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ViewSonic G90f/B-3 Service Manual

19” digital controlled color monitor
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Service Manual
ViewSonic G90f/B-3
Model No. VS23283
19" Digital Controlled Color Monitor
(G90f/B-3_SM_944 Rev. 1a – Jan. 2005)
ViewSonic 381 Brea Canyon Road, Walnut, California 91789 USA - (800) 888-8583

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  • Page 1 Service Manual ViewSonic G90f/B-3 Model No. VS23283 19” Digital Controlled Color Monitor (G90f/B-3_SM_944 Rev. 1a – Jan. 2005) 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

    4. Circuit Description 5. Adjusting Procedure 6. Trouble Shooting Flow Chart 7. Recommended Spare Parts List 8. Exploded Diagram And Spare Parts List 9. Block Diagram 10. Schematic Diagrams 11. PCB Layout Diagrams Confidential - Do Not Copy ViewSonic Corporation G90f/B-3...

  • Page 4: Precautions And Safety Notices

    (as shown in Fig.1). Use an AC voltmeter with 1000 ohm/volt or more sensitivity and measure the AC voltage across the combination 1500 ohm resistor and 0.15uF capacitor. Confidential - Do Not Copy ViewSonic Corporation G90f/B-3...
  • Page 5 X-RADIATION, shock, fire, or other hazards. Do not modify the original design or this will void the original parts and labor guarantee. Confidential - Do Not Copy ViewSonic Corporation G90f/B-3...

  • Page 6: Specification

    B RETURN 2.2.6 SIGNAL MEMORY MODES 13 PRESET MODES 2.2.7 PLUG & PLAY VESA DDC1 / 2B SCANNING FREQUENCY 2.3.1 HORIZONTAL 30 KHZ TO 96KHZ 2.3.2 VERTICAL 50 HZ TO 180 HZ Confidential - Do Not Copy ViewSonic Corporation G90f/B-3...
  • Page 7 R E C A L L E X I T : 1 S E L E C T : 2 LED INDICATION STATUS NORMAL GREEN POWER ON POWER SAVING AMBER OVER RANGE FREQUENCY AMBER POWER OFF Confidential - Do Not Copy ViewSonic Corporation G90f/B-3...
  • Page 8 POWER SAVING AMBER 10 SEC < 4W POWER SAVING AMBER 10 SEC < 29 KHZ OR < 49 HZ OR < 4W FREQUENCY OVER 10 SEC AMBER > 96KHZ >181 HZ RANGE Confidential - Do Not Copy ViewSonic Corporation G90f/B-3...
  • Page 9 4.7 PICTURE DISTORTION 4.7.1 TRAPEZOID / PARALLELOGRAM 357mm TRAPEZOID: HORIZONTAL <= 2mm 268mm VERTICAL <= 2mm PARALLEL <= 2mm PICTURE 4.7.2 PINCUSHION / BARREL / PIN-BALANCE PINCUSHION < BARLEL < 1.5mm PICTURE Confidential - Do Not Copy ViewSonic Corporation G90f/B-3...
  • Page 10 - y AT 25.75 FL < 0.005 AND: x AT CONTRAST 25.75 FL - x AT 10 FL < 0.009 Y AT CONTRAST 25.75 FL - Y AT 10 FL < 0.009 Confidential - Do Not Copy ViewSonic Corporation G90f/B-3...
  • Page 11 BLACK W HITE PICTURE PICTURE BEZEL BEZEL 4.14.2 DYNAMIC REGULATION PICTURE GROWTH SHALL BE LESS THAN 1 mm WHEN PICTURE IS EXCHANGED FROM < 1 mm 100mm BLACK 100mm W HITE 370mm Confidential - Do Not Copy ViewSonic Corporation G90f/B-3...
  • Page 12 - 5/+15 DEGREES SWIVEL ± 90 DEGREES PACKAGING 6.3.1 CARTON DIMENSION HEIGHT 498 mm WIDTH 557 mm DEPTH 577 mm 6.3.2 SHIPPING WEIGHT 22.4 KG 6.3.3 CONTAINER LOADING 320 UNITS WITH PALLET Confidential - Do Not Copy ViewSonic Corporation G90f/B-3...
  • Page 13 2.40V MIN. 3.5V NOM. 5.5V MAX. TIMING OF INPUT SIGNALS H-TOTAL TIME V-TOTAL TIME H-SYNC PULSE WIDTH V-SYNC PULSE WIDTH H-BACK PORCH V-BACK PROCH H-DISPLAY TIME V-DISPLAY TIME H-FRONT PORCH V-FRONT PORCH Confidential - Do Not Copy ViewSonic Corporation G90f/B-3...
  • Page 14 (36) R V.ACTIVE (MS) 15.254 12.711 11.093 12.800 11.179 12.795 11.183 (LINES) (480) (400) (480) (600) (600) (768) (768) S V.FRONT PORCH 0.318 0.222 0.023 0.021 0.017 (MS) (10) (LINES) SCANTYPE INTERLACED Confidential - Do Not Copy ViewSonic Corporation G90f/B-3...
  • Page 15 (LINES) (30) (39) (38) (44) (46) R V.ACTIVE (MS) 12.749 12.667 12.804 11.235 12.800 (LINES) (768) (870) (1024) (1024) (1200) S V.FRONT PORCH (MS) 0.05 0.044 0.013 0.011 0.011 (LINES) SCANTYPE INTERLACED Confidential - Do Not Copy ViewSonic Corporation G90f/B-3...
  • Page 16 EDID DATA for SAMSUNG CRT ______________________________________________________________________ VIEWSONIC CORPORATION EDID VERSION # 1, REVISION # 3 DDCTEST FOR: VIEWSONIC G90F-3 ______________________________________________________________________ ______________________________________________________________________ 128 BYTES OF EDID CODE: ________________________________________ Confidential - Do Not Copy ViewSonic Corporation G90f/B-3...

  • Page 17: Front Panel Function Control Description

    Push the increased ‘△’ or decrease ‘▽’ button for the desired adjustment﹐all adjustment are memorized automatically immediately﹒ a. Power switch b. Power-On indication c. Adjustment control buttons e. Auto sizing d. Function select buttons Confidential - Do Not Copy ViewSonic Corporation G90f/B-3...
  • Page 18 V. size / Position. Pincushion / Balance. Trapezoid / Parallel. Top/Bottom Hook. ZOOM Tilt . Main menu, Part 2. Degauss H/V Moire. OSD Position. Input Level. View match color. Language. View meter. Memory Recall. Confidential - Do Not Copy ViewSonic Corporation G90f/B-3...
  • Page 19 PARALLEL (parallelogram) slants vertical edges of the screen to the left or right. slants vertical edges to left, slants vertical edges to right. Confidential - Do Not Copy ViewSonic Corporation G90f/B-3...
  • Page 20 ▽ move OSD to left side, △ move OSD to right side ﹒ OSD V-Position control Press the ▽ , △ button. △ move OSD to up, ▽ move OSD to down. INPUT LEVEL displays the voltage level of the video signal. Confidential - Do Not Copy ViewSonic Corporation G90f/B-3...
  • Page 21 Display Time : 25 seconds Pull-in range Back ground : Blue H . V F R E QU E NC Y Characters : White O V E R R A NG E Confidential - Do Not Copy ViewSonic Corporation G90f/B-3...

  • Page 22: Circuit Description

    12V and 6.3V﹒ Degauss When the powers is on and when press manual degauss﹐IC301 pin20 output high level voltage to turn on Q201﹐RL101 and activate Degauss﹒ Confidential - Do Not Copy ViewSonic Corporation G90f/B-3...
  • Page 23 As IC401 pin25 ≅8V﹐IC401 X-RAY protection circuit immediately active﹐H-driver, B-driver and V-out no output﹒The X-RAY radiation protection circuit used in this monitor is a latching type the monitor will shown down and continue until turn-off the monitor with power switch﹒ Confidential - Do Not Copy ViewSonic Corporation G90f/B-3...
  • Page 24 Horizontal blanking pulse are fed to IC601 pin28 and let video O/P amp cut off during the period of horizontal retrace. Mute. While mode change﹐IC301 pin16 will pull high to turn off﹒The G1 voltage will down to –180V then CRT will cut off the video output ﹒ Confidential - Do Not Copy ViewSonic Corporation G90f/B-3...
  • Page 25 Key Control﹕IC301 pin26~pin29 function as DAC switch input to control OSD display function﹒ Pin40： ﹒ Pin38：▽﹒ Pin37：△﹒ Pin39： ﹒ C Bus IC301 have two groups I C bus to control E PROM﹐IC401 deflection IC﹐Auto alignment﹐IC601 pre-AMP﹒ Confidential - Do Not Copy ViewSonic Corporation G90f/B-3...
  • Page 26 Waveform Confidential - Do Not Copy ViewSonic Corporation G90f/B-3...
  • Page 27 (10) (11) (12) Confidential - Do Not Copy ViewSonic Corporation G90f/B-3...
  • Page 28 (13) (14) (14) (16) (17) (18) Confidential - Do Not Copy ViewSonic Corporation G90f/B-3...
  • Page 29 (19) (20) (20) (22) (23) (24) Confidential - Do Not Copy ViewSonic Corporation G90f/B-3...
  • Page 30 (25) (26) (26) (28) (29) (30) Confidential - Do Not Copy ViewSonic Corporation G90f/B-3...
  • Page 31 (30) (32) (33) (34) (34) (36) Confidential - Do Not Copy ViewSonic Corporation G90f/B-3...
  • Page 32 (37) (38) (39) (40) (40) (42) Confidential - Do Not Copy ViewSonic Corporation G90f/B-3...
  • Page 33 (43) (44) (45) (46) (46) (48) Confidential - Do Not Copy ViewSonic Corporation G90f/B-3...
  • Page 34 (49) (50) (51) (52) (53) (54) Confidential - Do Not Copy ViewSonic Corporation G90f/B-3...
  • Page 35 (55) (56) Confidential - Do Not Copy ViewSonic Corporation G90f/B-3...

  • Page 36: Adjusting Procedure

    Discharge of CRT anode should be done only to CRT ground strap﹒ Geometric measurements assumed to be made along a straight surface with a flat rule or template﹒ Confidential - Do Not Copy ViewSonic Corporation G90f/B-3...
  • Page 37 264mm Picture Centering﹒ Input mode 1~13 adjust V-position﹐ Picture Bezel H-position such that the picture is centered with the screen﹒ lA – Bl < 4mm lC – Dl < 4mm Picture Bezel Confidential - Do Not Copy ViewSonic Corporation G90f/B-3...
  • Page 38 Pinchshion ≦ 1mm (A’,B’,C’,D’) Barrel ≦ 1mm (A,B,C,D) Pincushion / Barrel distortion 3.4.3 Trapezoid and parallelogram distortion trapezoid / parallelogram≦1.5mm﹒ 352mm 264mm Picture Trapezoid / Parallelogram distortion 3.4.4 Rotate adjustment﹒ h < 2mm 264mm 352mm Confidential - Do Not Copy ViewSonic Corporation G90f/B-3...
  • Page 39 ” and power switch on﹐the picture should restore to that of factory mode﹒ Focus Adjustment﹒ Apply signal ALL “ME” pattern at 1280*1024 94KHz mode﹒ Set Brightness 50%﹐Contrast 100%﹒ Set focus control for best focus﹒ Confidential - Do Not Copy ViewSonic Corporation G90f/B-3...
  • Page 40 C﹒ PCB defined﹒ Main board﹒ Confidential - Do Not Copy ViewSonic Corporation G90f/B-3...
  • Page 41 ：Save color 6500K adjustment data Save color to 5000 ：Save color 5000K adjustment data Save geometry ：Save geometry adjustment data 2.10 Save all preset mode ：Save adjustment data to E PROM 2.11 Reset ：Monitor Reset Confidential - Do Not Copy ViewSonic Corporation G90f/B-3...
  • Page 42 Get mode data Pull adjust ( 255 ~ 0) Change other mode Save color to 9300K Save color to 6500K Save color to 5000K Save geometry All mode adjust finish? Save all preset mode Confidential - Do Not Copy ViewSonic Corporation G90f/B-3...
  • Page 43 & Power on key ： Into OSD service mode. Press & & Power on key ： Clear burn in flag. Press & & Power on key ： Set burn in flag. Press & Power on key ： All mode recall. Confidential - Do Not Copy ViewSonic Corporation G90f/B-3...
  • Page 44 GT F S A V E G T F R C U T G C U T B C U T R D R V G D R V B D R V Confidential - Do Not Copy ViewSonic Corporation G90f/B-3...

  • Page 45: Trouble Shooting Flow Chart

    Is the LED normal R112 normal R111, R112 Check horizontal Check video circuit and vertical circuit Are TP201~TP205 voltage normal Check D201, D203, D205, D206, Q203, Q208 Is the T101 normal Replace T101 Confidential - Do Not Copy ViewSonic Corporation G90f/B-3...
  • Page 46 Is the waveform of Q402 64Vp-p Q402, T402 "collector" normal? Horizontal out is Is the waveform of Q401 defective Q401, FBT "BASE" normal? 0.8Vp-p Is the horizontal output DY is defective circuit normal? CRT is defective Confidential - Do Not Copy ViewSonic Corporation G90f/B-3...
  • Page 47 CRT glow red? defective normal? Heater voltage approx. 6.3V Turn the FBT screen clockwise Q420, Q419, IC301 Does the entire screen Mute control are light up? defective FBT is defective Confidential - Do Not Copy ViewSonic Corporation G90f/B-3...
  • Page 48 IC501 normal? Pin5 =-11V? Is the waveform of IC401 Check the deflection Yoke pin21, pin23 normal? R502, R503 are defective R502, R503 are normal? Check power supply +12V, -12V IC401 is defective Confidential - Do Not Copy ViewSonic Corporation G90f/B-3...
  • Page 49 CRT drive circuit is defective Are the voltage on heater, power supply circuit heater, G1,G2 of CRT D206, G1, G2, FBT socket normal? and its drive circuit. Heater: G1: -38V G2: 660V The CRT is defective. Confidential - Do Not Copy ViewSonic Corporation G90f/B-3...

  • Page 50: Recommended Spare Parts List

    7. Recommended Spare Parts List RECOMMENDED SPARE PARTS LIST (G90f-3) ViewSonic Model Number: VCDTS23283-3 Rev: 1a Item Description ECR/ECN ViewSonic P/N Ref. P/N Location Universal number# Q'ty Accessories: AC POWER CORD L=1800 (Beige) A-PC-0106-0132 3090107700 PC Board Assembly: MAIN BD ASSY K996 SAR 01A...
  • Page 51 CD-ROM G90F-3 K996 SAR 01A CB-00001233 3649110700 CRT GROUNDING WIRE K996 #N/A 4090001000 SOLDER WIRE 50/50 1.6mm #N/A 5011088201 MANUAL VIEWSONIC CRT ALL MODEL B-00001210 5600010632 MAIN BD ASSY K996 SAR 01A E-R-0405-5879 0013100000 RES CF 1/4W 10 J J106 RD1/4WJ 10R T52...
  • Page 52 Item ViewSonic P/N Ref. P/N Description Location Universal # E-R-0405-3195 0013102000 RES CF 1/4W 1K J R202 RD1/4W 1KOHM JT/B E-R-0405-3195 0013102000 RES CF 1/4W 1K J R479 RD1/4W 1KOHM JT/B E-R-0405-3195 0013102000 RES CF 1/4W 1K J R481 RD1/4W 1KOHM JT/B...
  • Page 53 Item ViewSonic P/N Ref. P/N Description Location Universal # E-R-0405-5712 0013221800 RES CF 1/4W 220 J SMALL R641 RD1/4WST52 220 J E-R-0405-5712 0013221800 RES CF 1/4W 220 J SMALL R642 RD1/4WST52 220 J E-R-0405-5712 0013221800 RES CF 1/4W 220 J SMALL...
  • Page 54 Item ViewSonic P/N Ref. P/N Description Location Universal # E-R-0405-5752 0013474800 RES CF 1/4W 470K J SMALL R626 RD1/4WS 470KOHM JT #N/A 0013510000 RES CF 1/4W 51 J R623 RD1/4 510 JTB #N/A 0013510000 RES CF 1/4W 51 J R625...
  • Page 55 Item ViewSonic P/N Ref. P/N Description Location Universal # #N/A 0133152000 RES MOF 1W 1.5K J R219 E-R-0405-5729 0133181000 RES MOF 1W 180 J R215 BO1WJ0181 E-R-0405-6836 0133302000 RES MOF 1W 3K J R4408 RSN1WJ 3K T52 E-R-0405-6836 0133302000 RES MOF 1W 3K J...
  • Page 56 Item ViewSonic P/N Ref. P/N Description Location Universal # E-C-0404-3640 1120018800 CAP CD 100V 33P J C0G TP5 C306 CHA4330JG1H E-C-0404-3640 1120018800 CAP CD 100V 33P J C0G TP5 C307 CHA4330JG1H E-C-0404-3640 1120018800 CAP CD 100V 33P J C0G TP5...
  • Page 57 Item ViewSonic P/N Ref. P/N Description Location Universal # #N/A 1421022112 CAP AL 10V 220U M 6.3*12 TP5 C314 0110010227VM5 #N/A 1421022118 CAP AL 10V 220U M 6.3*11 TP5 C314 TVR1A221MA06110TC3 #N/A 1421210112 CAP AL 16V 100U M 6*12 TP5...
  • Page 58 Item ViewSonic P/N Ref. P/N Description Location Universal # E-C-0404-4943 1421647812 CAP AL 50V 4.7U M 5*12 TP5 C303 0110050475VM5 #N/A 1421647815 CAP AL 50V 4.7U M 5*11 TP5 C301 TVR1H4R7MA05110TC1 #N/A 1421647815 CAP AL 50V 4.7U M 5*11 TP5...
  • Page 59 Item ViewSonic P/N Ref. P/N Description Location Universal # E-C-0404-3691 1950106126 CAP MY DP I 50V .01U J TP5 C454 PEI103J1HT E-C-0404-3694 1950108101 CAP MY DP I 50V .022U J TP5 C110 PEI-223J0050DT2058 E-C-0404-3694 1950108104 CAP MY DP I 50V .022U J TP5...
  • Page 60 Item ViewSonic P/N Ref. P/N Description Location Universal # #N/A 2043207500 DIO SW 0.2A 75V DO-35 D109 1N4148,133 #N/A 2043207500 DIO SW 0.2A 75V DO-35 D110 1N4148,133 #N/A 2043207500 DIO SW 0.2A 75V DO-35 D114 1N4148,133 #N/A 2043207500 DIO SW 0.2A 75V DO-35...
  • Page 61 Item ViewSonic P/N Ref. P/N Description Location Universal # #N/A 2043207500 DIO SW 0.2A 75V DO-35 D115 1N4148TA #N/A 2043207500 DIO SW 0.2A 75V DO-35 D201 1N4148TA #N/A 2043207500 DIO SW 0.2A 75V DO-35 D208 1N4148TA #N/A 2043207500 DIO SW 0.2A 75V DO-35...
  • Page 62 Item ViewSonic P/N Ref. P/N Description Location Universal # #N/A 2101025003 TR 50V 0.15A TO-92 120-240 Q204 2SC1815-Y(TPE2,F) #N/A 2101025003 TR 50V 0.15A TO-92 120-240 Q207 2SC1815-Y(TPE2,F) #N/A 2101025003 TR 50V 0.15A TO-92 120-240 Q403 2SC1815-Y(TPE2,F) #N/A 2101025003 TR 50V 0.15A TO-92 120-240...
  • Page 63 Item ViewSonic P/N Ref. P/N Description Location Universal # E-IC-0401-2730 2530026104 IC VERT DEFLECTION SIP-10P IC501 KA2142 E-00000870 2530142206 IC DEFLECTION PROCESSOR SDIP-32P IC401 STV9118 E-00001220 2530159204 IC MONO 3-CH 7nS CRT DRIVER TO220-9P IC602 LM2470TA E-IC-0401-2947 2530209026 IC MASK OSD CONTROLLER SKINNY-28P...
  • Page 64 Item ViewSonic P/N Ref. P/N Description Location Universal # M-MS-0808-5153 4020208200 FLUX ROSIN 800 NO CLEAN 800 NO CLEAN M-MS-0808-5154 4020208300 THINNER OF ROSIN 800 ADDITIV 800 ADDITIVE M-MS-0808-5165 4020500500 INK BLACK #N/A 4090050100 SOLDER BAR SN96.5/AG3.0/CU0.5 SAC305 SOLDER BAR...
  • Page 65 Item ViewSonic P/N Ref. P/N Description Location Universal # E-L-0407-1572 2921020182 CORE BEAD 3.5*1.2*6 T/R L104 LB3.5*6 E-L-0407-1572 2921020182 CORE BEAD 3.5*1.2*6 T/R L105 LB3.5*6 E-L-0407-1572 2921020182 CORE BEAD 3.5*1.2*6 T/R L203 LB3.5*6 E-L-0407-1572 2921020182 CORE BEAD 3.5*1.2*6 T/R L204 LB3.5*6...
  • Page 66 Item ViewSonic P/N Ref. P/N Description Location Universal # 1027 M-MS-0808-7311 3341159002 HSK AL T=2.5 85*47 I HS101 1028 HW-00001236 3341749600 HSK PLATE AL1100F PICKLING T2 1029 #N/A 3342700305 HSK AL T=1 84.5*35 I HS601 1030 M-MS-0808-8237 3350141100 RIVET BRASS TIN PLATED 1.8*3.7*3...
  • Page 67 Item ViewSonic P/N Ref. P/N Description Location Universal # R412,J449,J3 1075 #N/A 3411000500 JUMP WIRE COPPER 0.6*12.5*4.0 17,J457 1076 M-WR-0828-0402 4010670000 WIRE CU 0.6 TNC 1077 M-WR-0828-0388 3411000600 JUMP WIRE COPPER 0.6*15.0*4.0 J205 1078 M-WR-0828-0402 4010670000 WIRE CU 0.6 TNC...
  • Page 68 CD-ROM G90F-3 K996 SAR 01A CB-00001233 3649110700 CRT GROUNDING WIRE K996 #N/A 4090001000 SOLDER WIRE 50/50 1.6mm M-MS-0808-7881 5011088201 MANUAL VIEWSONIC CRT ALL MODEL B-00001210 5600010632 MAIN BD ASSY K996 SAR 01A E-R-0405-5879 0013100000 RES CF 1/4W 10 J J106 RD1/4WJ 10R T52...
  • Page 69 Item ViewSonic P/N Ref. P/N Description Location Universal # E-R-0405-3195 0013102000 RES CF 1/4W 1K J R120 RD1/4W 1KOHM JT/B E-R-0405-3195 0013102000 RES CF 1/4W 1K J R202 RD1/4W 1KOHM JT/B E-R-0405-3195 0013102000 RES CF 1/4W 1K J R479 RD1/4W 1KOHM JT/B...
  • Page 70 Item ViewSonic P/N Ref. P/N Description Location Universal # E-R-0405-5888 0013221000 RES CF 1/4W 220 J R465 RD25ST52 220R J E-R-0405-5712 0013221800 RES CF 1/4W 220 J SMALL R442 RD1/4WST52 220 J E-R-0405-5712 0013221800 RES CF 1/4W 220 J SMALL...
  • Page 71 Item ViewSonic P/N Ref. P/N Description Location Universal # E-R-0405-5751 0013473800 RES CF 1/4W 47K J SMALL R437 RD16ST52 47K J E-R-0405-5752 0013474800 RES CF 1/4W 470K J SMALL R622 RD1/4WS 470KOHM JT E-R-0405-5752 0013474800 RES CF 1/4W 470K J SMALL...
  • Page 72 Item ViewSonic P/N Ref. P/N Description Location Universal # E-R-0405-5726 0133100000 RES MOF 1W 10 J R420 RSN1WT63 J 10R E-R-0405-5727 0133101000 RES MOF 1W 100 J R4403 RSU01J 1000 A520 #N/A 0133124000 RES MOF 1W 120K J R103 RSU01J 1203 A520...
  • Page 73 Item ViewSonic P/N Ref. P/N Description Location Universal # E-C-0404-4482 1111358800 CAP CD 50V .1U Z Y5V TP5 C640 FYU6104ZG1H E-C-0404-4482 1111358800 CAP CD 50V .1U Z Y5V TP5 C403 DCS104Z30Y5VF6FJ5A E-C-0404-4482 1111358800 CAP CD 50V .1U Z Y5V TP5...
  • Page 74 Item ViewSonic P/N Ref. P/N Description Location Universal # E-C-0404-3729 1142938800 CAP CD 1KV 220P K Y5P TP5 C220 DCH221K22Y5PN6FJ5A E-C-0404-3656 1142945800 CAP CD 1KV 1KP K Y5P TP5 C412 BM6102KG1H E-C-0404-3656 1142945800 CAP CD 1KV 1KP K Y5P TP5...
  • Page 75 Item ViewSonic P/N Ref. P/N Description Location Universal # #N/A 1421622015 CAP AL 50V 22U M 5*11 TP5 C114 TVR1H220MA05110TC1 #N/A 1421622015 CAP AL 50V 22U M 5*11 TP5 C432 TVR1H220MA05110TC1 E-C-0404-4942 1421622812 CAP AL 50V 2.2U M 5*12 TP5...
  • Page 76 Item ViewSonic P/N Ref. P/N Description Location Universal # E-C-0404-3690 1950104126 CAP MY DP I 50V 6.8KP J TP5 C514 PEI682J1HT E-C-0404-3691 1950106101 CAP MY DP I 50V .01U J TP5 C430 PEI-103J0050DT2058 E-C-0404-3691 1950106101 CAP MY DP I 50V .01U J TP5...
  • Page 77 Item ViewSonic P/N Ref. P/N Description Location Universal # #N/A 2033225706 DIO ZEN 0.5W 8.61-8.99V DO-35 ZD402 RD9.1E-T4-AZ(B2) #N/A 2033225802 DIO ZEN 0.5W 8.9-9.3V DO-35 ZD303 HZ9C1 TA-E #N/A 2033226106 DIO ZEN 0.5W 11.9-12.4V DO-35 ZD201 HZ12A2 TA-E #N/A 2033226703 DIO ZEN 0.5W 17.5-18.3V DO-35...
  • Page 78 Item ViewSonic P/N Ref. P/N Description Location Universal # #N/A 2043207500 DIO SW 0.15A 75V DO-35 D604 1N4148 TA-E #N/A 2043207500 DIO SW 0.15A 75V DO-35 D605 1N4148 TA-E #N/A 2043207500 DIO SW 0.15A 75V DO-35 D606 1N4148 TA-E #N/A 2043207500 DIO SW 0.15A 75V DO-35...
  • Page 79 Item ViewSonic P/N Ref. P/N Description Location Universal # #N/A 2101025002 TR 50V 0.15A TO-92 200-400 Q403 KSC1815GRTA #N/A 2101025002 TR 50V 0.15A TO-92 200-400 Q405 KSC1815GRTA #N/A 2101025002 TR 50V 0.15A TO-92 200-400 Q407 KSC1815GRTA #N/A 2101025002 TR 50V 0.15A TO-92 200-400...
  • Page 80 Item ViewSonic P/N Ref. P/N Description Location Universal # #N/A 2420063500 FET 250V 8.1A 0.45ohm TO-220 Q416 IRF634A #N/A 2420063500 FET 250V 8.1A 0.45ohm TO-220 Q425 IRF634A #N/A 2420063503 FET 250V 8.1A 0.45OHM TO-220 Q414 IRF634B #N/A 2420063503 FET 250V 8.1A 0.45OHM TO-220...
  • Page 81 Item ViewSonic P/N Ref. P/N Description Location Universal # #N/A 2802916300 TRANSFORMER DT 1.15MH MIN T403 DT-19EV-168T #N/A 3198060200 BOBBIN & LUG*5 ASSY L1=4.5+/-0.5 M-MS-0808-5389 3220130300 TAPE W=7 #1350F-1 3M #1350F-1 W=7 M-MS-0808-5250 3220130400 TAPE W=9 #1350F-1 3M #1350F-1 W=9...
  • Page 82 Item ViewSonic P/N Ref. P/N Description Location Universal # E-00001222 2850011310 FBT 19" 96KHZ 1.28mH T401 CF2183DE2705 E-L-0407-0494 2921020100 CORE BEAD 3.5*6*1.0 T/R JW101 C8B RH3.5*6*1.0 T/ E-L-0407-0494 2921020100 CORE BEAD 3.5*6*1.0 T/R L101 C8B RH3.5*6*1.0 T/ E-L-0407-0494 2921020100 CORE BEAD 3.5*6*1.0 T/R L103 C8B RH3.5*6*1.0 T/...
  • Page 83 Item ViewSonic P/N Ref. P/N Description Location Universal # 1012 M-SCW-0824-0411 3109010300 SCREW T M3*0.5*10 BIND C S18C ZN YEL 1013 M-SCW-0824-0413 3109011400 SCREW T M3*0.5*6 BIND C S18C ZN YEL 1014 M-SCW-0824-0617 3109017300 SCREW T M3*0.5*8 PAN C S S18C ZN SCREW T ? p4*1.6*10 PAN C S18C ZN YEL...
  • Page 84 Item ViewSonic P/N Ref. P/N Description Location Universal # 1066 M-WR-0828-0402 4010670000 WIRE CU 0.6 TNC J404,J306,J30 1067 #N/A 3411000500 JUMP WIRE COPPER 0.6*12.5*4.0 5,J323,J433,J 1068 M-WR-0828-0402 4010670000 WIRE CU 0.6 TNC J407,J321,J30 1,J429,J426,J 414,J445,J23 1069 #N/A 3411000500 JUMP WIRE COPPER 0.6*12.5*4.0...

  • Page 85: Exploded Diagram And Spare Parts List

    8. Exploded Diagram And Spare Parts List Confidential - Do Not Copy ViewSonic Corporation G90f/B-3...
  • Page 86 EXPLODED PARTS LIST (G90f-3) ViewSonic Model Number: VCDTS23283-3 Rev: 1a Item ViewSonic P/N Ref. P/N Description Q'ty C-00001211 3361096900 F/B PC+ABS Y0-487 G90F S9PFC1AT (Beige) PL-NB-0707-0191 3360624200 POWER KNOB ABS Y0-487 S7FB2AT (Beige) M-MS-0808-4828 3360053201 LED HOLDER NY66 NAT M-MS-0808-7806 3462003900 SPRING COMPRESSION SUS304 ID6.5 L12...
  • Page 87 EXPLODED PARTS LIST (G90fB-3) ViewSonic Model Number: VCDTS23283-3 Rev: 1a Item ViewSonic P/N Ref. P/N Description Q'ty C-00001109 3361500400 F/B PC+ABS EP32 G90F S9PFC1AT (Black) PL-000001255 3360925300 POWER KNOB ABS EP32 S7PFB1AT (Black) M-MS-0808-4828 3360053201 LED HOLDER NY66 NAT M-MS-0808-7806 3462003900 SPRING COMPRESSION SUS304 ID6.5 L12...
  • Page 93 Confidential - Do Not Copy ViewSonic Corporation G90f/B-3...
  • Page 102 9. Block Diagram Confidential - Do Not Copy ViewSonic Corporation G90f/B-3...
  • Page 103 10. Schematic Diagrams Confidential - Do Not Copy ViewSonic Corporation G90f/B-3...
  • Page 104 Confidential - Do Not Copy ViewSonic Corporation G90f/B-3...
  • Page 105 Confidential - Do Not Copy ViewSonic Corporation G90f/B-3...
  • Page 106 Confidential - Do Not Copy ViewSonic Corporation G90f/B-3...
  • Page 107 Confidential - Do Not Copy ViewSonic Corporation G90f/B-3...
  • Page 108 11. PCB Layout Diagrams Confidential - Do Not Copy ViewSonic Corporation G90f/B-3...

  • Page 109: Block Diagram

    We would appreciate your completion of the Assessment Matrix below, for return to ViewSonic Corporation Assessment A.What do you think about the content after reading G90f/B-3 Service Manual? t i n e l l Precautions And Safety Notices 2.

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