ViewSonic N2230w-2M Service Manual Download Page 3

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TABLE OF CONTENTS

1. Precautions and Safety Notices

................................................................. 1

3. Front Panel Function Control Description

................................................ 8

4. Circuit Description

....................................................................................... 25

5. Adjustment Procedure

................................................................................ 29

6. Trouble Shooting Flow Chart

..................................................................... 54

7. Block Diagram

............................................................................................. 57

8. Schematic Diagrams

.................................................................................... 58

9. PCB Layout Diagrams

................................................................................. 71

10. Exploded

View

And Exploded Parts List

.................................................. 76

11. Recommend Spare Parts List

................................................................... 79

2. Specification

................................................................................................. 3

ViewSonic Corporation

Confidential - Do Not Copy

2230w

Summary of Contents for N2230w-2M

Page 1: ...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 ...

Page 2: ...any particular purpose 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 Trademarks Optiquest is a registered trademark of ViewSonic Corporation ViewSonic is a registered trademark of ViewSonic Corporation Revision History Revision SM Editing D...

Page 3: ...ircuit Description 25 5 Adjustment Procedure 29 6 Trouble Shooting Flow Chart 54 7 Block Diagram 57 8 Schematic Diagrams 58 9 PCB Layout Diagrams 71 10 Exploded View And Exploded Parts List 76 11 Recommend Spare Parts List 79 2 Specification 3 ViewSonic Corporation Confidential Do Not Copy N2230w 2M ii ...

Page 4: ...immediately Long contact with water may cause discoloration or spots 4 When the panel surface is soiled wipe it with absorbent cotton or other soft cloth 5 Since the panel is made of glass it may break or crack if dropped or bumped on hard surface 6 Since CMOS LSI is used in this module take care of static electricity and insure human earth when handling 7 Do not open nor modify the Module Assembl...

Page 5: ...rizer Surface of the LCD panel is pressed by fingers and that may cause Mura Take out the monitor with cushions 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 Confidential Do Not Copy N2230w 2M 2 ...

Page 6: ...ed video cards see 7 1 General Test Equipment in the primary mode VGA 60 Hz and after user adjustment b No image drift or lose fine tune settings due to panel temperature change Panel Acceptance Spec Refer to the panel acceptance criteria specification Note Intermittent and or Display Pattern defects which result in further bright or dark dots will be counted individually against the above specifi...

Page 7: ...Hz Vertical 50 75 Hz 16 7 M DDC2B Compliant Rev 1 3 Refer to Appendix 3 Audio Audio amp of this product shall be provided by ESMT with a Model Number of AD5265A MST MSD2232AL for N1930w 2M shall be used as sound processor In addition a pair of speakers shall be integrated within this product The audio signals of this product shall comply with the specification listed in the following table Paramet...

Page 8: ...is randomly missing 10 Power Supply Acoustics The Power Supply shall not produce audible noise that would be Picture Mode Standard Dynamic Soft Personal Contrast 0 75 100 Brightness 0 50 100 Sharpness 0 50 100 Tint 50 0 50 Color 0 84 100 Color Mode Cool Normal Warm Zoom Mode Full Movie Scale Zoom In 4 3 PICTURE NR Standard Strong Weak Auto Off Sound Mode Standard Music Movie Sports Personal Treble...

Page 9: ...it shall have an operational distance of 5 meters and an operational angle of 15 degrees for both horizontal and vertical Besides the key code and protocol has fully conformed to VS standard Parameter Specification Type IR Made by Sighter Electronics Co Ltd Range Off axis 15 5M On axis 7M Life Testing Buttons 100 000 cycle operations at a rate of 20 30 cycle minute without load with battery Color ...

Page 10: ...vided and confirmed by ViewSonic Rear Label A label identifying the product name model serial number and FCC ID Logo shall be placed into the rear label recess located on the rear panel of the chassis Wall Mount 100 mm x 100mm VESA high hole n 4 M4 X 10mm pitch 0 7mm screw mounting kit not included Sample Sample of textured color chips plastic material specification and Material Safety Data Sheets...

Page 11: ...de 3 Remote Control Receiver Receives IR signals from the remote control 4 Volume Down Decrease sound volume or adjust a highlighted control while in OSD menu 5 Volume Up Increase sound volume or adjust a highlighted control while in OSD menu 6 MENU Turn OSD menu ON OFF 7 CH Down Channel down when source is TV or select a control while in OSD menu 8 CH Up Channel up when source is TV or select a c...

Page 12: ...nect this jack to the YPbPr output of A V device 5 Composite Video input Connect this jack to the composite video output connectors on your A V equipment 6 S Video input Connect the S Video cable from the compatible device to this connector on the rear panel of the LCD TV 7 AV S Video YPbPr DVI Audio input left right Connect the Audio in cable for AV S Video YPbPr HDMI DVI from this jack to the co...

Page 13: ...deo signal Audio input left right Connect the Audio in cable for AV S Video from this jack to the corresponding connectors on your A V device 11 YPbPr DVI signal Audio input left right Connect the Audio in cable for YPbPr HDMI DVI from this jack to the corresponding connectors on your A V device 12 TV Input Jack Connect this jack to your Cable or VHF UHF antenna ViewSonic Corporation Confidential ...

Page 14: ...e GUIDE screen in a DTV source 6 LIST Press this button to show a small window showing program list you can scroll through the list to select the channel you want directly without using the button 7 0 9 number buttons Press 0 9 and to select a channel After you input the channel numbers press ENTER button to direct to the channel immediately or wait for 3 seconds to change automatically 8 POWER Pr...

Page 15: ... Press to turn off the sound To restore the sound press this button again or press the VOL button 15 INFO Press this button to display the current state of the LCD TV 16 SLEEP Press repeatedly to set the off timer The function is used to automatically shut off the LCD TV after a preset period of time passed There are several times for choice Off 5 Min 10 Min 15 Min 30 Min 45 Min 60 Min 90 Min 120 ...

Page 16: ... to select the sub channel in DTV Ex Your desired number is 80 3 Press 8 press 0 press press 3 Return to the previous channel press RECALL button Adjusting the Volume Press VOL to adjust volume To turn off the volume press MUTE To restore volume press MUTE again or press VOL directly Viewing the Displayed Information To display the current information of the LCD TV Press INFO and the current state...

Page 17: ...at any time 5 The Auto Scan screen will be shown and after it is done the screen will return to the first found channel Viewing the Menus 1 Press the MENU button to display the OSD main menu There are six top menus on the screen PICTURE AUDIO TIME OPTION LOCK and CHANNEL 2 Press or to select your desired top menu 3 Press ENTER or to enter the menu you select 4 Use to select the control you want to...

Page 18: ...s the MENU button to display the OSD main menu 2 Press or to select the CHANNEL menu Press or to select Favorite then press button to enter Favorite setting 3 Press or to select the channel you d like to be your favorite channel Press ENTER to confirm your selection 4 To cancel the selection Press ENTER again on the selected channel 5 Press MENU to exit To view your favorite channels press FAV but...

Page 19: ...l name press MENU or ENTER to complete the setting 7 Press MENU to exit Adding Erasing Channel When the channel is erased it will not appear on the screen when you browse the channels with CH button To see the channel again you must add the channel or perform the Auto Scan page 26 function again 1 Press the MENU button to display the OSD main menu 2 Press or to select the TV menu Press or to selec...

Page 20: ... Color Mode Zoom Mode NR Noise Restriction Sound Mode MTS Prefer Language in DTV mode Surround Sound Audio Only Sleep Timer Time Zone DST Time Format Auto Sync Clock Menu Language Transparency OSD Time Out DCR Dynamic Contrast Ratio then press or to select your desired option 4 Press MENU to exit 3 1 Press the MENU button to display the OSD main menu 2 Press or to select your desired top Menu 3 Pr...

Page 21: ...enu 3 Press or to select Sleep Timer and press or to set the Sleep Timer from 5 240 min or Off 4 Press or to select Time Zone and select the correct time zone of your area with or The displayed time of Clock will be changed at the same time automatically To adjust Clock select Clock and press Use or to change between year month date hour minute or to adjust When you finish adjustment select OK and...

Page 22: ...ect On to enable the detailed settings 6 Move to US or Canada rating system For detailed Close Caption setting 1 Press or to select Option then press to enter Option setting 2 Press or to select the Mode to be Custom and then use or to select desired options and use or to adjust detailed settings When you select the Mode to be Default you can not adjust the detailed settings ViewSonic Corporation ...

Page 23: ...ll types content FV fantasy violence V violence S sexual situations L adult language D sexsual dialog 2 Press ENTER to set or reset each area 3 Press MENU to exit 2 MPAA 1 Press or to select MPAA 2 Press or to select your desired MPAA ratings level The MPAA ratings level are defined as following G general audience PG parental guidance suggested PG 13 recommended for children 14 years of age or old...

Page 24: ...tal guidance 14 viewers and older 18 adult programming EXEMPT exempt 4 Press MENU to exit 2 Canadian French 1 Press or to select Canada Fre 2 Press to enter 3 Press or to select your desired Canadian French rating level The Canadian French rating levels are defined as following G genenral 8ans children eight years and older 13ans not appropriate for children of less than 13 years 16ans not appropr...

Page 25: ...ly shows an example of the content of RRT Setting However the selections and sub selections of RRT Setting may be different in your OSD menu according to the local broadcasting system To reset RRT setting move to Reset RRT and press to reset To Change Password 1 Press or to select Change Password then press to enter Change Password setting 2 Move to Enter Old Password then enter the old password w...

Page 26: ...o exit To Restore Factory Setting 1 Press the MENU button to display the OSD main menu 2 Press or to select the OPTION menu 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 Confidential Do Not Copy N2230w 2M 23 ...

Page 27: ...in PC source the other menus are the same as or similar to when in other source When there is no signal in the PC mode No Signal will be displayed on the screen and the TV will automatically turn into power saving mode after a few seconds idleness Press INPUT or POWER button on the remote control and the TV will return to VGA mode Notes Initial password 0000 If you forget your initial password you...

Page 28: ...SC PAL SECAM CVBS S Video and component video signals from various analog graphic video sources To further reduce system costs the MSD1226L also integrates intelligent power management control capability for green mode requirements and spread spectrum support for EMI management Analog Interface VCLAMP CVBS YC Mode Clamp Voltage Bypass 20 REFM Internal ADC Bottom De coupling Pin 18 REFP Internal AD...

Page 29: ...nk Channel 2 Positive Data Output 194 LVBCKM Output LVDS B Link Negative Clock Output 190 LVBCKP Output LVDS B Link Positive Clock Output 189 LVB3M Output LVDS B Link Channel 3 Negative Data Output 188 LVB3P Output LVDS B Link Channel 3 Positive Data Output 187 Internal MCU Interface with Serial Flash Memory SAR3 Analog Input SAR Low Speed ADC Input 3 204 SAR2 Analog Input SAR Low Speed ADC Input ...

Page 30: ...ut Audio Output Mute Control 89 I2S_IN_BCK Input Audio Bit Clock Input 81 I2S_IN_WS Input Word Select Input 82 I2S_IN_SD Input Audio Serial Data Input 83 SPDIFI Input S PDIF Audio Input 84 AUVRM Analog Output Negative Reference Voltage for Audio ADC 64 AUVRP Analog Output Positive Reference Voltage for Audio ADC 65 AUVAG Analog Output Reference Voltage for Audio Common Mode 66 AUL0 Analog Input Au...

Page 31: ...the sound multiplexing decoder portion of IC MSD2232 I601 AD5265 AUDIO The AD5265A is a stereo filter less class D audio amplifier with headphone driver Operating with 5 0V loudspeaker driver supply it can deliver 2 5W CH output power into 4 loudspeaker within 10 THD N and 120mW CH output power into 16 headphone within 1 THD N The AD5265A has two volume control modes by setting MODE pin While MODE...

Page 32: ...ture and white balance adjustments C Video reference the front detail specifications 1 Eeprom Initial Press MENU and and POWER key go to factory mode 2 Adjust color temperature A Enter to the factory mode Source select D_Sub figure 2 Use 640x480 60Hz the pattern is 5 block figure 1 then move the cursor to the White Balance figure 3 Press key That will do auto white balance B After auto white balan...

Page 33: ... ADJUST disappears 5 HDMI MODE FUNCTION TEST A DVI MODE Depend on the TIMING of TIMING TABLE TABLE 3 to check MODE in order B HDMI MODE make sure the 480i 480p 720p 1080i TIMING is right 6 OSD FUNCTION TEST Time 1680 x1050 60Hz Pattern 16 12 pane Make sure that Each FUNCTION has one right action 7 DTV FUNCTION TEST Election INPUT SOURCE cut to TV so that OSD selected TV CATV election AIR selct CH ...

Page 34: ...DIO IN is right E In DTV mode the input signal ATSC confirmed AUDIO LANGUAGE and the normal movements PARENT 10 Under PC MODE input PC AUDIO signal determines whether the action of INT SPEAKER output is right Meets earphone with the EARPHONE Determined whether the action of EARPHONE output is normal 11 DDC EDID confirm VGA EDID confirm By P502 VGA CONNECTOR DOWNLOAD EDID confirm whether or not nor...

Page 35: ...5 589 75 595 75 601 75 607 75 613 75 619 75 625 75 631 75 637 75 643 75 101 00 107 00 113 00 123 00 129 00 221 00 227 00 233 00 239 00 245 00 251 00 257 00 517 00 523 00 529 00 535 00 541 00 547 00 553 00 559 00 565 00 571 00 577 00 583 00 589 00 595 00 601 00 607 00 613 00 619 00 625 00 631 00 637 00 643 00 649 00 655 00 661 00 667 00 673 00 679 00 685 00 43 44 45 46 47 48 49 50 51 52 53 54 55 56...

Page 36: ...257 00 263 00 269 00 275 00 281 00 287 00 293 00 299 00 305 00 311 00 317 00 323 00 329 00 335 00 341 00 347 00 353 00 359 00 365 00 371 00 377 00 383 00 389 00 395 00 JJ KK LL MM NN OO PP QQ RR SS TT UU VV WW AAA BBB CCC DDD EEE 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 354 360 360 366 366 372...

Page 37: ... 57 423 98 111 17 141 58 429 99 117 18 147 59 435 100 651 19 153 60 441 101 657 20 159 61 447 102 663 21 165 62 453 103 669 22 171 63 459 104 675 23 219 64 465 105 681 24 225 65 471 106 687 25 231 66 477 107 693 26 237 67 483 108 699 27 243 68 489 109 705 28 249 69 495 110 711 29 255 70 501 111 717 30 261 71 507 112 723 31 267 72 513 113 729 32 273 73 519 114 735 33 279 74 525 115 741 34 285 75 53...

Page 38: ...of close caption Input signal level 45dBu G CHANNEL 69 Adjustment attenuator If the critical point of the change of the image signal to noise ratio is under LEVEL 60dBu regards as normally PRODUCTS OUTPUT CHECK ITEM The same as CENTRALISM TRANSMITTING SIGNAL CHECK CONTENT saturation TEST inputs the TV signal the input signal LEVEL establishment most greatly is 90dBu check whether CONTRAST of the i...

Page 39: ... DVI TO HDMI 59 8 YES YES 59 9 YES YES 1 1440x900 75 YES YES 2 1280x1024 60 YES YES 75 YES YES 3 1280x960 60 YES YES 75 YES YES 4 1360x768 60 YES YES 5 1280x768 60 YES YES 75 YES YES 6 1280x720 60 YES YES 7 1152x864 75 YES YES 8 1152x870 75 YES YES 60 YES YES 70 YES YES 72 YES YES 74 YES YES 9 1024x768 75 YES YES 10 832x624 75 YES YES 56 YES YES 60 YES YES 72 YES YES 11 800x600 75 YES YES 59 YES Y...

Page 40: ...on 5 4 1 Equipment Needed N2230W2M LCD TV Fixture for Firmware Upgrade VGA Cable PC Personal Computer Firmware Upgrade Program One additional LCD TV for checking the program execution 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 Confidential Do Not Copy N2230w 2M 3...

Page 41: ... if the the ISP board have been found you will see the picture as bellow pc 5 3 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 Confidential Do Not Copy N2230w 2M 38 ...

Page 42: ...t ISP When the ISP is ok you will see the information as the bellow picture pc 8 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 Confidential Do Not Copy N2230w 2M 39 ...

Page 43: ... conform to the LCD TV you have to do the DDC key in 5 5 1 Equipment Needed N2230W2M LCD TV DDC Card PC RS 232 cable Barcode Reader VGA Cable N2230W2M LCD TV DDC Card PC 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 Confidential Do Not Copy N2230w 2M 40 ...

Page 44: ...GA Cable when key in DVI DDC information use VGA transform to DVI port 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 Confidential Do Not Copy N2230w 2M 41 ...

Page 45: ...3 Press ENTER key 4 Press F4 key and Input bar code ViewSonic Corporation Confidential Do Not Copy N2230w 2M 42 ...

Page 46: ...5 Press ENTER key then the successful picture is as follows DDC DOWNLOED OK 6 Exit program ViewSonic Corporation Confidential Do Not Copy N2230w 2M 43 ...

Page 47: ...DMI connector 5 6 1 Equipment Needed N2230W2M LCD TV PC RS 232 cable Barcode Reader HDMI Cable N2230W2M LCD TV PC 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 Confidential Do Not Copy N2230w 2M 44 ...

Page 48: ...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 Confidential Do Not Copy N2230w 2M 45 ...

Page 49: ...3 Press ENTER key 4 Press F4 key ViewSonic Corporation Confidential Do Not Copy N2230w 2M 46 ...

Page 50: ...5 Input bar code 6 Press ENTER key then the successful picture is as follows DDC DOWNLOED OK 7 Exit program ViewSonic Corporation Confidential Do Not Copy N2230w 2M 47 ...

Page 51: ...g Figure 2 1 3 Put the cushions on the LCD TV Figure 3 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 Figure 4 Figure 3 Figure 1 Figure 2 Remote control Power Cord 1 User s Guide 2 Guarant Card 3 Battery ViewSonic Corporation Confidential Do Not Copy N2230w 2M 48 ...

Page 52: ...YETHY BAG 1 3 P 00009102 2012107000P POLYFOAM R 1 4 P 00009103 2012107100P POLYFOAM L 1 5 P 00008947 2013222536P POLYETHY BAG 1 6 N A 2001131950P OWNER GUIDE 1 7 N A 2002310749P GUARANT CARD QSG 1 8 A 00005362 2427130046P AC POWER CORD 1 9 P 00009101 2011122988P CARTON BOX 1 10 N A 2055632308P LABEL 1 11 N A 2005100401P BATTERY 2 12 A 00008204 2419200161P REMOTE CONTRL 1 PACKING PART LIST N2230w 2...

Page 53: ...re 1 Disassembly of Stand Front Cover and Rear Cover from LCD TV 1 1 Unscrew 9 screws to remove Rear cover 1 2 Unscrew 4 screws to remove Stand Stand Rear cover ViewSonic Corporation Confidential Do Not Copy N2230w 2M 50 ...

Page 54: ...over Shield Plate Main Board Power Board and Panel Unit 2 1 Unscrew 5 screws to remove Bracket fix 2 2 Unscrew 2 screws to remove Front cover Front cover Bracket fix ViewSonic Corporation Confidential Do Not Copy N2230w 2M 51 ...

Page 55: ...2 3 Unscrew 7 screws to remove Shield Plate 2 4 Unscrew 6 screws and disconnect the wires to remove Power Board Power Board Shield Plate ViewSonic Corporation Confidential Do Not Copy N2230w 2M 52 ...

Page 56: ... Unscrew 4 screws and disconnect the wires to remove Main Board 2 6 Unscrew 4 screws to remove Panel Unit and Panel Bracket Main Board Panel Unit ViewSonic Corporation Confidential Do Not Copy N2230w 2M 53 ...

Page 57: ... VCC2 5VOK CHECK I104 SUROUND CAP BEAD OK N Y CHECK I107 Q107 Q108 SUROUND OK Y CHECK I201 I206 SUROUND CAP OK D807 I801 I801 VCC1 2OK CHECK I105 SUROUND CAP BEAD OK N Y CHECK I204 I205 SUROUND CAP OK Y Y CHECK P101 OK D807 I801 I801 5VIF OK CHECK I101 SUROUND L106 OK N Y CHECK 12V L105 OK Y ViewSonic Corporation Confidential Do Not Copy N2230w 2M 54 ...

Page 58: ...SUROUND Y Check Check YPbPr cable Check N Check N N C528 C532 C535 YPbPr SOUCE Check TV SOUCE Check RF CABLE Check N Check N N 30VTU TUNER 5V I501TUNER I206 SUROUND P504 SUROUND Check INVERTER Check P101 Check N Check N N PANEL I107 Q105 Q106 P504 SUROUND Y Check HDMI SOUCE Check HDMI CABLE Check N Check N N I201 I206 P501SUROUND Y Y Some bits lost Check N P106soldering I202 poor soldering FCC CAB...

Page 59: ... 5VAMP Check P602 Check Check I601 N Check Audio cable N Check I602 P101 Check speaker N CHANGE BATTERY Check BATTERY Check N P701 Check I205 Check Check IR5V N Change N Check I701 P204 CHANGE REMOTE N BATTERY ViewSonic Corporation Confidential Do Not Copy N2230w 2M 56 ...

Page 60: ...ial Do Not Copy N2230w 2M 57 LCD Module AV CVBS YPbPr AV SV Audio RCAx2 PC Audio mini jack YPbPr Audio RCAx2 Flash PC D Sub HDMI NTSC Speaker 2W5x2 MSB1501 DEMO COMBO TUNER MSD2232AL AD5265A S_VIDEO DDR EAR PHONE OUT 7 Block Diagram ...

Page 61: ... R108 0 0603 I105 AP1533 AP1534 1 2 3 4 5 6 7 8 FB EN OCSET VCC OUTPUT OUTPUT VSS VSS 1 1 C102 NC E B C SOT 23 Q101 3904 NC 1 3 2 R141 NC R111 0R C161 100nF E B C SOT 23 Q121 MMBT3904 NC 1 3 2 E B C SOT 23 Q120 MMBT3904 1 3 2 R133 4 7K C103 NC R110 NC C136 100nF L103 80R 0805 6A C110 1500u 16V LESR R130 200K R124 100K 0603 R127 11K5 1 0603 R104 NC L123 600uH DIP NC L120 600R 1 5A 0805 C137 470u 16...

Page 62: ...SS_1 TS_D7 TS_D6 TS_D5 TS_D4 VDD_2 VSS_2 TS_D3 TS_D2 TS_D1 TS_D0 VD33_1 VSS_3 RESETn SLEEP TESTPIN GPIO 2 VDD_3 VSS_4 GPIO 3 GPIO 4 TS_CLK AVDD_SADC NC_1 AVSS_SADC EXT_ADC2 3 EXT_ADC1 3 EXT_ADC2 4 EXT_ADC1 4 VSS_12 EXT_ADC1 5 XTALI25 EXT_ADC1 6 GPIO 6 VDD_9 EXT_ADC2 5 VSS_13 XOUT EXT_ADC1 7 VD33_4 EXT_ADC1 8 VSS_11 EXT_ADC1 9 EXT_ADC2 2 EXT_ADC1 10 CLK_EXTADC VDD_8 SADD 1 EXT_ADC2 1 VDD_7 SADD 0 I...

Page 63: ...04 1 3 2 C570 NC R588 0R C504 1nF C514 100nF I501 DTVS205EH201A 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 NC NC NC NC NC NC RF_AGC NC NC VT IF IF IF_AGC IF_TP SCL SDA GND TU 5V NC AFT SIF OUT CVBS OUT GND GND GND GND GND GND GND GND R501 100K R587 0 NC C168 470u 16V C507 100nF R511 0R R513 1K 0603 Q501 MMBT3904 NC 1 3 2 R505 10R 0603 C501 100nF C159 1u 50V C503 ...

Page 64: ... 139 140 141 142 172 173 174 175 176 177 178 179 184 187 193 194 195 196 197 198 199 200 201 202 203 204 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 248 249 250 251 252 255 1 2 3 38 39 40 41 233 73 74 75 55 79 80 81 82 83 84 85 86 87 88 89 143 144 156 157 257 RX1P AVSS_DVI RX2N RX2P HOTPLUGA REXT DDCDA_DA DDCDA_CK HSYNC1 VSYNC1 VCLP REFP REFM BIN1P SOGIN...

Page 65: ... C209 100nF R215 1K 1 0603 C207 100nF I201 M13S2561616A 5TG_TSOP66 29 30 31 32 35 36 37 38 39 40 28 41 2 4 5 7 8 10 11 13 54 56 57 59 60 62 63 65 26 27 24 23 22 21 20 47 16 51 44 45 46 1 18 33 3 9 15 55 61 34 48 66 6 12 58 64 49 52 14 17 19 25 43 53 50 42 A0 A1 A2 A3 A4 A5 A6 A7 A8 A9 A10 AP A11 DQ0 DQ1 DQ2 DQ3 DQ4 DQ5 DQ6 DQ7 DQ8 DQ9 DQ10 DQ11 DQ12 DQ13 DQ14 DQ15 BA0 BA1 CS RAS CAS WE LDM UDM LDQ...

Page 66: ... 75R R541 47R D510 4 7P D509 4 7P R539 47R R553 NC R558 NC R552 4 7K C563 4 7PESD R560 10K R543 75R C520 100nF R549 10K D506 4 7P R554 NC D512 4 7P R551 4 7K D508 4 7P C562 4 7PESD R540 47R R545 75R R546 510R C516 47nF R556 100R C519 1nF I503 24C21 1 2 3 4 5 6 7 8 NC NC NC GND SDA SCL VCLK VCC D511 4 7P R542 470R D507 4 7P D514 BAT54C R548 2 4K R557 100R R547 510R R550 100R C518 47nF VGA_HSYNC1 6 ...

Page 67: ...72 47R P503 MINI DIN4 MINIDIN8 6 2 8 1 3 7 5 4 9 R566 470R R585 12K D520 4 7P R563 47R R574 75R D521 4 7P C523 100p R567 47R C533 NC 10pF R575 47R C538 47nF C536 NC 10pF C526 100p D524 4 7P D523 4 7P C524 100p R578 10K D515 4 7P C527 47nF C547 1u 0603 R571 75R R576 47R C541 1u 0603 C549 330pF C522 100p R568 75R C543 330pF R561 47R C545 560pF A B C D P505 RCJ 4 2 6 1 4 5 3 A B C D P504 RCJ 4 2 6 1 ...

Page 68: ...2 DAT2 Dat1 shield DDC SCL DDC SDA DAT1 DAT1 Dat2 shield 5V CEC DDC GND HPD DAT0 DAT0 Dat0 shield clk shield clk clk CEC SHIELD SHIELD SHIELD SHIELD VCLK R534 100R R521 6R8 R531 10K R536 100R R517 0R NC R519 0R NC D505 BAT54C D503 1p C515 100nF R532 10K R526 6R8 R535 100R R520 6R8 Q504 MMBT3904 1 2 3 R527 6R8 R537 100R R525 6R8 R523 6R8 R524 6R8 D502 1p R522 6R8 R530 NC R538 10K S G D SOT 23 Q503 ...

Page 69: ...R697 0 L611 0 0603 R627 12K R628 12K C635 330pF C633 330uF 16V R601 10K P601 PHONE JACK NORMAL OPEN 1 9 8 7 6 2 3 4 5 10 11 12 13 14 Q601 MMBT3906 1 2 3 R632 NC R631 NC R629 1K C630 560pF C627 1u 0603 L601 0 0603 C634 330uF 16V C628 1u 0603 C636 100nF C601 330pF R698 NC PC_Audio AUR2 6 PC_Audio AUL2 6 PHONE_DET 13 PHONE_R 13 PHONE_L 13 5VAMP 2 13 ViewSonic Corporation Confidential Do Not Copy N223...

Page 70: ...HPR G0 VREF INR INR GND R616 10K L606 NC R625 NC C654 0 1uF NC C618 47u 16V R634 4 7K C609 100nF C651 10nF C610 10u 16V R612 4k7 R618 47K R644 10 NC C623 100nF L603 15uF C658 1nF NC C648 1uF 0805 R610 33K C620 47u 16V C646 0 1uF NC R605 22K C606 100nF R622 NC C655 0 1uF NC C604 47u 16V L604 NC Q606 MMBT3906 1 2 3 C602 100nF C653 10nF C608 1nF R646 10 NC L607 15uH L609 15uH R619 47K C605 10u 16V C6...

Page 71: ...LVA2M RXE3 LVA3P RXEC LVACKP RXEC LVACKM RXE3 LVA3M RXE0 LVA0M RXE1 LVA1M RXE1 LVA1P RXE0 LVA0P PANEL VCC PANEL VCC C321 100nF P106 CON30p 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 Pl06 CONN15x2 TO PANEL 1 3 7 19 16 13 11 9 30 28 17 26 23 21 2 4 6 14 18 15 12 10 8 29 27 24 25 22 20 5 PVCC NC RXE3 RXO3 RXE1 GND RXE2 RXEC RXO0 RXO1 RXE0 RXO2 GND RXOC PVCC PVCC ...

Page 72: ...8 R922 5 1K C925 56p 3KV D907 1N4148 R915 511 F R928 1M R942 2 7K R904 10K C919 100P R913 22 R927 1M C927 56p 3KV R925 1M R924 100 R918 NC R901 10K D903 RLZ5 6B C920 470uF 35V C902 2 2uF D906 1N4148 P903 1 2 R914 1M D902 RLZ5 6B D909 1N4148 R906 100K I901 OZ9938 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 DRV1 VDDA TIMER DIM ISEN VSEN OVP NC1 NC2 ENA LCT SST CT AGND DRV2 PGND C923 5P 3KV T901 7 8 6 7 8...

Page 73: ...8 10 11 9 R813 330R C831 NC R802 10ohm 4A R832 56K 1WS Z803 RLZ22 L804 3Ts 6 10 I801 LD7576 6 5 8 2 4 1 7 3 Vcc Drv HV FB GND Adj NC CS D803 UF4004 R818 1K R807 825K F R804 750K C822 1000PF 1KV D801 GBU4K 2 1 3 4 R806 825K F C826 470uF 16V C832 NC R808 10K R805 825K F R834 NC I802 TLP621 4 3 1 2 R815 270 R826 100 P802 9 8 7 6 5 4 3 2 1 Q801 AP2761 1 2 3 C825 1500UF 16V R809 33 C828 1000uF 16V R803...

Page 74: ...9 PCB Layout Diagrams 9 1 MAIN PCB TOP VIEW ViewSonic Corporation Confidential Do Not Copy N2230w 2M 71 ...

Page 75: ...9 2 MAIN PCB BOTTOM VIEW ViewSonic Corporation Confidential Do Not Copy N2230w 2M 72 ...

Page 76: ...9 3 CON PCB TOP VIEW 9 4 CON PCB BOTTOM VIEW ViewSonic Corporation Confidential Do Not Copy N2230w 2M 73 ...

Page 77: ...9 5 POWER PCB TOP VIEW ViewSonic Corporation Confidential Do Not Copy N2230w 2M 74 ...

Page 78: ...9 6 POWER PCB BOTTOM VIEW ViewSonic Corporation Confidential Do Not Copy N2230w 2M 75 ...

Page 79: ...10 Exploded View And Exploded Parts List ViewSonic Corporation Confidential Do Not Copy N2230w 2M 76 ...

Page 80: ...ViewSonic Corporation Confidential Do Not Copy N2230w 2M 77 ...

Page 81: ...081440084P SCREW WASH M4 8 P 0 7 TOOTH WASHER BLACK 4 21 N A 2071681801P SHIELD PLATE JC229xx12UA SPTE 0 3T 1 22 N A 2082630042P SCREW M3 4 P 0 5 2 23 PL 00008397 2028266801P STAND N1930W 2M ABS 94HB BLACK C BY HINGE 1 24 PL PD 0714 0113 2039819301P FOOT PAD RUBBER O20 2TMM SQUARE GRAIN 4 25 PL 00008398 2028560001P NECK N1930W 2M ABS 94HB BLACK C BY HINGE 1 26 N A 2082640202P SCREW M4x20 BND T P 0...

Page 82: ...ND 6 E 00008860 2212013810P 1 V901 12 Poly Bag Polyethy Bag 90CMX75CMX0 03t PE LD BAG P 00008938 2013053000P 1 6P60 13 Craft Box Carton Box VIEWSONIC N2230W 2M VS12116 2M P 00009101 2011122988P 1 6P01 14 Foam Right PolyFoam N2230W 2M EPS R P 00009102 2012107000P 1 6P20 15 Foam left PolyFoam N2230W 2M EPS L P 00009103 2012107100P 1 6P21 16 Pedestal StandN1930W 2M ABS 94HB BLACK C BY HINGE PL 000083...

Page 83: ... 0 6 12 5mm JUMPER A I L901 1 45 N A 2428106100P 0 6 10 0mm JUMPER A I J814 1 46 N A 2428106100P 0 6 10 0mm JUMPER A I J815 1 47 N A 2428106100P 0 6 10 0mm JUMPER A I J820 1 48 N A 2428106100P 0 6 10 0mm JUMPER A I J821 1 49 N A 2428106100P 0 6 10 0mm JUMPER A I J822 1 50 N A 2428106075P 0 6 7 5mm JUMPER A I J801 1 51 N A 2428106075P 0 6 7 5mm JUMPER A I J802 1 52 N A 2428106075P 0 6 7 5mm JUMPER ...

Page 84: ...00mH 0 04mm 480Ts COIL CHOKE T902 1 132 N A 2371183001P EE 8 3D 200mH 0 04mm 480Ts COIL CHOKE T903 1 133 N A 2371150903P 5uH 7 8 10 2UEW 0 65mm 12 5Ts COIL CHOKE L802 1 134 N A 2371150903P 5uH 7 8 10 2UEW 0 65mm 12 5Ts COIL CHOKE L803 1 135 N A 2371115001P 15uH 8 10 UEW 0 5mm 21 5Ts COIL CHOKE L122 1 136 N A 2371115001P 15uH 8 10 UEW 0 5mm 21 5Ts COIL CHOKE L603 1 137 N A 2371115001P 15uH 8 10 UEW...

Page 85: ...V LL 34 ROHM DIODE ZENER SMD D903 RA 1 222 N A 2364303696P BAT54C SOT 23 PHILIPS NXP DIODE SCHOTTKY SMD D505 RC 1 223 N A 2364303696P BAT54C SOT 23 PHILIPS NXP DIODE SCHOTTKY SMD D514 RC 1 224 N A 2364303396P SR36 DO 214AA PEC DIODE SCHOTTKY SMD D102 RC 1 225 N A 2364303396P SR36 DO 214AA PEC DIODE SCHOTTKY SMD D103 RC 1 226 N A 2364303396P SR36 DO 214AA PEC DIODE SCHOTTKY SMD D136 RC 1 227 N A 23...

Page 86: ...RC 1 311 N A 2360300596P MMBT3904 7 SOT23 VISHAY XISTOR NPN R SMD Q105 RC 1 312 N A 2360300596P MMBT3904 7 SOT23 VISHAY XISTOR NPN R SMD Q106 RC 1 313 N A 2360300596P MMBT3904 7 SOT23 VISHAY XISTOR NPN R SMD Q107 RC 1 314 N A 2360300596P MMBT3904 7 SOT23 VISHAY XISTOR NPN R SMD Q108 RC 1 315 N A 2360300596P MMBT3904 7 SOT23 VISHAY XISTOR NPN R SMD Q120 RC 1 316 N A 2360300596P MMBT3904 7 SOT23 VIS...

Page 87: ...0402 Y5V 16V 0 1u Z T CAP CHIP C205 1 404 N A 2345710496P CS 0402 Y5V 16V 0 1u Z T CAP CHIP C206 1 405 N A 2345710496P CS 0402 Y5V 16V 0 1u Z T CAP CHIP C207 1 406 N A 2345710496P CS 0402 Y5V 16V 0 1u Z T CAP CHIP C208 1 407 N A 2345710496P CS 0402 Y5V 16V 0 1u Z T CAP CHIP C209 1 408 N A 2345710496P CS 0402 Y5V 16V 0 1u Z T CAP CHIP C210 1 409 N A 2345710496P CS 0402 Y5V 16V 0 1u Z T CAP CHIP C21...

Page 88: ...96P CS 0402 Y5V 16V 0 1u Z T CAP CHIP C636 1 497 N A 2345347396P CS 0402 X7R 16V 0 047u K T CAP CHIP C516 1 498 N A 2345347396P CS 0402 X7R 16V 0 047u K T CAP CHIP C517 1 499 N A 2345347396P CS 0402 X7R 16V 0 047u K T CAP CHIP C518 1 500 N A 2345347396P CS 0402 X7R 16V 0 047u K T CAP CHIP C521 1 501 N A 2345347396P CS 0402 X7R 16V 0 047u K T CAP CHIP C525 1 502 N A 2345347396P CS 0402 X7R 16V 0 04...

Page 89: ... ELE 105 C C666 1 589 N A 2336222645P EC 22u 50V 5 11 P 5 0 T HI LIFE LOW ESR E CAP 3000hr C819 1 590 N A 2336222613P EC 22u 16V 5 11 P 2 5 T HI LIFE LOW ESR E CAP 3000hr C614 1 591 N A 2336047731P EC 470u 35V 10 21 P 5 0 C HI LIFE LOW ESR E CAP 6000hr C160 1 592 N A 2336047731P EC 470u 35V 10 21 P 5 0 C HI LIFE LOW ESR E CAP 6000hr C920 1 593 N A 2336022713P EC 220u 16V 8 7 P 5 0 T HI LIFE LOW ES...

Page 90: ... 2253222196P RC 0603 1 10W 220 ohm J T RES CHIP 1 10W R280 1 678 N A 2253222196P RC 0603 1 10W 220 ohm J T RES CHIP 1 10W R297 1 679 N A 2253220596P RC 0603 1 10W 2 0Mohm J T RES CHIP 1 10W R905 1 680 N A 2253218396P RC 0603 1 10W 18Kohm J T RES CHIP 1 10W R945 1 681 N A 2253210596P RC 0603 1 10W 1 0Mohm J T RES CHIP 1 10W R914 1 682 N A 2253210596P RC 0603 1 10W 1 0Mohm J T RES CHIP 1 10W R947 1 ...

Page 91: ...CHIP 1 16W R542 1 768 N A 2253147196P RC 0402 1 16W 470 ohm J T RES CHIP 1 16W R566 1 769 N A 2253147096P RC 0402 1 16W 47 ohm J T RES CHIP 1 16W R507 1 770 N A 2253147096P RC 0402 1 16W 47 ohm J T RES CHIP 1 16W R510 1 771 N A 2253147096P RC 0402 1 16W 47 ohm J T RES CHIP 1 16W R515 1 772 N A 2253147096P RC 0402 1 16W 47 ohm J T RES CHIP 1 16W R539 1 773 N A 2253147096P RC 0402 1 16W 47 ohm J T R...

Page 92: ...9 N A 2253110396P RC 0402 1 16W 10Kohm J T RES CHIP 1 16W R716 1 860 N A 2253110296P RC 0402 1 16W 1K ohm J T RES CHIP 1 16W R101 1 861 N A 2253110296P RC 0402 1 16W 1K ohm J T RES CHIP 1 16W R217 1 862 N A 2253110296P RC 0402 1 16W 1K ohm J T RES CHIP 1 16W R219 1 863 N A 2253110296P RC 0402 1 16W 1K ohm J T RES CHIP 1 16W R226 1 864 N A 2253110296P RC 0402 1 16W 1K ohm J T RES CHIP 1 16W R245 1 ...

Page 93: ...0W R263 1 949 N A 2251210016P RC 0603 1 10W 1 0Kohm F T RES CHIP 1 10W R264 1 950 N A 2251210006P RC 0603 1 10W 100 ohm F T RES CHIP 1 10W R117 1 951 N A 2242530503P RD 3Mohm 1W 3 5KV P 15 0 J HI VOLTAGE RES R951 1 952 N A 2241243816P RW 2WS 0 43 ohm P 7 0 J RES WIR 2W R831 1 953 N A 2235522013P RS 2WS 22ohm J P 15 0 RES MTL 2 R830 1 954 N A 2235456316P RS 1WS 56Kohm J P 7 0 RES MTL 1 R832 1 955 N...

Page 94: ...g Flow Chart 7 Block Diagram 8 Schematic Diagrams 9 PCB Layout Diagrams 10 Exploded View And Exploded Parts List 11 Recommended Spare Parts List B Are you satisfied with this Service Manual Item Excellent Good Fair Bad 1 Service Manual Content 2 Service Manual Layout 3 The form and listing C Do you have any other opinions or suggestions regarding this service manual Reader s basic dada Name Title ...

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