ViewSonic VP950B - 19" LCD Monitor, Service Manual

Page 1: ... 1 ViewSonic Corporation Confidential Do Not Cop VP950b Manufacture Date Nov 06 07 Service Manual ViewSonic VP950b Model No VS11964 19 Color TFT LCD Display ...

Page 2: ... efficiency Disclaimer ViewSonic Corporation shall not be liable for technical or editorial errors or omissions contained herein nor for incidental or consequential damages resulting from furnishing this material or the performance or use of this product In the interest of continuing product improvement ViewSonic Corporation reserves the right to change product specifications without notice Inform...

Page 3: ...2 Specification 7 3 Front Panel Control And Indicators 9 4 Circuit Description 17 5 Adjustment Procedure 27 6 Troubleshooting Flow Chart 49 7 Recommended Spare Parts List 50 8 Exploded Diagram And Spare Parts List 66 9 Disassemble Process 70 10 Block Diagram 73 11 Schematic Diagram 74 12 PCB Layout Diagram 82 ...

Page 4: ...nplug the power cable immediately and consult your service technician Always unplug the monitor before cleaning it Clean the cabinet with a clean dry cloth Apply non ammonia based cleaner onto the cloth not directly onto the glass screen Keep the monitor away from magnetic objects motors TV sets and transformer Do not place heavy objects on the monitor or power cord 1 2 PRODUCT SAFETY NOTICE Many ...

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: ... 6 ViewSonic Corporation Confidential Do Not Cop VP950b 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: ...l Scan 376 32mm H x 301 056mm V 14 8 H x 11 6 V Operating conditions Temperature Humidity Altitude 32 F to 104 F 0 C to 40 C 20 C to 90 non condensing To 10 000 feet Storage conditions Temperature Humidity Altitude 4 F to 140 F 20 C to 60 C 5 C to 90 non condensing To 40 000 feet Dimensions Physical 412 2mm W x 490 7mm H x 278 5mm D 16 2 W x 15 4 H x 11 0 D Weight Physical 13 6 Ib 6 2 kg Regulatio...

Page 8: ... VIDEO B Blue 0 7vp p VIDEO H H Sync TTL positive or negative V V Sync TTL positive or negative SDA DDC1 2B TTL SCL DDC1 2B TTL Pin Number Pin Function 1 Red video input 2 Green video input 3 Blue video input 4 No Connection 5 Ground 6 Red video ground 7 Green video ground 8 Blue video ground 9 5V 10 H V sync ground 11 No connection 12 SDA 13 Horizontal sync Composite sync 14 Vertical sync 15 SCL ...

Page 9: ...RX1 TMDS negative differential input channel 1 10 RX1 TMDS positive differential input channel 1 11 GND Logic Ground 12 Reserved 12 Reserved No connection 13 Reserved 13 Reserved No connection 14 VCCX Power 15 GND Logic Ground 16 SENS SENSE Pin Pull High 17 RX0 TMDS negative differential input channel 0 18 RX0 TMDS positive differential input channel 0 19 GND Logic Ground 20 Reserved 20 Reserved N...

Page 10: ... 10 ViewSonic Corporation Confidential Do Not Cop VP950b 3 Front Panel Function Controls And Indicators ...

Page 11: ... the bottom of the screen shows the current functions of buttons 1 and 2 Exit or select the Brightness control 4 To adjust the control press the up or down 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 1280 x 1024 60Hz video signal to the LCD display Look for in...

Page 12: ...ackground black level of the screen image Input Select toggles between inputs of 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 quickly beco...

Page 13: ...RECALL from the Main 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 frequen...

Page 14: ...hancement on or off Response Time adjusts the response time of liquid crystal display for image quality enhancement Standard sets response time to normal speed Advanced sets response time to higher speed Ultra Fast sets response time to highest speed 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 Mod...

Page 15: ...ct changes made with the User Color control Language Select or Power Lock setting SHORT CUTS FUNCTION FROM THE BUTTONS 1 Main Menu 2 Input toggle Analog or Digital refer to Appendix D To immediately activate Brightness and menu It should be change to Contrast OSD by push button 2 1 refer to the Contrast OSD 2 Under sRGB or DCR mode this function is disable To immediately activate Contrast menu It ...

Page 16: ...s below 1 OSD Lock Unlock 1 Power Lock Unlock 2 Toggle DDC CI and DDC 2B DDC CI enable disable and show following message for 3 seconds When switch to DDC CI When switch to DDC 2B Default DDC CI 1 2 Disable Theft Defence function No signal 2 Burning mode signal 2 Factory Mode Remark All the short cuts function are only available while OSD off ...

Page 17: ... BLOCK FUNCTION DESCRIPTION The main board contains panel control logic brightness control logic DDC and DC convert DC circuit and so on Power Board Include adapter inverter Flat Panel and CCFL backlight Main Board Key Board RS232 Connector For white balance adjustment in factory mode HOST Computer CCFL Drive AC IN 100V 240V Video signal DDC Monitor Block Diagram R G B H V SDA SCL OSC Backlight an...

Page 18: ...ips in the main board and inverter Inverter is DC TO AC circuit It changes the 12v DC of power supply to about 600 800v AC that drives the backlight It mostly consists of starting circuit PWM controller DC changing circuit LC surging circuit output circuit and protection circuit etc AC input EMI filter Bridge Rectifier and Filter Start Circuit R905 PWM Control IC Over Voltage Protect Rectifier CMO...

Page 19: ...DC data for analog interface 4mA driving strength UART transmitter GPIO 31 DDCA_SCL RS232_RX DDC data for analog interface UART transmitter GPIO 100 DDCD_SDA DDC Data and HDCP Slave Port Data for DVI Interface 4mA driving strength 1 DDCD_SCL DDC Clock and HDCP Slave Port Data for DVI Interface 4mA driving strength 80 BYPASS For External Bypass Capacitor 84 RST Chip reset High reset 52 VCTRL Regula...

Page 20: ... the rising edge of the clock input while output data is shifted out on the falling edge of the clock input SI Serial Data Input To transfer commands addresses or data serially into the device Inputs are latched on the rising edge of the serial clock SO Serial Data Output To transfer data serially out of the device Data is shifted out on the falling edge of the serial clock CE Chip Enable The devi...

Page 21: ...cuit easily and etc The function of each pin and the inside circuit diagram are as follows PIN Descriptions Pin Name Function 1 RT This pin is to program the switching frequency By connection a resistor to ground to set the switching frequency 2 COMP Voltage feedback pin same as the COMP pin in UC384X By connecting a photo coupler to close the control loop and achieve the regulation 3 CS Current s...

Page 22: ... VP950b 7 NC Unconnected Pin 8 HV Connect this pin to positive of bulk capacitor to provide the startup current for the controller when Vcc voltage trips the UVLO on this HV loop will be off to save the power loss on the startup circuit Block Diagram ...

Page 23: ...porates all the functions required in the construction of a pulse width modulation PWM control circuit on a single chip Designed primarily for power supply control this device offers the flexibility to tailor the power supply control circuitry to a specific application PIN Descriptions ...

Page 24: ...r MTT multi transaction translator hub controller IC with 4 downstream ports for embedded USB solutions The 4 Port Hub supports Low Speed Full Speed and High Speed downstream devices on all of the enabled downstream ports The configuration and the inside circuit diagram are as follows PIN Configuration ...

Page 25: ... 25 ViewSonic Corporation Confidential Do Not Cop VP950b Block Diagram ...

Page 26: ...al Do Not Cop VP950b AP1510SA U704 AP1510 consists of step down switching regulator with PWM control These devices include a reference voltage source oscillation circuit error amplifier internal PMOS and etc PIN Descriptions Block Diagram ...

Page 27: ...Use MODE key to modify x y Lv value and use MEMORY CH key to modify the TEXT description Following is the procedure to do white balance adjust 2 Setting the color temp You want A MEM CHANNEL1 9300 color 9300 color temp parameter is x 0 283 0 003 y 0 298 0 003 Lv 143 cd m2 B MEM CHANNEL 1 7500 color 7500 color temp parameter is x 0 299 0 003 y 0 316 0 003 Lv 165cd m2 C MEM CHANNEL1 6500 color 6500 ...

Page 28: ...until CA210 indicator reached x 0 299 0 003 y 0 316 0 003 Lv 165cd m2 C Adjust 6500 color temperature 1 Switch the CA 210 to x y Lv Mode with press MODE button 2 Switch the MEM channel to Channel 1 with up or down arrow on CA 210 3 The LCD indicator on CA 210 will show x 0 313 0 003 y 0 329 0 003 Lv 187cd m2 4 Adjust the R G B of color3 on factory window until CA210 indicator reached x 0 313 0 003...

Page 29: ...0 Resolution Notice On Color Temperature 6500K Volume N A Sharpness 100 Balance N A OSD H Position 50 Treble N A OSD V Position 50 Bass N A OSD Time Out 15 720x400 640x400 720x400 OSD Background On DCR ON DDC DDC CI 5 5 Function Test 1 Product 19 LCD Monitor 2 Test Equipment Color Video Signal Pattern or PC with SXGA resolution and a sound card 3 Test Condition Before function test and alignment e...

Page 30: ...nate visual wavy noise Figure 1 2 Contrast Bright ness 16 Gray Scale 16 gray levels sh should be distinguishable Figure 2 3 Boundary Horizontal Vertical Thickness Horizontal and Vertical position of video should be adjustable to be within the screen frame Figure 3 4 RGB Color Performance RGB Color Intensities Contrast of each R G B color should be normal Figure 4 5 6 5 Screen Uniformity Flicker Fu...

Page 31: ...Cop VP950b Fine Line Morie Pattern Figure1 Gray Scale Pattern Figure2 Horizontal Vertical Thickness Pattern R Color Pattern Figure 4 Figure 3 G Color Pattern Figure 5 B Color Pattern Figure 6 Full White Pattern Figure 7 Dark Screen Pattern Figure 8 ...

Page 32: ...mware Test Pattern Burn In Mode Refer to Chapter III 3 Hot Keys for Function Controls Make sure the F W is the latest version DDC Test Pattern EDID program Make sure it can pass test program Fine Tune and Sharpness Test Signal 1280 1024 60Hz Test Pattern Line Moire Pattern Check and see if the image has noise and focus performs well Eliminate visual line bar If not readjust by the following steps ...

Page 33: ...adow gauge and filter film The total numbers and distance of dead pixels should be compliant with the spec Mura Test Pattern White RGB Black Grey Test Tool 10 ND Filter Check if the Mura can pass 10 ND Filter Check for Secondary Display Modes Test Signal Analog 640 480 60 75Hz 720 400 70Hz 800 600 56 60 72 75Hz 1024 768 60 70 72 75Hz 1280 1024 60 75Hz Normally when the primary mode 1280 1024 60Hz ...

Page 34: ... 001 1 Firmware Upgrade Program One additional monitor for checking the program execution 2 Setup Procedure 2 1 Connect P2 of Fixture with printer port of PC by LPT Cable 2 2 Connect P1 of Fixture with Monitor TSUM series by VGA Cable 2 3 Plug Power Adapter to Fixture 2 4 Connect Power Cord to Monitor TSUM series 2 5 Connect P3 to the Signal Generator eg Chroma2326 for verifying it after the opera...

Page 35: ...edure Step 1 Let Monitor TSUM series set to be connected with AC cable and VGA cable Step 2 Execute the MSstar ISP tool Step 3 Click Device button Make sure that parameters relative to WP is followed bellow P2 to LPT Cable JP1 to Power Adapter P1 to VGA Cable P3 to Signal Generator ...

Page 36: ...0b Step 4 Click Read button Select the object bincode on your corresponding directory Step 5 Click Auto button Be sure that function of Erase Device File Area Blank Program and Verify is selected then execute the flashing action by clicking the Run button ...

Page 37: ...F W has been completed Verify Ok message will be shown on the right TextBox and Flash Status will be 8C in the right bottom of window Step 7 Unplug and replug power cord of Monitor TSUM series set and then check the OSD operation and image on srceen Step 8 At last do Memory Recall ...

Page 38: ...h VGA ports of Monitor TSUM Series by VGA Cable 1 2 Connect P1 of Fixture with Printer port of PC by LPT Cable 1 3 Plug Power Adapter to Fixture 1 4 Connect Power Cord to Monitor TSUM Series 1 5 Connect PC to the additional monitor 2 DDC Key In Procedure Sep1 Select and execute DDC Key In program JP1 Power Adapter P2 VGA Cable P1 to LTP Cable ...

Page 39: ... 39 ViewSonic Corporation Confidential Do Not Cop VP950b ...

Page 40: ... 40 ViewSonic Corporation Confidential Do Not Cop VP950b Sep2 Inpute the S N and execute Enter ...

Page 41: ... 41 ViewSonic Corporation Confidential Do Not Cop VP950b ...

Page 42: ... 42 ViewSonic Corporation Confidential Do Not Cop VP950b Sep3 Key the Enter and write the data ...

Page 43: ... 43 ViewSonic Corporation Confidential Do Not Cop VP950b Sep4 If ddc program OK and show data compare ok ...

Page 44: ... N 42 59906 001 1 HDCP Upgrade code One additional monitor for checking the program execution 2 Setup Procedure 3 2 1 Connect PC to the additional monitor 3 2 2 Connect Power Cord to Monitor TSUM series 3 2 3 Connect P3 of Fixture with Monitor TSUM series by VGA Cable 3 2 4 Connect P4 to the Signal Generator eg Chroma2326 for verifying it after the operation being completed 3 2 5 Connect P2 of Fix...

Page 45: ... 45 ViewSonic Corporation Confidential Do Not Cop VP950b 3 Firmware Upgrade Procedure Step 1 Let Monitor TSUM series set to be connected with AC cable and VGA cable Step 2 Execute the MSstar HDCP tool ...

Page 46: ...Confidential Do Not Cop VP950b Step 3 Click 加载 HDCP button Select the object bincode on your corresponding directory Step 4 Click option int the lef select the way to write to only one monitor or two monitors eg Only one monitor ...

Page 47: ...button execute the write action Step 6 If HDCP code writer has been completed Monitor 1 PASS message will be shown in the left bottom of window Step 7 If HDCP write failed please check relative connection or DDCCI is right or not then execute the HDCP code write action again ...

Page 48: ... 48 ViewSonic Corporation Confidential Do Not Cop VP950b 5 9 Packing Procedure ...

Page 49: ... 49 ViewSonic Corporation Confidential Do Not Cop VP950b 6 Troubleshooting Flow Chart ...

Page 50: ...IL TAPE 2 14 052G 2191 D PAPER TAPE 75 15 052G6019 1 INSULATING TAPE 15 16 052G6020 5 PROTECT FILM 1 17 070GHDCP500HDC HDCP CODE 1 18 089G 175 8 L FQE41177F USB CABLE 1800mm A B E08905 1 19 089G 728CAA902 SIGNAL CABLE 1 8M E08902 1 20 089G 728GAA902 SIGNAL CABLE E08902 1 21 089G1748GAA AC SIGNAL CABLE DVI GREATLAND E08903 1 22 089G176J 6500 FFC CABLE 1 23 089G179J30H583 FFC CABLE 30PIN 180MM E0890...

Page 51: ...170926A INSTALL STAND CARD 1 52 J41G780170927A RUBBER INSERT CARD 1 53 J41G780270911A VISTA CARD 1 54 J41G780270912A QSG 1 55 J44G6002 S120 PAPER BOARD 0 042 56 J44G6002 S121 PAPER BOARD 0 021 57 J44G9017709 1A CARTON 1 58 J44G9020 1 EPS L19 7VSC3 VP950 1 59 J44G9020 2 PS L19 7VSC3 VP950 1 60 J45G 76 28V3A PE BAG FOR MANUAL CARD 1 61 J45G 88606 6 PE BAG FOR BASE 1 62 J45G 88626 1 R PE BAG FOR MONI...

Page 52: ...801 1 90 033G8021 2E F WAFER CN802 1 91 033G8021 2E F WAFER CN803 1 92 033G8021 2E F WAFER CN804 1 93 040G 45762412B CBPC LABEL 1 05 94 056G 139 3A IC PC123Y22FZ0F IC902 1 95 061G 208151 64 RST MOFR 150 OHM 5 1W R907 1 96 061G152M104 64 100KOHM 5 2W R909 1 97 061G152M43852T RST MOF 0R43 5 2W R916 1 98 063G107K474 US 0 47UF 10 C909 1 99 065G 6J1006ET 10PF 5 SL 6KV C801 1 100 065G 6J1006ET 10PF 5 SL...

Page 53: ...20 ASS Y 1 127 Q51G 6 4508 GLUE_RTV 2 128 Q85G0053 1 S shield HS4 1 129 S73G17476V LINE FILTER ASS Y L901 1 130 033G3802 2B Y CONNECTOR CN704 1 131 067G 3151014KV EC 105 CAP 100UF M 25V C746 1 132 067G215V101 4R LOW E S R 100UF 20 25V C729 1 133 067G215V101 4R LOW E S R 100UF 20 25V C742 1 134 067G215V470 4N KY25VB47 M CC3 0 5 11MM C749 1 135 067G305V101 3 105 摄氏度 100UF M 16V C727 1 136 067G305V10...

Page 54: ...W R431 1 167 061G0402100 RST CHIPR 10 OHM 5 1 16W R430 1 168 061G0402100 RST CHIPR 10 OHM 5 1 16W R429 1 169 061G0402100 RST CHIPR 10 OHM 5 1 16W R428 1 170 061G0402100 RST CHIPR 10 OHM 5 1 16W R427 1 171 061G0402101 RST CHIPR 100 OHM 5 1 16W R461 1 172 061G0402101 RST CHIPR 100 OHM 5 1 16W R460 1 173 061G0402101 RST CHIPR 100 OHM 5 1 16W R455 1 174 061G0402101 RST CHIPR 100 OHM 5 1 16W R454 1 175...

Page 55: ... CHIPR 10 KOHM 5 1 16W R453 1 207 061G0402103 RST CHIPR 10 KOHM 5 1 16W R457 1 208 061G0402103 RST CHIPR 10 KOHM 5 1 16W R459 1 209 061G0402104 RST CHIPR 100 KOHM 5 1 16W R449 1 210 061G0402104 RST CHIPR 100 KOHM 5 1 16W R482 1 211 061G0402222 RST CHIPR 2 2 KOHM 5 1 16W R411 1 212 061G0402222 RST CHIPR 2 2 KOHM 5 1 16W R410 1 213 061G0402223 RST CHIPR 22 KOHM 5 1 16W R456 1 214 061G0402390 0F RST ...

Page 56: ...1 247 065G0402104 15 MLCC 0402 0 1UF K 16V X5R C422 1 248 065G0402104 15 MLCC 0402 0 1UF K 16V X5R C421 1 249 065G0402104 15 MLCC 0402 0 1UF K 16V X5R C420 1 250 065G0402104 15 MLCC 0402 0 1UF K 16V X5R C409 1 251 065G0402104 15 MLCC 0402 0 1UF K 16V X5R C408 1 252 065G0402104 15 MLCC 0402 0 1UF K 16V X5R C453 1 253 065G0402104 15 MLCC 0402 0 1UF K 16V X5R C454 1 254 065G0402104 15 MLCC 0402 0 1UF...

Page 57: ...2UF 20 80 C430 1 286 065G0402224 17 CAP CER 0 22UF 20 80 C429 1 287 065G0402224 17 CAP CER 0 22UF 20 80 C403 1 288 065G0402473 12 CHIP 0 047uF 16V X7R C419 1 289 065G0402473 12 CHIP 0 047uF 16V X7R C418 1 290 065G0402473 12 CHIP 0 047uF 16V X7R C417 1 291 065G0402473 12 CHIP 0 047uF 16V X7R C416 1 292 065G0402473 12 CHIP 0 047uF 16V X7R C414 1 293 065G0402473 12 CHIP 0 047uF 16V X7R C413 1 294 071...

Page 58: ...5 MLCC 0402 1μF 6 3V X5R C470 1 327 071G 56V301 B CHIP BEAD FCM2012VF 301T07 bullwill FB405 1 328 071G 56V301 B CHIP BEAD FCM2012VF 301T07 bullwill FB406 1 329 071G 56V301 B CHIP BEAD FCM2012VF 301T07 bullwill FB407 1 330 071G 56V301 B CHIP BEAD FCM2012VF 301T07 bullwill FB408 1 331 093G 6432P LL4148 D425 1 332 715G2812 1 MAIN PCB 1 333 701G 150 N S ABS 94HB 1 005 334 033G8019 6K H U 6P 1 0mm Pitc...

Page 59: ... 362 057G 417 4 PMBS3904 PHILIPS SMT 04 Q810 1 363 057G 417 4 PMBS3904 PHILIPS SMT 04 Q803 1 364 057G 417 4 PMBS3904 PHILIPS SMT 04 Q807 1 365 057G 417 6 PMBS3906 PHILIPS SMT 06 Q806 1 366 057G 417 6 PMBS3906 PHILIPS SMT 06 Q805 1 367 057G 759 2 RK7002 Q812 1 368 057G 759 2 RK7002 Q808 1 369 057G 760 4B PDTA144WK SOT346 Q801 1 370 057G 760 5B PDTC144WK SOT346 Q802 1 371 057G 763 14 AM9945N Q809 1 ...

Page 60: ...603150 1F RST CHIPR 1 5 KOHM 1 1 10W R841 1 401 061G0603220 RST CHIPR 22 OHM 5 1 10W R844 1 402 061G0603220 RST CHIPR 22 OHM 5 1 10W R845 1 403 061G0603220 RST CHIPR 22 OHM 5 1 10W R846 1 404 061G0603220 RST CHIPR 22 OHM 5 1 10W R847 1 405 061G0603270 2F RST CHIPR 27 KOHM 1 1 10W R815 1 406 061G0603362 RST CHIPR 3 6 KOHM 5 1 10W R803 1 407 061G0603470 2F RST CHIPR 47 KOHM 1 1 10W R842 1 408 061G06...

Page 61: ...6000 4 RST CHIPR 0 OHM 5 1 4W F902 1 441 061G1206100 RST CHIP 10R 1 4W 5 R912 1 442 061G1206103 RST CHIPR 10 KOHM 5 1 4W ZD801 1 443 061G1206103 RST CHIPR 10 KOHM 5 1 4W R905 1 444 061G1206103 RST CHIPR 10 KOHM 5 1 4W R931 1 445 061G1206150 RST CHIPR 15 OHM 5 1 4W R851 1 446 061G1206150 RST CHIPR 15 OHM 5 1 4W R850 1 447 061G1206150 RST CHIPR 15 OHM 5 1 4W R837 1 448 061G1206150 RST CHIPR 15 OHM 5...

Page 62: ... 479 065G0805152 32 CHIP 1500PF 50V X7R 0805 C821 1 480 065G0805152 32 CHIP 1500PF 50V X7R 0805 C816 1 481 065G0805152 32 CHIP 1500PF 50V X7R 0805 C803 1 482 065G0805221 31 220PF 50V NPO C913 1 483 065G080522131G 220PF 50V NPO 2 C809 1 484 065G0805225 12 CHIP 2 2UF 16V X7R 0805 C808 1 485 065G0805471 21 CHIP 470PF 25V NPO C914 1 486 093G 64 33 DIO SIG SM BAV99 PHSE R D810 1 487 093G 64 33 DIO SIG ...

Page 63: ...M 5 1 16W R712 1 519 061G0402000 RST CHIPR 0 OHM 5 1 16W R703 1 520 061G0402000 RST CHIPR 0 OHM 5 1 16W R702 1 521 061G0402102 RST CHIPR 1 KOHM 5 1 16W R766 1 522 061G0402103 RST CHIPR 10 KOHM 5 1 16W R734 1 523 061G0402103 RST CHIPR 10 KOHM 5 1 16W R728 1 524 061G0402103 RST CHIPR 10 KOHM 5 1 16W R725 1 525 061G0402103 RST CHIPR 10 KOHM 5 1 16W R708 1 526 061G0402104 RST CHIPR 100 KOHM 5 1 16W R7...

Page 64: ... 0 1UF K 16V X5R C714 1 555 065G0402104 15 MLCC 0402 0 1UF K 16V X5R C712 1 556 065G0402104 15 MLCC 0402 0 1UF K 16V X5R C711 1 557 065G0402104 15 MLCC 0402 0 1UF K 16V X5R C710 1 558 065G0402104 15 MLCC 0402 0 1UF K 16V X5R C709 1 559 065G0402104 15 MLCC 0402 0 1UF K 16V X5R C707 1 560 065G0402104 15 MLCC 0402 0 1UF K 16V X5R C705 1 561 065G0402104 15 MLCC 0402 0 1UF K 16V X5R C703 1 562 065G0402...

Page 65: ...ODE ESD EGA 10603V05A1 B INPAQ ZD701 1 585 093G5004500 DIODE SM540A BY SECOS D701 1 586 715G2829 1 USB PCB 1 587 006G 31 4 1 7MM RIVET NR901 2 588 006G 31500 EYELET CN901 2 589 006G 31502 1 5MM RIVET T901 4 590 056G 158 12 KIA431A AT P TO 92 IC903 1 591 065G 2K152 1T6921 1 5NF 2KV Y5P 10 C910 1 592 065G517K102 5T 1000PF 10 Y5P 500V C920 1 593 065G517K102 5T 1000PF 10 Y5P 500V C921 1 594 067G 21522...

Page 66: ... 66 ViewSonic Corporation Confidential Do Not Cop VP950b 8 Exploded Diagram And Spare Parts List ...

Page 67: ...ame 1 6 J37G 006 2 base 1 7 J15G8B14 1 USB BKT 1 8 M1G1730 6 120 SCREW power board main frame 4 9 M1G1740 8 120 SCREW power board main frame 1 10 M1G1740 8 120 SCREW USB scalar board main frame 3 11 M1G940 12 47 CR3 SCREW stand VESA 4 12 M1G330 4 120 screw USB BKT mainframe 1 13 M1G330 6 120 screw Panel main frame 4 14 J37G006 1 HINGE ASS Y 1 15 J33G8B12EC2 1L VP950 HINGE COVER 1 16 J52G8B01 1 MYL...

Page 68: ... 68 ViewSonic Corporation Confidential Do Not Cop VP950b Packing For Shipping ...

Page 69: ...J44G9020 2 EPS 1 PCS 4 J45G 88626 1 R PE BAG FOR MONITOR 1 PCS 5 J45G 88606 6 PE BAG FOR BASE 1 PCS 6 J45G 76 28V3A PE BAG FOR MANUAL CARD 1 PCS 7 J41G780270912A QSG 1 PCS 8 J70G1903709 3A CD MANUAL 1 PCS 9 089G402A18N LS POWER CABLE 1 PCS 10 089G 175 8 USB CABLE 1 PCS 11 089G 728HAA 1 SIGNAL CABLE 1 PCS 12 089G1748HAA AC DVI CABLE 1 PCS ...

Page 70: ... Picture 2 3 3 Use equipment or abandoned IC card to prize up the bezel through the bottom flute and rip up the back cover downwards refer to the following the picture 4 5 6 7 4 Remove the bezel refer to the following picture 8 9 5 Disassemble the 4 pins of the backlight as showed in the following the picture 1011 12 6 Disassemble the 4 fixed screws of the panel as showed in the following the pict...

Page 71: ... 71 ViewSonic Corporation Confidential Do Not Cop VP950b Picture 3 Picture 4 Picture 5 Picture 6 Picture 7 Picture 8 Picture 9 Picture 10 ...

Page 72: ... 72 ViewSonic Corporation Confidential Do Not Cop VP950b Picture 11 Picture 12 Picture 13 Picture 14 Picture 15 Picture 16 Picture 17 ...

Page 73: ... 73 ViewSonic Corporation Confidential Do Not Cop VP950b 10 Block Diagram Scaler TSUM56AWHL L 1 Include ADC OSD MCU etc ...

Page 74: ...IN C753 0 1uF 16V Volume 5 CMVCC on_BACKLIGHT 5 R774 10K 1 16W 5 DGND 2 3 5 BKLT EN C756 100uF 25V VCC3 3 CMVCC R775 5 1 OHM 2W C754 100uF 25V VCC1 8 Volume C755 0 1uF 16V VCC3 3 R771 1K 1 16W 5 C760 100uF 25V A VSC VP950 A 4 5 Tuesday October 16 2007 715G2812 C 称爹 4 0 POWER G2812 C X X 1 071016 OEM MODEL Size Rev Date Sheet of TPV MODEL PCB NAME 称爹 T P V Top Victory Electronics Co Ltd Key Compone...

Page 75: ...1 2 C427 0 1uF 16V 93G 64 42 P FB404 0 OHM 5 1 10W R422 0R05 1 16W R415 75R 1 16W 5 R438 10K 1 16W 5 C422 0 1uF 16V R444 4K7 1 16W 5 R484 56 OHM 1 16W R425 100R 1 16W 5 C412 NC VGA_PLUG R407 100R 1 16W 5 R435 1K 1 16W 5 C409 0 1uF 16V DSUB_R 5 DSUB_V 5 VGA_R D401 RLZ5 6B R414 75R 1 16W 5 D419 BAV99 3 1 2 CMVCC RXCN 5 R445 4K7 1 16W 5 R408 100R 1 16W 5 DDC1_SDA C430 0 22uF16V RX2P 5 PROTECT_B PROTE...

Page 76: ... 3 AVDD R464 4K7 1 16W 5 CMVCC C432 0 22uF16V PA0 C438 0 1uF 16V POWER_KEY C449 0 1uF 16V DET_CABLE 2 For Auto Pivot Function A VSC VP950 C 5 5 Tuesday October 16 2007 715G2812 C 称爹 5 0 SCALER G2812 C X X 1 071016 OEM MODEL Size Rev Date Sheet of TPV MODEL PCB NAME 称爹 T P V Top Victory Electronics Co Ltd Key Component 絬 隔 瓜 絪 腹 VDDC R470 10K 1 16W 5 VCC3 3 DSUB_G 2 PB9 PA1 VCC3 3 PB3 EE_WP DDC2_SC...

Page 77: ...RXE0 3 PA 0 9 LVA2P PB 0 9 5 LVB2M RXO3 Q402 2N3906S RTK PS LVB3P LVA1P PB3 RXE2 LVA2P LVA2M LVB3M R405 47K 1 16W 5 LVA3M RXO2 LVA3P PANEL_VCC PB6 RXO3 LVB1P Q404 NC 2N3904S RTK PS LVB0P LVB3M LVBCKM RXO2 LVACKM LVA0M PA9 C401 0 1uF 16V LVB1P LVA0P Q403 NC 2N3904S RTK PS S LVB2P PPWR_ON PB9 LVBCKP LVA2M LVB2M LVACKP Q401 AO3401 A VSC VP950 A 3 5 Tuesday October 16 2007 715G2812 C 称爹 3 0 OUTPUT G28...

Page 78: ...10K 1 10W 1 12V R840 10K 1 10W 1 D813 NC R811 1 5 KOHM 1 1 10W Q806 PMBS3906 R808 10K 1 10W 1 R815 27K 1 10W 1 R844 22R 1 10W 5 R810 15 1 4W Q805 PMBS3906 C804 0 1uF 16V CN804 CONN 1 2 D812 1N4148W OLP1 Q809 AM9945N T1 PF 1 2 3 4 8 7 6 5 S G S G D D D D R845 22R 1 10W 5 R801 0R05 1 10W 5 C803 1500PF 50V CN801 CONN 1 2 C810 0 1uF 25V R831 10K 1 10W 1 R843 NC C823 0 1uF 25V CHANGE UPDATE C820 NC FB ...

Page 79: ...R L922 3 5uH R909 100K 2W D920 SBT150 10LST 1 2 3 D911 NC C913 220pF 50V C910 1500PF 2KV R900 330K 1 4W R951 47 1 4W ZD921 RLZ13B 1 2 R954 47 1 4W R912 10R 1 4W C921 0 001uF 500V F901 FUSE R915 10K 1 8W R907 150 1W HS1 HEAT SINK Q900 1 2 R922 330R 1 8W Q900 STP10NK70ZFP C 925 470uF 25V R926 33K 1 8W VAR901 NC R931 10K 1 4W BD901 KBP208G 2 1 3 4 R905 10K 1 4W 5V GND1 GND 1 2 C931 0 1uF 50V ON OFF T...

Page 80: ...2007 715G2807 B 称爹 1 Key board G2807 B X X 1 070730 OEM MODEL Size Rev Date Sheet of TPV MODEL PCB NAME 称爹 T P V Top Victory Electronics Co Ltd Key Component 絬 隔 瓜 絪 腹 UP D101 UDZSNP5 6B 1 2 R003 2K OHM 1 1 10W YELLOW KEY2 SW005 SW 3 4 2 1 5 6 D104 UDZSNP5 6B 1 2 R002 3K 1 10W D105 UDZSNP5 6B 1 2 DOWN LED01 LED 1 2 3 4 BLUE KEY1 SW002 SW 3 4 2 1 5 6 POWER KEY1 DOWN GND CN001 CONN 1 2 3 4 5 6 KEPC7...

Page 81: ...ONNNECTOR 1 2 3 4 6 5 R703 0R05 1 16W R704 100K 1 16W 5 Near by USB 2504 Hub side GND_U 1 2 3 4 5 6 7 8 CN703 CONNNECTOR 1 2 3 4 6 5 7 8 11 12 9 10 U705 AP1117E33LA 1 2 3 V S S VOUT VIN GND_U OCS4 FB713 NC 1 2 L701 NC 1 4 2 3 R718 NC DP4 R751 NC GND_U GND_U C706 100uF 16V GND_U L703 NC 1 4 2 3 DM3 C401 0 1uF 16V GND_U USB5V DP2 R722 0R05 1 16W R728 10K 1 16W 5 GND_U R721 12K 1 10W 1 GND_U USB5V OC...

Page 82: ... 82 ViewSonic Corporation Confidential Do Not Cop VP950b 12 PCB Layout Diagram 12 1 MAIN BOARD PCB TOP VIEW ...

Page 83: ... 83 ViewSonic Corporation Confidential Do Not Cop VP950b 12 2 MAIN BOARD PCB BUTTON VIEW ...

Page 84: ... 84 ViewSonic Corporation Confidential Do Not Cop VP950b 12 3 POWER PCB TOP VIEW ...

Page 85: ... 85 ViewSonic Corporation Confidential Do Not Cop VP950b 12 4 POWER PCB BUTTON VIEW ...

Page 86: ... 86 ViewSonic Corporation Confidential Do Not Cop VP950b 12 5 KEY BOARD TOP VIEW 12 6 KEY BOARD BUTTON VIEW 12 7 USB BOARD TOP VIEW BUTTON VIEW ...

Page 87: ...tors 4 Circuit Description 5 Adjustment Procedure 6 Troubleshooting Flow Chart 7 Recommended Spare Parts List 8 Exploded Diagram And Spare Parts List 9 Block Diagram 10 Schematic Diagram 11 PCB Layout Diagram B Are you satisfied with the VP950b 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 opinion and suggestio...