Bracket fix 2.2 Unscrew 2 screws to remove Front cover. Front cover ViewSonic Corporation N2230w-2M Confidential - Do Not Copy...
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2.3 Unscrew 7 screws to remove Shield Plate. Shield Plate 2.4 Unscrew 6 screws and disconnect the wires to remove Power Board. Power Board ViewSonic Corporation N2230w-2M Confidential - Do Not Copy...
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2.5 Unscrew 4 screws and disconnect the wires to remove Main Board. Main Board 2.6 Unscrew 4 screws to remove Panel Unit and Panel Bracket. Panel Unit ViewSonic Corporation N2230w-2M Confidential - Do Not Copy...
Remark 1: Above listed items are examples, supplier can expand the rows to add more necessary items. 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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Item ViewSonic P/N Ref. P/N Description Location Universal number# Q'ty 2346710596P CS 0603/Y5V/16V 1.0u Z T CAP CHIP C621 2346710596P CS 0603/Y5V/16V 1.0u Z T CAP CHIP C624 2346710596P CS 0603/Y5V/16V 1.0u Z T CAP CHIP C627 2346710596P CS 0603/Y5V/16V 1.0u Z T...
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Item ViewSonic P/N Ref. P/N Description Location Universal number# Q'ty 2345710496P CS 0402/Y5V/16V 0.1u Z T CAP CHIP C278 2345710496P CS 0402/Y5V/16V 0.1u Z T CAP CHIP C279 2345710496P CS 0402/Y5V/16V 0.1u Z T CAP CHIP C280 2345710496P CS 0402/Y5V/16V 0.1u Z T...
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Item ViewSonic P/N Ref. P/N Description Location Universal number# Q'ty 2340133196P CS 0402/NPO/50V 330p J T CAP CHIP C543 2340133196P CS 0402/NPO/50V 330p J T CAP CHIP C544 2340133196P CS 0402/NPO/50V 330p J T CAP CHIP C549 2340133196P CS 0402/NPO/50V 330p J T...
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Company: 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 N2230w-2M Confidential - Do Not Copy...