ViewSonic VLCDS26064-2W User Manual Download

Page: 1 / 77

Model No.

20"

Color TFT LCD Display

Service Manual

ViewSonic

VP201b

-1

ViewSonic

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

(

VP201b

-1_SM_

685

Rev. 1

May.

200

)

VLCDS26064-2W/-4W

Summary of Contents for VLCDS26064-2W

Page 1: ...Model No 20 Color TFT LCD Display Service Manual ViewSonic VP201b s 1 ViewSonic 381 Brea Canyon Road Walnut California 91789 USA 800 888 8583 VP201b s 1_SM_685 Rev 1d May 2005 VLCDS26064 2W 4W ...

Page 2: ...rpose 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 Revision History Trademarks ViewSonic is a registered trademark of ViewSonic Corporation All other trademarks used within this document are the property of their respective owners Optiques...

Page 3: ...oubleshooting Flow Chart 9 Block Diagram 10 Schematic Diagrams 7 Recommended Spare Parts List 1 Precautions and Safety Notices 5 Adjustment Procedure 8 Exploded Diagram and Spare Parts List 11 PCB Layout Diagrams 1 3 12 18 19 37 40 58 60 61 68 ii ViewSonic Corporation Confidential Do Not Copy VP201b s 1 ...

Page 4: ...ause of the high voltage used in the inverter circuit the voltage is exposed in such areas as the associated transformer circuits 4 LCD Module Handling Precautions 4 1 Handling Precautions 1 Since front polarizer is easily damaged pay attention not to scratch it 2 Be sure to turn off power supply when connecting or disconnecting input connector 3 Wipe off water drops immediately Long contact with ...

Page 5: ...e LCD contains a small amount of mercury Please follow local ordinances or regulations for disposal 13 The LCD module contains a small amount of materials having no flammability grade The LCD module should be supplied with power that complies with the requirements of Limited Power Source IEC60950 or UL1950 or an exemption should be applied for 14 The LCD module is designed so that the CCFL in it i...

Page 6: ...arate Sync TTL level Polarity Positive or Negative d H V composite Sync TTL level Polarity Positive or Negative e SOG Sync level 0 3Vp p Input connector a Analog D sub 15pin x 1 b Digital DVI I 29 pin x 1 Analog Digital c USB up stream x1 VP201s b only Output connector a USB down stream x 4 VP201s b only Display data channel DDC2B Signal frequency range a Horizontal a 1 Analog 30KHz 92KHz a 2 Digi...

Page 7: ...ish CD ROM Warranty card HD15 HD15 cable DVI D DVI D cable 3 Regulatory Standard certification Regulatory standards UL cUL FCC B CB CE ENERGY NOM TUV GS TUV ERGO covers ISO13406 2 MPRII TCO 03 for VP201s VP2000s TCO99 for VP201b NEMKO SEMKO DEMKO FIMKO GOST R 20 ORIGINAL COPIES HYGIENIC SASO PCBC VCCI BSMI CCC PSB C TICK TUV S Note 1 Luminance variation FIG 1 Luminance test points L 408mm W 306mm ...

Page 8: ... DVI D Color Adjust SRBG 9300K 6500K default 5400K 5000K User Color R G B Information Resolution Horizontal Frequency Vertical Frequency Model Number Serial Number Web Site Manual Image Adjust H V Position2 H Position V Position H Size2 Fine Tune2 Scaling3 Fill Screen Fill Aspect Ratio4 1 1 Setup Menu Language English French German Spanish Italian Finnish Japanese Traditional Chinese Simplified Ch...

Page 9: ... 0 313 0 005 y 0 329 0 005 Y 200cd m2 Both analog DVI 7 64 grays and 16 grays pattern check 7 1 Input a 1600x1200 60Hz 64 gray level pattern at 100IRE with brightness set to 100 and contrast set to 70 7 2 Verify that under the 9300K 6500K 5400K 5000K settings no more than 2 of the 64 grays are saturated 7 3 Input a 1600x1200 60Hz 16 gray level pattern at 100IRE with brightness set to 100 and contr...

Page 10: ...to 100 and contrast set to 100 Y Luminance Color temperature Analog DVI 9300K 220 nit 220 nit 6500K 220 nit 220 nit 5400K 220 nit 220 nit 5000K 220 nit 220 nit 3 Picture performance test 3 1 Picture quality Test pattern signal The following image faults shall not be conspicuous 1 100IRE white raster pattern Seam Noise Beat Flicker 2 Cross hatch pattern Ringing Overshoot Smear V jitter H jitter 3 C...

Page 11: ...r 2 All mode recall AC Power on Enter ISP mode 4 2 All mode recall settings Contrast 70 Brightness 100 Color Temperature 6500K Scaling Full Screen Input Priority Auto Search OSD H Position 50 OSD V Position 50 OSD Time Out 15 Sec OSD Background On Resolution Notice Enabled 720x400 640x400 720x400 User color 50 Language English Clear burn in mode Clear user mode table 4 3 Factory shipment settings ...

Page 12: ...0 VESA 640 x 480 VESA 640 x 480 VESA 640 x 480 TEXT 720 x 400 VESA 800 x 600 Horizontal Freq 31 468 31 468 24 688 31 469 35 000 37 861 37 500 43 269 31 469 35 156 Video clock Freq 25 175 25 175 19 75 25 175 30 240 31 500 31 500 36 000 28 322 36 000 Sync Polarity H total Dots 800 800 800 800 864 832 840 832 900 1024 H sync Dots 96 96 64 96 64 40 64 56 108 72 H back porch Dots 48 48 80 48 96 128 120...

Page 13: ...s 23 23 21 27 37 29 29 29 28 38 V active Lines 600 600 600 600 624 768 768 768 768 768 V front porch Lines 1 37 1 1 3 3 3 3 1 1 Mode No 21 22 23 24 25 26 27 28 29 30 Mode Name APPLE 1152x 870 VESA 1280 x 960 VESA 1280 x 960 VESA 1280 x 1024 VESA 1280 x 1024 VESA 1280 x 1024 HDTV 1280 x 720 VESA 1600 x 1200 Horizontal Freq KHz 68 681 60 000 75 231 63 981 79 976 91 146 45 000 75 000 Video clock Freq...

Page 14: ...0 20 20 20 20 00 00 110 00 FC 00 56 50 32 30 31 73 0A 120 20 20 20 20 20 20 00 B0 b 128 bytes of EDID code for VP201s digital 0 1 2 3 4 5 6 7 8 9 0 00 FF FF FF FF FF FF 00 5A 63 10 18 0C 01 01 01 01 01 0F 01 03 20 80 29 1F 78 2E 30 85 A6 56 4A 30 99 24 14 50 54 BF EF 80 A9 40 40 81 80 81 40 71 4F 31 0A 01 01 50 01 01 01 01 48 3F 40 30 62 B0 60 32 40 40 C0 13 00 98 32 11 00 70 00 1E 00 00 00 FF 00 ...

Page 15: ...ptions and adjusts the displayed control Also a shortcut to display the Contrast adjustment control screen Power On Off 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 Green ON Orange Power Saving Displays the Main Menu or exits the control screen and saves adjustments 3 Fr...

Page 16: ...ustments and exit the menu press button 1 twice The following tips may help you optimize your display Adjust your computer s graphic card so that it outputs a video signal 1600 x 1200 60 Hz to the LCD display Look for instructions on changing the refresh rate in your graphic card s user guide If necessary make small adjustments using H POSITION and V POSITION until the screen image is completely v...

Page 17: ...level of the screen image Input Select allows you to toggle between an analog and a digital signal Color Adjust provides several color adjustment modes preset color temperatures and RGB which allows you to adjust red R green G and blue B separately The factory setting for this product is 6500K 6500 Kelvin 9300K Adds blue to the screen image for cooler white used in most office settings with fluore...

Page 18: ...Manual Image Adjust controls are explained below Horizontal Size adjusts the width of the screen image Horizontal Position moves the screen image left or right Vertical Position moves the screen image up or down Fine Tune sharpens focus by aligning the illuminated text and or graphic characters Sharpness adjusts the clarity and focus of the screen image Scaling adjusts the video input signal to th...

Page 19: ...ll be connected to the display this function can be used to select which computer has priority Depending on the selected Input Priority the display will do a one time detection for available inputs when first powered on OSD Position allows you to move the on screen display menus and control screens OSD Timeout sets the length of time an on screen display screen is displayed For example with a 15 s...

Page 20: ... Exception This control does not affect changes made with the User Color control Control Explanation OSD Background allows you to turn the On Screen Display background on or off OSD Pivot This function is used to rotate the OSD menu when the display is changed from Landscape to Portrait mode 17 ViewSonic Corporation Confidential Do Not Copy VP201b s 1 ...

Page 21: ...eo processing IC for Liquid Crystal Display LCD monitors and televisions incorporating Picture in Picture up to WUXGA output resolutions The gm1601H provides all key IC functions required for image capture processing and display timing control On chip functions include a high speed triple ADC and PLL Ultra Reliable DVI receiver high quality zoom and shrink scaling engines Motion Adaptive De interl...

Page 22: ...f signal on and off erratic or incorrect frequency noisy inputs any possible combination of unplugging of power or signal cables or any setting of user accessible controls Likewise the monitor should survive extended periods of operation with line voltage reduced below the specified minimum 7 An isolation transformer should be used when performing alignment and tests Portions of the power supply b...

Page 23: ...rn Push up key into factory mode OSD Select Auto BI function Select S RGB 9300K 6500K 5400K 5000K to adjust RGB gain and save color Select Copy TODS Copy TODA and Copy TODD Function ISP new program to LCD Do initial function push 1 up down AC on ff 3 second Push key Exit adjust OSD Do All mode recall function push 2 key DC power ISP new program option 1 20 ViewSonic Corporation Confidential Do Not...

Page 24: ... 1 Input 1600x1200 60Hz full white pattern at 100IRE 5 2 2 4 2 Adjust R G and B Gain to meet following chromaticity spec 5400K x 0 335 0 005 y 0 350 0 005 Y 180cd m2 Both analog DVI 5 2 2 5 5000K alignment 5 2 2 5 1 Input 1600x1200 60Hz full white pattern at 100IRE 5 2 2 5 2 Adjust R G and B Gain to meet following chromaticity spec 5000 K x 0 346 0 005 y 0 359 0 005 Y 180cd m2 Both analog DVI 5 2 ...

Page 25: ...to Factory mode 1 key DC power on 5 3 3 Enter Factory Mode Press up key 5 3 3 1 Set the color temperature mode to sRGB and press the 2 Key The R G B Gain value will be adjusted note the values 5 3 3 2 Repeat for each color temperature 5 3 4 Install Gprobe 5 3 5 Install Gprobe_1601 22 ViewSonic Corporation Confidential Do Not Copy VP201b s 1 ...

Page 26: ...5 3 6 Click Gprobe 4 23 ViewSonic Corporation Confidential Do Not Copy VP201b s 1 ...

Page 27: ...24 ViewSonic Corporation Confidential Do Not Copy VP201b s 1 ...

Page 28: ...5 3 7 Connect ISP Tool 5 3 7 1 ISP Tools 25 ViewSonic Corporation Confidential Do Not Copy VP201b s 1 ...

Page 29: ...5 3 7 2 Connect ISP Tool to COM1 Connect to COM 1 Connect to D Sub Output 12V COM port 26 ViewSonic Corporation Confidential Do Not Copy VP201b s 1 ...

Page 30: ...5 3 7 3 Connect ISP Tool to Display Connect to COM 1 D Sub 27 ViewSonic Corporation Confidential Do Not Copy VP201b s 1 ...

Page 31: ...Connect to D Sub Signal cable 28 ViewSonic Corporation Confidential Do Not Copy VP201b s 1 ...

Page 32: ...5 3 8 Confirm connection setup Gprobe setting 29 ViewSonic Corporation Confidential Do Not Copy VP201b s 1 ...

Page 33: ...5 3 8 1 Open BATCH file in Gprobe 4 Set to SERIAL1 Set to COM1 Set to 115200 30 ViewSonic Corporation Confidential Do Not Copy VP201b s 1 ...

Page 34: ...31 ViewSonic Corporation Confidential Do Not Copy VP201b s 1 ...

Page 35: ...5 3 9 Open VP2000BATCH 32 ViewSonic Corporation Confidential Do Not Copy VP201b s 1 ...

Page 36: ...5 3 10 Key in BATCH VP2000BATCH TXT 33 ViewSonic Corporation Confidential Do Not Copy VP201b s 1 ...

Page 37: ...5 3 11 Press Enter key 34 ViewSonic Corporation Confidential Do Not Copy VP201b s 1 ...

Page 38: ...o White Balance 5 3 14 1 Set LCD Monitor to Burn In mode Down key 2 key DC power on 5 3 14 2 Set LCD Monitor to Factory mode 1 key DC power on ISP finishes 5 3 14 3 Enter Factory Mode press up key 5 3 14 4 Recover color temperature settings 35 ViewSonic Corporation Confidential Do Not Copy VP201b s 1 ...

Page 39: ...D 7 Execute the All mode recall function Push the 2 key DC power on 1 Set LCD Monitor to Burn In mode Down key 2 key DC power on 2 Input Cross hatch 640 x 350 70 Hz 3 Execute auto adjust 4 Input Cross hatch 640 x 400 70 Hz 5 Use the hot key function 1 key 2 key to change mode to 640 x 400 70 7 Input Cross hatch 720 x 400 70 Hz 8 Use the hot key function 1 key 2 key to change mode to 720 x 400 70 9...

Page 40: ...tor Check that C262 positive is at 5V Failure point FB251 FB251 failure Failure point D251 IC251 L251 Q255 failure Check 1 IC255 is O P 3 3V 2 IC253 is O P 1 8V 3 IC256 is O P 2 5V 4 IC252 is O P 3 3V Yes Yes Yes No No No Failure point IC255 IC253 IC252 IC256 No 6 Troubleshooting Flow Chart 37 ViewSonic Corporation Confidential Do Not Copy VP201b s 1 ...

Page 41: ...ower on and DC power on Check that C265 positive is at 18V LED is light or not Follow item 6 1 Q258 D252 L263 L254 Check C276 pin8 is 18V Q251 Q262 failure Inverter failure Yes Yes Yes Yes No No No 38 ViewSonic Corporation Confidential Do Not Copy VP201b s 1 ...

Page 42: ...nt 1 IC401 failure 2 Signal cable is disconnected Yes Yes No IC606 IC607 Failure 6 4 Keypad cannot work Check the the cable is fully conneted between the interface board and key board Q401 Q402 Q403 Q404 failure Failure point The keypad is disconnected Yes Failure point No 29 ViewSonic Corporation Confidential Do Not Copy VP201b s 1 ...

Page 43: ...M4 0 7 10 FF C S18C ZN BLK NYLOK M SCW 0824 0775 3105123700 4 37 SCREW T M3 0 5 4 BIND C S18C ZN YEL M SCW 0824 0732 3109010900 4 38 SCREW T M3 0 5 6 BIND C S18C ZN YEL M SCW 0824 0413 3109011400 4 39 SCREW T M3 0 5 7 PAN C S P S20C ZN M SCW 0824 0784 3109010700 1 40 SHIELD CAN INV SPTH 208 5 73 8 18 T 3 HW 00001848 3461226501 1 41 SHIELD CAN SPTH 289 9 150 1 41 5 T 3 HW 00001849 3461256200 1 42 W...

Page 44: ...808 2662 3470903600 1 75 POWER KNOB POM M270 MIDNIGHT GRAY S8LRB1 PL NB 0707 0192 3360624900 1 76 RUBBER PAD 25 10 1 5 BLACK STICK M MS 0808 5271 3240498900 1 77 RUBBER PAD 22 4 T3 BLK PL PD 0714 0140 3240970900 1 78 RUBBER PAD 25 25 2 PL PD 0714 0066 3240954400 1 79 RUBBER SILICON 12 12 T5 M MS 0808 2631 3240946900 2 Plastics 41 ViewSonic Corporation Confidential Do Not Copy VP201b s 1 ...

Page 45: ...10900 4 37 SCREW T M3 0 5 6 BIND C S18C ZN YEL M SCW 0824 0413 3109011400 4 38 SCREW T M3 0 5 7 PAN C S P S20C ZN M SCW 0824 0784 3109010700 1 39 SHIELD CAN INV SPTH 208 5 73 8 18 T 3 HW 00001848 3461226501 1 40 SHIELD CAN SPTH 289 9 150 1 41 5 T 3 HW 00001849 3461256200 1 41 WASHER SPRING SWRT M MS 0808 8040 3110250000 4 42 PANEL BKT ASSY L20DBR 05DAB Added 05 09 05 HW 00002547 3790188200 1 43 CO...

Page 46: ...08 2662 3470903600 1 77 NAME PLATE VSC 3 BIRD LOGO AL 11 07 7 92 M MS 0808 8556 3200649100 1 78 POWER KNOB POM 901U 5140 S8LFB1LS PL NB 0707 1075 3360627100 1 79 RUBBER PAD 22 4 T3 BLK PL PD 0714 0140 3240970900 1 80 RUBBER PAD 25 25 2 PL PD 0714 0066 3240954400 1 81 RUBBER SILICON 12 12 T5 M MS 0808 2631 3240946900 2 Plastics 43 ViewSonic Corporation Confidential Do Not Copy VP201b s 1 ...

Page 47: ...TIVE TAPE AL W50 L55 1120 1 PCE 39 M MS 0808 2276 3240160801 SPONGE EVA 5 8 5 T 5 BLK 1 PCE 40 M MS 0808 5271 3240498900 RUBBER PAD 25 10 1 5 BLACK STICK 1 PCE 41 M MS 0808 2631 3240946900 RUBBER SILICON 12 12 T5 2 PCE 42 PL PD 0714 0066 3240954400 RUBBER PAD 25 25 2 1 PCE 43 PL PD 0714 0140 3240970900 RUBBER PAD 22 4 T3 BLK 1 PCE 44 M MS 0808 8627 3241127400 INSULATOR PC 231 13 T 5 1 PCE 45 M 000...

Page 48: ...LK 1 PCE 117 M MS 0808 8632 3460150703 BRACKET BASE2 SECC 173 190 4 T2 VP201 1 PCE 118 M MS 0808 8635 3460151002 BRACKET BASE3 SECC 173 190 4 T2 VP201 1 PCE 119 M MS 0808 8636 3460151102 BRACKET BASE1 SECC 173 190 4 T2 VP201 1 PCE 120 N A 3790184400 BKT BASE FOOT ASSY L20CBR05ACB 2 PCE 121 M SCW 0824 0783 3105280400 SCREW M M3 0 5 4 FLAT C S20C ZN NL 2 PCE 122 PL PD 0714 0100 3240957000 RUBBER PAD...

Page 49: ... C202 C203 C204 3 PCE 200 E C 0404 3852 144162201400 CAP AL 50V 22U M 5 11 TP5 C105 1 PCE 201 N A 144164701400 CAP AL 50V 47U M 6 3 11 TP5 C108 1 PCE 202 N A 145401510005 CAP AL 400V 150U M 18 35 5 C101 1 PCE 203 N A 145401510033 CAP AL 400V 150U M 18 35 5 C101 0 PCE 204 N A 1511456100 CAP MC CP 50V 022U J X7R 0805 C103 1 PCE 205 N A 1511530200 CAP MC CP 50V 100P J C0G 1206 C102 1 PCE 206 N A 1512...

Page 50: ...79 N A 0343561300 RES CH 1 10W 560 J 0603 R75 1 PCE 280 N A 0343824300 RES CH 1 10W 820K J 0603 R69 R71 2 PCE 281 N A 0343911300 RES CH 1 10W 910 J 0603 R3 1 PCE 282 E FS 0410 0074 0841110702 FUSE F P 4A 125V UL CSA F1 1 PCE 283 N A 1165104012 CAP CD 3KV 5P D SL P7 5 CY1 CY2 CY3 CY4 CY5 CY6 6 PCE 284 N A 144143311400 CAP AL 25V 330U M 10 12 5 TP5 C46 C47 2 PCE 285 N A 1511532000 CAP MC CP 50V 120P...

Page 51: ...10W 12K J 0603 R954 1 PCE 341 N A 0343151300 RES CH 1 10W 150 J 0603 R425 R604 R605 R606 7 PCE 342 N A 0343203300 RES CH 1 10W 20K J 0603 R290 R291 2 PCE 343 N A 0343220100 RES CH 1 8W 22 J 0805 R268 R271 2 PCE 344 E R 0405 7055 0343221300 RES CH 1 10W 220 J 0603 R966 1 PCE 345 E R 0405 6687 0343222300 RES CH 1 10W 2 2K J 0603 R277 R611 R612 R623 R630 5 PCE 346 E R 0405 7058 0343330300 RES CH 1 10...

Page 52: ... 15A7691100 CAP MC CP 10V 10U Z Y5V 0805 C440 C611 C612 C613 C614 C615 C616 C626 8 PCE 388 E D 0403 2129 202351080023 DIO SBD 3A 40V DO 201AD D251 0 PCE 389 E D 0403 2139 202351080105 DIO SBD 3A 40V DO 201AD D251 1 PCE 390 N A 202351580023 DIO SBD 5A 40V DO 201AD D252 1 PCE 391 N A 203812540231 DIO ZEN 0 5W 4 94 5 20V MINIMELF D253 D254 D602 D605 D606 D608 6 PCE 392 N A 203812540236 DIO ZEN 0 5W 4...

Page 53: ...254 2 PCE 435 N A 2816721580 INDUCTOR CD 10UH K SMD L252 L254 0 PCE 436 N A 2816727410 INDUCTOR SMT 22UH M 3 6A L251 1 PCE 437 N A 2816727480 INDUCTOR SMT 22UH M 3 6A L251 0 PCE 438 E L 0408 1518 2921113212 BEAD CH 100MHZ 120 OHM 4A 1206 FB251 FB252 FB253 FB254 FB255 FB256 FB257 FB258 FB259 FB260 FB261 FB262 FB951 FB952 FB953 FB954 FB955 FB956 FB957 FB958 FB959 21 PCE 439 N A 2970049201 PWB M0 L6 ...

Page 54: ...M MS 0808 1679 3222201300 TAPE AL FOIL W 25 80023 CATERON 0 465 MTR 37 M 00001850 3222201510 TAPE AL FOIL W 50 TAPE AL 35FR 3M 0 11 MTR 38 M MS 0808 1680 3222400310 TAPE W 16 897 3M 0 03 MTR 39 M MS 0808 8557 3240055600 CONDUCTIVE TAPE AL W50 L55 1120 1 PCE 40 M MS 0808 2276 3240160801 SPONGE EVA 5 8 5 T 5 BLK 1 PCE 41 M MS 0808 2631 3240946900 RUBBER SILICON 12 12 T5 2 PCE 42 PL PD 0714 0066 3240...

Page 55: ...PAD 20 20 T3 BLK 1 PCE 117 M MS 0808 8632 3460150703 BRACKET BASE2 SECC 173 190 4 T2 VP201 1 PCE 118 M MS 0808 8635 3460151002 BRACKET BASE3 SECC 173 190 4 T2 VP201 1 PCE 119 M MS 0808 8636 3460151102 BRACKET BASE1 SECC 173 190 4 T2 VP201 1 PCE 120 N A 3790184400 BKT BASE FOOT ASSY L20CBR05ACB 2 PCE 121 M SCW 0824 0783 3105280400 SCREW M M3 0 5 4 FLAT C S20C ZN NL 2 PCE 122 PL PD 0714 0100 3240957...

Page 56: ...VAC 2 2KP M E II CY103 1 PCE 196 E C 0404 4690 1101346032 CAP Y CD 250VAC 2 2KP M E II CY103 0 PCE 197 N A 1140745800 CAP CD 1KV 1KP K X7R TP5 C109 C201 2 PCE 198 N A 1200758000 CAP MO DP 50V 1U K X7R TP R C205 1 PCE 199 N A 144146819103 CAP AL 25V 680U M 10 16 TP5 C202 C203 C204 0 PCE 200 N A 144146819107 CAP AL 25V 680U M 10 16 TP5 C202 C203 C204 3 PCE 201 E C 0404 3852 144162201400 CAP AL 50V 2...

Page 57: ...PCE 273 E R 0405 7050 0343104300 RES CH 1 10W 100K J 0603 R1 R19 R20 R21 R25 R29 R38 R39 R5 R9 10 PCE 274 E R 0405 6686 0343105300 RES CH 1 10W 1M J 0603 R10 R2 R22 R26 R30 R6 6 PCE 275 N A 0343203300 RES CH 1 10W 20K J 0603 R46 1 PCE 276 N A 0343223300 RES CH 1 10W 22K J 0603 R64 R65 R66 R67 4 PCE 277 N A 0343333300 RES CH 1 10W 33K J 0603 R78 1 PCE 278 N A 0343394300 RES CH 1 10W 390K J 0603 R54...

Page 58: ...3102300 RES CH 1 10W 1K J 0603 R654 R951 2 PCE 339 E R 0405 6685 0343103300 RES CH 1 10W 10K J 0603 R256 R257 R262 R274 R278 R289 R292 R406 R412 R423 R424 R427 R431 R432 R435 R436 R437 R438 R439 R613 R614 R615 R616 R633 R634 R639 R952 R953 R955 R957 R959 R961 R963 R979 34 PCE 340 E R 0405 7050 0343104300 RES CH 1 10W 100K J 0603 R648 R649 R650 R651 R652 R653 R663 R664 R665 R666 R667 R668 12 PCE 34...

Page 59: ...C266 C268 C275 C277 C280 C283 C284 C402 C403 C404 C405 C406 C407 C408 C409 C410 C412 C413 C414 C415 C416 C417 C418 C419 C420 C421 C425 C426 C427 C428 C429 C430 C431 C432 C434 C435 C436 C437 C438 C439 C442 C443 C444 C445 C446 C447 C448 C450 C451 C452 C453 C454 C455 C456 C458 C459 C460 C461 C462 C463 C464 C465 C466 C467 C468 C469 C470 C471 C472 C473 C474 C475 C476 C478 C609 C610 C618 C620 C621 C622 ...

Page 60: ...P IC405 1 PCE 431 N A 2610487342 IC EEPROM 32K SO 8P 150MIL IC403 1 PCE 432 N A 2610487612 IC EEPROM 32K SOIC 8PIN IC403 0 PCE 433 N A 2610578017 IC DDR SDRAM 1M 32 4B 300MHZ FBGA 144B IC404 1 PCE 434 N A 2610578514 IC DDR SDRAM 1M 32 4B 300MHZ FBGA 144B IC404 0 PCE 435 N A 2816706700 INDUCTOR SMT 22UH M SMD L253 1 PCE 436 N A 2816706710 INDUCTOR SMT 22UH M L253 0 PCE 437 N A 2816721510 INDUCTOR S...

Page 61: ...8 Exploded Diagram and Spare Parts List 58 ViewSonic Corporation Confidential Do Not Copy VP201b s 1 ...

Page 62: ...39 3470308700 WIRE SADDLE NYLON66 94V2 41 3 17 M CV 0830 2472 3360245300 COVER BOTTOM ABS 41 S0LBA1AT 1 18 M MS 0808 8632 3460150703 BRACKET BASE2 SECC 173 190 4 T2 VP201 1 19 M MS 0808 8635 3460151002 BRACKET BASE3 SECC 173 190 4 T2 VP201 1 20 M MS 0808 8636 3460151102 BRACKET BASE1 SECC 173 190 4 T2 VP201 1 21 PL PD 0714 0101 3240968900 RUBBER PAD 20 20 T3 BLK 1 22 PL PD 0714 0100 3240957000 RUB...

Page 63: ...60 ViewSonic Corporation Confidential Do Not Copy VP201b s 1 9 Block Diagram ...

Page 64: ...10 Schematic Diagrams Power Board 61 ViewSonic Corporation Confidential Do Not Copy VP201b s 1 ...

Page 65: ...Main Board 62 ViewSonic Corporation Confidential Do Not Copy VP201b s 1 ...

Page 66: ...Main Board 63 ViewSonic Corporation Confidential Do Not Copy VP201b s 1 ...

Page 67: ...Main Key Board 64 ViewSonic Corporation Confidential Do Not Copy VP201b s 1 ...

Page 68: ...DVI Board 65 ViewSonic Corporation Confidential Do Not Copy VP201b s 1 ...

Page 69: ...Power Board 66 ViewSonic Corporation Confidential Do Not Copy VP201b s 1 ...

Page 70: ...Inverter Board 67 ViewSonic Corporation Confidential Do Not Copy VP201b s 1 ...

Page 71: ...11 PCB Layout Diagrams Main Board 68 ViewSonic Corporation Confidential Do Not Copy VP201b s 1 ...

Page 72: ...Main Board Bottom 69 ViewSonic Corporation Confidential Do Not Copy VP201b s 1 ...

Page 73: ...Power Board 70 ViewSonic Corporation Confidential Do Not Copy VP201b s 1 ...

Page 74: ...Power Board Bottom 71 ViewSonic Corporation Confidential Do Not Copy VP201b s 1 ...

Page 75: ...72 ViewSonic Corporation Confidential Do Not Copy VP201b s 1 Inverter Board ...

Page 76: ...73 ViewSonic Corporation Confidential Do Not Copy VP201b s 1 Inverter Board Bottom ...

Page 77: ...ality Systems Processes marc maupin viewsonic com d o o G t n e l l e c x E Precautions and Safety Notices 1 8 Exploded Diagram and Exploded Parts List 7 Recommended Spare Parts List Adjustment Procedure 2 Specification 5 4 Circuit Description 3 6 Troubleshooting Flow Chart Front Panel Function Control Description 9 Block Diagram 10 Schematic Diagrams 11 PCB Layout Diagrams Service Manual Content ...

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