ViewSonic N3252w-1M Service Manual

ViewSonic N3252w-1M Service Manual

Model no. vs11335-1m 32” lcd tv

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Service Manual

ViewSonic N3252w-1M
Model No. VS11335-1M
32" LCD TV
(N3252w-1M_SM Rev.1b_Aug.2008)
®
ViewSonic
381 Brea Canyon Road, Walnut, California 91789 USA - (800) 888-8583

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Summary of Contents for ViewSonic N3252w-1M

  • Page 1: Service Manual

    Service Manual ViewSonic N3252w-1M Model No. VS11335-1M 32” LCD TV (N3252w-1M_SM Rev.1b_Aug.2008) ® 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 ................28 6. Trouble Shooting Flow Chart..............59 7. Block Diagram .....................63 8. Schematic Diagrams..................64 9. PCB Layout Diagrams .................92 10. Exploded Diagram And Exploded Parts List...........98 11. Recommend Spare Parts List..............101 ViewSonic Corporation N3252w-1M Confidential - Do Not Copy...
  • Page 4: Precautions And Safety Notices

    (13) Small amount of materials having no flammability grade is used in the LCD module. The LCD module should be supplied by power complied with requirements of Limited Power Source (IEC60950 or UL1950), or be applied exemption. ViewSonic Corporation N3252w-1M Confidential - Do Not Copy...
  • Page 5 Do not touch and that may cause “Mura” the surface of the polarizer. Take out the monitor with cushions Taking out the monitor by grasping the LCD panel. That may cause “Mura” ViewSonic Corporation N3252w-1M Confidential - Do Not Copy...
  • 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 N3252w-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 N3252w-1M Confidential - Do Not Copy...
  • Page 8 Input Current 3.0A @ 115VAC // 1.5A @ 230VAC Max in < 150A (with fully loaded power supply) at Power Supply Inrush 230Vac Shall not result in permanent failure of power supply ViewSonic Corporation N3252w-1M Confidential - Do Not Copy...
  • Page 9 The product firmware of VS11257-1M / VS11335-1M shall have a firmware version of V:P01. Any changes/revisions afterward shall also be pre-approved by ViewSonic in written. For VS11257-1M / VS11335-1M, 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) Key Pads – PANTONE 11C & PANTONE 5C(Cool Gray) Color Texts Printed on Front Cover and Key Pads - PANTONE 427C, PANTONE 433C(Black) ViewSonic Corporation N3252w-1M Confidential - Do Not Copy...
  • Page 11 Molded Plastic Workmanship shall be inspected according to ViewSonic Molded Plastic Parts Specification, VSCMPPSPEC001V1.2. Screen Printed Parts, Bird Logo Artwork shall be provided and confirmed by ViewSonic. Recess 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.
  • Page 12: Front Panel Function Control Description

    VOL+ and MENU buttons again to unlock it. 2. Press VOL- and VOL+ buttons at the same time to lock OSD menu, and press VOL- and VOL+ buttons again to unlock it. ViewSonic Corporation N3252w-1M Confidential - Do Not Copy...
  • Page 13: Rear View Of The Product

    SPDIF Optical output Connect this port to the SPDIF input of A/V device. Headphone Jack Connect this port to your headphone. Power (AC input) Using power cord provided, connect to a power source. ViewSonic Corporation N3252w-1M Confidential - Do Not Copy...
  • Page 14: Remote Control

    Remote Control ViewSonic Corporation N3252w-1M Confidential - Do Not Copy...
  • Page 15 Picture function 26 P.INPUT POP/PIP input source select 27 V-CHIP Set V-Chip rating 28 SWAP Switch between main screen and sub-screen Note: PIP means Picture In Picture. POP means Picture Out Of Picture. ViewSonic Corporation N3252w-1M Confidential - Do Not Copy...
  • Page 16: Osd Functions

    Audio Out: To control sound output ON/OFF from the RCA audio out connectors. Note: To adjust the Audio settings, Smart Sound must be set to the User mode. (Select through the Sound button on the remote control) ViewSonic Corporation N3252w-1M Confidential - Do Not Copy...
  • Page 17 Setup Menu — To set up OSD window Setup Menu is active in all input sources. • Language: To select a OSD language from English, French or Spanish. • Parental: To set up parental control. ViewSonic Corporation N3252w-1M Confidential - Do Not Copy...
  • Page 18 Aspect Ratio: To select image size between Normal, Full, Wide1, Wide2, Wide3, 4:3, 16:9, and No scale. • OSD Timeout: To setup the display time of OSD. (5, 15, 45, and 60 seconds) • Memory Recall: To restore the factory default settings. ViewSonic Corporation N3252w-1M Confidential - Do Not Copy...
  • Page 19 Auto Scan: Press ENTER to start scanning DTV channels automatically. Press MENU at any time to cancel Auto Scan. • Manual Scan: To scan the DTV channels manually. Press ENTER and select Scan Mode with ◄►. ViewSonic Corporation N3252w-1M Confidential - Do Not Copy...
  • Page 20 Press ENTER to start scanning, and press MENU at anytime to cancel scanning. • Channel Skip: To skip channels when viewing channels with CH ▲ and ▼. Press ENTER, and then use ENTER to check/uncheck the channel you want to skip. ViewSonic Corporation N3252w-1M Confidential - Do Not Copy...
  • Page 21 Font Opacity: To select font opacity from Solid, Translucent, or Transparent. Background Color: To select background color. Background Opacity: To select background opacity. Window Color: To select window color. Window Opacity: To select window opacity. ViewSonic Corporation N3252w-1M Confidential - Do Not Copy...
  • Page 22 Use ▲▼ to select your desired optional item, and press ENTER. ViewSonic Corporation N3252w-1M Confidential - Do Not Copy...
  • Page 23 7 and above that is unsuitable for children under 14 years of age TV-G General audience TV-MA Mature audience only Use ENTER button to block or unblock the ratings, and use MENU to exit. ViewSonic Corporation N3252w-1M Confidential - Do Not Copy...
  • Page 24 Use ENTER button to block or unblock the ratings, and use MENU to exit. • Block MPAA Unrated: To block unrated movies. • Block TV None Rating: To block unrated TV programs. Notes:Initial password:0000 If you forget your initial password,you can press"8866"to resume. ViewSonic Corporation N3252w-1M Confidential - Do Not Copy...
  • Page 25 Note: To select the input source for main screen, press INPUT button. • SWAP: Press SWAP to exchange main screen to sub-screen, including video and sound. The function is available both in PIP and POP. ViewSonic Corporation N3252w-1M Confidential - Do Not Copy...
  • Page 26 Use ◄► to move the index between the main screen and the sub-screen. "MENU" Lock & Un-lock: Pressing "Vol+" and "Vol-" from Front Panel Keys. "POWER" Lock & Un-lock: Pressing "Vol+" and "MENU" from Front Panel Keys. ViewSonic Corporation N3252w-1M Confidential - Do Not Copy...
  • Page 27: Circuit Description

    MT8202 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 N3252w-1M Confidential - Do Not Copy...
  • Page 28 PES, analyzing the PES header, and transferring the PES to the audio and video decoders. MT8293 is 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 bandwidths up to ViewSonic Corporation N3252w-1M Confidential - Do Not Copy...
  • Page 29 MT8293 via 3 Data TMDS pairs & 1 CLOCK TMDS pairs. Digital video signals are directly output from the MT5351AG and MT8293 and then transfer them to the MT8202 for advanced processing. ViewSonic Corporation N3252w-1M Confidential - Do Not Copy...
  • Page 30 Digital audio, such as HDMI and DTV, have decoded by MT5351 and MT8293, is converted to I2S digital audio already. The I2S digital audio data is decoded and processed by MT8202, and then be delivered to AD8256 for audio amplifying. ViewSonic Corporation N3252w-1M Confidential - Do Not Copy...
  • Page 31: Adjustment Procedure

    1.Fig. 1: under the picture 16 grey scale of VGA source, select WHITE BALANCE and press ENTER, The color warm will auto adjust. The act of EHITE BALANCEL is completed when the picture is steady. ViewSonic Corporation N3252w-1M Confidential - Do Not Copy...
  • Page 32 AUDIO IN is right. D. Under YPbPr MODE, input L/R AUDIO signal, checks whether the action of AUDIO IN is right. E. Under HDMI MODE, checks whether the action of AUDIO IN is right. ViewSonic Corporation N3252w-1M Confidential - Do Not Copy...
  • Page 33 After final QC step, we must to erase all saved changes again and restore the factory defaults. You should do “All Mode Reset” again. Turn off the LCD TV by pressing “Power” button. ViewSonic Corporation N3252w-1M Confidential - Do Not Copy...
  • Page 34 613.75 655.00 614 – 620 615.25 619.75 661.00 620 – 626 621.25 625.75 667.00 626 – 632 627.25 631.75 673.00 632 – 638 633.25 637.75 679.00 639 – 644 639.25 643.75 685.00 ViewSonic Corporation N3252w-1M Confidential - Do Not Copy...
  • Page 35 635.75 677.00 336 – 342 337.25 341.75 383.00 636 – 642 637.25 641.75 693.00 342 – 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 N3252w-1M Confidential - Do Not Copy...
  • Page 36 CHANNEL14: Check whether there are some pause or the mosaic phenomenon in the picture. 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 ViewSonic Corporation N3252w-1M Confidential - Do Not Copy...
  • Page 37 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 N3252w-1M Confidential - Do Not Copy...
  • Page 38 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 N3252w-1M Confidential - Do Not Copy...
  • Page 39 DDC Card RS-232 cable Barcode Reader VGA Cable N3252W 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 N3252w-1M Confidential - Do Not Copy...
  • Page 40 2.2.3 Connect DDC Card and N3252W LCD TV with VGA Cable. (when key in DVI DDC information, use VGA transform to DVI port ) 2.2.4 Connect Power Cord to N3252W LCD TV. 2.3 DDC Key In Procedure 2.3.1 Run DDC.exe ViewSonic Corporation N3252w-1M Confidential - Do Not Copy...
  • Page 41 2.3.2 Choose model number then 2.3.3 Press “ENTER” key. ViewSonic Corporation N3252w-1M Confidential - Do Not Copy...
  • Page 42 2.3.4 Press “F4” key. 2.3.5 Input barcode ViewSonic Corporation N3252w-1M Confidential - Do Not Copy...
  • Page 43 2.3.6 Press “ENTER” key, then the successful picture is as follows. “DDC DOWNLOED 2.3.7Exit program. ViewSonic Corporation N3252w-1M Confidential - Do Not Copy...
  • Page 44 3.1 Equipment Needed N3252W LCD TV RS-232 cable Barcode Reader HDMI Cable N3252W LCD TV RS-232 Cable HDMI Cable Barcode Reader 3.2 Setup Procedure 3.2.1Connect HDMI Card and DDC Card with RS-232 cable. ViewSonic Corporation N3252w-1M Confidential - Do Not Copy...
  • Page 45 3.2.2 Barcode Reader connects with keyboard and PC keyboard port. 3.2.3 Connect DDC Card and N3252W LCD TV with HDMI Cable. 3.2.4 Connect Power Cord to N3252W LCD TV. 3.3 DDC Key In Procedure 3.3.1 Run DDC.exe ViewSonic Corporation N3252w-1M Confidential - Do Not Copy...
  • Page 46 3.3.2 Choose model number then 3.3.3 Press “ENTER” key. ViewSonic Corporation N3252w-1M Confidential - Do Not Copy...
  • Page 47 3.3.4 Input barcode 3.3.5 Press “ENTER” key, then the successful picture is as follows. “DDC DOWNLOED OK! 3.3.6 Exit program. ViewSonic Corporation N3252w-1M Confidential - Do Not Copy...
  • Page 48 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 : MT8105 , MT1389 or MT8205 ViewSonic Corporation N3252w-1M Confidential - Do Not Copy...
  • Page 49 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 N3252w-1M Confidential - Do Not Copy...
  • Page 50 4.5.4 Enable the USB Bridge. 4.5.5 Browsing the File to download. ViewSonic Corporation N3252w-1M Confidential - Do Not Copy...
  • Page 51 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 N3252w-1M Confidential - Do Not Copy...
  • Page 52: Packing For Shipping And Disassembly Procedure

    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 N3252w-1M Confidential - Do Not Copy...
  • Page 53 PACKING PART LIST ( N3252w-1 ) ViewSonic Model Number: VS11335-1M Rev: 1a Item ViewSonic P/N DESCRIPTION STATUS Ref. P/N Location Q'ty N3252W monitor P-00005968 Polyethy Bag Active 2013054007P POLYETHY BAG P-00006596 Foam Top (R) Active 2012184000P POLYFOAM (R) P-00006597 Foam Top (L)
  • Page 54 Disassembly Procedure Disassembly of Stand and Dust Cover from LCD TV. 1.1 Unscrew 4 screws that secure Stand Unit and detach Dust Cover from the LCD TV. Stand Dust Cover Dust Cover ViewSonic Corporation N3252w-1M Confidential - Do Not Copy...
  • Page 55 2. Disassembly of Rear Cover. 2.1 Unscrew 16 screws to remove Rear Cover. Rear Cover 3. Disassembly of Main Board,Power Board,IR Board,Speaker,Front Cover and Panel Unit. 3.1 Unscrew 14 screws to remove Shield Plate. Shield Plate ViewSonic Corporation N3252w-1M Confidential - Do Not Copy...
  • Page 56 3.2. Unscrew 9 screws to remove Dust Cover and METAL FITTG. METAL FITTG-I/O-Down DUST COVER METAL FITTG-I/O-Side ViewSonic Corporation N3252w-1M Confidential - Do Not Copy...
  • Page 57 3.3. Unscrew 5 screws and disconnect the wires to remove Main Board. Main Board 3.4. Unscrew 4 screws and disconnect the wires to remove Power Board. Power Board ViewSonic Corporation N3252w-1M Confidential - Do Not Copy...
  • Page 58 3.5. Unscrew 3 screws and disconnect the wires to remove KeyPad Board. 3.6. Detach Speaker from the LCD TV Speaker ViewSonic Corporation N3252w-1M Confidential - Do Not Copy...
  • Page 59 3.7. Unscrew 8 screws to remove Bracket.Fix. BRACKET,FIX 3.8. Unscrew 4 screws to remove IR Board. IR Board ViewSonic Corporation N3252w-1M Confidential - Do Not Copy...
  • Page 60 3.9. Unscrew 4 screws to remove Front Cover. Front Cover 3.10. Lay Panel Unit facedown and unscrew 8 screws on its right,left,up and down sides, to remove Panel Bracket. Panel Bracket ViewSonic Corporation N3252w-1M Confidential - Do Not Copy...
  • Page 61 3.11.Unscrew 8 screws to remove Bracket.and Panel Unit. Panel Unit ViewSonic Corporation N3252w-1M Confidential - Do Not Copy...
  • Page 62: Trouble Shooting Flow Chart

    Replace I106 Replace I135 signal output to I145? defective? Check I136 is Replace I136 defective? Check Pin37 of I145 is Check Earphone high? circuit Check I145 is Replace I145 defective? Check Speaker Wire ViewSonic Corporation N3252w-1M Confidential - Do Not Copy...
  • Page 63 OK? Check 3.3V is on C113? Replace I101 1.9V is on I102 Pin2? Replace I102 Check IR Board Replace IR Board Check X100 is OK? Replace x100 Replace I106 & I107 ViewSonic Corporation N3252w-1M Confidential - Do Not Copy...
  • Page 64 6.3. NO DISPLAY NTSC YPb Pr S-VIDEO Check Check Video wave form is Replace L221,R172 Check L224,R197,C340 is Replace L224,R197 or Replace I112 L221,R172,R173,C332,C33 on I112 Pin12 ? R173,C332,or C334 C340 4 is OK? Check Replace L215,R501,R170,C331 is L215.R501,R170 or C331 Check L226,R203,C335 is Replace L226,R203, or...
  • Page 65 RP32~RP41? Pin19~22 of P114 ? Check the LVDS wire from Replace LVDS Wire P114 to panel is OK? Check inverter wire from power board to panel is Replace Inverter Wire Replace Panel ViewSonic Corporation N3252w-1M Confidential - Do Not Copy...
  • Page 66: Block Diagram

    HDMI MT8293 Connector (HDMI Rx) MT8202 Flash NTSC Tuner AV(CVBS) S-Video2 SDRAM YPbPr SDRAM PC(D-Sub) AV/SV Audio(RCAx2) CD4052 AD12250 AD8256 YPbPr Audio(RCAx2) Speaker (Audio sw.) (A/D converter) (Audio Amp.) PC/DVI Audio(mini jack) ViewSonic Corporation N3252w-1M Confidential - Do Not Copy...
  • Page 67: Schematic Diagrams

    CON_ 2.5mm_12 L234 L218 AUIO IN/OUT GND DIGITAL GND R113 MMBT3904 UP3_4 UP3_4 R201/0805 R201/0805 (NC)47K UP3_5 UP3_5 5VSB PWM0 PWM0 PWM1 PWM1 DC INPUT C106 C107 0.1U 1000U/16V/LowESR GNDP GNDP GNDP ViewSonic Corporation N3252w-1M Confidential - Do Not Copy...
  • Page 68 C129 L111 R121/0603 AV33A 100U/16V 0.1U LVDS_GND C130 47U/16V I105 LVDS_GND C131 C133 C132 100U/16V 220U/16V C134 0.1U 0.1U AP1084K33 +3.3V Regulator TO-263 LVDS_GND LVDS_GND 3,5,25 VFE_GND VFE_GND 3,5,8,19 VFE_GND1 VFE_GND1 3,5,8,19 ViewSonic Corporation N3252w-1M Confidential - Do Not Copy...
  • Page 69 TP31 TP01 TP26 TP29 TP27 TP36 TP33 TP34 TP35 SB33A SB33B SB18A DV18A DV33A TP37 GPIO5 TXD1 R118 R119 GPIO6 RXD1 TP38 SB33A SB33B SB18A DV18A DV33A VFE_GND UTXD RXD1 URXD TXD1 ViewSonic Corporation N3252w-1M Confidential - Do Not Copy...
  • Page 70 GNDA 3,8,19,22 10U/50V 4.7U 0.1U ADCV33A C0603 VFE_GND L123 47uH ADACVDD VFE_GND L124 R60/0603 AVDD_VAD1 0.45mm C280 C282 C281 C283 C284 C285 10U/50V 100U/16V 0.1U 4.7U 0.1U C0603 C0603 AUDIO_GND VFE_GND AUDIO_GND ViewSonic Corporation N3252w-1M Confidential - Do Not Copy...
  • Page 71 C212 100U/16V 0.1U C213 DV25B C214 C215 C216 C217 C218 470U/16V 0.1U AMC7585-3.3V/TO252 CLOSE TO 8202 PIN 0.1U 0.1U 0.1U 0.1U 0.1U C219 C220 DV25A 100U/16V 470U/16V C222 C223 100U/16V 0.1U CE025063 ViewSonic Corporation N3252w-1M Confidential - Do Not Copy...
  • Page 72 3300P C0603 C0603 C0603 5VSB DV33A C296 C297 C298 3300P 3300P 3300P C0603 C0603 C0603 C300 C301 C302 C303 100U/16V 0.1U 0.1U 0.1U C304 C305 C306 0.1U 0.1U 0.1U C0603 C0603 C0603 ViewSonic Corporation N3252w-1M Confidential - Do Not Copy...
  • Page 73 C346 330P FROM AV BOARD C347 VFE_GND1 AVPR0N R181 C348 0.01U PR0- AADCVSS AADCVSS 3,5,19,22 VFE_GND1 VFE_GND1 2,3,5,19 FROM Tuner TUMPX1 C349 MPX1 TUMPX2 R183 R184 C351 47U/16V MPX2 C352 C353 AADCVSS ViewSonic Corporation N3252w-1M Confidential - Do Not Copy...
  • Page 74 IOSDA R156 IOSCL R157 UP3_4, UP3_5 OPTION REMOVE L125 SCL_V50 TU_SCL 2.2uH C307 (NC)?uF L126 SDA_V50 TU_SDA 2.2uH C308 (NC)?uF C330 IOSCL IOSCL TUMPX2 TUMPX2 IOSDA IOSDA 47U/16V CE025050 10,26 MONO 10,26 ViewSonic Corporation N3252w-1M Confidential - Do Not Copy...
  • Page 75 S-VIDEO/AV AUDIO IN SY0_GND R536 SVIDEO Input. SY0_IN L225 P103 SC0_IN R200 AVSC0 D108 SC0_IN 2.2uH R201 SY0_GND 5.6V SC0_GND R537 S_TERMINAL1 L226 AV0_IN R203 AVCVBS1 D109 2.2uH R204 5.6V AV0_GND R538 ViewSonic Corporation N3252w-1M Confidential - Do Not Copy...
  • Page 76 MOSFET N 2SK2158 (NC)1M AVCC SOT23 L147 R60/0603 AVCC18 C410 C411 X101 R60/0603 0.1U 0.01U XTLI XTLO R227 (NC)0 (NC)27MHz XTAL C412 C413 Q109 (NC)18P (NC)18P DDC_SDA 9993_SDA MOSFET N 2SK2158 SOT23 AVCC ViewSonic Corporation N3252w-1M Confidential - Do Not Copy...
  • Page 77 TSSOP16 DV18 POWER +1V8 MT5111 POWER DV33 POWER +3V3 MT5351 POWER DIGITAL OUTPUT AV33 POWER +3V3 MT5351 ANALOG POWER DV25 POWER +2V5 MT5351 DDR POWER DV12 POWER +1V2 MT5351 POWER GROUND GROUND ViewSonic Corporation N3252w-1M Confidential - Do Not Copy...
  • Page 78 R416 15,16,18 B9105B_3V3 SHDN DV12 11.5K1% 15,18 DV12 R0603 Regulator AP1522 SOT23-5/SMD 11,13,14,15,16,17,18 Vout = 1.25 x ( 1 + Rb / Ra ) GLOBAL SIGNAL POWER SUPPLY +30V FOR SAMSUNG TUNER ViewSonic Corporation N3252w-1M Confidential - Do Not Copy...
  • Page 79 R160 100 R0603 T_SDA_5111 C314 CVBS 0.1U 10U/50V C0603 CE025050 PORT TUNER DTVS203CH201M IF_AGC IF_AGC 2nd_IF+ 2nd_IF+ 2nd_IF- +30V_TUNER 2nd_IF- +30V_TUNER +5V_TUNER +5V_TUNER T_SDA_5111 T_SDA_5111 [1,2,4,5,6,7,8] T_SCL_5111 T_SCL_5111 GLOBAL SIGNAL TUNER INTERFACE ViewSonic Corporation N3252w-1M Confidential - Do Not Copy...
  • Page 80 C486 C0603 0.1U 0.1U 0.1U 0.1U 0.1U Digital 1.8V Bypass Caps CE025050 L0805 C481 C487 10U/50V 0.1U C0603 C0603 C0603 C0603 C0603 Digital 3.3V Bypass Caps C0603 CE025050 Analog 3.3V Bypass Caps ViewSonic Corporation N3252w-1M Confidential - Do Not Copy...
  • Page 81 AVDD_APLL0 CAPVPLL CAPVPLL CAPVGND CAPVGND APLLCAP1 APLLCAP1 APLLCAP0 APLLCAP0 ATP1 ATP1 ATP2 ATP2 ANALOG PART 5VDD L198 R121/0603 C743 0.1U OPTICAL MT5351 BGA471/SMD/SOCKET ASPDIF R493 SPDIF CIRCUIT DV25 P116 S/PDIF OUT RCA/SPDIF/DIP ViewSonic Corporation N3252w-1M Confidential - Do Not Copy...
  • Page 82 CE025063 C0603 C0603 C0603 C0603 C0603 C0603 C0603 C0603 BYPASS CAP. FOR TERMINATOR C546 C547 FOR DDR#2 (EVERY 2 RESISTOR PUT 1 0.1U 0.1U C0603 C0603 BYPASS CAP.) BYPASS CAP. FOR DDR ViewSonic Corporation N3252w-1M Confidential - Do Not Copy...
  • Page 83 TP75 TP/SMD/D0.6 JTMS JTMS TP/SMD/D0.6 SOFTWARE DEBUG PORT TP76 JTCK JTCK TP/SMD/D0.6 TP77 JRTCK JRTCK TP/SMD/D0.6 TP78 DV33 JTDO JTDO TP/SMD/D0.6 R309 R310 4.7K 4.7K R0603 R0603 U2RX U2TX FOR SOFTWARE LINK ViewSonic Corporation N3252w-1M Confidential - Do Not Copy...
  • Page 84 ANALOG PART C606 R317 R318 0.1U 4.7K 4.7K C0603 R0603 R0603 MEM_VREF MEM_VREF AVDD_APLL0 RVREF RVREF C607 OPWM0 OPWM0 OSDA0 R319 OSDA_MST 0.1U C0603 OXTALI OXTALI R0603 VCXO0 VCXO0 OSCL0 R320 OSCL_MST R0603 ViewSonic Corporation N3252w-1M Confidential - Do Not Copy...
  • Page 85 VSYNC_1 L176 SC20 VGAVSYNC_1 C622 CVCK VCLK C623 R347 D134 100P VGASCL C624 (NC)5.6V 0.01U 100K L178 VGASDA R348 C625 R121/0603 5.6V 0.01U L177 VGAL_IN VGAL_IN R60/0603 C626 24C21/SMD/DIP 100P GNDA VFE_GND ViewSonic Corporation N3252w-1M Confidential - Do Not Copy...
  • Page 86 VGAL_IN VGA_L VGAR_IN VGA_R SG_12V R363 R364 L232 SG_12V C633 0.1U SG20 C0603 I134 YPBPR0_R VGA_R VGA_L AUINR AV0SY0_L AUINL AV0SY0_R YPBPR0_L SW1S1 SW1S2 HEF4052-12V SOP16 AUSW1_1 R365 GPIO7 AUSW1_2 R366 GPIO9 ViewSonic Corporation N3252w-1M Confidential - Do Not Copy...
  • Page 87 ADCVL C653 C652 SDOUT 47U/16V A_IN_R 0.1U DV33B AINR ADCVL AOBCLK R390 A_IN_L SCLK AINL AOLRCK R391 ADCRST_1 GNDA LRCK RST# C654 C655 AD12250 0.1U R392 TSSOP16 PULL DOWN FOR LJ (NC)10K ViewSonic Corporation N3252w-1M Confidential - Do Not Copy...
  • Page 88 22U/50V C748 TP02 AUDIO_OUT2_R R430 L188 R121/0603 AU2AVR R525 VIDEO_OUT C692 C693 NC(100U/16V) 1000P 1000P R497 R498 R499 NC(10K) GNDA D141 (NC)1K NC(220) (NC)5.6V AUDIO OUT RL 共 RCA JACK 1*2 layo ViewSonic Corporation N3252w-1M Confidential - Do Not Copy...
  • Page 89 0.1U 0.1U 3_3AMP C0603 C0603 C0603 Q118 GPIO8 GPIO8 R451 C446 C447 GPIO8 C0603 C0603 R403 R404 R508 R455 R504 4.7K 4.7K AD8256_SDA IOSDA MMBT3904 AD8256_RST IOSDA C664 R505 AD8256_SCL IOSCL IOSCL ViewSonic Corporation N3252w-1M Confidential - Do Not Copy...
  • Page 90 MMBT3906 R461 IRRCVR1 IRRCVR1 4.7K UP3_1 Q121 C726 C727 MMBT3906 47U/16V 0.1U GPIO12 R463 4.7K 5VSB P112 IRRCVR1 LED_G LED_R 6P_2mm C309 470P P113 UP3_0 GPIO16 GPIO15 GPIO13 GPIO11 GPIO14 GPIO10 7P_2mm ViewSonic Corporation N3252w-1M Confidential - Do Not Copy...
  • Page 91 CHANGE 5VSB L195 R121/0805 L196 (NC)R121/0805 C740 R480 PANELVCC 0.1U R526 LVDS_GND I142 Q122 GPIO2 R481 47K GPIO2 R479 C739 C737 0.1U (NC)47K 220U/16V MMBT3904 C787 C735 AP9435M 0.1U 47U/16V LVDS_GND LVDS_GND ViewSonic Corporation N3252w-1M Confidential - Do Not Copy...
  • Page 92 PCTXD PCRXD 0.1U SYSROMWP L : Write Protect EEPROM R513 SCL0 H : Normal Download Q124 DLSW1 DLSW2 R487 GPIO4 EEPROM 24C16 SOP8/SMD CD4052 SOP16/SMD R488 SYSTEM EEPROM R489 R490 (NC)10K MMBT3904 ViewSonic Corporation N3252w-1M Confidential - Do Not Copy...
  • Page 93 8.27 Power board ViewSonic Corporation N3252w-1M Confidential - Do Not Copy...
  • Page 94 8.28 Power inverter ViewSonic Corporation N3252w-1M Confidential - Do Not Copy...
  • Page 95: Pcb Layout Diagrams

    9. PCB Layout Diagrams 9.1. MAIN PCB TOP VIEW ViewSonic Corporation N3252w-1M Confidential - Do Not Copy...
  • Page 96 9.2. MAIN PCB BOTTOM VIEW ViewSonic Corporation N3252w-1M Confidential - Do Not Copy...
  • Page 97 9.3. CON PCB TOP VIEW ViewSonic Corporation N3252w-1M Confidential - Do Not Copy...
  • Page 98 9.4. CON PCB BOTTOM VIEW ViewSonic Corporation N3252w-1M Confidential - Do Not Copy...
  • Page 99 9.5. IR PCB TOP VIEW ViewSonic Corporation N3252w-1M Confidential - Do Not Copy...
  • Page 100 9.6. IR PCB BOTTOM VIEW ViewSonic Corporation N3252w-1M Confidential - Do Not Copy...
  • Page 101: Exploded Diagram And Exploded Parts List

    10. Exploded View And Exploded Parts List ViewSonic Corporation N3252w-1M Confidential - Do Not Copy...
  • Page 102 ViewSonic Corporation N3252w-1M Confidential - Do Not Copy...
  • Page 103 EXPLODED PARTS LIST (N3252w-1M) ViewSonic Model Number: VS11335-1M Rev: 1a Serial No. Prefix: QBR Item ViewSonic P/N Ref. P/N Description Q'ty 2024268209P FRONT BEZEL 32U ABS HB BLACK C 2054256102P ORNAMENT JC32 DRONT BAR ABS HB BLACK C 2033150600P IR COVER JC278UB PC LIMPID 476C 2053754201P LED INDIC.-PWR...
  • Page 104: Recommend Spare Parts List

    Remark 1: Above listed items are examples, supplier can expand the rows to add more necessary items. Remark 2: All revised RSPLs with newly added items or any change made should be highlighted and correlated with the ECN/ECR approved by ViewSonic ViewSonic Corporation...
  • Page 105 BOM LIST (N3252w-1M) ViewSonic Model Number: VS11335-1M Rev: 1a Serial No. Prefix: QBR Item ViewSonic P/N Ref. P/N Description Location Universal number# Q'ty 2346110496P CAP,CHIP 125'C CS 0603/X7R/50V 0.1u K T C100 2346110496P CAP,CHIP 125'C CS 0603/X7R/50V 0.1u K T...
  • Page 106 Item ViewSonic P/N Ref. P/N Description Location Universal number# Q'ty 73 N/A 2346110396P CAP,CHIP 125'C CS 0603/X7R/50V 0.01u K T C411 74 N/A 2346110496P CAP,CHIP 125'C CS 0603/X7R/50V 0.1u K T C416 75 N/A 2346110496P CAP,CHIP 125'C CS 0603/X7R/50V 0.1u K T...
  • Page 107 Item ViewSonic P/N Ref. P/N Description Location Universal number# Q'ty 150 N/A 2346110496P CAP,CHIP 125'C CS 0603/X7R/50V 0.1u K T C661 151 N/A 2346110496P CAP,CHIP 125'C CS 0603/X7R/50V 0.1u K T C662 152 N/A 2341110296P CAP,CHIP 125'C CS 0603/COG/50V 1000p J T...
  • Page 108 Item ViewSonic P/N Ref. P/N Description Location Universal number# Q'ty 227 E-D-0403-2808 2364505616P DIODE,ZENER SMD TZMC5V6 SOD-80 5.2-6.0V VISHAY D132 228 E-D-0403-1779 2364503996P DIODE,ZENER SMD BZV55-C5V6 5% SOD-80C PHILIPS D134 229 E-D-0403-2808 2364505616P DIODE,ZENER SMD TZMC5V6 SOD-80 5.2-6.0V VISHAY D134...
  • Page 109 Item ViewSonic P/N Ref. P/N Description Location Universal number# Q'ty 304 N/A 2379500296P BEAD,HI-CURRENT Z= 120 ohm 0805 I=6.0A L107 305 N/A 2379360006P BEAD,HI-IMPEDANCE Z= 60 ohm(200MHZ~) 0603 300mA L108 306 N/A 2379500296P BEAD,HI-CURRENT Z= 120 ohm 0805 I=6.0A L109...
  • Page 110 Item ViewSonic P/N Ref. P/N Description Location Universal number# Q'ty 381 E-Q-0402-1608 2360300896P XISTOR,NPN R SMD MMBT3904K SOT-23 FAIRCHILD Q102 382 E-Q-0402-1087 2360301896P XISTOR,NPN R SMD MMBT3904LT1 SOT23 Q102 383 E-Q-0402-1624 2360301696P XISTOR,NPN R SMD PMBS3904 SOT-23 PHILIPS Q103 384 E-Q-0402-1608...
  • Page 111 Item ViewSonic P/N Ref. P/N Description Location Universal number# Q'ty 458 N/A 2259222008P RES,CHIP NETWORKS 8P4R 1/16W 22 ohm J P=0.8 RP45 459 N/A 2259275008P RES,CHIP NETWORKS 8P4R 1/16W 75 ohm J P=0.8 RP46 460 N/A 2259247008P RES,CHIP NETWORKS 8P4R 1/16W 47 ohm J P=0.8...
  • Page 112 Item ViewSonic P/N Ref. P/N Description Location Universal number# Q'ty 535 N/A 2253239396P RES CHIP 1/10W RC 0603 1/10W 39Kohm J T R184 536 E-R-0405-6600 2253200096P RES CHIP 1/10W RC 0603 1/10W 0 ohm J T R185 537 N/A 2253275096P RES CHIP 1/10W...
  • Page 113 Item ViewSonic P/N Ref. P/N Description Location Universal number# Q'ty 612 N/A 2253247096P RES CHIP 1/10W RC 0603 1/10W 47 ohm J T R314 613 E-R-0405-6419 2253247296P RES CHIP 1/10W RC 0603 1/10W 4.7Kohm J T R317 614 E-R-0405-6419 2253247296P RES CHIP 1/10W RC 0603 1/10W 4.7Kohm J T...
  • Page 114 Item ViewSonic P/N Ref. P/N Description Location Universal number# Q'ty 689 E-R-0405-6600 2253200096P RES CHIP 1/10W RC 0603 1/10W 0 ohm J T R419 690 N/A 2253210396P RES CHIP 1/10W RC 0603 1/10W 10Kohm J T R420 691 N/A 2253251296P RES CHIP 1/10W RC 0603 1/10W 5.1Kohm J T...
  • Page 115 Item ViewSonic P/N Ref. P/N Description Location Universal number# Q'ty 766 E-R-0405-6600 2253200096P RES CHIP 1/10W RC 0603 1/10W 0 ohm J T R538 767 N/A 2202522801P PCB MULTILAYER 328A71U M/B FR4*4 310*240 2.02 U001 768 N/A 2369502706P XTAL OSC SMD 27.0000MHZ 3.3V/25ppm 5*7...
  • Page 116 Item ViewSonic P/N Ref. P/N Description Location Universal number# Q'ty 843 N/A 2336610613P CAP,MINI ELE 105'C EC 10u/ 50V 5*7 P=2.5 T C571 844 N/A 2336610613P CAP,MINI ELE 105'C EC 10u/ 50V 5*7 P=2.5 T C584 845 N/A 2333622613P CAP ELE 105'C EC 22u/ 50V 5*11 P=2.5 T...
  • Page 117 Item ViewSonic P/N Ref. P/N Description Location Universal number# Q'ty 920 N/A 2346110496P CAP,CHIP 125'C CS 0603/X7R/50V 0.1u K T C181 921 N/A 2346110496P CAP,CHIP 125'C CS 0603/X7R/50V 0.1u K T C182 922 N/A 2346110496P CAP,CHIP 125'C CS 0603/X7R/50V 0.1u K T...
  • Page 118 Item ViewSonic P/N Ref. P/N Description Location Universal number# Q'ty 997 N/A 2346110496P CAP,CHIP 125'C CS 0603/X7R/50V 0.1u K T C311 998 N/A 2346110496P CAP,CHIP 125'C CS 0603/X7R/50V 0.1u K T C318 999 N/A 2346110396P CAP,CHIP 125'C CS 0603/X7R/50V 0.01u K T...
  • Page 119 Item ViewSonic P/N Ref. P/N Description Location Universal number# Q'ty 1074 N/A 2346110496P CAP,CHIP 125'C CS 0603/X7R/50V 0.1u K T C502 1075 N/A 2346110496P CAP,CHIP 125'C CS 0603/X7R/50V 0.1u K T C503 1076 N/A 2346110496P CAP,CHIP 125'C CS 0603/X7R/50V 0.1u K T...
  • Page 120 Item ViewSonic P/N Ref. P/N Description Location Universal number# Q'ty 1151 N/A 2347647596P CAP,CHIP 85'C CS 0805/Y5V/16V 4.7u Z T C601 1152 N/A 2346110496P CAP,CHIP 125'C CS 0603/X7R/50V 0.1u K T C602 1153 N/A 2346110496P CAP,CHIP 125'C CS 0603/X7R/50V 0.1u K T...
  • Page 121 Item ViewSonic P/N Ref. P/N Description Location Universal number# Q'ty 1228 E-R-0405-6600 2253200096P RES CHIP 1/10W RC 0603 1/10W 0 ohm J T R121 1229 N/A 2253222096P RES CHIP 1/10W RC 0603 1/10W 22 ohm J T R132 1230 N/A...
  • Page 122 Item ViewSonic P/N Ref. P/N Description Location Universal number# Q'ty 1305 N/A 2202129800P PC BOARD JC278 KEY/B CEM1 120*20 V1.00 U701 1306 N/A 2363705101P LED L-3WEGW KINGBRIGHT D721 1307 N/A 2419301400P RECEIV BLOCK ECM-A38-3VS28 ECEL I721 1308 M-MS-0808-6354 2404301105P CONNECTOR JST PH 6P SIDE P=2.0 OR EQUAL...
  • Page 123 RCA 3P(Y/R/W) 2562#26 1.8M BLK P904 1394 DC-00006593 2001131602P OWNER GUIDE N3252W VS11335-1M USA 6P80 1395 DC-00006594 2002310590P GUARANT CARD VIEWSONIC N3252W (M) QSG 6P81 1396 P-00004497 2011100017P CARTON BOX 360X220X50mm (WXDXH) BOX(B) 6P85 1397 N/A 2013228807P POLYETHY BAG 200X350X0.03T mm LDPE B5...
  • Page 124 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 N3252w-1M Confidential - Do Not Copy...

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