ViewSonic E70F-5 Service Manual Download Page 49

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Q'ty

208

#N/A

705A763ZC8701A AC ASS'Y

209

#N/A

705A773ZC5602P IC601 ASS'Y

210

#N/A

705A773ZC5707A Q431 ASS'Y

211

#N/A

705A773ZC9301V D919 ASS'Y

212

#N/A

6C 31500

EYELET

213

#N/A

6C 31501

BRASS

214

#N/A

6C 31502

BRASS

215

#N/A

715C1008 4 1

CMPC

216

PL-00002759

6C 31 4

BRASS

217

#N/A

93C 396V1 V

TZX6V2B

ZD110

218

E-00003625

95C 90 23

JUMPER

219

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D113

220

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D414

221

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D704

222

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FB402

223

E-00003625

95C 90 23

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FB405

224

E-00003625

95C 90 23

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FB901

225

E-00003625

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226

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227

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ViewSonic Corporation

Confidential – Do Not Copy

E70f-5_E70fB-5_E70fSB-5

Summary of Contents for E70F-5

Page 1: ...ual ViewSonic E70f 5 E70fB 5 E70fSB 5 Model No VCDTS22355 5 17 Digital Controlled Color Monitor E70f 5_E70fB 5_E70fSB 5_SM Rev 1c Dec 2005 ViewSonic 381 Brea Canyon Road Walnut California 91789 USA 80...

Page 2: ...ntability 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 ViewS...

Page 3: ...hooting Flow Chart 9 Block Diagram 10 Schematic Diagrams 7 Recommended Spare Parts List 1 Precautions and Safety Notices 5 Adjusting Procedure 8 Exploded Diagram And Spare Parts List 11 PCB Layout Dia...

Page 4: ...ltage circuit If a short circuit is found replace all parts which have been overheated as a result of the short circuit 3 3 All the protective devices munt be reinstalled per original design 3 4 Solde...

Page 5: ...WARNING The only potential source of X Radiation is the picture tube However when the high voltage circuit is operating properly there is no possibility of X Radiation problem The basic precaution whi...

Page 6: ...18 3 81 2 03 1 56 1 616 1 138 1 219 1 016 1 037 2 116 1 117 1 200 H Back Porch s 1 96 1 589 3 81 2 22 3 232 2 702 2 235 2 201 2 296 3 175 3 910 2 200 H Active s 25 42 25 42 20 32 17 78 16 162 14 22 1...

Page 7: ...be made under the Model Number XY Pacific Asia Australia New Zealand So Africa UL1950 c UL1950 FCC Part 15 Subpart J Subpart B DHHS Part 21 Subpart J X Ray Protection CSA 22 2 cUL950 ICES 003 Class B...

Page 8: ...he connector information is as follow 15 Pin Color Display Signal Cable PIN NO DESCRIPTION PIN NO DESCRIPTION 1 RED 9 5V From PC 2 GREEN 10 Sync GND 3 BLUE 11 NC 4 GND 12 SDA 5 GND 13 HORIZ SYNC 6 GND...

Page 9: ...Light Power On Off Scroll through menu Displays control screen for highlighted control or pair of controls Also toggles between pairs of controls on some control screens options and adjust the displa...

Page 10: ...ONTRAST in the sample below press the arrow buttons 4 To save the control setting and Exit the menu press button 1 twice BRIGHTNESS OSD Lock Settings You have the option of using the On Screen Display...

Page 11: ...or right Horizontal Size adjusts width of the screen image Vertical Position moves the screen image up or down Vertical Size adjusts the height of the screen image Pincushion curves the vertical sides...

Page 12: ...for warmer white and richer red 5000K Adds blue and green to the screen image for a darker color User Color Individual adjustments for red green and blue Moire reduces interference patterns that appea...

Page 13: ...for display the built in characters or fonts onto monitor screen The display operation is by transforming data and control information from micro controller to RAM through a serial data interface Pin...

Page 14: ...the oscillator saw tooth voltage The PLL loop filter C401 C402 R409 is connected to Pin26 PLL2 Phase Detector The PLL2 detector thus compensates for the delay in the external H deflection circuit by...

Page 15: ...f Mode to Cut off 6 3V Supply Voltage Q909 Q918 Use for Standy By or Suspend Mode to Cut off 12V Supply Voltage Q912 Q920 Push Pull Topology to Drive Q911 Q913 Degaussing Switcher Transistor Q921 5V R...

Page 16: ...HV voltage adjustment A Chroma 2000 Signal generator or PC equivalent set mode 1 VGA 640X480 pattern 1 0 B Connect a DC Volt meter between TP901 and ground then adjust VR903to be 14VDC C Connect a DC...

Page 17: ...ATION COLOR TEMPERATURE are common mode saved in the memory Don t needed adjust it individual at every timing Mode and save in the memory 3 White Balance Luminance adjustment A Bias Low Luminance adju...

Page 18: ...e two tabs in such a manner that they advance in an opposite direction but at the same time to obtain the same angle between the two tabs which should be approximately 180 D Check the complete blue an...

Page 19: ...ECK SCREEN VOLTAGE LESS THAN 300V CHECK FBT CHECK MAIN PCB POWER CHECK FAILSAFE CKT Q909 CHECK CRT S HEATER CIRCUIT Q907 Q705 RELATIVE CKT PIN 25 RELATIVE CKT OF CRT ABOUT 25 5 400V TO 600V REFER ITEM...

Page 20: ...0 ABOUT 5V CHECK 5V RELATIVE CHECK THE IC801 PIN RELATIVE CIRCUIT RELATIVE CIRCUIT CHECK IC801 PIN 23 CLAMP PIN 19 20 21 ABOUT CHECK IC801 PIN 5 PIN 6 PIN 7 PIN 2 ABNORMAL DDC PLUG PLAY OK NG CHECK IC...

Page 21: ...ABOUT CHECK THE VOLTAGE OF FBT CHECK THE RELATIVE CHECK THE 12V PIN OF SMPS ON MAIN RELATIVE CIRCUIT OF P802 ABOUT 400V TO EXCEED 700V CHECK FBT CRT RELATIVE CHECK VIDEO IC801 VCC ABOUT OF IC801 PIN...

Page 22: ...NG NG CHECK THE COLLECTOR CHECK THE COLLECTOR RELATIVE CIRCUIT RELATIVE CIRCUIT CHECK Q402 CHECK T401 T402 Q402 ABOUT 3Vpp OF Q403 ABOUT 1200Vpp AT D408 C418 C419 H DY CHECK IC401 PIN 8 WAVE FORM CHEC...

Page 23: ...CIRCUIT OF READJUST H WIDTH OF Q404 Q405 CHECK THE HV CHECK FBT B CRT ABOUT 25 5KV ABOUT 65V AT 2 ABNORMAL HORIZONTAL VIDEO CENTER RELATIVE CIRCUIT CHECK IC401 PIN 29 3 ABNORMAL HORIZONTAL LINEARITY...

Page 24: ...01 PIN 12 13 21 22 24 CHECK THE IC601 PIN 2 ABOUT 12V PIN 4 ABOUT 12V CHECK D601 2 VERTICAL CENTER NG READJUST V CENTER RELATIVE CKT CHECK IC401 AND IC601 6 7 SIDE PIN CUSHION DISTORTION NG READJUST S...

Page 25: ...G YES CHECK BRIDGE RECTIFIED CIRCUIT CHECK START C K T CHECK D919 CHECK Q911 Q911 FAILURE CHECK Q901 CHECK IC901 CHECK AC LINE VOLT 120V OR 220V CHECKF901 SW901 CHECK LINE RECTIFIED SMOOTHED VOLT CHEC...

Page 26: ...4 1A IC601 1PCS 28 Inductor 150UH 10 FOR TDK E 00002875 73C 253 69 T L405 1PCS 29 Inductor CHOCK E 00002876 73C 253 88 HB L906 1PCS 30 LINEARITY COIL E 00004592 73C 147 538 H L401 1PCS 31 Main Transfo...

Page 27: ...00002874 56C 584 1A IC601 1PCS 28 Inductor 150UH 10 FOR TDK E 00002875 73C 253 69 T L405 1PCS 29 Inductor CHOCK E 00002876 73C 253 88 HB L906 1PCS 30 LINEARITY COIL E 00004592 73C 147 538 H L401 1PCS...

Page 28: ...02874 56C 584 1A IC601 1PCS 28 Inductor 150UH 10 FOR TDK E 00002875 73C 253 69 T L405 1PCS 29 Inductor CHOCK E 00002876 73C 253 88 HB L906 1PCS 30 LINEARITY COIL E 00004592 73C 147 538 H L401 1PCS 31...

Page 29: ...56C366509 1PCS 20 IC LM2470TA NOPB E 00002697 56C 551524 IC802 56C551524 1PCS 21 IC NT68F63U E IC 0401 4017 56A1125552 X IC101 56A1125552X 1PCS 22 IC TDA4841PS PHILIPS E 00002873 56C 552 2 IC401 56C55...

Page 30: ...27 Q911 1PCS 22 IC LM1246DKA NA NOPB E IC 0401 4019 56C 366509 IC801 1PCS 23 IC LM2470TA NOPB E 00002697 56C 551524 IC802 1PCS 24 IC NT6865UG 30135 E 00004659 56C1125566 A IC101 3PCS 25 IC TDA4841PS...

Page 31: ...509 IC801 1PCS 24 IC LM2470TA NOPB E 00002697 56C 551524 IC802 1PCS 25 IC LM2480NA NOPB E IC 0401 2060 56C 539 6 IC803 1PCS 26 LINEARITY COIL E 00004667 73C 147538 HB L401 1PCS 27 NT6863U 60026 E70FSB...

Page 32: ...E 00002697 56C 551524 IC802 1PCS 25 IC LM2480NA NOPB E IC 0401 2060 56C 539 6 IC803 1PCS 26 LINEARITY COIL E 00004667 73C 147538 HB L401 1PCS 27 NT6863U 60026 E70FSB 5P EM E 00004339 56A1125566 IC101...

Page 33: ...413 1 32 N A 64C178J474 1T C121X 0 47UF 100V 5 C414 1 33 N A 64C 44J4721AT 4700PF 100V PEI C415 1 34 N A 63C210J2242CC 0 22UF 5 250V C416 1 35 N A 64C178J154 0T CL21X 0 15UF 63V 5 C417 1 36 N A 63C210...

Page 34: ...0PF 2KV 10 Y5P C835 1 103 N A 65A517K102 5T6213 1000PF 500V 10 Y5P C836 1 104 N A 65A517K102 5T6213 1000PF 500V 10 Y5P C837 1 105 N A 65A517K102 5T6213 1000PF 500V 10 Y5P C838 1 106 N A 65C 450104 7T...

Page 35: ...DE 1N4148 D403 1 174 E D 0403 0531 93A 64 1152T DIODE 1N4148 D404 1 175 E D 0403 2800 93C1002 1P52T 1N5817 D405 1 176 N A 93C1060 6P52T ER106 PANJIT D406 1 177 N A 93C 6021W52T FR155 WILLAS D407 1 178...

Page 36: ...1 5 DF902 2 245 N A 71C 55 2 A A FERRITE BEAD 3 5 1 5 DF903 2 246 N A 71C 55 2 A A FERRITE BEAD 3 5 1 5 DF904 2 247 N A 71C 55 2 A A FERRITE BEAD 3 5 1 5 DF919 1 248 N A 71C 55 2 A FERRITE BEAD 6 5 5...

Page 37: ...E 00003625 95C 90 23 JUMPER J029 0 314 E 00003625 95C 90 23 JUMPER J030 0 315 E 00003625 95C 90 23 JUMPER J032 0 316 E 00003625 95C 90 23 JUMPER J034 0 317 E 00003625 95C 90 23 JUMPER J035 0 318 E 00...

Page 38: ...90 23 JUMPER J111 0 387 E 00003625 95C 90 23 JUMPER J112 0 388 E 00003625 95C 90 23 JUMPER J114 0 389 E 00003625 95C 90 23 JUMPER J123 0 390 E 00003625 95C 90 23 JUMPER J124 0 391 E 00003625 95C 90 2...

Page 39: ...7C 708 1 T 2SC4002E Q742 1 458 E 00002867 57C 724501 STP9NK70ZFP Q901 1 459 N A 57C 446500 T 2SC1213C Q902 1 460 E 00004376 57C 419503 T 2SC945P Q903 1 461 N A 57C 594504 T KSP44TA Q904 1 462 N A 57C...

Page 40: ...W R414 1 528 N A 61C 60210252T CFR 1K OHM 5 1 6W R415 1 529 N A 61C 60220252T CFR 2K OHM 5 1 6W R417 1 530 N A 61C175L39352T CFR 39K OHM 5 1 2W R418 1 531 E 00000859 61C 21023352T MFR 23K OHM 1 1 6W R...

Page 41: ...CFR 5 6KOHM 5 1 6W R713 1 599 N A 61C 20043352T MFR 43KOHM 1 1 4W R715 1 600 N A 61C175L22152T CFR 220 OHM 5 1 2W R721 1 601 N A 61C152M101 64 MOFR 100OHM 5 2W R723 1 602 N A 61A212Y30452T MGFR 300K...

Page 42: ...2T CFR 47K OHM 5 1 2W R925 1 670 N A 61C153M513 59 MOFR 51K OHM 5 3W R927 1 671 E R 0405 6779 61A212Y10552T MGFR 1M OHM 5 1 2W R928 1 672 E 00002857 61C152M228 64 MOFR 0 22 OHM 5 2W R929 1 673 N A 61C...

Page 43: ...628 93C 3951652T TZX5V1B ZD702 1 739 E D 0403 0241 93C 3951552T TZX3V0C ZD703 1 740 E 00003628 93C 3951652T TZX5V1B ZD801 1 741 N A 93C 39 6952T HZ7B2 E ZD810 1 742 E D 0403 1952 93C 3952252T TZX20B Z...

Page 44: ...140 6128 SCREW 1 809 N A 705A761PC8702V AC SOCKET 1 810 N A 705A763XC56 5A X101 ASS Y 1 811 N A 705A763XC57 1A Q911 ASS Y 1 812 N A 705A763XC57 2A Q403 Q406 D408 HV1 ASS 1 813 N A 705A763XC57 3A Q901...

Page 45: ...1 852 N A M1C1730 10128 SCREW M3x10 1 853 N A 90C6118 1 HEAT SINK 1 854 N A M1C1730 6128 SCREW M3x6 1 855 N A 90C 360502 C HEAT SINK 1 856 C 00004586 34C 985BF0 A FRONT PANEL 1 857 E 00002864 80AS763...

Page 46: ...TON 1 32 P 00004660 44C67E7 1 EPS CUSHION 1 33 P 00004661 44C67E7 2 EPS CUSHION 1 34 P 00002871 45C 76 28 V3 PE BAG FOR MANUAL 1 35 N A 45C 76 34 RN PE BAG FOR BASE V000 0 36 P 00004385 45C 88 7 RN Mo...

Page 47: ...13 59 MOFR 51K OHM 5 3W R927 1 101 N A 61C153M918 59 MOFR 0 91 OHM 5 3W R428 1 102 N A 62C 10 16 J SPARK GAP 1KV 500 100V SG489 1 103 N A 63C107K334 6 0 33UF 275VAC 10 C900 1 104 N A 63C107K334 U MPX...

Page 48: ...W103 1 169 N A 77C 602 1 CJ TACT SWITCH TSVB 2 T NP SW104 1 170 N A 77C 602 1 CJ TACT SWITCH TSVB 2 T NP SW103 1 171 N A 77C 602 1 CJ TACT SWITCH TSVB 2 T NP SW104 1 172 N A 77C411A 2 CJ MINI PUSH SWI...

Page 49: ...0 242 E 00003625 95C 90 23 JUMPER J019 0 243 E 00003625 95C 90 23 JUMPER J020 0 244 E 00003625 95C 90 23 JUMPER J021 0 245 E 00003625 95C 90 23 JUMPER J022 0 246 E 00003625 95C 90 23 JUMPER J023 0 247...

Page 50: ...12 E 00003625 95C 90 23 JUMPER J100 0 313 E 00003625 95C 90 23 JUMPER J101 0 314 E 00003625 95C 90 23 JUMPER J102 0 315 E 00003625 95C 90 23 JUMPER J103 0 316 E 00003625 95C 90 23 JUMPER J104 0 317 E...

Page 51: ...5 1 4W R941 1 384 N A 61C 17215152T CFR 150 OHM 5 1 4W R979 1 385 N A 61C 17215252T CFR 1 5K OHM 5 1 4W R613 1 386 N A 61C 17215452T CFR 150K OHM 5 1 4W R438 1 387 N A 61C 17215452T CFR 150K OHM 5 1...

Page 52: ...1 6W R110 1 455 N A 61C 60210252T CFR 1K OHM 5 1 6W R118 1 456 N A 61C 60210252T CFR 1K OHM 5 1 6W R133 1 457 N A 61C 60210252T CFR 1K OHM 5 1 6W R415 1 458 N A 61C 60210252T CFR 1K OHM 5 1 6W R726 1...

Page 53: ...52T CFR 82K OHM 5 1 2W R441 1 524 N A 63C212J2232AT 22NF 250V 5 C404 1 525 N A 71C 55 19 T FERRITE BEAD 9X3 5X0 8 FB403 1 526 N A 71C 55 19 T FERRITE BEAD 9X3 5X0 8 FB904 1 527 N A 71C 55 19 T FERRITE...

Page 54: ...97 E 00002731 57C 419 PP T 2PC945 Q913 1 598 E 00002731 57C 419 PP T 2PC945 Q931 1 599 E 00004376 57C 419503 T 2SC945P Q130 0 600 E 00004376 57C 419503 T 2SC945P Q407 0 601 E 00004376 57C 419503 T 2SC...

Page 55: ...1K101 5T6921 100PF 1KV Y5P 10 C955 1 669 N A 65C 1K102 5T6921 1NF 1KV Y5P 10 C705 1 670 N A 65C 1K221 5T6921 220PF 1KV Y5P 10 C950 1 671 N A 65C 1K331 5T6052 330PF 1KV Y5P 10 C927 1 672 N A 65C 1K331...

Page 56: ...MOFP 180 OHM 5 1W L804 1 739 N A 61C152M100 64 MOFR 10 OHM 5 2W R808 1 740 N A 61C152M101 64 MOFR 100OHM 5 2W R879 1 741 E 00003627 61C153M129 59 MOFR 1 2OHM 5 3W R835 1 742 N A 64C176J152 1T 1500PF...

Page 57: ...RITE BEAD 9X3 5X0 8 FB803 1 805 N A 71C 55 19 T FERRITE BEAD 9X3 5X0 8 FB805 1 806 N A 71C 55 19 T FERRITE BEAD 9X3 5X0 8 L808 1 807 N A 73C 54109 5T 1uH 5 peaking ciol L806 1 808 N A 73C 5422810T 0 2...

Page 58: ...4501047TV 0 1UF 80 20 50V C821 1 879 N A 65C 4501047TV 0 1UF 80 20 50V C823 1 880 N A 65C 4501047TV 0 1UF 80 20 50V C824 1 881 N A 65C 4501047TV 0 1UF 80 20 50V C849 1 882 N A 65C 4501047TV 0 1UF 80...

Page 59: ...6W R419 1 951 N A 61C153M271 59 MOFR 270 OHM 5 3W R456 1 952 E 00004308 61C153M330 59 MOFR 33 OHM 5 3W R426 1 953 N A 63C210J5125CC 5 1NF 1KV 5 C419 1 954 N A 63C210J5125CU 5100P 2KV C419 0 955 N A 6...

Page 60: ...C SOCKET 1 1019 N A 95C 800 2 2C WIRE CORE CN901 1 1020 N A 93A 22 43 J 12MHZ X101 0 1021 E 00002689 93C 22 43 H 12MHz X101 0 1022 N A 93C 2243A H 12MHZ 30PF 49U X101 1 1023 E 00003625 95C 90 23 JUMPE...

Page 61: ...20 16V C410 1 32 N A 67C 309222 3 2200UF 20 16V C411 1 33 N A 64C700J1040AT 0 1uF 50V 5 C413 1 34 N A 64C176J474 1T 47UF 5 100V C414 0 35 N A 64C178J474 1T C121X 0 47UF 100V 5 C414 1 36 N A 64C 44J472...

Page 62: ...921 47P 1KV C480 1 104 E 00003625 95C 90 23 JUMPER C480 1 105 N A 64C700J1020AT PEN 0 001UF 50V 5 C601 1 106 N A 64C700J3320AT 3 3nF 50V 5 C602 1 107 N A 67C 305471 3T4101 470UF 20 16V C603 0 108 N A...

Page 63: ...3 0T 0 082UF 5 50 63V C847 0 177 N A 64C178J823 0T 0 082UF 63V 5 C847 1 178 N A 65C 4501047TV 0 1UF 80 20 50V C849 1 179 N A 67C 305470 4T 47UF 20 25V C850 1 180 N A 67C 305470 4T 47UF 20 25V C851 1 1...

Page 64: ...722BH Y2 4700PF 20 250VAC C962 1 248 N A 65C305M4722BH Y2 4700PF 20 250VAC C963 1 249 N A 65A305M3322B3 CS13 E2GA332MYNS C964 0 250 N A 65C305M3322B2 3300PF 250VAC 400VAC C964 1 251 N A 64C700J1030AT...

Page 65: ...4 0 322 N A 93A 6431G52T BAV20 D855 0 323 N A 93C 6431P52T BAV20 D855 0 324 N A 93C 6431T52T BAV20 D855 1 325 N A 93C 6450152T SWITCHING DIODE BAV21 D855 0 326 N A 93A 6431G52T BAV20 D856 0 327 N A 93...

Page 66: ...P F901 2 394 E 00003625 95C 90 23 JUMPER FB402 0 395 N A 71C 55 19 T FERRITE BEAD 9X3 5X0 8 FB403 1 396 E 00003625 95C 90 23 JUMPER FB405 0 397 M FT 0827 0085 53A 40 8 FILTER FB801 1 398 M FT 0827 008...

Page 67: ...E 00003625 95C 90 23 JUMPER J049 0 469 E 00003625 95C 90 23 JUMPER J050 0 470 E 00003625 95C 90 23 JUMPER J051 0 471 E 00003625 95C 90 23 JUMPER J052 0 472 E 00003625 95C 90 23 JUMPER J053 0 473 E 00...

Page 68: ...MPER J801 0 543 E 00003625 95C 90 23 JUMPER J802 0 544 E 00003625 95C 90 23 JUMPER J803 0 545 N A 71C 55 19 T FERRITE BEAD 9X3 5X0 8 J808 1 546 N A 71C 55 9 T C CORE RF BEAD RH 3 5X6X0 J809 1 547 E 00...

Page 69: ...T 2SA733P Q404 0 614 N A 57C 420 PP T 2PA733P PHILIPS PNP TRA Q405 1 615 N A 57C 420502 T 2SA733P Q405 0 616 E 00004340 57C 415 1 A TR NPN TIP122 FAIRCHILD Q406 1 617 E 00002731 57C 419 PP T 2PC945 Q...

Page 70: ...C 60210152T CFR 100 OHM 5 1 6W R151 1 689 N A 61C 60247252T CFR 4 7K OHM 5 1 6W R152 1 690 N A 61C 60210352T CFR 10K OHM 5 1 6W R153 1 691 N A 61C 17210352T CFR 10KOHM 5 1 4W R176 1 692 N A 61C 172205...

Page 71: ...22452T CFR 220KOHM 5 1 4W R472 1 759 E 00003625 95C 90 23 JUMPER R473 0 760 N A 61C 17210452T CFR100K OHM 5 1 4W R474 1 761 N A 61C 60247252T CFR 4 7K OHM 5 1 6W R475 1 762 N A 61C 17222452T CFR 220KO...

Page 72: ...2OHM 5 3W R835 1 834 N A 61C 17212152T CFR 120 OHM 5 1 4W R854 1 835 N A 61C 17212152T CFR 120 OHM 5 1 4W R855 1 836 N A 61C 17218152T CFR 180 OHM 5 1 4W R856 1 837 N A 61C 17222452T CFR 220KOHM 5 1...

Page 73: ...R989 1 905 N A 61C152M121 64 MOFR 120 OHM 5 2W R991 1 906 N A 77C 260 5 2W RELAY OSA SS 212DM5 RY901 1 907 N A 62C 10 16 J SPARK GAP 1KV 500 100V SG489 1 908 N A 95C205T 3006A Wire Harness SS1 1 909 N...

Page 74: ...4553 34C 985BFJ T FRONT PANEL 1 980 N A 40C 58162435A MANUAL P N LABEL 1 981 N A 40C 581625 2A PALLET LABEL 0 982 N A 40C 581709 1A CARTON LABEL 1 983 N A 40C 58170918D PALLET LABEL 0 984 N A 40C20687...

Page 75: ...860 87C3504 ZW CRT SOCKET QQ FOCUS 1 1043 N A 96C 29 8 H S TUBE 5 1044 N A 705A773ZR5603V IC802 ASS Y 1 1045 PL 00002759 6C 31 4 BRASS 3 1046 N A 715C1016 1 6 CRPC 1 1047 N A 2C6003 1 SCREW NUT 1 1048...

Page 76: ...N A 67C 309222 3 2200UF 20 16V C411 1 31 N A 64C700J1040AT 0 1uF 50V 5 C413 1 32 N A 64C178J474 1T C121X 0 47UF 100V 5 C414 1 33 N A 64C 44J4721AT 4700PF 100V PEI C415 1 34 N A 63C210J2242CC 0 22UF 5...

Page 77: ...1UF 250V C828 1 99 N A 67C 305470 9 47UF 20 100V C829 1 100 N A 65C517M103 3T692110NF 500V C831 1 101 N A 65C 450103 3T 0 01UF 80 20 50V C834 1 102 N A 65C 2K471 5A6921 470PF 2KV 10 Y5P C835 1 103 N...

Page 78: ...D101 1 168 E D 0403 0531 93A 64 1152T DIODE 1N4148 D102 1 169 E D 0403 0531 93A 64 1152T DIODE 1N4148 D110 1 170 E 00003625 95C 90 23 JUMPER D113 0 171 E 00003625 95C 90 23 JUMPER D401 0 172 N A 93C1...

Page 79: ...A FERRITE BEAD 3 5 1 5 DF904 2 238 N A 71C 55 2 A A FERRITE BEAD 3 5 1 5 DF919 1 239 N A 71C 55 2 A FERRITE BEAD 6 5 5 1 7 DF923 1 240 N A 71C 55 2 A A FERRITE BEAD 3 5 1 5 DF925 1 241 A 00002680 89C4...

Page 80: ...00003625 95C 90 23 JUMPER J027 0 304 E 00003625 95C 90 23 JUMPER J028 0 305 E 00003625 95C 90 23 JUMPER J029 0 306 E 00003625 95C 90 23 JUMPER J030 0 307 E 00003625 95C 90 23 JUMPER J032 0 308 E 0000...

Page 81: ...0 374 E 00003625 95C 90 23 JUMPER J107 0 375 E 00003625 95C 90 23 JUMPER J108 0 376 E 00003625 95C 90 23 JUMPER J109 0 377 E 00003625 95C 90 23 JUMPER J110 0 378 E 00003625 95C 90 23 JUMPER J111 0 379...

Page 82: ...ET Q426 1 443 E 00004066 57C 600 14 MOSFET Q428 1 444 E 00004066 57C 600 14 MOSFET Q431 1 445 E 00002731 57C 419 PP T 2PC945 Q701 1 446 N A 57C 498 1 T BF423 Q705 1 447 N A 57C 708 1 T 2SC4002E Q742 1...

Page 83: ...512 N A 61C 60233252T CFR 3 3K OHM 5 1 6W R409 1 513 N A 61C 60222152T CFR 220 OHM 5 1 6W R410 1 514 N A 61C 17210452T CFR100K OHM 5 1 4W R411 1 515 N A 61C 60210152T CFR 100 OHM 5 1 6W R412 1 516 E 0...

Page 84: ...CFR 2 2KOHM 5 1 4W R703 1 581 N A 61A214Y12552T MGFR 1 2MOHM 5 1 4W R704 1 582 N A 61C 17213352T CFR 13K OHM 5 1 4W R705 1 583 N A 61C 60233252T CFR 3 3K OHM 5 1 6W R706 1 584 N A 61C 60230052T CFR 30...

Page 85: ...291352T CFR 91K OHM 5 1 6W R910 1 650 E 00003625 95C 90 23 JUMPER R911 0 651 N A 61C 17247352T CFR 47K OHM 5 1 4W R912 1 652 N A 61C 60222252T CFR 2 2K OHM 5 1 6W R913 1 653 N A 61C 17218252T CFR 1 8K...

Page 86: ...93C 3951352T HZ6C2 E ZD103 1 716 E 00003628 93C 3951652T TZX5V1B ZD104 1 717 N A 93C 3951352T HZ6C2 E ZD106 1 718 E 00003628 93C 3951652T TZX5V1B ZD107 1 719 N A 93C 396V1 V TZX6V2B ZD110 1 720 N A 93...

Page 87: ...004666 750A1697504JAG DEGAUSSING COIL 1 787 N A W33C4445 FJ A KEY PAD 1 788 N A AMP773Z1NVW MAIN BOARD P773Z 1VSC 1 789 B VB 0202 0304 CRP773Z1NVW CRT BOARD P773Z 1VSC 1 790 N A 15C5640 1 A B GND LUG...

Page 88: ...1 837 N A 90C6118 1 HEAT SINK 1 838 N A M1C1730 6128 SCREW M3x6 1 839 N A 9C 203 9 PIN 1 840 HW 00004381 15C5659503 REAR BRACKET 1 841 N A B1C1140 6128 SCREW 1 842 N A 32C3028 8 MICA 1 843 N A 90C 365...

Page 89: ...Model E70f 5 E70fB 5 E70fSB 5 Title Date Rev 8 Exploded Diagram And Spare Parts List ViewSonic Corporation Confidential Do Not Copy E70f 5_E70fB 5_E70fSB 5 86...

Page 90: ...1C1035 10 128 SCREW M3 5X10 1 PCS 13 N A M1C1130 8 128 SCREW M3X8 2 PCS 14 E 00002863 79A 763 BG 7 FBT T402 1 PCS 15 N A 90C6055 500 HEAT SINK Q403 Q406 D408 1 PCS 16 N A 5C6006 050 75S RUBBER WASHER...

Page 91: ...12 HW 00004197 B1C1035 10 128 SCREW M3 5X10 1 13 N A M1C1130 8 128 SCREW M3X8 2 14 E 00002863 79A 763 BG 7 FBT T402 1 15 N A 90C6055 500 HEAT SINK Q403 Q406 D408 1 16 N A 5C6006 050 75S RUBBER WASHER...

Page 92: ...197 B1C1035 10 128 SCREW M3 5X10 1 PCS 13 N A M1C1130 8 128 SCREW M3X8 2 PCS 14 E 00002863 79A 763 BG 7 FBT T402 1 PCS 15 N A 90C6055 500 HEAT SINK Q403 Q406 D408 1 PCS 16 N A 5C6006 050 75S RUBBER WA...

Page 93: ...035 10 47 SCREW M3 5X10 1 PCS 13 N A M1C1130 8 128 SCREW M3X8 2 PCS 14 E 00002863 79A 763 BG 7 FBT T402 1 PCS 15 N A 90C6055 500 HEAT SINK Q403 Q406 D408 1 PCS 16 N A 5C600605075S RUBBER WASHER 4 PCS...

Page 94: ...402 T401 Hor Driver Focus HV Q403 T402 HOR O P Q907 Q908 Q909 Q910 Power Saving Q404 Q405 Q406 Pincushion H Size Control IC 601 TDA4863 Vert O P X Ray Protection G1 Control Q705 Circuit G2 G1 On Scree...

Page 95: ...ied Smoothed VC 8 3 6 2 Control PWM Ic901 F B O P Q901 Power Mosfet L906 VARI Transformer Power On Of Switch R929 IS LIN FILTER Q911 Power Mosfet B PWM Ic401 Q912 Q920 From H O T H SYN Control H SYN C...

Page 96: ...42 NC 19 NC 20 HE 21 NC 35 IC102 M24C08 WBN6 WRITE Cycle in Progress Next Operation is Addressing the Memory START Condition DEVICE SELECT with RW 0 ACK Returned YES NO YES NO ReSTART STOP DATA for t...

Page 97: ...GISTERS PROTECTION AND SOFT START X RAY PROTECTION HORIZONTAL OUTPUT STAGE B CONTROL 22 k 3 3 k 100 nF 8 2 nF 150 nF 1 X RAY 10 nF RHBUF 2 RHREF 1 1 B CONTROL APPLICATION 2 TTL level TTL level 9 2 to...

Page 98: ...Schematic Diagram Connection Diagram Note Tab is at GND FIGURE 2 Top View LM2470 IC802 LM2470TA IC801 LM1246 Block Diagram ViewSonic Corporation Confidential Do Not Copy E70f 5_E70fB 5_E70fSB 5 95...

Page 99: ...C S 1 3 AMP ERR LOGLC RESET SET Vref 5V BIAS INTERNAL 7 DIFFERENTIAL INPUT STAGE THERMAL AND SOAR PROTECTION VERTICAL OUTPUT FLYBACK GENERATOR REFERENCE CIRCUIT TDA4863 5 4 6 1 2 3 INP VP1 VP3 or VFB...

Page 100: ...W R422 100 1 6W R708 5K1 C743 1 0UF R968 1K2 1 4W R421 22K VR903 100 CN901 1 2 C828 0 1 L805 R809 10K 1 C818 0 1 R601 24K 1 4W C930 NC R912 47K 1 4W IC401 TDA4841 1 2 3 4 27 28 29 30 5 6 7 8 9 10 11 1...

Page 101: ...11 PCB Layout Diagrams ViewSonic Corporation Confidential Do Not Copy E70f 5_E70fB 5_E70fSB 5 98...

Page 102: ...Video Board Layout ViewSonic Corporation Confidential Do Not Copy E70f 5_E70fB 5_E70fSB 5 99...

Page 103: ...on 4 Circuit Description 5 Adjustment Procedure 6 Troubleshooting Flow Chart 7 Recommended Spare Parts List 8 Exploded Diagram and Exploded Parts List 9 Block Diagrams 10 Schematic Diagrams 11 PCB Lay...

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