ViewSonic N3235w-1M Service Manual
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ViewSonic N3235w-1M Service Manual

ViewSonic N3235w-1M Service Manual

32” lcd tv
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Service Manual

ViewSonic N3235w-1M
Model No. VS11770-1M
32" LCD TV
(N3235w-1M_SM Rev. 1a Jun. 2007)
®
ViewSonic
381 Brea Canyon Road, Walnut, California 91789 USA - (800) 888-8583

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Summary of Contents for ViewSonic N3235w-1M

  • Page 1: Service Manual

    Service Manual ViewSonic N3235w-1M Model No. VS11770-1M 32” LCD TV (N3235w-1M_SM Rev. 1a Jun. 2007) ® ViewSonic 381 Brea Canyon Road, Walnut, California 91789 USA - (800) 888-8583...

  • Page 2: Revision History

    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.

  • Page 3: Table Of Contents

    5. Adjustment Procedure ................27 6. Trouble Shooting Flow Chart..............54 7. Block Diagram .....................58 8. Schematic Diagrams..................59 9. PCB Layout Diagrams .................72 10. Exploded Diagram And Exploded Parts List...........80 11. Recommend Spare Parts List..............83 ViewSonic Corporation N3235w-1M Confidential - Do Not Copy...

  • Page 4: Precautions And Safety Notices

    (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 N3235w-1M Confidential - Do Not Copy...
  • Page 5 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 N3235w-1M Confidential - Do Not Copy...
  • Page 6 ViewSonic Corporation N3235w-1M Confidential - Do Not Copy...

  • Page 7: Specification

    Typical. 0.35 V Audio Characteristics: AF Output Level Measured via LP 20 kHz Typical. 0.35Vrms Filter, RMS Decoder, 75us De-emphasis 10% (max.) 44 dB (min.) Compatible system TUNER NTSC/ATSC Compatible system AV NTSC M ViewSonic Corporation N3235w-1M Confidential - Do Not Copy...
  • Page 8 3.0A @ 115VAC // 1.5A @ 230VAC Max in < 150A (with fully loaded power supply) at 230Vac Power Supply Inrush Shall not result in permanent failure of power supply (including blown ViewSonic Corporation N3235w-1M Confidential - Do Not Copy...
  • Page 9 5. Firmware & OSD The product firmware of VS11770-1M shall have a firmware version of V:P01 or later version. Any changes/revisions afterward shall also be pre-approved by ViewSonic in written. For VS11770-1M, its firmware shall have a built-in frequency table for NTSC/ATSC off-air TV/CATV, Closed-Caption, and with MTS implementation.
  • Page 10 Painting Color - PANTONE 427C (Black for front bezel & back cover) Power Key - PANTONE 032C (RED) Color Key Pads – PANTONE 11C & PANTONE 5C(Cool Gray) Texts Printed on Front Cover and Key Pads - PANTONE 427C, PANTONE 433C(Black) ViewSonic Corporation N3235w-1M Confidential - Do Not Copy...
  • Page 11 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 1.5 mm.

  • Page 12: Front Panel Function Control Description

    CH Up Channel up when source is TV, or select a control while in OSD menu. ENTER To highlight a control in OSD menu. Power ON/OFF button Remote Control Receiver Power LED Indicator ViewSonic Corporation N3235w-1M Confidential - Do Not Copy...

  • Page 13: Rear View Of The Product

    Headphone Jack Connect this port to your headphone. HDMI Input Terminal Connect this port to the HDMI output of A/V device. Power (AC input) Using power cord provided, connect to a power source. ViewSonic Corporation N3235w-1M Confidential - Do Not Copy...

  • Page 14: Remote Control

    Remote Control ViewSonic Corporation N3235w-1M Confidential - Do Not Copy...
  • Page 15 Select picture modes WIDE Change the image size RETURN Return to previous channel CH▲ and CH▼ Adjust Channel UP/DOWN FAV.CH Select from preset Favorite Channels MENU On Screen Display (OSD) menu ON/OFF ViewSonic Corporation N3235w-1M Confidential - Do Not Copy...

  • Page 16: Osd Functions

    Color: To adjust color. (right: brilliant color, left: pale color.) • Tint: To adjust tint level. (right: greenish tone, left: reddish tone.) • Sharpness: To adjust picture sharpness. (right: sharper, left: softer.) ViewSonic Corporation N3235w-1M Confidential - Do Not Copy...
  • Page 17 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 — To set the audio quality and status In TV source: ViewSonic Corporation N3235w-1M Confidential - Do Not Copy...
  • Page 18 It is only active in TV source. • Tuner Mode: To select Cable or Air as the TV source. Select “Cable” if you want to watch Cable TV channels, and select Air to watch Air TV channels. ViewSonic Corporation N3235w-1M Confidential - Do Not Copy...
  • Page 19 Setup Menu — To set up OSD window In TV, AV, S-Video, YPbPr, HDMI source: Note: When in AV, S-Video, YPbPr or HDMI source,the TV option on the left does not appear. ViewSonic Corporation N3235w-1M Confidential - Do Not Copy...
  • Page 20 Timer: To set power-on and power-off time. Sleep Timer: To set the off timer from 10~120 minutes. Auto Sleep: To set the off timer for longer intervals -- 1 hour, 2 hours, or 5 hours. ViewSonic Corporation N3235w-1M Confidential - Do Not Copy...
  • Page 21 Background Color: To select background color. Background Opacity: To select background opacity. Window Color: To select window color. Window Opacity: To select window opacity. • Memory Recall: To restore the factory default settings. ViewSonic Corporation N3235w-1M Confidential - Do Not Copy...
  • Page 22 Enter password and the screen below will show. (The default password is 0000.) • Channel Block: To block channels. Use ▲▼ to select the channel you want to block, and then press ENTER to block or unblock it. ViewSonic Corporation N3235w-1M Confidential - Do Not Copy...
  • Page 23 Use ENTER button to block or unblock the ratings, and use MENU to exit. U.S. Movie Ratings: To adjust movie blocking level in the US. You can select between G, PG, PG-13, R, NC-17, or X. ViewSonic Corporation N3235w-1M Confidential - Do Not Copy...
  • Page 24 13 ans + Not appropriate for children of less than 13 years Use ENTER button to block or unblock the ratings, and use MENU to exit. Block Unrated: To block unrated movie or TV programs. ViewSonic Corporation N3235w-1M Confidential - Do Not Copy...
  • Page 25 Note: Please make sure you remember your new password after changing, because you cannot recall the default setting of the password by any selection. • Clear All: To clear all the locks set before, press ENTER, and then select “OK” to confirm. ViewSonic Corporation N3235w-1M Confidential - Do Not Copy...

  • Page 26: Circuit Description

    MT5371 supports alpha blending for Video and two OSD planes. It also supports 10bit gamma correction and advanced dithering processing for LCD display with 6/8/10 bit output. ViewSonic Corporation N3235w-1M Confidential - Do Not Copy...
  • Page 27 MT5371 is also including a fully HDMI-compliant receiver that fits directly into home theater products such as LCD TVs, plasma TVs and HDTVs. The receiver is capable of supporting ViewSonic Corporation N3235w-1M Confidential - Do Not Copy...
  • Page 28 IC YDA138. Two DAC outputs from MT8291 reach 2Vrms in a 12V supply environment including a headphone, two left/right line outputs with volume gain/attenuation from -127 dB to +12 dB and digital ViewSonic Corporation N3235w-1M Confidential - Do Not Copy...
  • Page 29 The IC YDA138 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. MT5112 ATSC+NTSC Combo Tuner MT5371 CVBS AV/SV Audio(RCAR/L) YDA138 MT8291 Speaker (Audio Amp.) YPbPr Audio(RCAR/L) (Audio Codec) PC/DVI Audio(mini jack) HeadPhone ViewSonic Corporation N3235w-1M Confidential - Do Not Copy...
  • Page 30 ENTER, The color warm will auto adjust. The act of EHITE BALANCEL is completed when EHITE BALANCEL disappeared. 4.After adjusting, switch to FULL WHITE and check the value of each color. ViewSonic Corporation N3235w-1M Confidential - Do Not Copy...
  • Page 31 SPEAKER output is right. Meets earphone with the EARPHONE, Determined whether the action of EARPHONE output is normal. 1.4.11 All Modes Reset After final QC step, we must to erase all saved changes again and restore the factory defaults. ViewSonic Corporation N3235w-1M Confidential - Do Not Copy...
  • Page 32 613.75 655.00 614 – 620 615.25 661.00 619.75 620 – 626 621.25 625.75 667.00 627.25 626 – 632 631.75 673.00 632 – 638 633.25 679.00 637.75 639 – 644 639.25 643.75 685.00 ViewSonic Corporation N3235w-1M Confidential - Do Not Copy...
  • Page 33 635.75 677.00 336 – 342 337.25 383.00 636 – 642 637.25 693.00 341.75 641.75 342 – 348 343.25 347.75 389.00 642 – 648 643.25 647.75 689.00 348 – 354 349.25 353.75 395.00 ViewSonic Corporation N3235w-1M Confidential - Do Not Copy...
  • Page 34 B.CHANNEL36: Check whether the color of the color bar is normal. C.CHANNEL69: Turn RF attenuator and check the critical point of the change of the image’s S/N is under LEVEL<45~85> dBu, regards as normally. ViewSonic Corporation N3235w-1M Confidential - Do Not Copy...
  • Page 35 13.328ms 16.667ms 16.666ms V TOTAL 15.880ms 12.795ms 16.000ms 15.880ms V DISPLAY 0.600ms 0.466ms 0.444ms 0.600ms V B-Porch 0.124ms 0.050ms 0.111ms 0.124ms Vs Width 0.000ms 0.000ms 0.000ms 0.000ms V Border H/V Sync Interlace ViewSonic Corporation N3235w-1M Confidential - Do Not Copy...
  • Page 36 H B-Porch 1.310us 1.037us H Width 0.000us 0.000us H Border 16.662ms 16.661ms V TOTAL 16.097ms 16.005ms V DISPLAY 0.377ms 0.594ms V B-Porch 0.126ms 0.047ms Vs Width 0.00ms 0.00ms V Border H/V Sync Interlace ViewSonic Corporation N3235w-1M Confidential - Do Not Copy...
  • Page 37 DDC Card RS-232 cable Barcode Reader VGA Cable N3235WM LCD TV DDC Card 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 N3235w-1M Confidential - Do Not Copy...
  • Page 38 2.2.4 Connect Power Cord to N3235WM 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 N3235w-1M Confidential - Do Not Copy...
  • Page 39 2.3.3 Press “ENTER” key. 2.3.4 Press “F4” key and Input bar code ViewSonic Corporation N3235w-1M Confidential - Do Not Copy...
  • Page 40 2.3.5 Press “ENTER” key, then the successful picture is as follows. “DDC DOWNLOED OK! 2.3.6 Exit program. ViewSonic Corporation N3235w-1M Confidential - Do Not Copy...
  • Page 41 3.1 Equipment Needed N3235WM LCD TV RS-232 cable Barcode Reader HDMI Cable N3235WM LCD TV 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 N3235w-1M Confidential - Do Not Copy...
  • Page 42 3.2.3 Connect DDC Card and N3235WM LCD TV with HDMI Cable. 3.2.4 Connect Power Cord to N3235WM LCD TV. 3.3 DDC Key In Procedure 3.3.1 Run DDC.exe 3.3.2 Choose model number then ViewSonic Corporation N3235w-1M Confidential - Do Not Copy...
  • Page 43 3.3.3 Press “ENTER” key. 3.3.4 Press “F4” key. ViewSonic Corporation N3235w-1M Confidential - Do Not Copy...
  • Page 44 3.3.5 Input bar code 3.3.6 Press “ENTER” key, then the successful picture is as follows. “DDC DOWNLOED 3.3.7 Exit program ViewSonic Corporation N3235w-1M Confidential - Do Not Copy...
  • Page 45 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 upgraded if necessary. "MtkTool Auto BaudRate.exe" 4.5 The Mtktool Operat 4.5.1 Select Platform : MT537X ViewSonic Corporation N3235w-1M Confidential - Do Not Copy...
  • Page 46 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 N3235w-1M Confidential - Do Not Copy...
  • Page 47 4.5.4 Enable the USB Bridge. 4.5.5 Browsing the File to download. ViewSonic Corporation N3235w-1M Confidential - Do Not Copy...
  • Page 48 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 N3235w-1M Confidential - Do Not Copy...
  • Page 49 At last, close the carton and seal it with tape. (Figure 4) 1.Power Cord 2.VGA Cable 3.RF Cable 4.RCA Cable 5.User’s Guide 6.Remote contrl 7.Guarant Card 8.Battery Figure 3 Figure 4 ViewSonic Corporation N3235w-1M Confidential - Do Not Copy...
  • Page 50 PACKING PART LIST (N3235w-1) ViewSonic Model Number: VS11770-1M Rev: 1a Item ViewSonic P/N Ref. P/N Location Q'ty N3235WM monitor P-00005968 2013054007P POLYETHY BAG P-00008435 2012199940P POLYFOAM (T.R) P-00008436 2012199950P POLYFOAM (T.L) P-00008437 2012199960P POLYFOAM(B.R) P-00008438 2012199970P POLYFOAM(B.L) P-00008078 2013228805P POLYETHY BAG...
  • Page 51 1.1 Unscrew 9 screws to remove Rear Cover. Rear Cover 2. Disassembly of Main Board,Power Board,Switch Board ,KeyPad Board,Front Cover and Panel Unit. 2.1 Unscrew 5 screws to remove Dust Cover. Dust Cover ViewSonic Corporation N3235w-1M Confidential - Do Not Copy...
  • Page 52 2.2 Unscrew 14 screws to remove Shield Plate. Shield Plate 2.2. Unscrew 8 screws to remove METAL FITTG-I/O-Down. METAL FITTG-I/O-Down ViewSonic Corporation N3235w-1M Confidential - Do Not Copy...
  • Page 53 2.3. Unscrew 3 screws to remove METAL FITTG-I/O-Side METAL FITTG-I/O-Side 2.4. Unscrew 4 screws and disconnect the wires to remove Main Board. Main Board ViewSonic Corporation N3235w-1M Confidential - Do Not Copy...
  • Page 54 2.5. Unscrew 4 screws and disconnect the wires to remove Power Board. Power Board 2.6. Unscrew 3 screws and disconnect the wires to remove KeyPad Board. Key Board ViewSonic Corporation N3235w-1M Confidential - Do Not Copy...
  • Page 55 2.7. Unscrew 2 screws to remove Switch Board. 2.8. Unscrew 5 screws to remove Front Cover. Front Cover ViewSonic Corporation N3235w-1M Confidential - Do Not Copy...
  • Page 56 2.9. Unscrew 4 screws to remove Panel Bracket. Panel Bracket 2.9. Unscrew 6 screws to remove Panel Unit. Panel Unit ViewSonic Corporation N3235w-1M Confidential - Do Not Copy...

  • Page 57: Trouble Shooting Flow Chart

    Replace Power Check P101 5V,12V power module is module Check 3.3V is on Replace I103 C115? Check IR Board Replace IR Board Check X102 is OK? Replace X102 Replace I116 & I118 ViewSonic Corporation N3235w-1M Confidential - Do Not Copy...
  • Page 58 6.2. NO VOICE AV,S-VIDEO,YPbPr Check Wire Check I114 Pin24 Connection on has output signal? power module is Replace I124 Replace I114 Check I116 I2S signal output to Replace I116 I124? Check Speaker Wire ViewSonic Corporation N3235w-1M Confidential - Do Not Copy...
  • Page 59 6.3. NO DISPLAY YPbPr S-VIDEO NTSC TV Check Video wave Check Replace Check Replace I114 Replace form is on I114 Pin25? L138,R223,R222,C393, L142,R238,R239,C405 L138,R223,R222,C393, L142,R238,R239,C405 R224,C394 is OK? R224,C394 is OK? Replace Check C178,R140, C178,R140,C177 C177 is OK? Check I116 has output signal at Replace I116 Pin9,10,13,14,17,18,2...
  • Page 60 Replace I116 21,22,25,26 of P113? Check the LVDS Replace LVDS wire from P113 to Wire panel is OK? Check inverter wire Replace Inverter from power module Wire to panel is OK? Replace Panel ViewSonic Corporation N3235w-1M Confidential - Do Not Copy...

  • Page 61: Block Diagram

    MT511x ATSC+NTSC (Demod.) Combo Tuner CVBS / SIF Flash MT537x AV(CVBS) S-Video SDRAM YPbPr SDRAM VGA (D-Sub) AV/SV Audio(RCAR/L) YDA138 MT8291 Speaker YPbPr Audio(RCAR/L) (Audio Amp.) (Audio Codec) PC/DVI Audio(mini jack) HeadPhone ViewSonic Corporation N3235w-1M Confidential - Do Not Copy...

  • Page 62: Schematic Diagrams

    R0603 D103 R135 B340 R136 R0603 182/ 1% R0603 1.25 x (1+182/110) = 3.319V C173 0.8 x (1+1K/1K) = 1.6V 0.1uF C0603 POWER SUPPLY +3V3 FOR MT5112 POWER SUPPLY +1V8 FOR MT5112 ViewSonic Corporation N3235w-1M Confidential - Do Not Copy...
  • Page 63 L0805 AVSS2 DVDD33 X101 R155 C0603 25MHz C219 C202 C208 R0603 27pF 10uF/50V 0.1uF AVDD33 L123 ADVDD33_2 C0603 CE025050 C0603 FB/120R/3A L0603 C221 0.1uF C0603 RN03 33x4 RN8P4R-I TS0DATA4 TS0DATA5 TS0DATA6 TS0DATA7 ViewSonic Corporation N3235w-1M Confidential - Do Not Copy...
  • Page 64 INPUT INPUT ANALOG VIDEO INPUT DV33 HDMI VIDEO INPUT PDREST AVCC_DV33 PDWAIT_ ADIN3 PDINPACK_ ADIN3 I2SIN_DATA PDREG_ I2SIN_DATA AO1SDATA4 AO1SDATA4 AO1SDATA3 AO1SDATA3 AO1MCLK AO1MCLK AO1BCK AO1BCK AO1LRCK AO1LRCK AUDIO I2S INTERFACE OXTALI ViewSonic Corporation N3235w-1M Confidential - Do Not Copy...
  • Page 65 AVCC_VPLL C294 R162 R163 MEM_VREF MEM_VREF 0.1uF C295 C0805 C0603 RVREF RVREF R0603 C0603 0.1uF R0603 R0603 C0603 R161 RESTUP DIGITAL POWER NC(50) AVCC_VPLL R0603 VIDEO DAC POWER HDMI POWER LVDS POWER ViewSonic Corporation N3235w-1M Confidential - Do Not Copy...
  • Page 66 SPDIF CIRCUIT L136 FB/120R/3A L0603 C307 0.1uF C0603 R190 P103 S/PDIF OUT DV33SB R0603 ASPDIF OPTICAL R193 R194 3.3K 3.3K P104 R0603 R0603 U0RX U0TX 4x1 W/HOUSING 4P200VM FOR CODE DOWNLOAD AND DEBUGGING ViewSonic Corporation N3235w-1M Confidential - Do Not Copy...
  • Page 67 C368 C369 C370 C372 C364 C371 10uF/10V/Y5V 4.7uF/16V/Y5V 0.1uF 10uF/10V/Y5V 4.7uF/16V/Y5V 220uF/16V C0805 C0805 C0603 C0805 C0805 CE050080 C0603 C0603 C0805 BYPASS CAP. FOR TERMINATOR (EVERY 2 RESISTOR PUT 1 BYPASS CAP.) ViewSonic Corporation N3235w-1M Confidential - Do Not Copy...
  • Page 68 R247 YPBPR_AUDR NC(EZJZ0V800AA) NC(EZJZ0V800AA) C0603 R0603 C0603 R0603 YPBPR_AUDL AV_AUD_R AV_AUD_L AV_AUD_L R248 AV1L_IN AV_AUD_R R249 AV1R_IN R0603 R0603 D115 C411 R250 RCA2x2 NC(EZJZ0V800AA) D116 C412 R251 C0603 R0603 NC(EZJZ0V800AA) C0603 R0603 ViewSonic Corporation N3235w-1M Confidential - Do Not Copy...
  • Page 69 R0603 R0603 VGASCL_IN VGASCL U0TX VGASDA_IN VGASDA U0RX Q108 Q109 2N3904 2N3904 SOT-23 SOT-23 D127 C427 D128 C428 1N4148 NC(100pF) 1N4148 NC(100pF) C0603 C0603 R411 R412 R413 R0603 R0603 100K R0603 FW_LOAD ViewSonic Corporation N3235w-1M Confidential - Do Not Copy...
  • Page 70 GPIO_133 TP77 GPIO_81 TP78 GPIO_133 GPIO_81 R292 GPIO_82 TP79 R0603 GPIO_82 GPIO_83 TP80 GPIO_83 GPIO_84 TP81 HDMIDDCSDA OSDA1 GPIO_84 Q112 NC(2SK2158) GPIO DEPEND-ON YOUR APPLICATION SOT-23 AV33 WORKABLE IN NORMAL MODE ONLY ViewSonic Corporation N3235w-1M Confidential - Do Not Copy...
  • Page 71 R0603 GPIO_19 GPIO_19 2N3904 C455 R0603 SOT-23 0.1uF MUTE MUTE C0603 +12V L150 HPVDD FB/120R/3A HPOUTL L0603 R322 C456 C457 C458 470uF/16V/LowESR 0.1uF 0.1uF MUTE Q122 C0603 C0603 2SD2653K CE050080 R0603 SOT-23 ViewSonic Corporation N3235w-1M Confidential - Do Not Copy...
  • Page 72 R410 R343 R0603 MUTEC GPIO_20 R415 4.7K L157 FB/200R/2A R0603 R0603 L0805 R344 HPDET Q125 OPCTRL6 L158 FB/200R/2A 2PD601AR 2006/02/15_modified L0805 SOT-23 820K C506 Q131 R409 R0603 1uF/16V/X7R 2N3904 C0603 SOT-23 R0603 ViewSonic Corporation N3235w-1M Confidential - Do Not Copy...
  • Page 73 DV33SB R361 R0603 R395 R393 R0603 R0603 R362 Q126 2.2K 2N3904 SOT-23 R0603 C482 1uF/16V/Y5V OPCTRL5 C0603 Q130 2N3904 R394 SOT-23 OPCTRL5="L" : LVDS Power ON OPCTRL5="H" : LVDS Power Off R0603 ViewSonic Corporation N3235w-1M Confidential - Do Not Copy...
  • Page 74 C0603 P115 CH Up GPIO_72 OPCTRL1 OPCTRL3 VOL Dec OPCTRL2 VOL Inc Enter / Source GPIO_73 GPIO_71 CH Down KeyPad GPIO_72 CH Up GPIO_73 Enter/Source Menu / Exit GPIO_74 GPIO_74 Menu/Exit 7P_2mm ViewSonic Corporation N3235w-1M Confidential - Do Not Copy...
  • Page 75 9. PCB Layout Diagrams 9.1. MAIN PCB TOP VIEW ViewSonic Corporation N3235w-1M Confidential - Do Not Copy...
  • Page 76 9.2. MAIN PCB BOTTOM VIEW ViewSonic Corporation N3235w-1M Confidential - Do Not Copy...
  • Page 77 9.3. CON PCB TOP VIEW...
  • Page 78 9.4. CON PCB BOTTOM VIEW...
  • Page 79 9.5. IR PCB TOP VIEW...
  • Page 80 9.6. IR PCB BOTTOM VIEW...
  • Page 81 9.7. P-BUTTON PCB TOP VIEW...
  • Page 82 9.8. P-BUTTON PCB BOTTOM VIEW...
  • Page 83 10. Exploded View And Exploded Parts List ViewSonic Corporation N3235w-1M Confidential - Do Not Copy...
  • Page 84 ViewSonic Corporation N3235w-1M Confidential - Do Not Copy...
  • Page 85 EXPLODED PARTS LIST (N3235w-1) ViewSonic Model Number: VS11770-1M Rev: 1a Serial No. Prefix: QNF Item ViewSonic P/N Ref. P/N Description Q'ty 2024278003P FRONT BEZEL 32R ABS HB G.L BLACK 2033152200P IR COVER 32R GE-LExAN 121R-BR2DO52T(426C) 2032202502P GRILL 32V ABS HB BLACK 4001C 2080006900P SCREW SPE M4*10MM P TYPE:9.1MM...

  • Page 86: Recommended Spare Parts List

    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 ViewSonic Corporation...
  • Page 87 BOM LIST (N3235W-1) ViewSonic Model Number: VS11770-1M Rev: 1a Serial No. Prefix: QNF Item ViewSonic P/N Ref. P/N Description Location Universal number# Q'ty E-00008342 2346110496P CS 0603/X7R/50V 0.1u K T CAP CHIP C103 E-00008342 2346110496P CS 0603/X7R/50V 0.1u K T...
  • Page 88 Item ViewSonic P/N Ref. P/N Description Location Universal number# Q'ty 2341110296P CS 0603/COG/50V 1000p J T CAP CHIP TEMPERATURE 125'C C393 E-C-0404-4424 2346110396P CS 0603/X7R/50V 0.01u K T CAP CHIP C394 2341115096P CS 0603/COG/50V 15p J T CAP CHIP TEMPERATURE 125'C...
  • Page 89 Item ViewSonic P/N Ref. P/N Description Location Universal number# Q'ty 2364600496P-01 MM4148 SOD80C GRANDE DIODE,SWITCH SMD D153 2364600496P-02 BAS32L SOD80C PHILIPS DIODE,RECT(SMD) D153 2364600496P-03 RLS4148-T11 SOD80C ROHM DIODE,SWITCH D153 E-00003830 2364601396P 1N4148W-7-F SOD-123 DIODES DIODE,SWITCH SMD D153 2364600496P-01 MM4148 SOD80C...
  • Page 90 Item ViewSonic P/N Ref. P/N Description Location Universal number# Q'ty E-00003533 2379520196P Z= 200 ohm 0805 I=2.0A BEAD,HI-CURRENT L158 E-00003533 2379520196P Z= 200 ohm 0805 I=2.0A BEAD,HI-CURRENT L159 E-00003533 2379520196P Z= 200 ohm 0805 I=2.0A BEAD,HI-CURRENT L162 E-Q-0402-1624 2360301696P PMBS3904 SOT-23...
  • Page 91 Item ViewSonic P/N Ref. P/N Description Location Universal number# Q'ty E-R-0405-6411 2253210396P RC 0603 1/10W 10Kohm J T RES CHIP 1/10W R114 2251211006P RC 0603 1/10W 110 ohm F T RES CHIP 1/10W R115 E-R-0405-6410 2253210296P RC 0603 1/10W 1.0Kohm J T...
  • Page 92 Item ViewSonic P/N Ref. P/N Description Location Universal number# Q'ty E-R-0405-6411 2253210396P RC 0603 1/10W 10Kohm J T RES CHIP 1/10W R250 E-R-0405-6411 2253210396P RC 0603 1/10W 10Kohm J T RES CHIP 1/10W R251 E-R-0405-6600 2253200096 RC 0603 1/10W 0 ohm J T...
  • Page 93 Item ViewSonic P/N Ref. P/N Description Location Universal number# Q'ty 2336310713P EC 100u/ 16V 6.3*7 P=2.5 T CAP MINI ELE 105'C C140 2336310713P EC 100u/ 16V 6.3*7 P=2.5 T CAP MINI ELE 105'C C145 2336310713P EC 100u/ 16V 6.3*7 P=2.5 T...
  • Page 94 Item ViewSonic P/N Ref. P/N Description Location Universal number# Q'ty E-00008342 2346110496P CS 0603/X7R/50V 0.1u K T CAP CHIP C196 E-00008342 2346110496P CS 0603/X7R/50V 0.1u K T CAP CHIP C197 E-00008342 2346110496P CS 0603/X7R/50V 0.1u K T CAP CHIP C198...
  • Page 95 Item ViewSonic P/N Ref. P/N Description Location Universal number# Q'ty E-00008342 2346110496P CS 0603/X7R/50V 0.1u K T CAP CHIP C327 E-00008342 2346110496P CS 0603/X7R/50V 0.1u K T CAP CHIP C329 2347710696P CS 0805/Y5V/10V 10u Z T CAP CHIP C336 E-00008342 2346110496P CS 0603/X7R/50V 0.1u K T...
  • Page 96 Item ViewSonic P/N Ref. P/N Description Location Universal number# Q'ty 2364600496P-01 MM4148 SOD80C GRANDE DIODE,SWITCH SMD D117 2364600496P-02 BAS32L SOD80C PHILIPS DIODE,RECT(SMD) D117 2364600496P-03 RLS4148-T11 SOD80C ROHM DIODE,SWITCH D117 E-00003830 2364601396P 1N4148W-7-F SOD-123 DIODES DIODE,SWITCH SMD D117 2364600496P-01 MM4148 SOD80C...
  • Page 97 Item ViewSonic P/N Ref. P/N Description Location Universal number# Q'ty E-R-0405-6409 2253210196P RC 0603 1/10W 100 ohm J T RES CHIP 1/10W R148 E-R-0405-6419 2253247296P RC 0603 1/10W 4.7Kohm J T RES CHIP 1/10W R152 E-R-0405-6419 2253247296P RC 0603 1/10W 4.7Kohm J T...
  • Page 98 Item ViewSonic P/N Ref. P/N Description Location Universal number# Q'ty 2301333491P MEB 0.33u/ 63V P=5.0 J T CAP MEB C474 2371130101P T50-52 30uH 0.7mm/24Ts COIL CHOKE L102 2371101700P DWRR9*12 10uH 0.6mm/16.5Ts COIL CHOKE L108 2371130101P T50-52 30uH 0.7mm/24Ts COIL CHOKE...
  • Page 99 2438501271P N3235W-M WIZARD VS11770-1M CPT CD-OWNER GUIDE 6P80 1028 2002310665P VIESSONIC N3235W-M QSG GUARANT CARD 6P81 1029 DC-00008219 2001950197P VIEWSONIC ATSC INSERT PAGE USA ATTACH SHEET 6P82 1030 P-00004497 2011100017P 360X220X50mm (WXDXH) BOX(B) CARTON BOX 6P85 1031 P-00008078 2013228805P 175X280X0.03T mm LDPE A5...

  • Page 100: Pcb Layout Diagrams

    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 N3235w-1M Confidential - Do Not Copy...

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