ViewSonic VT2430-1M Service Manual
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ViewSonic VT2430-1M Service Manual

24" lcd tv
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Service Manual
ViewSonic VT2430-1M
Model No. VS12335-1M
24" LCD TV
(VT2430-1M_SM Rev. 1a Nov. 2008)
®
ViewSonic
381 Brea Canyon Road, Walnut, California 91789 USA - (800) 888-8583

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  • Page 1 Service Manual ViewSonic VT2430-1M Model No. VS12335-1M 24” LCD TV (VT2430-1M_SM Rev. 1a Nov. 2008) ® ViewSonic 381 Brea Canyon Road, Walnut, California 91789 USA - (800) 888-8583...
  • Page 2 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

    6. Trouble Shooting Flow Chart..............58 7. Block Diagram ..................... 62 8. Schematic Diagrams..................63 9. PCB Layout Diagrams ................. 81 10. Exploded View And Exploded Parts List ..........88 11. Recommend Spare Parts List..............91 ViewSonic Corporation VT2430-1M 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 VT2430-1M 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 VT2430-1M Confidential - Do Not Copy...

  • Page 6: Specification

    2. Specification LCD panel of this product shall be provided by “CMO” with a model number of M236H1-L01.The following table defines this panel specification. Any changes in panel must be pre-approved by ViewSonic in written. Parameter Specification a-Si TFT Active Matrix Wide Color, Transmissive Mode,...
  • Page 7 Audio amp of this product shall be provided by “YAMAHA” with a Model Number of YDA148 . “MST” MSD2248AL for VT2430-1M shall be used as sound processor. In addition, a pair of speakers shall be integrated within this product. The audio signals of this product shall comply with the specification listed in the following table.
  • Page 8 The product firmware of VS12335-1M shall have a firmware version of V2.00EB0. Any changes/revisions afterward shall also be pre-approved by ViewSonic in written. For VS12335-1M, its firmware shall have a built-in frequency table for NTSC/ATSC off-air TV/CATV, and with MTS implementation.
  • Page 9 5 meters and an operational angle of 15 degrees for both horizontal and vertical. Besides the key-code and protocol has fully conformed to VS standard. ViewSonic Corporation VT2430-1M Confidential - Do Not Copy...
  • Page 10 Power Key - PANTONE 032C (RED) Color Key Pads – PANTONE 10C & PANTONE 7C(Cool Gray) Texts Printed on Front Cover and Key Pads - PANTONE 427C Protocol VS key-code & protocol. ViewSonic Corporation VT2430-1M 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 Artwork shall be provided and confirmed by ViewSonic. Logo 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

    Channel down when source is TV, or select a control while in OSD menu. CH Up Channel up when source is TV, or select a control while in OSD menu. Select input source. INPUT ViewSonic Corporation VT2430-1M Confidential - Do Not Copy...
  • Page 13 YPbPr/ DVI Audio input the corresponding connectors on your A/V device. (left/ right) Connect the RGB Audio Out on your computer to the RGB Audio PC Audio input on the rear of the LCD TV. ViewSonic Corporation VT2430-1M Confidential - Do Not Copy...
  • Page 14 TV on headphones. ＊ If you connect the headphones, the TV speakers will be muted. Connect this jack to your Cable or VHF/UHF antenna. 11 TV Input Jack ViewSonic Corporation VT2430-1M Confidential - Do Not Copy...
  • Page 15 Blu-ray Disc Digital satellite Player/ PS3 receiver Digital Personal Audio cable box Computer Player system • Please refer to the Quick Start Guide (supplied) when connecting the other equipment to your LCD TV. ViewSonic Corporation VT2430-1M Confidential - Do Not Copy...
  • Page 16 ( For China area ) ( For Hong Kong area ) ( For China area ) ( For Hong Kong area ) ( For China area ) ( For Hong Kong area ) ViewSonic Corporation VT2430-1M Confidential - Do Not Copy...
  • Page 17 Press this button to turn the power on from standby mode. Press it again to return to the standby mode. ▲▼◄► Press these buttons to navigate the OSD menus. ▲/▼ buttons is for function select, and ◄/► is for function adjustment. ViewSonic Corporation VT2430-1M Confidential - Do Not Copy...
  • Page 18 TV broadcasting station. (EX: Mono, Stereo, SAP) 18 C.C Press to select the Closed Caption menu in the TV mode. Press to return to previous channel. 19 RECALL ViewSonic Corporation VT2430-1M Confidential - Do Not Copy...
  • Page 19 (It shows all or some of the information about Input, Channel, Resolution, Audio Type, etc., depending on what input source it is in) ＊The picture here shows an example of the INFO screen in a DTV source. ViewSonic Corporation VT2430-1M Confidential - Do Not Copy...
  • Page 20 (► will only appear when the control is highlighted) 6. Press ◄► to adjust or select the settings. 7. Press MENU to exit from the OSD menu. ViewSonic Corporation VT2430-1M Confidential - Do Not Copy...
  • Page 21 4. To cancel the selection, Press ENTER again on the selected channel. 5. Press MENU to exit. ＊To view your favorite channels, press FAV button to show Favorite List and select your favorite channels that have already been stored. ViewSonic Corporation VT2430-1M Confidential - Do Not Copy...
  • Page 22 5. Use ▲ or ▼ to choose letters or signs, ◄ or ► to move forward or backward. 6. After you input the channel name, press MENU or ENTER to complete the setting. 7. Press MENU to exit. ViewSonic Corporation VT2430-1M Confidential - Do Not Copy...
  • Page 23 (2) Press ◄ or ► to select your desired top Menu. (3) Press ▲ or ▼ to select the control with ►, including “Treble/Bass”, “Closed Caption”, “Restore Default”, then press ► to perform the function or enter detailed settings. ViewSonic Corporation VT2430-1M Confidential - Do Not Copy...
  • Page 24 Advanced Selection, and use ◄ or ► to make your choice. Basic Selection: To set basic analog closed caption options. (CC1~CC4, TEXT1~TEXT4, Off) Advanced Selection: To select closed caption signal formats and set up caption modes for digital TV channels. (Service1~6, Off) ViewSonic Corporation VT2430-1M Confidential - Do Not Copy...
  • Page 25 3. Press ENTER or ▼ to enter Password. 4. Enter the password. (The default password is 0000) 5. Move to “System Lock”, and select “On” to enable the detailed settings. 6. Move to “US” or “Canada” rating system. ViewSonic Corporation VT2430-1M Confidential - Do Not Copy...
  • Page 26 PG-13 (recommended for children 14 years of age or older) R (mature audience) NC-17 (no one under 17 years of age) X (adult audience only) N/A (not applicable) 3. Press MENU to exit. ViewSonic Corporation VT2430-1M Confidential - Do Not Copy...
  • Page 27 8ans+ (children eight years and older) 13ans+ (not appropriate for children of less than 13 years) 16ans+ (not appropriate for children of less than 16 years) 18ans+ (reserved to adults) EXEMPT (exempt) 4. Press MENU to exit. ViewSonic Corporation VT2430-1M Confidential - Do Not Copy...
  • Page 28 4. Enter your new password again on “Confirm Password”. After you complete the last step, the screen will return to the top page of LOCK menu. If so, the password has been changed successfully. ViewSonic Corporation VT2430-1M Confidential - Do Not Copy...
  • Page 29 3. Press ENTER or ► to enter “OPTION” menu. 4. Press ▲ or ▼ to select “Restore Default”, then press ► to restore the factory default setting. 5. Select “Yes” and press ENTER to confirm the setting. ViewSonic Corporation VT2430-1M Confidential - Do Not Copy...
  • Page 30 "MENU" Lock & Un-lock: Pressing "CH+" and "CH-" from Front Panel Keys "POWER" Lock & Un-lock: Pressing "Vol+" and "MENU" from Front Panel Keys "BUTTON" Lock & Un-lock: Pressing "Vol+" and "Vol-" from Front Panel Keys ViewSonic Corporation VT2430-1M Confidential - Do Not Copy...

  • Page 31: Circuit Description

    RIN1P Analog Input Analog Red Input from Channel 1 24 BINM Analog Input Reference Ground for Analog Blue Input 25 BIN0P Analog Input Analog Blue Input from Channel 0 26 GINM Analog Input Reference Ground for Analog Green Input 27 ViewSonic Corporation VT2430-1M Confidential - Do Not Copy...
  • Page 32 AUOUTL0 Analog Output Main Audio Output Left Channel 0 76 AUOUTR0 Analog Output Main Audio Output Right Channel 0 77 AUCOM Analog Input Reference Ground for Audio Line Input 63 TS Input Interface ViewSonic Corporation VT2430-1M Confidential - Do Not Copy...
  • Page 33 GPIO97 I/O General Purpose Input/Output; 4mA driving strength 167 GPIO45/I2S_IN_BCK I/O General Purpose Input/Output; 4mA driving strength / Audio Bit Clock Input 104 GPIO44/I2S_IN_WS I/O General Purpose Input/Output; 4mA driving strength / Word Select Output; 4mA driving strength 103 ViewSonic Corporation VT2430-1M Confidential - Do Not Copy...
  • Page 34 DDCR_DA I/O w/ 5V-tolerant DDC Data for ROM 126 DDCR_CK I/O w/ 5V-tolerant DDC Clock for ROM 127 XIN Analog Input Crystal Oscillator Input 255 XOUT Analog Output Crystal Oscillator Output 254 Power Pins ViewSonic Corporation VT2430-1M Confidential - Do Not Copy...
  • Page 35 As with standard SDRAMs, the pipelined, multibank architecture of DDR SGRAMs allows for concurrent operation, thereby providing high effective bandwidth by hiding row precharge and activation time. ViewSonic Corporation VT2430-1M Confidential - Do Not Copy...
  • Page 36 It contains a 12-bit A/D converter and a PWM generator for automatic gain control. A host interface with an I2C bus is also included to control the behavior of the MSD809. ViewSonic Corporation VT2430-1M Confidential - Do Not Copy...
  • Page 37 Figure 4, Set Color bar to 100 IRE then move the cursor to the White Balance figure 5. Press “►” Key figure 6. That will do auto white balance. Finally change 16 gray scale must be claire in each grays. ViewSonic Corporation VT2430-1M Confidential - Do Not Copy...
  • Page 38 A.DVI MODE: Depend on the TIMING of TIMING TABLE (TABLE 3 ) to check MODE in order. B.HDMI MODE: make sure the 480i, 480p, 720p, 1080i,1080p TIMING is right. 6. OSD FUNCTION TEST Time:1920*1080@60Hz Pattern: 16*12 pane Make sure that Each FUNCTION has one right action. ViewSonic Corporation VT2430-1M Confidential - Do Not Copy...
  • Page 39 13.BURN IN Mode access methods Key Pad followed by pressing the "MENU" + "INPUT" 2 KEY, entered BURN IN mode 14.DCR function confirm In all source. (VT2430-1M model only) A. DCR turn ON. B. Input full white pattern then measure the luminance. For example Value A C.
  • Page 40 613.75 655.00 614 – 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 VT2430-1M Confidential - Do Not Copy...
  • Page 41 630 –636 631.25 635.75 677.00 336 – 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 VT2430-1M Confidential - Do Not Copy...
  • Page 42 DIGITAL CABLE TV Frequence Table (table 3) U.S.A Channel Frequency Assignments (Cable) unit:MHz. CH NO. DTV Center Freq CH NO. DTV Center Freq CH NO. DTV Center Freq ViewSonic Corporation VT2430-1M Confidential - Do Not Copy...
  • Page 43 (3). After all of FUNCTION TEST completed, we must erase all saved changes again and restore the factory defaults. DTV TEST ITEM CHANNEL FREQUENCY SOUND PETTEN CHECK CONTENT Dynamic 471.25MHz Picture picture 603.25MHz Color bar Color Dynamic 801.25MHz Sound and Picture picture ViewSonic Corporation VT2430-1M Confidential - Do Not Copy...
  • Page 44 LEVEL<45~85> dBu, regards as normally. TIMING TABLE (FACTORY PRESET MODE) (table 4) V-freq Resolution D-SUB DVI TO HDMI HDMI 1920x1080 1680x1050 59.8 1440x900 59.8 59.9 1280x1024 1024x768 832x624 800x600 640x480 720x400 ViewSonic Corporation VT2430-1M Confidential - Do Not Copy...
  • Page 45 5.4.2 Connection PC to the Tv set by the tool as the follow picture (pc1~pc3) Action: The D_SUB cable must be 15 pin, and the TV set must be AC ON pc.1 pc 2 pc 3 ViewSonic Corporation VT2430-1M Confidential - Do Not Copy...
  • Page 46 Press the “config” , if the the ISP board have been found ,you will see the picture as bellow. pc.4 Press the “Connect” ,If all the things are ok and ready, it will show the device type as the bellow picture. Than pres “確定” pc.5 ViewSonic Corporation VT2430-1M Confidential - Do Not Copy...
  • Page 47 6. Pull away the AC power Cord and the D-SUB Cable. And start another TV set. When we start another TV set with AC ON, we only need to press the “RUN” ViewSonic Corporation VT2430-1M Confidential - Do Not Copy...
  • Page 48 1. Every time after replacing the main board, you have to do the DDC key in. 2. If you find the DDC does not conform to the LCD TV, you have to do the DDC key in. 5.5.1 Equipment Needed - VT2430-1M LCD TV - DDC Card - PC...
  • Page 49 2. Barcode Reader connects with keyboard and PC keyboard port. 3. Connect DDC Card and VT2430-1M LCD TV with VGA Cable. (when key in DVI DDC information, use VGA transform to DVI port ) 4. Connect Power Cord to VT2430-1M LCD TV.
  • Page 50 2. Choose model number the 3. Press “ENTER” key. ViewSonic Corporation VT2430-1M Confidential - Do Not Copy...
  • Page 51 4. Press “F4” key and Input bar code ViewSonic Corporation VT2430-1M Confidential - Do Not Copy...
  • Page 52 5. Press “ENTER” key, then the successful picture is as follows. “DDC DOWNLOED OK! 6. Exit program. ViewSonic Corporation VT2430-1M Confidential - Do Not Copy...
  • Page 53 5.6 HDMI DDC Key In Procedure There are three EDID files for the different HDMI connectors. So you must be download the different EDID into each HDMI connector. 5.6.1 Equipment Needed - VT2430-1M LCD TV - PC - RS-232 cable - Barcode Reader...
  • Page 54 3. Connect DDC Card and VT2430-1M LCD TV with HDMI Cable. 4. Connect Power Cord to VT2430-1M LCD TV. 5.6.3 DDC Key In Procedure 1. Run DDC.exe 2. Choose model number then ViewSonic Corporation VT2430-1M Confidential - Do Not Copy...
  • Page 55 3. Press “ENTER” key. 4. Press “F4” key. ViewSonic Corporation VT2430-1M Confidential - Do Not Copy...
  • Page 56 5. Input bar code 6. Press “ENTER” key, then the successful picture is as follows. “DDC DOWNLOED 7. Exit program ViewSonic Corporation VT2430-1M Confidential - Do Not Copy...
  • Page 57 1.4 Place the LCD TV into the carton and put all the accessories into the carton. At last, close the carton and seal it with tape. (Figure 4) 1.User’s Guide 2..Guarant Card 3.Battery Power Cord Remote contrl Figure 3 Figure 4 ViewSonic Corporation VT2430-1M Confidential - Do Not Copy...
  • Page 58 PACKING PART LIST (VT2430-1M) ViewSonic Model Number: VS12335-1M Rev: Item ViewSonic P/N Ref. P/N Description Q'ty VT24301M monitor P-00008938 2013053000P POLYETHY BAG P-00009323 2012114500P POLYFOAM(R) 2012154600P POLYFOAM(L) P-00008947 2013222536P POLYETHY BAG 2001132017P CD-OWNER GUIDE 2002310787P GUARANT CARD A-00005362 2427130046P AC POWER CORD...
  • Page 59 Disassembly of Stand from LCD TV. 1.1 Unscrew 4 screws to move Stand Unit and Dust Cover . Stand Dust Cover 2. Disassembly of Rear Cover. 2.1 Unscrew 10 screws in the Rear Cover. ViewSonic Corporation VT2430-1M Confidential - Do Not Copy...
  • Page 60 2.2 Prize the rectangle hole on Rear Cover (Fig.1) with a screwdriver(Fig.2) to make the Rear Cover detach from the LCD TV. Fig.1 Fig.2 Rear Cover ViewSonic Corporation VT2430-1M Confidential - Do Not Copy...
  • Page 61 Disassembly of Main Board, Power Board, Front Cover and Panel Unit. 3.1. Unscrew 2 screws to remove Bracket fix. Bracket fix 3.2. Unscrew 9 screws to move Speaker and KeyPad Board . ViewSonic Corporation VT2430-1M Confidential - Do Not Copy...
  • Page 62 KeyPad Board Speaker 3.3. Unscrew screws 5 to move Shield Plate . Shield Plate 3.4. Unscrew 4 screws and disconnect the wires to remove Main Board. Front Cover ViewSonic Corporation VT2430-1M Confidential - Do Not Copy...
  • Page 63 3.5. Unscrew 4 screws and disconnect the wires to remove Main Board. Main Board 3.6. Unscrew 4 screws and disconnect the wires to remove Power Board. Power Board ViewSonic Corporation VT2430-1M Confidential - Do Not Copy...
  • Page 64 3.7. Unscrew screws 4 to move Panel Bracket . Panel Bracket ViewSonic Corporation VT2430-1M Confidential - Do Not Copy...

  • Page 65: Trouble Shooting Flow Chart

    DTV-VDD33 D807,I801,I801 I204,SUROUND CAP I202 BEAD OK? SUROUND CAP OK? CHECK CHECK VCC1V2-STOK? D807,I801,I801 I105,SUROUND CAP I206 BEAD OK? SUROUND CAP OK? CHECK CHECK PANEL 5V OK? Q105,Q106 I107 D807,I801,I801 SUROUND OK? ViewSonic Corporation VT2430-1M Confidential - Do Not Copy...
  • Page 66 Check Check Check Check YPbPr SOUCE YPbPr cable P504,SUROU I107,SUROUND R567, R570, R573 Check Check Check Check TV SOUCE RF CABLE I501TUNER L502 Check Check Check Check HDMI SOUCE HDMI P501SUROUN I502 ViewSonic Corporation VT2430-1M Confidential - Do Not Copy...

  • Page 67: Block Diagram

    7. Block Diagram MSD809(DEMO) LCD Module COMBO TUNER ATSC MSD2248AL HDMI Flash AV(CVBS) S_VIDEO DDRx2 YPbPr PC(D-Sub) AV/SV Audio(RCAx2) Speaker YPbPr Audio(RCAx2) (6Wx2) YAMAYA 148 PC Audio(mini jack) EAR PHONE TPA6113A2...

  • Page 68: Schematic Diagrams

    R130 4.7K/100R C170 100nF R131 4.7K Q105 R132 VCC5V-ST C169 MMBT3904 R141 NC/10uF/0805 R134 4.7K/100R R133 PANEL-ON/OFF-GPIO11 4.7K Q106 PANEL-ON/OFF-GPIO11 MMBT3904 R135 Q107 VCC5V-ST MMBT3904 R142 R136 POWER-ON/OFF-GPIO44 Q108 6.13 POWER-ON/OFF-GPIO44 MMBT3904 ViewSonic Corporation VT2430-1M Confidential - Do Not Copy...
  • Page 69 100nF 100nF 100nF 100nF 100nF VOUT C256 C255 C257 C258 100nF 100nF 10u/16V R252 220u/16V LESR 120R R253 DTV-VDD33 DTV-AVDD33_ADC L204 600R/1.5A 0805 Using power plane C246 C247 C245 100nF 100nF 10u/16V ViewSonic Corporation VT2430-1M Confidential - Do Not Copy...
  • Page 70 R511 ATV_CVBS Q501 NC/MMBT3904 Close to Mstar IC L501 R588 0R 0805 R512 C511 CVBS+ 100nF TV_IN+ TV_IN+ R513 C512 C513 R514 1K 0603 NC/680pF NC/330pF NC/75R R515 C514 100nF TV_IN- TV_IN- ViewSonic Corporation VT2430-1M Confidential - Do Not Copy...
  • Page 71 RXO3- Audio Block AU_DACO_1R AU_DACO_1R RXO3- RXO3- AU_DACO_0L RXO3+ AU_DACO_0L AU_DACO_0L RXO3+ RXO3+ AU_DACO_0R AU_DACO_0R AU_DACO_0R POWER-SAVING-GPIO98 POWER-SAVING-GPIO98 POWER-SAVING-GPIO98 5VAMP SHUT_DOWN_AU 5VAMP SHUT_DOWN_AU SHUT_DOWN_AU VCC5V-ST MUTE_S/GPIO124 VCC5V-ST MUTE_S/GPIO124 MUTE_S/GPIO124 POWER-ON/OFF-GPIO44 POWER-ON/OFF-GPIO44 POWER-ON/OFF-GPIO44 ViewSonic Corporation VT2430-1M Confidential - Do Not Copy...
  • Page 72 C316 R337 R339 24C04 100nF 4.7K 100R VCC5V-ST Q202 R295 , R309 ------ JEAN STD 10u/16V MMBT3906 R291 , R306 ------ CUSTOMER 24C04_I2C-SCL R312 100R R333 24C04_I2C-SDA R313 100R R334 R335 MDDR_VREF ViewSonic Corporation VT2430-1M Confidential - Do Not Copy...
  • Page 73 VSSQ VDDQ VSSQ VDDQ VSSQ VDDQ +2.6MVDD2 L216 2M X 16bit X 4BK Z=120ohm/0603 3A C202 Qimonda L0603 100uF/16V C209 C210 C343 C344 C345 C346 HYB25DC256163CE-4(16X16) 100nF 100nF 100nF 100nF 100nF 100nF ViewSonic Corporation VT2430-1M Confidential - Do Not Copy...
  • Page 74 D514 BAT54C R555 R556 VGA-TX R557 NC/100R VGA5V 100R 100R VGA-RX R559 NC/100R C520 I503 R558 100nF 24C21 R560 IIC make a difference for EDID and ISP 081014 VGA-VCLK VCLK VGA-SCL VGA-SDA ViewSonic Corporation VT2430-1M Confidential - Do Not Copy...
  • Page 75 330pF L503 R576 C538 3.3uH 0805 47nF 4.7P CVBS_IN CVBS1_IN CVBS1_IN 6 C548 C540 R583 1uF/0603 R577 C539 D520 330pF RC_AUL1 AUL1 AUL1 680pF C551 D524 C550 R585 560pF 4.7P 330pF 4.7P ViewSonic Corporation VT2430-1M Confidential - Do Not Copy...
  • Page 76 R532 HDMI-HPDIN 100nF R533 VCLK Q504 4.7K HPD_CTRL HPD_CTRL 6 MMBT3904 HDMI_SCL R534 100R HDMI-SCL HDMI_SDA R535 100R HDMI-SDA 100R R536 DDC_SCL DDC_SCL 6 24C22 SMD 100R R537 DDC_SDA DDC_SDA 6 R538 ViewSonic Corporation VT2430-1M Confidential - Do Not Copy...
  • Page 77 SHUT_DOWN_AU POWER-ON/OFF-GPIO44 POWER-ON/OFF-GPIO44 POWER-ON/OFF-GPIO44 MUTE_S/GPIO124 MUTE_S/GPIO124 6 MUTE_S/GPIO124 POWER-SAVING-GPIO98 POWER-SAVING-GPIO98 POWER-SAVING-GPIO98 VCC3.3V-ST 6,13 VCC3.3V-ST PHONE_R VCC3.3V-ST PHONE_R PHONE_L PHONE_L PHONE_DET PHONE_DET AU_DACO_1L AU_DACO_1L 6 AU_DACO_1L AU_DACO_1R AU_DACO_1R AU_DACO_1R 6 13-Audio Amp. Interface ViewSonic Corporation VT2430-1M Confidential - Do Not Copy...
  • Page 78 1: HEADPHONE MODE R601 5VAMP PHONE_DET 13 R735 10K R736 100R 5VAMP 2,13 R659 C653 C654 NC/10K 1uF/0603 Q606 100nF NC/MMBT3904 modify C653 footprint from C0805 to C0603 and add cap 1uF 080910 ViewSonic Corporation VT2430-1M Confidential - Do Not Copy...
  • Page 79 PHONE_R PHONE_R 1uF/0603 PHONE_L PHONE_L 5VAMP SHUTDOWN R648 Q601 MMBT3904 I602 TPA6113A2 MUTE_S/GPIO124 MUTE_S/GPIO124 R649 I602 foodprint from "SPDSO08" modify to "SO08" ; C642 cap value from 470n modify to 1uF 080901 ViewSonic Corporation VT2430-1M Confidential - Do Not Copy...
  • Page 80 8.13. LVDSx2 Panel CMO LVDS PANEL RXE3+ RXE3+ RXE3- RXE3- RXEC+ RXEC+ RXEC- RXEC- RXE2+ RXE2+ P106 RXE2- RXE2- RXE1+ RXE1+ RXO0- RXO0+ RXE1- RXE1- RXO1- RXO1+ RXE0+ RXE0+ RXO2- RXO2+ RXE0- RXE0- RXOC- RXOC+ RXO3- RXO3+ RXE0- RXO3+ RXO3+ RXE0+ RXO3- RXO3-...
  • Page 81 8.14. USB F501 2,3,4,8,10 +5V_General R314 NC/51K USB_OCD_N-GPIO123 +5V_General USB_OCD_N-GPIO123 NC/5V 0.75A R315 NC/100K L209 NC/80R 0805 6A C317 P205 NC/47u/16V NC/USB-A 2.2A R362 NC/5.1R VBUS USB_DM USB_DM USB_DP USB_DP R363 NC/5.1R SHELL I504 VCC5V-ST SHELL I/03 I/02 VCC5V-ST 6,13,15 C318 I/04 I/01...
  • Page 82 C957 C953 C925 R976 D915 C956 C959 D914 C954 D913 D907 C941 220K R959 Q907 330K BAV99/SOT 2N7002/SOT23 BAV99/SOT BAV99/SOT C952 C951 C960 BAV99/SOT C939 C961 Q906 2N7002/SOT23 R977 270 C942 Z905 ViewSonic Corporation VT2430-1M Confidential - Do Not Copy...
  • Page 83 100K T2.5AH/250V TLP621 R863 Q802 R816 1K 1% R831 2SC945P C802 R828 C827 82K 1% 100pF I803 R825 C803 10UF/50V TL431D 1.3K 1% 100pF R858 R866 R851 1.1K/1% S801 AC IN 100~240V ViewSonic Corporation VT2430-1M Confidential - Do Not Copy...

  • Page 84: Pcb Layout Diagrams

    9. PCB Layout Diagrams 9.1. MAIN PCB TOP VIEW ViewSonic Corporation VT2430-1M Confidential - Do Not Copy...
  • Page 85 9.2. MAIN PCB BOTTOM VIEW ViewSonic Corporation VT2430-1M Confidential - Do Not Copy...
  • Page 86 9.3. CON PCB TOP VIEW...
  • Page 87 9.4. CON PCB BOTTOM VIEW...
  • Page 88 9.5. POWER PCB TOP VIEW ViewSonic Corporation VT2430-1M Confidential - Do Not Copy...
  • Page 89 9.6. POWER PCB BOTTOM VIEW ViewSonic Corporation VT2430-1M Confidential - Do Not Copy...

  • Page 90: Exploded View And Exploded Parts List

    10. Exploded View And Exploded Parts List ViewSonic Corporation VT2430-1M Confidential - Do Not Copy...
  • Page 91 ViewSonic Corporation VT2430-1M Confidential - Do Not Copy...
  • Page 92 Exploded Parts List ( VT2430-1M ) ViewSonic Model Number: VS12335-1M Rev: 1a Item ViewSonic P/N Ref. P/N Description Q'ty 2024285401P FRONT BEZEL VT2430 ABS 94HB G.L BLACK C 2053760201P LED INDIC.-PWR N2430P UT0520T COLOR T57015 2033154000P IR COVER N2430P PC GE-121R-21051...

  • Page 93: Recommend Spare Parts List

    Remark 2: All revised RSPLs with newly added items or any change made should be highlighted and correlated with the ECN/ECR approved by ViewSonic Corporation. This is to eliminate repeated cross checks of each item between this version and prior versions.
  • Page 94 BOM LIST ( VT2430-1M ) ViewSonic Model Number: VS12335-1M Rev: 1a Item ViewSonic P/N Ref. P/N Description Location Universal number# Q'ty B-00009346 6202-7024166111 PCB ASS'Y BLOCK (CON) B-00009347 6204-7024166111 PCB ASS'Y BLOCK (POWER) 2434420400P AL SHIELDING TAPE W40*L40 AL CB-00008888...
  • Page 95 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 VT2430-1M Confidential - Do Not Copy...

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