ViewSonic VP2650WB - 26" LCD Monitor User Manual Download

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ViewSonic VP2650WB-1

Model No. VS11997

26” Color TFT LCD Display

(VP2650wb-1_SM Rev. 1b May. 2008)

ViewSonic 381 Brea Canyon Road, Walnut, California 91789 USA - (800) 888-8583

Service Manual

Summary of Contents for VP2650WB - 26" LCD Monitor

Page 1: ...ViewSonic VP2650WB 1 Model No VS11997 26 Color TFT LCD Display VP2650wb 1_SM Rev 1b May 2008 ViewSonic 381 Brea Canyon Road Walnut California 91789 USA 800 888 8583 Service Manual ...

Page 2: ...antability or fitness for 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 All other tr...

Page 3: ... Notices 1 2 Specification 4 3 Front Panel Function Control Description 15 4 Circuit Description 21 5 Adjusting Procedure 27 6 Trouble Shooting Flow Chart 50 7 Block Diagrams 56 8 Schematic Diagrams 57 9 PCB Layout Diagrams 73 10 Exploded Diagram And Spare Parts List 77 11 Recommended Spare Parts List 80 ...

Page 4: ...n ammonia based cleaner onto the cloth not directly onto the glass screen Do not place heavy objects on the monitor or power cord Safety Notices 1 Make sure your working environment is dry and clean and meets all government safety requirements 2 Ensure that other persons are safe while you are servicing the product 3 DO NOT perform any action that may cause a hazard to the customer or make the pro...

Page 5: ...orrect Methods Only touch the metal frame of the LCD panel 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 ...

Page 6: ...orrect Methods 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 Place the monitor on the lap the panel surface must be upwards The panel is placed facedown on the lap That may cause Mura ...

Page 7: ...tal x1 Sync Compatibility Separate Sync Composite Sync SOG Adapter Internal Power Board Power Cable Refer to APPENDIX B Yes 15 pin mini D SUB Analog Cable 1 8 m black with PC 2001 and Hot Plug Detect DDC Detached cable refer the Appendix A Yes DVI D Cable 1 8m black with PC 2001 refer to Appendix A Yes Audio Cable 1 8m black with PC 2001 No MIC Cable 1 8m black with PC 2001 No USB Cable V2 0 1 8m ...

Page 8: ...r left front and right front foot Service Insert Refer to Segment 5 9 3 For Region code M units only Vista Installation Guide Flyer Refer to Segment 5 9 1 Yes Energy Star Sticker Refer to F8 2 Yes POP Sticker Refer to Segment 5 8 3 Yes Warranty Card For Region code G units only Warranty Carton Sticker refer to F8 1 For Region code G units only PE bag of Carton For Region code G units only ...

Page 9: ...al Maximum PC Video Signal 950 mV with no damage to monitor Maximum Mac Video Signal 1250 mV with no damage to monitor Sync Signals TTL DDC 2B Compliant with version 1 3 The DDC communication shall not interrupt when power off DDC CI Compliant with Revision 1 1 The DDC communication shall not interrupt when power off Digital link protection HDCP Sync Compatibility Separate Sync Composite Sync SOG ...

Page 10: ...ViewSonic Corporation Confidential Do Not Copy VP2650wb 1 7 Display mode USB Hub On On Power Saving On Off Off Compatibility USB 2 0 certified ...

Page 11: ...re Power Supply Transient Immunity Shall be able to withstand an ANSI IEEE C62 41 1980 6000V 200 ampere ring wave transient test with no damage Power Supply Line Surge Immunity Shall be able to withstand 1KV L L and 2KV L PE Refer to EN55024 1998 CISPR24 1997 IEC1000 4 5 1995 EN61000 4 5 1995 Power Supply Missing Cycle Immunity Shall be able to function properly without reset or visible screen art...

Page 12: ...KHz DMT For Separate Composite and SOG the image vertical size image will be not full screen Still at the center And the OSD will be 640x400 720x400 promary 640x400 640 x 480 50 Hz 24 7 KHz CVT 640 x 480 60 Hz 31 5 KHz DMT For SOG sync switch 640x400 60Hz and 640x480 60Hz by 1 2 short cut key primary 640x480 60Hz 640 x 480 67 Hz 35 KHz For MAC 640 x 480 72 Hz 37 9 KHz DMT 640 x 480 75 Hz 37 5 KHz ...

Page 13: ...x 768 75 Hz 60 2 KHz For MAC 1024 x 768 85 Hz 68 7 KHz DMT 1152 x 864 75 Hz 67 5 KHz DMT 1152 x 870 75 Hz 68 7 KHz For MAC 1152 x 900 67 Hz 62 5 KHz For SUN 1280 x 720 50 Hz 37 5 KHz DTV 720p 1280 x 720 60 Hz 45 KHz DTV 720p 1280 x 768 50 Hz 39 6 KHz CVT 1280 x 768 60 Hz 47 4 KHz DMT 1280 x 768 60 Hz 47 8 KHz DMT For Composite and SOG Switch 1280x768 60Hz and 1360x768 60Hz by 1 2 short cut key pri...

Page 14: ...lways full screen 1920x1080 50 Hz 28 1 KHz 1 DTV 1080i 2 No scaling function always full screen 3 Cause of interlace signal the image might be flicker 1920x1080 50 Hz 56 25 KHz 1 DTV 1080p 2 No scaling function always full screen 1920x1080 60 Hz 33 7 KHz 1 DTV 1080i 2 No scaling function always full screen 3 Cause of interlace signal the image might be flicker 1920x1080 60 Hz 67 5 KHz 1 DTV 1080p ...

Page 15: ...ty 3 seconds Max excluding Auto Adjust time It should recall factory setting when execute Auto Image Adjust function by following conditions 1 Memory recall under DOS mode 640 x 350 720 x 400 640 x 400 2 New timing mode detected under DOS mode 640 x 350 720 x 400 640 x 400 The monitor needs to do Auto Adjust the first time a new mode is detected see section 0 Touch Function Actions While running C...

Page 16: ...DCR off 1000 1 Typ 800 1 Min Color Depth 16 7 million colors RGB 6 bit Hi FRC Color Space NTSC 100 CIE1931 NTSC 110 CIE1976 Horizontal Viewing Angle 160 degrees Typ 140 degrees Min CR 10 Vertical Viewing Angle 160 degrees Typ 140 degrees Min CR 10 Response Time Test conditions 10 90 Ta 25 C Digital input Contrast Default Brightness Default User Color R G B 100 On Off Raise Fall 5ms typ 8ms max GTG...

Page 17: ...30 31 30 30 30 30 31 0A 00 00 00 FD 00 32 55 18 5C 14 00 0A 20 20 20 20 20 20 00 00 00 FC 00 56 50 32 36 35 30 77 62 0A 20 20 20 20 00 52 VP2650wb_DVI ddc 00 FF FF FF FF FF FF 00 5A 63 20 EB 01 01 01 01 01 12 01 03 80 37 22 78 2E 70 25 AB 51 36 B3 24 10 50 54 BF EF 80 31 0A B3 00 A9 40 90 40 81 80 81 40 71 4F 31 59 28 3C 80 A0 70 B0 23 40 30 20 36 00 26 58 21 00 00 1A 00 00 00 FF 00 51 56 30 30 38...

Page 18: ...ough menu options and adjusts the displayed control Also a shortcut to display the Contrast adjustment control screen Displays the control screen for the highlighted control Also toggles between two controls on some screens Also a shortcut to toggle analog and digital connection Power light Blue ON Orange Power Saving Standby Power On Off Displays the Main Menu or exits the control screen and save...

Page 19: ... the control press the up S or down T buttons 5 To save the adjustments and exit the menu press button 1 twice The following tips may help you optimize your display Adjust the computer s graphics card so that it outputs a 1920 x 1200 60Hz video signal to the LCD display Look for instructions on changing the refresh rate in the graphics card s user guide If necessary make small adjustments using H ...

Page 20: ...ess adjusts background black level of the screen image Input Select toggles between inputs if you have more than one computer connected to the LCD Display Color Adjust provides several color adjustment modes including preset color temperatures and a User Color mode which allows independent adjustment of red R green G and blue B The factory setting for this product is 6500K 6500 Kelvin sRGB This is...

Page 21: ...in Menu when the product is set to a Preset Timing Mode colors return to the 6500K factory preset Information displays the timing mode video signal input coming from the graphics card in the computer the LCD model number the serial number and the ViewSonic website URL See your graphics card s user guide for instructions on changing the resolution and refresh rate vertical frequency NOTE VESA 1920 ...

Page 22: ...rity and focus of the screen image Dynamic Contrast allows the user to turn the contrast ratio enhancement on or off Aspect ratio Selects the image size for 1 1 fill aspect ratio full screen Display Mode provides two color space modes The factory setting for this product is PC mode PC mode sets color space to RGB for PC timing mode HD mode sets color space to YUV for HD timing mode Setup Menu disp...

Page 23: ...ll returns the adjustments back to factory settings if the display is operating in a factory Preset Timing Mode listed in the Specifications of this manual Exception This control does not affect changes made with the Language Select or Power Lock setting OSD and Power Lock Settings OSD Lock Press and hold 1 and the up arrow S for 10 seconds If any buttons are pressed the message OSD Locked will di...

Page 24: ...MODULE DRIVING Block Digital D Analog D SUB EEPROM HDCP DSUB R G B HS VS Analog DDC Digital DDC Diff Data Clock SDRAM OSD Pivot USB BD CTRL BD a Circuit operations In analog signal input to scaling IC the operation theory is to convert the analog signals of Red Green and Blue to the digital signals of Red Green and Blue The scaling IC has the internal A D converter that converts analog signals to ...

Page 25: ...that makes it an attractive solution for low cost MFM and TV applications The output section contains a 24 bit TTL output interface and a dual channel LVDS transmitter for direct interfacing of commercially available LVDS LCD panel modules In addition GM5862H includes an integrated X86 OCM with SPI compatible interface advanced color control features a multicolor proportional font OSD engine and a...

Page 26: ...t to provide voltage feedback Pin 2 is the output of amplifier A feedback compensation network is placed between this pin and the Pin 1 Pin 3 is the input of the multiplier stage R657 R658 R659 are resistive divider and are connected to this pin the rectified mains A voltage signal proportional to the rectifed mains appears on this pin Pin 4 is the input to the comparator of the control loop The c...

Page 27: ... D652 YG971S6R A K A 4 PWM circuit introduction IC601 NCP1203 is the PWM control IC to get stable DC output It can transfer high DC voltage at primary to low DC voltage at secondary Pin 1 lets user adjutst the lavel at which the cycle skipping process takes place Shorting this pin to ground permanently disables the skip cycle feature Pin 2 is connected to optocoupler the peak current setpoint is a...

Page 28: ...IC702 KA431AZTA_NL A K R R608 1M F C610 1000P K C609 1000P K R713 10K L611 Z45 100MHZ R614 18K R610 18K C716 0 1U K IC602 PC123FY1J00F 1 2 4 3 R712 2K T601 540UH 2 3 7 9 1 5 8 10 D602 EGP10D LF A K A11 N5 A12 D601 UF4007 LF A K R714 1K J R716 28K F R715 2 61K F A 5 Buck Converter MCU USB Audio Panel Power section Fig A Fig A shows the typical Buck Converter circuit Q2 s a switching device and Q1 Q...

Page 29: ...e comparators under voltage lockout circuitry and dual common emitter output transistor circuits The uncommitted output transistors provide common emitter output capability for each controller The internal amplifiers exhibit a common mode voltage range from 1 04V to 1 45V The dead time control comparator has no offset unless externally altered and can provide 0 to 100 dead time The on chip oscilla...

Page 30: ...and Burn in mode ON 4 Turn off the monitor remove the input source and then power on again 5 Setup unit and keep it warm up for at least 30 minutes B Geometry adjustment checking for preset timing modes 1 Enter factory mode first press 2 and then press button to turn on monitor 2 Run Clear User to erase user settings 3 Select timing mode from Figure 1 and input full screen display pattern to monit...

Page 31: ...factory mode first press 2 and then press button to turn on monitor 3 Setup color at User color and Burn in mode ON 4 Make sure ADC calibration auto color balance adjustment had already been done 5 First measure every Monitor native color temp Luminance at Brightness and Contrast 100 100 condition so that other color temp luminance can adjust by below condition Lv Max Condition Brightness 100 Cont...

Page 32: ... 0 313 0 008 Color temperature C3 sRGB set on OSD y 0 329 0 008 x 0 345 0 008 Color temperature C4 5000K set on OSD y 0 362 0 008 Move cursor into Clear User tag and run to disable burn in mode 3 Turns off the monitor power Preset Color Temperatures sRGB It should meet IEC 61966 2 1 1999 10 standard Preset 1 CCT typ 9300K u CCT 0 1888 v CCT 0 4457 Δu v 0 01 Full White pattern Preset 2 CCT typ 7500...

Page 33: ...pical CR s E Writing EDID data into monitor 1 Setup a PC with DDC card 2 Connect PC to monitor with a D sub signal cable 3 Please refer to the C212 for the correct EDID file 4 Runs the writing program to write the analog EDID data into EEPROM for analog input ie 15 pin D sub 5 Repeat step 4 and write the digital EDID data into EEPROM for DVI D input ie 24 pin DVI D 6 Repeat step 4 and write the HD...

Page 34: ...ly EDID analog if dual inputs address 0A Read s Brightness data C3 9C XX cksum Set brightness default of PWM may not match OSD Note H Write C1 Bluish R Gain Data to EEPROM AA 3C Data cksum Write C1 Bluish G Gain Data to EEPROM AA 3D Data cksum Write C1 Bluish B Gain Data to EEPROM AA 3E Data cksum Write C2 sRGB R Gain Data to EEPROM AA 4C Data cksum Write C2 sRGB G Gain Data to EEPROM AA 4D Data c...

Page 35: ...PROM brightness default AA 9C Data cksum X Set brightness default of PWM may not match OSD Note H Write OSD Transparency to EEPROM AA 9E Data cksum X Write OSD Rotation to EEPROM AA 9F Data cksum X Write URL setting to EEPROM AA A0 Data cksum Range 0 2 Others Impermissible Write OSD OSM setting to EEPROM AA A1 Data cksum 0 OSD 1 OSM Others Impermissible Write First Auto setting to EEPROM AA A2 Dat...

Page 36: ...Read Volume from EEPROM A3 99 XX cksum Read Gamma index from EEPROM A3 9A XX cksum For model with Gamma curve selection function 0 By pass 1 Enable Read EEPROM brightness default A3 9C XX cksum Set brightness default of PWM may not match OSD Note H Read OSD Transparency from EEPROM A3 9E XX cksum Read OSD Rotation from EEPROM A3 9F XX cksum Read URL setting from EEPROM A3 A0 XX cksum Range 0 2 Rea...

Page 37: ...m For debug only Read ADC G Offset1 Low byte AE 14 Data cksum For debug only Read ADC B Offset1 Low byte AE 15 Data cksum For debug only Read ADC R Offset1 High byte AE 16 Data cksum For debug only Read ADC G Offset1 High byte AE 17 Data cksum For debug only Read ADC B Offset1 High byte AE 18 Data cksum For debug only Read ADC R Offset2 Low byte AE 23 Data cksum For debug only Read ADC G Offset2 L...

Page 38: ...OM directly Read EEPROM Bank 0 B0 Addr ess XX cksum Read EEPROM Bank 1 B1 Addr ess XX cksum Read EEPROM Bank 2 B2 Addr ess XX cksum For 24C08 type Read EEPROM Bank 3 B3 Addr ess XX cksum For 24C08 type Read EEPROM Bank 4 B4 Addr ess XX cksum For 24C16 type Read EEPROM Bank 5 B5 Addr ess XX cksum For 24C16 type Read EEPROM Bank 6 B6 Addr ess XX cksum For 24C16 type HDCP key area Read EEPROM Bank 7 ...

Page 39: ...yte3 data FC If normal return code is exact FCh FC CF Note E DDC CI command IIC command Command code for DDC CI mode change to IIC alignment mode Byte1 Byte2 Byte3 Byte4 Byte5 Byte6 Byte7 Byte8 0x6E 0x51 0x84 0x03 0xff 0x00 0x00 checksum Description 1 For DDC CI supported model its default IIC slave address is set to 0x6E not 0x7C So the above command words must be issued before doing IIC alignmen...

Page 40: ... System Setup Position the CATC UHT box on the test bench near the USB hub to be evaluated Connect the DC plug of the AC to 5V DC 1000mA power converter to the 5V power receptacle of the CATC UHT box To activate the unit plug the AC to DC converter into an appropriate AC power outlet In the USB test system connect the CATC UHT box as follow 1 Connect a USB cable between the upstream port of the US...

Page 41: ...ViewSonic Corporation Confidential Do Not Copy VP2650wb 1 38 4 Wire Dressing Step 1 Step2 Step 3 ...

Page 42: ...ViewSonic Corporation Confidential Do Not Copy VP2650wb 1 39 Step4 Step 5 Step 6 ...

Page 43: ...ViewSonic Corporation Confidential Do Not Copy VP2650wb 1 40 Step 7 Step 8 Step 9 ...

Page 44: ...ViewSonic Corporation Confidential Do Not Copy VP2650wb 1 41 Step 10 Step 11 ...

Page 45: ...ViewSonic Corporation Confidential Do Not Copy VP2650wb 1 42 5 Add Glue C605 L609 6 Touch up N A for VP2650W ...

Page 46: ... Confidential Do Not Copy VP2650wb 1 43 2 Firmware updated methods ISP Firmware update process of Viewsonic model VP2650wb Genesis solution 1 Connect LPT port and input VGA signal from PC or source and output VGA to monitor ...

Page 47: ...nfidential Do Not Copy VP2650wb 1 44 2 Install SW Gprobe5 3 and open the SW 3 Copy the file ViewSonic2250 hex isptemp_spi_V14 hex reset_stack_V11 hex write7 txt into c temp 4 isptemp_spi_V14 hex reset_stack_V11 hex write7 txt ...

Page 48: ...ViewSonic Corporation Confidential Do Not Copy VP2650wb 1 45 5 Select Connect setting in Gprobe and choose Parallel 6 Monitor AC power turn off ...

Page 49: ...ViewSonic Corporation Confidential Do Not Copy VP2650wb 1 46 7 Run the batch file press Execute and turn on AC power in 2 sec ...

Page 50: ...ViewSonic Corporation Confidential Do Not Copy VP2650wb 1 47 8 The batch file will run and it will show when the progress finish ...

Page 51: ...ViewSonic Corporation Confidential Do Not Copy VP2650wb 1 48 4 Packing procedure ...

Page 52: ...6 CB 00008461 5K L2H06 511 D SUB CABLE 1 7 CB 00008521 5K L1E03 501 USB CABLE 1 8 CB 00008460 5K 05406 501 DVI D CABLE 1 9 P 00008932 4G 0DV03 001 CSN TOP 1 10 P 00008933 4G 0DV04 001 CSN BTM 1 11 N A 4B 03V04 012 PE bag Base 1 12 P 00008820 4B 0D708 001 PE bag Monitor 1 13 N A 4B 0DV02 001 PE bag Carton only for China 1 14 DC 00008721 4E 0AB02 001 WARRANTY STICKER only for China 1 15 N A 4D 0DV01...

Page 53: ...ViewSonic Corporation Confidential Do Not Copy VP2650wb 1 50 6 Troubleshooting Flow Chart ...

Page 54: ...ViewSonic Corporation Confidential Do Not Copy VP2650wb 1 51 ...

Page 55: ...ViewSonic Corporation Confidential Do Not Copy VP2650wb 1 52 ...

Page 56: ...ViewSonic Corporation Confidential Do Not Copy VP2650wb 1 53 5 Power no work troubleshooting ...

Page 57: ...ViewSonic Corporation Confidential Do Not Copy VP2650wb 1 54 Power no PFC troubleshooting ...

Page 58: ...ViewSonic Corporation Confidential Do Not Copy VP2650wb 1 55 6 Transmitter Board ...

Page 59: ...r board includes AC DC DC DC BD and a control board and an interface board and a USB board The block diagram is shown as below CPT TFT LCD module with 6 CCFL tubes Genesis Gm5862H LVDS Transmitter EEPROM 24C16 MCU Flash ROM Control Board D Sub AC Switch AC IN DVI 0x600 0x6F0 HDCP area A DDC D DDC SDRAMx2 OSD Pivot o USB BD 1 UP 4 Down Include One DC DC Circuit 24V to 5V for USB 1 UP 4 DN Inverter ...

Page 60: ...2 SS24 LF A K C508 0 1U K IC501 L4978 FB 8 Comp 7 Boot 6 Vcc 5 GND 1 SS_INH 2 OSC 3 OUT 4 TP501 C501 0 01U K TP502 C503 0 1U K C502 1000P K TP503 CN501 2K61185103 1 1 2 2 3 3 C507 470U 35V 1 2 C509 0 1U K C504 2200P J Q501 2N3904S B E C C506 220P J R506 1K J R505 10K D501 SS24 LF A K R503 11 8K F R501 18K F 57 Model Title Date Rev ViewSonic Corporation ...

Page 61: ...ND 6 CS 4 INV 1 GD 7 ZCD 5 IC652 PC123FY1J00F 1 2 4 3 ZD652 TZMC24 A K C604 3300P M spark_gap12 2 2 1 1 R665 47 TP601 F601 250V 4A Q653 2N7002K T1 E3 D G S R664 3 01K F R669 1K J HSink GC1 3D05402001 1 G1 R675 10K C603 3300P M Q654 2N3906S C E B TP604 L609 300U BD601 GSIB4A60 LF 3 1 2 4 spark_gap4 2 2 1 1 TP603 spark_gap1 2 2 1 1 L602 4 6MH 1 4 2 3 R678 10K CN601 L 1 G 2 N 3 G 4 G 5 R666 22 6K F C...

Page 62: ...605 LL4148 A K TP762 R620 10K R611 150 J TP766 L612 Z45 100MHZ HSink HS4 3DL2K07001 1 G1 2 G2 R705 33 TP765 TP706 R617 10K J D606 ES1D A K D604 LL4148 A K C615 3300P M C607 0 001U J R706 33 TP701 TP768 C609 1000P K T601 540UH 2 3 7 9 1 5 8 10 TP708 C612 0 1U K R613 1 K J TP711 IC602 PC123FY1J00F 1 2 4 3 R622 10K R713 1 0K D609 RSX101VA 30 A K TP702 R716 28K F TP767 D603 LL4148 A K C711 470U 35V 1 ...

Page 63: ...les H1 HOLE V8 1 2 3 4 5 6 7 8 9 OP OP2 OP OP6 OP OP4 OP OP5 H2 HOLE V8 1 2 3 4 5 6 7 8 9 OP OP7 OP OP3 OP OP1 ViewSonic Corporation Confidential Do Not Copy VP2650wb 1 60 Model Title Date Rev ViewSonic Corporation SCREW HOLE ...

Page 64: ... RT 2 1IN 3 1IN 4 1FBK 5 1DTC 6 1OUT 7 GND 8 VCC 9 2OUT 10 2DTC 11 2FBK 12 2IN 13 2IN 14 SCP 15 RFF 16 TP19 R26 10K F R10 10K TP3 TP5 R12 NC R5 3 01K F TP23 C14 Spec 220U 35V M 1 2 Q5 2N3904S B E C R1 100 C17 1U Z R4 75K C5 Spec 220U 25V 1 2 TP33 Q6 2SJ598 AZ D G S TP29 R13 15K C18 0 22U K TP13 TP36 TP9 R17 3 3K TP2 TP26 C2 0 1U K R20 1 69K F C20 100P J R8 2 2K C10 0 1U K C21 6800P K C19 680P J R1...

Page 65: ...R3 100K F TP5 SW4 6B40100021 1 1 2 2 3 3 4 4 R2 51K OP OP3 Blue Yellow LED2 BLU YEL 1 2 4 3 SW2 6B40100021 1 1 2 2 3 3 4 4 TP4 R1 100K F C2 0 1U K SW3 6B40100021 1 1 2 2 3 3 4 4 SW1 6B40100021 1 1 2 2 3 3 4 4 TP3 OP OP4 TP2 J1 2KK2088007 1 2 3 4 5 6 7 ViewSonic Corporation Confidential Do Not Copy VP2650wb 1 62 Model Title Date Rev ViewSonic Corporation CONTROL CIRCUIT ...

Page 66: ...OP4 OP OP5 H3 HOLE V8 1 2 3 4 5 6 7 8 9 OP OP7 B1 B1 H2 HOLE V8 1 2 3 4 5 6 7 8 9 H1 HOLE V8 1 2 3 4 5 6 7 8 9 B2 B2 OP OP3 OP OP1 ViewSonic Corporation Confidential Do Not Copy VP2650wb 1 63 Model Title Date Rev ViewSonic Corporation SCREW HOLES ...

Page 67: ...2650 2007 11 02 New add R108 for AC in backlight flash TP2 J1 2K61185112 1 2 3 4 5 6 7 8 9 10 11 12 TP6 TP3 TP4 C7 0 1U K C1 0 1U K L14 Z600 TP1 R108 10K R2 100 TP10 L18 Z120 C4 47U 25V 1 2 C6 47U 25V 1 2 L19 Z600 L15 Z600 C5 0 1U K L16 Z600 C115 0 1U K L17 Z120 C3 0 1U K TP79 ViewSonic Corporation Confidential Do Not Copy VP2650wb 1 64 Model Title Date Rev ViewSonic Corporation 5V 3 3V 24_12 5V ...

Page 68: ...D7 BZV55C6V2 A K C11 0 1U K C14 0 1U K C27 47P J DN5 BAV70 A1 J A2 R33 10 TP17 R23 10K R32 4 7K R17 20 L2 Z31 DN10 BAV99 A J K TP26 R5 10 J C10 0 1U K R14 10 J D 3 BZV55C6V2 A K U 1 AT24C02N 10SU 1 8 A0 1 A1 2 A2 3 GND 4 VCC 8 WP 7 SCL 6 SDA 5 R7 15K C15 0 1U K R20 10K R22 10K TP15 R16 20 R24 100 R34 10 TP33 DN14 BAV99 A J K R35 10 Z D2 BZV55C6V2 A K R10 470 L3 Z31 C9 0 1U K R12 100 TP22 R 4 N C T...

Page 69: ...G3 97 CLKP_LV_O G4 98 CLKN_LV_O G5 99 CH2P_LV_O G6 100 CH2N_LV_O G7 101 CH1P_LV_O B0 102 CH1N_LV_O B1 103 CH0P_LV_O B2 104 CH0N_LV_O B3 105 AVSS_OUT_LV 106 AVDD_OUT_LV_33 107 GPIO_10 B4 108 GPIO_11 B5 109 GPIO_12 B6 110 GPIO_13 B7 111 CRVSS 112 CVDD_18 113 RVDD_33 114 GPIO_14 DCLK 115 GPIO_15 DEN 116 GPIO_16 DHS 117 GPIO_17 DVS 118 GPIO_18 SCL_0 2W_MST 119 GPIO_19 SDA_0 2W_MST 120 GPIO_20 SCL_1 2W...

Page 70: ...P67 TP65 R95 1K R68 220 R96 NC C85 0 1U K R80 10K Q9 2N3904S B E C R99 10K R70 220 TP63 ZD7 BZV55C6V2 A K L12 30 OHM R69 2 2K R71 10K TP61 C93 0 01U K J6 2K61185110 1 1 2 2 3 3 4 4 5 5 6 6 7 7 8 8 9 9 10 10 C117 0 1U K R72 100K Q3 2N3906S C E B C88 0 1U K R103 2 2K C116 0 1U K Q8 2N3904S B E C C94 0 1U K R73 1K TP80 R75 NC ZD3 BZV55C6V2 A K L11 30 OHM R94 100K R102 10K C87 0 1U K R74 2 2K TP64 Vie...

Page 71: ... 29 MA7 30 MA8 31 MA9 32 N C 33 CKE 34 CLK 35 UDQM 36 N C RFU 37 VDDQ 38 DQ8 39 DQ9 40 VSSQ 47 DQ10 42 DQ11 43 VDDQ 44 DQ12 45 DQ13 46 VSSQ 41 DQ14 48 DQ15 49 MA2 23 VSS 26 U10 EM636165TS 5G VDD 25 DQ0 2 DQ1 3 VSSQ 10 DQ2 5 DQ3 6 VDDQ 13 DQ4 8 DQ5 9 VSSQ 4 DQ6 11 DQ7 12 VDDQ 7 LDQM 14 WE 15 CAS 16 RAS 17 CS 18 BA 19 MA10 20 MA0 21 MA1 22 MA3 24 VDD 1 VSS 50 MA4 27 MA5 28 MA6 29 MA7 30 MA8 31 MA9 3...

Page 72: ...e From AO3401L to AO4411L for VP2650 model 2007 07 24 Q7 2N3904S B E C R85 20K J R84 100K R86 10K C110 22U 25V 1 2 Q6 AO4411L 2 4 7 3 1 6 5 8 C113 0 1U K C112 10U Z R97 OPEN ViewSonic Corporation Confidential Do Not Copy VP2650wb 1 69 Model Title Date Rev ViewSonic Corporation PANEL POWER ...

Page 73: ...03C update 7D 01117 M3C 2007 07 23 New add L8 L13 and C46 C51 for EMI solution by VP2650 LP0 VP2250wb LP2 OP OP7 H2 HOLE V8 1 2 3 4 5 6 7 8 9 H1 HOLE V8 1 2 3 4 5 6 7 8 9 OP OP3 OP OP1 OP OP6 OP OP2 OP OP4 OP OP5 ViewSonic Corporation Confidential Do Not Copy VP2650wb 1 70 Model Title Date Rev ViewSonic Corporation SCREW HOLE ...

Page 74: ... 4 5 5 6 6 7 7 8 8 9 9 U1 T L 1 451ACNS CT 1 RT 2 1IN 3 1IN 4 1FBK 5 1DTC 6 1OUT 7 GND 8 VCC 9 2OUT 10 2DTC 11 2FBK 12 2IN 13 2IN 14 SCP 15 RFF 16 L 10 Z600 J 1 2KK2087007 1 2 3 4 5 6 7 G1 G2 TP30 TP32 Q 2 2 S J598 AZ D G S L8 Z600 R 1 2 NC R6 3 01KF Q 1 2 N3 904S B E C R 1 1 2 7K R8 15K R5 2 NC R5 1 20K J C1 1 U Z TP25 TP38 C3 S pec 2 2 0 U 35V M 1 2 L 11 Z600 C 4 7 3 3 0P K R9 47K Q 3 2 N3906S C...

Page 75: ...GND 8 G3 G3 G4 G4 TP4 R21 10K C38 0 1U K F1 5V 0 75A U4 AT93C46 10SU 2 7 DI 3 SK 2 CS 1 DO 4 VCC 8 GND 5 ORG 6 DC 7 R43 0 T1 Z90 1 4 2 3 C36 0 1U K F3 5V 0 75A C21 0 1U K C11 0 1U K R37 1M C40 0 1U K L3 Z220 TP15 R31 0 C31 0 1U K TP12 L4 Z30 DN9 BAV99 A J K DN3 BAV99 A J K L6 Z220 L2 Z220 TP14 R38 N C C17 10U 16V R28 0 TP19 J 4 2B12218B51 VCC 1 DATA 2 DATA 3 GND 4 G2 G2 G1 G1 R19 100K R32 15K C41 ...

Page 76: ...9 PCB Layout Diagrams ViewSonic Corporation Confidential Do Not Copy VP2650wb 1 73 ...

Page 77: ...ViewSonic Corporation Confidential Do Not Copy VP2650wb 1 74 ...

Page 78: ...ViewSonic Corporation Confidential Do Not Copy VP2650wb 1 75 ...

Page 79: ...ViewSonic Corporation Confidential Do Not Copy VP2650wb 1 76 ...

Page 80: ...10 Exploded Diagram and Exploded Parts List 29 12 31 30 ViewSonic Corporation Confidential Do Not Copy VP2650wb 1 77 ...

Page 81: ...LCD PANEL POWER PCB MAIN PCB CRTL PCB 25 Provide by Panel 27 GM 5862H DC DC BD PANEL SOURCE CPT CLAA 260WU USB PCB 26 24 23 28 Inverter BD ViewSonic Corporation Confidential Do Not Copy VP2650wb 1 78 ...

Page 82: ...2650W 1 13 N A 3A 0AB01 001 LOGO AL VSC VP2250 1 14 N A 4K 0D701 001 MYLAR PET 565 356 0 1 VX2640W 1 15 N A 4G 0D703 001 GASKET 80 5 3 VX2640W 2 16 N A 8F VZ526 6R0 SCRW TAP FLAT_EXT M4 6L ZN W 1 17 N A 8F VG434 6R0 SCRW TAP PH W F M3 6 TP S C ZN 17 18 N A 8F 205B4 019 SCRW MACH STEEL HEX 4 40 NI 4 19 N A 8F 5A224 6R0 SCRW MACH FLAT M3 0 5P 6L NI 6 20 N A 8F 5A422 2R4 SCRW MACH FLAT P M282 4L C ZN...

Page 83: ...DV04 001 23 Plastics Hinge Assembly CJC Removed on 05 20 08 PL 00008328 6E 0DV01 001 Remark 1 Above listed items are examples supplier can expand the rows to add more necessary items Remark 2 RECOMMENDED SPARE PARTS LIST VP2650WB 1 Description ViewSonic Model Number VS11997 All revised RSPLs with newly added items or any change made should be highlighted and correlated with the ECN ECR approved by...

Page 84: ... RES 15K J 1 10W 0603 R7 R8 R29 R30 4 32 N A 5E 0DV01 M01 CHIP RES 20 J 1 10W 0603 R16 R17 2 33 N A 5E 0DV01 M01 CHIP RES 2K J 1 10W 0603 R82 R83 2 34 N A 5E 0DV01 M01 CHIP RES 20K J 1 10W 0603 R85 1 35 N A 5E 0DV01 M01 CHIP RES 220 J 1 10W 0603 R68 R70 2 36 N A 5E 0DV01 M01 CHIP RES 2 2K J 1 10W 0603 R69 R74 R103 3 37 N A 5E 0DV01 M01 CHIP RES 33 J 1 10W 0603 R63 R64 R48 R49 R50 5 38 N A 5E 0DV01...

Page 85: ...70V TVR10471KSC3F7SW VAR1 1 93 B 00008898 5E 0DV02 001 FUSE4A250V CERA ST20 T LA RF25 F601 1 94 B 00008898 5E 0DV02 001 HEAD ML 1R3P 1 2 ST 1S L9 4 CN602 1 95 B 00008898 5E 0DV02 001 HEAD ML 2R12P RT D2 4S H5 2 7 CN702 1 96 B 00008898 5E 0DV02 001 SOLDER BAR SAC300 4 4 97 B 00008898 5E 0DV02 001 PCBA SPS BD SMD VP2650W 1 98 B 00008898 5E 0DV02 001 WIRE 10 9P 1007 24 20MM VX2640 CN701 1 99 B 000088...

Page 86: ...TTER BD FR4 VX2640W 1 167 N A 5E 0DV07 M01 CHIP RES 100 J 1 10W 0603 R1 1 168 N A 5E 0DV07 M01 CHIP RES 15K J 1 10W 0603 R13 R23 2 169 N A 5E 0DV07 M01 CHIP RES 20K J 1 10W 0603 R3 R18 2 170 N A 5E 0DV07 M01 CHIP RES 22 J 1 10W 0603 R7 R19 2 171 N A 5E 0DV07 M01 CHIP RES 2 7K J 1 10W 0603 R16 R27 2 172 N A 5E 0DV07 M01 CHIP RES 330 J 1 8W 0805 R15 1 173 N A 5E 0DV07 M01 CHIP RES 3 3K J 1 10W 0603 ...

Page 87: ...J0603 NPO C44 C45 2 238 N A 5E 0DV15 M01 CHIP CAP C 330P 50V K0603 X7R C46 C47 C48 C49 C50 C51 6 239 N A 5E 0DV15 M01 CHIP CAP C 680P 50V J0603 NPO C6 1 240 N A 5E 0DV15 M01 CHIP CAP C 6800P 50V K0603 X7R C9 1 241 N A 5E 0DV15 M01 XTAL 12MHZ 20PF 30PPM XSA01200 Y1 1 242 N A 5E 0DV15 M01 DIODE SW 0 215A75V BAV99 SOT23 DN1 DN2 DN3 DN4 DN5 DN6 DN7 DN8 DN9 DN10 10 243 N A 5E 0DV15 M01 DIODE SR 2A40V S...

Page 88: ...03 N A GC 0DV72 1AM ASSY HINGE CJC VP2650W 1 304 N A GC 0DV72 1AM ASSY BASE CJC VP2650W 1 305 N A GC 0DV72 1AM ASSY CTRL BD VX2640W 1 306 N A GC 0DV72 1AM ASSY BZL ABS VP2650W 1 307 N A GC 0DV72 1AM ASSY RC ABS VP2650W 1 308 N A GC 0DV72 1AM ASSY BKT SECC 1 0T VP2650W 1 309 N A GC 0DV72 1AM ASSY SHD SECC 0 8T VP2650W 1 310 N A GC 0DV72 1AM SCRW MACH STEEL HEX 4 40 NI 4 311 N A GC 0DV72 1AM SCRW MA...

Page 89: ...ircuit Description 5 Adjustment Procedure 6 Troubleshooting Flow Chart 7 Block Diagrams 8 Schematic Diagrams 9 PCB Layout Diagrams 10 Exploded Diagram 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...

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