ViewSonic N3235w-2M Service Manual Download Page 66

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MT538x

MT8292

(Audio Codec)

AV(CVBS)

LCD Module

TFA9815

(Audio Amp.)

AV/SV Audio(RCAR/L)

YPbPr1,2

S-Video

YPbPr1,2 Audio(RCAR/L)

PC/DVI Audio(mini jack)

Flash

DDR

SDRAM

VGA (D-Sub)

ATSC+NTSC
Combo Tuner

Speaker

SPDIF

(Optical)

System

EEPROM

HeadPhone

CVBS / SIF

HDCP

EEPROM

HDMI 2
Connector

HDMI 1
Connector

TMDS251

Block Diagram

ViewSonic Corporation

Confidential - Do Not Copy

N3235w-2M

Summary of Contents for N3235w-2M

Page 1: ...Service Manual ViewSonic N3235w 2M Model No VS11770 2M 32 LCD TV N3235w 2M_SM Rev 1a Apr 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 29 5 Adjustment Procedure 33 6 Trouble Shooting Flow Chart 59 7 Block Diagram 63 8 Schematic Diagrams 64 9 PCB Layout Diagrams 75 10 Exploded View And Exploded Parts List 80 11 Recommend Spare Parts List 83 2 Specification 4 ViewSonic Corporation Confidential Do Not Copy N3235w 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: ...l or the front cover of the monitor Do not touch the surface of the polarizer 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 ViewSonic Corporation Confidential Do Not Copy N3235w 2M 2 ...

Page 6: ...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 N3235w 2M 3 ...

Page 7: ...Streaking Sag or Smearing artifacts when driven by the specified video cards see 7 1 General Test Equipment in the primary mode VGA at 60 Hz and after user adjustment b No image drift or lose fine tune settings due to panel temperature change Note Panel performance characteristics MUST BE met in all display modes inputs at standard test conditions 1 RF Tuner RF tuner of this product shall be provi...

Page 8: ...r 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 Parameter Specification Phone Jack out Tuner Input Base band Input Speaker Power Output Max Rating 10 W x 2 at 10 T H D Distortion 10W x 2 at 10 T H D Distortion Speaker Impedance main spk 6 Ω main spk 6 Ω Line In Per Tuner Spe...

Page 9: ...sion Any changes revisions afterward shall also be pre approved by ViewSonic in written For VS11770 2M its firmware shall have a built in frequency table for NTSC ATSC off air TV CATV Closed Caption and with MTS implementation All audio video and other output adjustments shall be performed by using an On Screen Display OSD via a Remote Control Unit RCU adjustment The following tables list the OSD ...

Page 10: ...annel key number Return Return to last channel Guide Electric program guide on Digital TV CH up down Adjust channel up or channel down Volume Adjust the Volume levels Up Down Left Right arrows Select or adjust the function of OSD Fav ch Switch to favorite channel Fav A D Add or Del favorite channel Menu Turn On or Off OSD main menu or exit current menu Input Selections Input Source Freeze To freez...

Page 11: ...s Specification VSCMPPSPEC001V1 2 Screen Printed Parts Bird Logo Recess Artwork shall be provided 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 400mmx200mm VESA high hole n 6 M6 X 10mm pitch 1 0mm screw mounting kit not included Sample Samp...

Page 12: ...ol while in OSD menu 5 CH Up Channel up when source is TV or select a control while in OSD menu 6 ENTER Display Input source selection menu enter a menu or enable the function while in OSD menu 7 Power ON OFF button Turn the power on from standby mode or turn the power off to return to the standby mode 8 Power LED Indicator Lights up in blue when the TV is turned on Lights up in amber when the TV ...

Page 13: ...he other end to the RGB input on the rear of the LCD TV 5 YPbPr 2 signal input Connect this port to the YPbPr output of A V device 6 YPbPr 1 signal input Connect this port to the YPbPr output of A V device 7 Composite Video input Connect this jack to the composite video output connectors on your A V equipment 8 S Video input Connect the S Video cable from the compatible device to this connector on...

Page 14: ...VGA HDMI 2 Audio input Connect this port to PC line out jack 17 25 SPDIF Optical output Connect this port to the SPDIF input of A V device Note There is a Service jack next to the HDMI Input Terminal 2 It is for service technician s use AV connection Connect the composite video and audio input jacks to the corresponding output jacks of your A V device N3235w N3735w VIDEO Composite Video input 7 AU...

Page 15: ... the HDMI logo If the equipment has a DVI jack and not an HDMI jack connect the DVI jack to the HDMI Input Terminal with DVI to HDMI cable or adapter and connect the Audio cable to the Audio In jacks 1 With HDMI cable HDMI 1 Input Terminal 2 or HDMI 2 Input Terminal 3 2 With HDMI DVI cable N3235w N3735w VIDEO HDMI 1 Input Terminal 2 AUDIO HDMI 1 Audio input 10 or VIDEO HDMI 2 Input Terminal 3 AUDI...

Page 16: ... Press this button to turn the power on from standby mode Press it again to return to the standby mode 2 MTS Press this button to choose the available sound output that is preset by TV broadcasting station EX Mono Stereo SAP 3 INFO Press this button to display the current state of the LCD TV ViewSonic Corporation Confidential Do Not Copy N3235w 2M 13 ...

Page 17: ... screen when in TV source only applicable in TV source 7 ZOOM Press this button repeatedly to select the screen size You can select from Zoom x 1 Zoom x 2 Zoom x 1 2 8 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 9 VOL Press to adjust the volume 10 GUIDE...

Page 18: ...ATV or press to direct to TV source when in any other source 16 PICTURE Press this button to select between the picture modes of User Cinema Sport Vivid Hi Bright 17 WIDE Press this button to select image size of screen between Full Letterbox Panorama Zoom No scale Normal 18 RETURN Press to return to previous channel 19 CH Press to change the channels up or down 20 FAV CH Press this button repeate...

Page 19: ... start the wizard 2 Press or to select your language then press to continue next step To return to the previous page press 3 Select your tuner mode from Air or Cable then press to continue Connect cable and or antenna and select Scan or Skip Scan with or then press to continue If you select Skip Scan at this step you can still perform channel scan in Menu 4 The channel scanning now starts To inter...

Page 20: ...0 3 Press 8 press 0 press press 3 Return to the previous channel press RETURN 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 will be displayed on the screen It shows all or some of the ...

Page 21: ...sources connected to the TV 1 Press the INPUT button on the remote control 2 Press or to select the required input source between TV AV S Video YPbPr 1 YPbPr 2 VGA HDMI 1 or HDMI 2 3 To conﬁrm the selection press ENTER Storing Channels into Memory 1 Press the MENU button to display the OSD main menu 2 Press or to select the TV menu Press ENTER or to enter the menu Press or to select Tuner Mode and...

Page 22: ... level 5 Press MENU to exit 2 1 Press the MENU button to display the OSD main menu 2 Press or to select your desired top Menu 3 Press ENTER or to enter the menu 4 Press or to select the control of Picture Mode Noise Reduction Surround Reverb Equalizer SPDIF Type Auto Volume Control Audio Only Tuner Mode MTS Audio Language OSD Language Aspect Ratio only for N3235w N3735w Blue Mute DCR then press or...

Page 23: ...he timer function Note Auto Synchronization should be set to Off before Timer is enabled 7 Press MENU to return to the previous menu Select Sleep Timer to set the off timer and the TV will shut down automatically after the preset time Set the Auto Sleep function and the TV will shut down if it has not been operated for the preset time Also you can turn on the Daylight Saving if required 8 Press ME...

Page 24: ...ress ENTER or to enter Close Caption setting 3 Press or to select Analog Closed Caption or Digital Closed Caption and use or to select caption information To perform custom digital caption style settings select Digital Caption Style to Custom then use or to select desired controls or to adjust detailed settings 4 Press MENU to exit ViewSonic Corporation Confidential Do Not Copy N3235w 2M 21 ...

Page 25: ...d select On to enable the detailed settings 3 Move to U S TV Ratings U S Movie Ratings Canadian English Ratings Canadian French Ratings Open V Chip or Block Unrated 1 U S TV Ratings 1 Press or to select U S TV Ratings then press ENTER or The following screen will allow you to customize the following TV ratings Y all children Y7 older children G general audience PG guidance suggested 14 strongly ca...

Page 26: ...e selection are deﬁned as following C children C8 children eight years and older G general programming suitable for all audiences PG parental guidance 14 viewers and older 18 adult programming 2 Press ENTER to set or reset the rating level 3 Press MENU to exit 4 Canadian French Ratings 1 Press or to select Canadian French Ratings then press ENTER or The available selection are deﬁned as following ...

Page 27: ...reset the rating 5 Press MENU to exit 6 Block Unrated 1 Press or to select Block Unrated then press or to select On or Off When On is selected all programs that are not rated will be blocked 2 Press MENU to exit Input Block 1 Press or to select Input Block then press or to select the input source from which you want to block 2 Press ENTER to block or unblock the input source 3 Press MENU to exit V...

Page 28: ...isplayed on the screen and the TV will automatically turn into power saving mode after a few seconds idleness Press any key on the remote control at any time and the TV will return to VGA mode To Restore Factory Setting 1 Press the MENU button to display the OSD main menu 2 Press or to select the Setup menu 3 Press ENTER or to enter Setup menu 4 Press or to select Memory Recall then press ENTER to...

Page 29: ...djust the vertical position of the picture Phase To adjust delay time of phase in order to reduce the noise of picture Clock To adjust delay time of clock in order to reduce the noise of picture Audio menu Balance To adjust left and right audio balance Bass To adjust bass Treble To adjust the treble Surround To select concert hall effect On or Off Reverb To select the reverb sound effect Equalizer...

Page 30: ...set the off timer Auto Sleep To set the auto sleep time Daylight Saving To turn on off daylight saving Close Caption To set close caption options Analog Closed Caption To set basic analog closed caption options Digital Closed Caption To select closed caption signal formats and set up caption modes for digital TV channels Digital Caption Style To select caption style Font Size To select font size F...

Page 31: ...king level in French speaking region of Canada Open V Chip To set TV blocking level for DTV programs Block Unrated To block unrated movie or TV programs Input Block To set the input source to be blocked Change Password To change the password Clean All To clear all the locks set before Notes Initial password 0000 If you forget your initial password you can press 3660 to resume ViewSonic Corporation...

Page 32: ... system application there is no need to add external components to add analog video multiplexer on board The video ADC sample analog input signals After ADC all signal processing is digital domain The source select multiplex all inputs from digital and analog video ports and route them into Main data path B 3D comb filter Video Decoder Deinterlacer and Scaling controller MT538x includes 3D comb fi...

Page 33: ...ible interface MT538x accepts either the direct IF signals and the IF signals are sampled by a 10 bit A D converter Afterward the digitized samples are further processed for adjacent channel interference rejection MT5380 measures the power level of the digitized sequence and feeds the control voltages back to the RF tuner and the IF amplifier respectively The control voltages are converted to anal...

Page 34: ...l RF signal will be converted to IF signals and the IF signals will be modulated to the transport bitstream by MT538x The MT538x receives bitstream input in TS format and then separates the TS into audio and video PES analyzing the PES header and transferring the PES to the audio and video decoders The MT8292 is a highly integrated stereo audio CODEC The MT8292 performs stereo analog to digital an...

Page 35: ... outputs with volume gain attenuation from 127 dB to 12 dB and digital de emphasis function The IC TFA 9815 is a class D amplifier that can be output power of 10Watts per channel on a 6 ohm load speaker when using a 12V power supply operation ViewSonic Corporation Confidential Do Not Copy N3235w 2M 32 ...

Page 36: ...d when EEPROM INIT disappeared 1 4 2 COLOR TEMPERATURE ADJUSTING PC MODE A Timing 1360 768 60Hz B Pattern 32 grey scale C LCD TV should be run in and warmed up for at least 30 minutes D Color Temperature adjusting 1 Fig 1 under the picture 32 grey scale of VGA source select WHITE BALANCE and press ENTER The color warm will auto adjust The act of WHITE BALANCE is completed when the picture is stead...

Page 37: ...d USA CATV channel for TV channel C Under YPbPr MODE Make sure the 480i 480P 720P 1080i is right 1 4 9 AUDIO FUNCTION TEST A Audio input includes PC AUDIO IN S VIDEO AV AUDIO IN and YPbPr AUDIO IN B Under PC MODE input PC AUDIO signal checks whether the action of AUDIO IN is right C Under S VIDEO AV MODE input L R AUDIO signal checks whether the action of AUDIO IN is right D Under YPbPr MODE input...

Page 38: ...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 39: ...7 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 3...

Page 40: ...der LEVEL 60dBu regards as normally PRODUCTS OUTPUT CHECK ITEM A The same as CENTRALISM TRANSMITTING SIGNAL CHECK CONTENT B saturation TEST inputs the TV signal the input signal LEVEL establishment most greatly is 90dBu check whether CONTRAST of the image is normal Whether appears the disturbance phenomenon C AFT CHECK 1 The frequency of the input TV signal is 211 25MHz CH13 after confirmed the TV...

Page 41: ...s 0 080ms 0 106ms V Border 0 000ms 0 254ms 0 000ms 0 000ms H V Sync Interlace No No No No ITEM 5 6 7 8 TIMING 800 600 75HZ 1024 768 60HZ 1024 768 75HZ 1280 768 60HZ Pixel Rate 49 500MHZ 65 000MHZ 78 750MHZ 65 000MHZ H TOTAL 21 333us 20 677us 16 660us 20 677us H DISPLAY 16 162us 15 754us 13 003us 15 754us H B Porch 3 232us 2 462us 2 235us 2 462us H Width 1 616us 2 092us 1 219us 2 092us H Border 0 0...

Page 42: ...9us 15 630us H DISPLAY 15 906us 11 852us H B Porch 2 994us 2 296us H Width 1 310us 1 037us H Border 0 000us 0 000us V TOTAL 16 662ms 16 661ms V DISPLAY 16 097ms 16 005ms V B Porch 0 377ms 0 594ms Vs Width 0 126ms 0 047ms V Border 0 00ms 0 00ms H V Sync Interlace No No ViewSonic Corporation Confidential Do Not Copy N3235w 2M 39 ...

Page 43: ...conform to the LCD TV you have to do the DDC key in 2 1 Equipment Needed N3235W2M LCD TV DDC Card PC RS 232 cable Barcode Reader VGA Cable N3235W2M LCD TV DDC Card PC RS 232 Cable VGA Cable Barcode Reader 2 2 Setup Procedure 2 2 1 Connect VGA Card and DDC Card with RS 232 cable ViewSonic Corporation Confidential Do Not Copy N3235w 2M 40 ...

Page 44: ...Cable when key in DVI DDC information use VGA transform to DVI port 2 2 4 Connect Power Cord to N3235W2M LCD TV 2 2 5 Press MENU and ENTER at the same time then go into the BURN IN MODE 2 3 DDC Key In Procedure 2 3 1 run DDC exe 2 3 2 Choose model number the ViewSonic Corporation Confidential Do Not Copy N3235w 2M 41 ...

Page 45: ...2 3 3 Press ENTER key 2 3 4 Press F4 key and Input bar code ViewSonic Corporation Confidential Do Not Copy N3235w 2M 42 ...

Page 46: ...2 3 5 Press ENTER key then the successful picture is as follows DDC DOWNLOED OK 2 3 6 Exit program ViewSonic Corporation Confidential Do Not Copy N3235w 2M 43 ...

Page 47: ...the different EDID into each HDMI connector 3 1 Equipment Needed N3235W2M LCD TV PC RS 232 cable Barcode Reader HDMI Cable N3235W2M LCD TV PC RS 232 Cable HDMI Cable Barcode Reader 3 2 Setup Procedure 3 2 1 Connect HDMI Card and DDC Card with RS 232 cable ViewSonic Corporation Confidential Do Not Copy N3235w 2M 44 ...

Page 48: ... keyboard port 3 2 3 Connect DDC Card and N3235W2M LCD TV with HDMI Cable 3 2 4 Connect Power Cord to N3235W2M LCD TV 3 3 DDC Key In Procedure 3 3 1 Run DDC exe 3 3 2 Choose model number then ViewSonic Corporation Confidential Do Not Copy N3235w 2M 45 ...

Page 49: ...3 3 3 Press ENTER key 3 3 4 Press F4 key ViewSonic Corporation Confidential Do Not Copy N3235w 2M 46 ...

Page 50: ...3 3 5 Input bar code 3 3 6 Press ENTER key then the successful picture is as follows DDC DOWNLOED OK 3 3 7 Exit program ViewSonic Corporation Confidential Do Not Copy N3235w 2M 47 ...

Page 51: ...g the program execution N3235W2M ISP FIXTURE PC 4 2 Installing the USB device driver The USB driver will be upgraded if necessary PL 2303 Driver Installer exe 4 3 Insert the USB to RS232 Download Board to PC s USB port Then you can found the USB Device detected and follow Windows comments to finish the Driver install 4 4 Execute the Mtktool to start download the file The Mtktool program will be up...

Page 52: ...4 5 2 Select COM port Depends on the COM port assigned in System Device Manager Refer below right 4 5 3 Select Baud Rate 115200x 8 Suggestion ViewSonic Corporation Confidential Do Not Copy N3235w 2M 49 ...

Page 53: ...4 5 4 Enable the USB Bridge 4 5 5 Browsing the File to download ViewSonic Corporation Confidential Do Not Copy N3235w 2M 50 ...

Page 54: ...n your platform and Mtktool 2 You can slow down the baud rate if some Flash memory can not works properly in high speed download 3 Please call the Media Tek contact window if any problem found like unsupported Flash Type or fail to download ViewSonic Corporation Confidential Do Not Copy N3235w 2M 51 ...

Page 55: ...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 1 Power Cord 2 User s Guide 3 Remote control 4 Guarant Card 5 Battery ViewSonic Corporation Confidential Do Not Copy N3235w 2M 52 ...

Page 56: ...YFOAM B L 1 7 P 00008078 2013228805P POLYETHY BAG 1 8 N A 2438501307P OWNER GUIDE 1 9 N A 2002310720P GUARANT CARD QSG 1 10 A 00005362 2427130046P AC POWER CORD 1 11 P 00004497 2011100017P CARTON BOX 1 12 P 00009023 2011132811P CARTON BOX 1 13 N A 2055632298P LABEL 1 14 A 00008045 2005100500P BATTERY 2 15 A 00008148 2419200136P REMOTE CONTRL 1 PACKING PART LIST N3235w 2 ViewSonic Model Number VS11...

Page 57: ...V 1 1 Unscrew 23 screws to remove Rear Cover 2 Disassembly of Main Board Power Board Switch Board Key Pad Board IR Board Front Cover and Panel Unit 2 1 Unscrew 11 screws to remove Front Cover Rear Cover ViewSonic Corporation Confidential Do Not Copy N3235w 2M 54 ...

Page 58: ...2 2 Unscrew 2 screws to remove Dust Cover Dust Cover Front Cover Switch Board IR Board Key Board ViewSonic Corporation Confidential Do Not Copy N3235w 2M 55 ...

Page 59: ...2 3 Unscrew 14 screws to remove Shield Plate 2 2 Unscrew 19 screws to remove METAL FITTG I O Down Shield Plate METAL FITTG I O Down ViewSonic Corporation Confidential Do Not Copy N3235w 2M 56 ...

Page 60: ...rew 4 screws and disconnect the wires to remove Main Board 2 5 Unscrew 5 screws and disconnect the wires to remove Power Board Power Board Main Board ViewSonic Corporation Confidential Do Not Copy N3235w 2M 57 ...

Page 61: ...2 6 Unscrew 4 screws to remove Panel Bracket and Panel Unit Panel Unit Panel Bracket ViewSonic Corporation Confidential Do Not Copy N3235w 2M 58 ...

Page 62: ...6 1 NO POWER 6 Trouble Shooting Flow Chart ViewSonic Corporation Confidential Do Not Copy N3235w 2M 59 ...

Page 63: ...6 2 NO VOICE ViewSonic Corporation Confidential Do Not Copy N3235w 2M 60 ...

Page 64: ...6 3 NO DISPLAY 1 ViewSonic Corporation Confidential Do Not Copy N3235w 2M 61 ...

Page 65: ...6 4 NO DISPLAY 2 ViewSonic Corporation Confidential Do Not Copy N3235w 2M 62 ...

Page 66: ...1 2 S Video YPbPr1 2 Audio RCAR L PC DVI Audio mini jack Flash DDR SDRAM VGA D Sub ATSC NTSC Combo Tuner Speaker SPDIF Optical System EEPROM HeadPhone CVBS SIF HDCP EEPROM HDMI 2 Connector HDMI 1 Connector TMDS251 7 Block Diagram ViewSonic Corporation Confidential Do Not Copy N3235w 2M 63 ...

Page 67: ...2 SM360B D 214AA 1 2 R121 NC R0402 C103 0 1uF C0402 C143 100uF 16V CE025063 I104 AP9435GM SO08 1 2 3 4 8 7 6 5 S S S G D D D D D101 1N4148 1N4148 C133 100uF 16V CE025063 R130 100 1 R0402 C154 100uF 16V CE025063 C161 4 7uF 16V Y5V C0805 C142 100uF 16V CE025063 H102 HOLE GND GNDPAD8X 1 C127 0 1uF C0402 Q104 2N3904 SOT 23 1 2 3 H105 HOLE GND GNDPAD8X 1 R102 3K R0402 R114 1K R0402 C101 470uF 16V LowES...

Page 68: ...E050080 C174 10nF C0402 C172 470uF 16V LowESR CE050100 C189 1uF C0603 R142 NC 47 R0402 F101 1 1A 6V R0805 D105 NC EZJZ0V800AA R0603 1 2 L116 FB 200R 2A L0805 C179 10nF C0402 D106 NC EZJZ0V800AA R0603 1 2 L118 FB 200R 2A L0805 R149 4 7K R0402 C190 4 7uF 16V Y5V C0805 C168 0 1uF 50V Y5V C0603 R143 0 R0402 C183 1uF C0603 R153 100K R0402 R155 10K R0402 R150 4 7K R0402 L110 FB 200R 2A L0805 R151 100 R0...

Page 69: ...97 15pF C0402 C519 100uF 16V CE025063 C196 4 7uF 16V Y5V C0805 R174 NC 4 7K R0402 C215 0 1uF C0402 C225 1uF C0603 L123 FB 200R 2A L0805 C208 1uF C0603 R178 4 7K R0402 C203 0 1uF C0402 R167 10K R0402 R170 NC 820K R0402 C217 4 7uF 16V Y5V C0805 R173 4 7K R0402 R445 10K R0402 I113J MT5380 LQFP256A HEATSINK 252 251 250 249 95 94 253 1 256 255 254 93 POCE0_ POOE_ PDD0 PDD1 U0RX U0TX JTMS JTRST_ JTCK JT...

Page 70: ...28 29 49 50 53 11 13 9 8 7 6 5 4 3 2 17 15 19 20 21 22 23 24 25 26 RA12 RCAS_ RA4 RA10 RA8 RRAS_ RA5 RBA1 RA6 RBA0 RWE_ RA7 RA0 RA3 RA9 RA11 RCKE RCS_ RCLK0_ RCLK0 RA1 RA2 RVREF0 RDQS0 RDQM0 RDQ0 RDQ1 RDQ2 RDQ3 RDQ4 RDQ5 RDQ6 RDQ7 RDQS1 RDQM1 RDQ8 RDQ9 RDQ10 RDQ11 RDQ12 RDQ13 RDQ14 RDQ15 C261 0 1uF C0402 R206 100K 1 R0402 C239 220uF 16V CE050080 C243 0 1uF C0402 RN08 47x4 RN0402_SMD 1 8 2 7 3 6 4 ...

Page 71: ...250 47 R0402 L138 FB 80R 300mA L0603 C284 1uF C0603 C324 47pF C0402 C508 1nF C0402 C304 10nF C0402 R220 75 R0402 C507 1nF C0402 R210 27K R0402 C511 1nF C0402 R246 47 R0402 R212 75 R0402 D113 NC EZJZ0V800AA R0603 1 2 D118 NC EZJZ0V800AA R0603 1 2 L129 FB 80R 300mA L0603 C277 10nF C0402 C318 47nF C0402 D111 NC EZJZ0V800AA R0603 1 2 C295 0 1uF C0402 C513 1nF C0402 C281 10nF C0402 C305 10uF 50V CE0250...

Page 72: ...345 5pF C0402 R281 1K R0402 R255 100 R0402 R253 75 R0402 R279 22 R0402 R183 3 3K R0402 C331 5pF C0402 R274 NC 4 7K R0402 C332 5pF C0402 R282 1K R0402 R263 100 R0402 D158 BAV99 SOT 23 1 2 3 C514 1nF C0402 R182 3 3K R0402 I132B 74LVC125A SO14 4 5 6 R260 10K R0402 C330 10nF C0402 R273 2K R0402 R257 75 R0402 R254 0 R0402 D126 1N4148 1N4148 D125 1N4148 1N4148 D161 5 6V 1N4148 1 2 R268 NC 10K R0402 D127...

Page 73: ...1uF C0603 R293 1K R0402 R309 2 2K R0402 I124 NC IP4280CZ10 TSSOP10 1 2 3 4 5 6 7 8 9 10 D2 NC VDD D1 NC D1 NC GND D2 NC R317 NC 100K R0402 Q110 2N3904 SOT 23 1 2 3 R286 100 R0402 C352 0 1uF C0402 R302 330 R0402 Q111 2N3904 SOT 23 1 2 3 C357 47uF 16V CE025050 C363 0 1uF C0402 R315 0 R0402 C362 0 1uF C0402 D138 NC DIODE EGA 0603 R0603 1 2 R307 47K R0402 I123 NC IP4280CZ10 TSSOP10 1 2 3 4 5 6 7 8 9 1...

Page 74: ...V LowESR CE050100 L157 FB 200R 2A L0805 C411 10uF 16V Y5V C0805 I129 MT8292 QFN56 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 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 AIN8R AIN8L MVDD33 VCM33 MGND33 ADCOUTL ADCOUTR HPOUTL HPGND HPVDD HPOUTR AGND PGA0OUTL PGA0OUTR AVDD VCMPGA PGA2OUTL PGA2OUTR PGA1OUTL PGA1OUTR INPUT2R INP...

Page 75: ... AR1 R381 10K 1 R0402 C447 0 1uF C0402 C478 4 7uF 16V Y5V C0805 R383 10K R0402 D154 1N4148 1N4148 D151 1N4148 1N4148 C454 47pF C0402 R375 10K R0402 R372 33K R0402 R387 10K R0402 R385 33K R0402 R455 1K R0402 C473 1nF C0603 C458 4 7uF 16V Y5V C0805 C463 0 33uF C0805 C476 68pF C0402 R391 10K R0402 R458 NC 4 7K R0402 R368 10K 1 R0402 R388 10K R0402 Q133 2N3906 SOT 23 1 2 3 Q128 2N3904 SOT 23 1 2 3 C44...

Page 76: ...33 AV33 C490 0 1uF C0402 R401 R0402 NC I131 AP9435GM SO08 1 2 3 4 8 7 6 5 S S S G D D D D C489 1uF C0603 R398 R0402 NC R395 0 R0402 L172 FB 200R 2A L0805 R396 NC R0402 C483 0 1uF C0402 C481 470uF 16V LowESR CE050100 C487 4 7uF 16V Y5V C0805 R408 NC R0402 R394 NC R0402 R404 10K R0402 R402 NC R0402 R400 R0402 NC R397 0 R0402 C486 1uF C0603 C485 1uF C0603 P117 FI SE30P HF CON15X2 2M 1 2 3 4 5 6 7 8 9...

Page 77: ...0 5VSB 2 4 7 8 10 GPIO_1 4 OPCTRL0 4 DV33 2 4 5 9 10 11 5VSB DV33SB DV33SB DV33 P119 B7B PH 7P200VM 1 2 3 4 5 6 7 C499 0 1uF C0402 R412 4 7K R0402 C502 0 1uF C0402 C495 470pF C0402 R422 4 7K R0402 R416 4 7K R0402 C500 0 1uF C0402 C497 0 1uF C0402 R410 4 7K R0402 P118 B6B PH 6P200VM 1 2 3 4 5 6 Q127 2N3906 SOT 23 1 2 3 C494 47uF 16V CE025050 R417 4 7K R0402 R421 4 7K R0402 C498 0 1uF C0402 C496 0 1...

Page 78: ...9 1 MAIN PCB TOP VIEW 9 PCB Layout Diagrams ViewSonic Corporation Confidential Do Not Copy N3235w 2M 75 ...

Page 79: ...9 2 MAIN PCB BOTTOM VIEW ViewSonic Corporation Confidential Do Not Copy N3235w 2M 76 ...

Page 80: ...9 3 CON PCB TOP VIEW 9 4 CON PCB BOTTOM VIEW ViewSonic Corporation Confidential Do Not Copy N3235w 2M 77 ...

Page 81: ...9 5 IR PCB TOP VIEW 9 6 IR PCB BOTTOM VIEW ViewSonic Corporation Confidential Do Not Copy N3235w 2M 78 ...

Page 82: ...9 7 P BUTTON PCB TOP VIEW 9 8 P BUTTON PCB BOTTOM VIEW ViewSonic Corporation Confidential Do Not Copy N3235w 2M 79 ...

Page 83: ...10 Exploded View And Exploded Parts List ViewSonic Corporation Confidential Do Not Copy N3235w 2M 80 ...

Page 84: ...ViewSonic Corporation Confidential Do Not Copy N3235w 2M 81 ...

Page 85: ...K MT11010 1 27 N A 2044272401P FUNCTION KEY 32R 6KEY HB AL PLATE 1 28 M SCW 0824 0285 2084730082P SCREW BND T M3X8 BND T 2 29 M SCW 0824 6719 2082630062P SCREW M3X6 P 0 5 2 30 M SCW 0824 0285 2084730082P SCREW BND T M3X8 BND T 2 31 N A 2083630068P SCREW FMS M3X6 M S TITE F ZN 2 32 N A 2022273104P CABI BACK 32R ABS HB BLACK X3UA 1 33 N A 2071887500P BRACKET FIX 32R ARM BRACKET SECC T 2 0mm 2 34 M S...

Page 86: ...2012902P V901 19 Bracket Black ABS 94HB HW 00008151 2028557202P 5B01 20 Bracket JC328VE SECC T 1 2 HW 00008305 2071875401P 5B02 21 Accessory Box Carton 360X220X50mm B P 00004497 2011100017P 6P85 22 Polyethy Bag P 00005968 2013054007P 6P60 23 Top Right EPS Polyfoam P 00008435 2012199940P 6P20 24 Top Left EPS Polyfoam P 00008436 2012199950P 6P21 25 Down Right EPS Polyfoam P 00008437 2012199960P 6P22...

Page 87: ...IP C184 1 42 N A 2345710496P CS 0402 Y5V 16V 0 1u Z T CAP CHIP C185 1 43 N A 2346710596P CS 0603 Y5V 16V 1 0u Z T CAP CHIP C189 1 44 N A 2347647596P CS 0805 Y5V 16V 4 7u Z T CAP CHIP C190 1 45 N A 2345710496P CS 0402 Y5V 16V 0 1u Z T CAP CHIP C193 1 46 N A 2340115096P CS 0402 NPO 50V 15p J T CAP CHIP C197 1 47 N A 2345110296P CS 0402 X7R 50V 1000p K T CAP CHIP C198 1 48 N A 2340115096P CS 0402 NPO...

Page 88: ... Z T CAP CHIP C326 1 129 N A 2340150996P CS 0402 NPO 50V 5p D T CAP CHIP C327 1 130 N A 2340150996P CS 0402 NPO 50V 5p D T CAP CHIP C328 1 131 N A 2345510396P CS 0402 Y5V 50V 0 01u Z T CAP CHIP C329 1 132 N A 2345510396P CS 0402 Y5V 50V 0 01u Z T CAP CHIP C330 1 133 N A 2340150996P CS 0402 NPO 50V 5p D T CAP CHIP C331 1 134 N A 2340150996P CS 0402 NPO 50V 5p D T CAP CHIP C332 1 135 N A 2345510396P...

Page 89: ...S 0603 X7R 16V 1 0u K T CAP CHIP C462 1 219 N A 2347233496P CS 0805 X7R 25V 0 33u K T CAP CHIP C463 1 220 N A 2345310496P CS 0402 X7R 16V 0 1u K T CAP CHIP C464 1 221 N A 2346310596P CS 0603 X7R 16V 1 0u K T CAP CHIP C465 1 222 N A 2346722496P CS 0603 Y5V 16V 0 22u Z T CAP CHIP C467 1 223 N A 2345147196P CS 0402 X7R 50V 470p K T CAP CHIP C468 1 224 N A 2347647596P CS 0805 Y5V 16V 4 7u Z T CAP CHIP...

Page 90: ... SMD D151 RA 1 306 N A 2364600496P 02 BAS32L SOD80C PHILIPS DIODE RECT SMD D151 RB 1 307 N A 2364600496P 03 RLS4148 T11 SOD80C ROHM DIODE SWITCH D151 RC 1 308 E 00003830 2364601396P 1N4148W 7 F SOD 123 DIODES DIODE SWITCH SMD D151 RD 1 309 N A 2364600496P 01 MM4148 SOD80C GRANDE DIODE SWITCH SMD D152 RA 1 310 N A 2364600496P 02 BAS32L SOD80C PHILIPS DIODE RECT SMD D152 RB 1 311 N A 2364600496P 03 ...

Page 91: ...EAD HI IMPEDANCE L127 1 398 E 00003533 2379520196P Z 200 ohm 0805 I 2 0A BEAD HI CURRENT L128 1 399 N A 2379380096P Z 80 ohm 100MHZ 0603 200mA BEAD HI IMPEDANCE L129 1 400 E 00003533 2379520196P Z 200 ohm 0805 I 2 0A BEAD HI CURRENT L131 1 401 N A 2379380096P Z 80 ohm 100MHZ 0603 200mA BEAD HI IMPEDANCE L132 1 402 N A 2379380096P Z 80 ohm 100MHZ 0603 200mA BEAD HI IMPEDANCE L133 1 403 N A 23793800...

Page 92: ...1624 2360301696P PMBS3904 SOT 23 PHILIPS XISTOR NPN R SMD Q125 RA 1 484 E Q 0402 1608 2360300896P MMBT3904K SOT 23 FAIRCHILD XISTOR NPN R SMD Q125 RB 1 485 E Q 0402 1087 2360301896P MMBT3904LT1G LR SOT 23 LRC XISTOR NPN R SMD Q125 RC 1 486 E Q 0402 1624 2360301696P PMBS3904 SOT 23 PHILIPS XISTOR NPN R SMD Q126 RA 1 487 E Q 0402 1608 2360300896P MMBT3904K SOT 23 FAIRCHILD XISTOR NPN R SMD Q126 RB 1...

Page 93: ...158 1 574 N A 2253133096P RC 0402 1 16W 33 ohm J T RES CHIP 1 16W R160 1 575 N A 2253122196P RC 0402 1 16W 220 ohm J T RES CHIP 1 16W R161 1 576 N A 2253147396P RC 0402 1 16W 47Kohm J T RES CHIP 1 16W R163 1 577 N A 2253110396P RC 0402 1 16W 10Kohm J T RES CHIP 1 16W R165 1 578 N A 2253110396P RC 0402 1 16W 10Kohm J T RES CHIP 1 16W R166 1 579 N A 2253110396P RC 0402 1 16W 10Kohm J T RES CHIP 1 16...

Page 94: ...663 N A 2253110196P RC 0402 1 16W 100 ohm J T RES CHIP 1 16W R264 1 664 N A 2253110396P RC 0402 1 16W 10Kohm J T RES CHIP 1 16W R265 1 665 N A 2253100096P RC 0402 1 16W 0 ohm J T RES CHIP 1 16W R266 1 666 N A 2253110196P RC 0402 1 16W 100 ohm J T RES CHIP 1 16W R267 1 667 N A 2253127396P RC 0402 1 16W 27Kohm J T RES CHIP 1 16W R271 1 668 N A 2253127396P RC 0402 1 16W 27Kohm J T RES CHIP 1 16W R272...

Page 95: ...752 N A 2251120036P RC 0402 1 16W 200Kohm F T RES CHIP 1 16W R378 1 753 N A 2253410096P RC 1206 1 4 W 10 ohm J T RES CHIP 1 4W R379 1 754 N A 2253110296P RC 0402 1 16W 1K ohm J T RES CHIP 1 16W R380 1 755 N A 2251110026P RC 0402 1 16W 10Kohm F T RES CHIP 1 16W R381 1 756 N A 2253110396P RC 0402 1 16W 10Kohm J T RES CHIP 1 16W R382 1 757 N A 2253110396P RC 0402 1 16W 10Kohm J T RES CHIP 1 16W R383 ...

Page 96: ...AP ELE 105 C C142 1 842 N A 2333310713P EC 100u 16V 6 3 11 P 2 5 T CAP ELE 105 C C143 1 843 N A 2333310713P EC 100u 16V 6 3 11 P 2 5 T CAP ELE 105 C C144 1 844 N A 2333310713P EC 100u 16V 6 3 11 P 2 5 T CAP ELE 105 C C147 1 845 N A 2333310713P EC 100u 16V 6 3 11 P 2 5 T CAP ELE 105 C C148 1 846 N A 2333310713P EC 100u 16V 6 3 11 P 2 5 T CAP ELE 105 C C153 1 847 N A 2333310713P EC 100u 16V 6 3 11 P...

Page 97: ... CS 0603 Y5V 16V 1 0u Z T CAP CHIP C320 1 931 N A 2345710496P CS 0402 Y5V 16V 0 1u Z T CAP CHIP C321 1 932 E 00003865 2346710596P CS 0603 Y5V 16V 1 0u Z T CAP CHIP C322 1 933 N A 2345710496P CS 0402 Y5V 16V 0 1u Z T CAP CHIP C323 1 934 N A 2345710496P CS 0402 Y5V 16V 0 1u Z T CAP CHIP C359 1 935 N A 2345710496P CS 0402 Y5V 16V 0 1u Z T CAP CHIP C360 1 936 N A 2345710496P CS 0402 Y5V 16V 0 1u Z T C...

Page 98: ...0P JC206 IR B CEM1 51 5 9 PC BOARD U702 1 1019 N A 2063452700P JC328 RUBBER 7 5 7 5 2T ADHESI SHEET 9R81 1 1020 N A 2404301101P JST PH 2P SIDE P 2 0 OR EQUAL CONNECTOR P751 1 1021 M SW 0815 0182 2403702200P 1P H 4 3mm 160g TOP TACT SWITCH S751 1 1022 N A 2202137800P JC328RV P BUTTON B FR1 30 30mm PC BOARD U703 1 1023 B 00008416 2200227058P FSP212 3F02 SPI PCB ASS Y U801 RA 1 1024 B 00008417 220022...

Page 99: ...BRACKET FIX 5B02 1 1092 HW 00008152 2083740122P SCREW BND T M4 12 BND T SCREW BND T 5B03 4 1093 PL 00008143 2028260102P 26E ABS 94HB BLACK C STAND 5B04 1 1094 HW 00008160 2084740082P M4X8 BND T SCREW BND T 5B05 8 1095 N A 2082750402P M5X40 M P ZN CC SCREW BND 5B08 4 1096 N A 2039802304P CRφ16 5X7 3 BLACK FOOT PAD 5B09 4 1097 N A 2084740104P M4X10 BND T BLK SCREW BND T 2C12 14 1098 N A 2082340082P ...

Page 100: ...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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