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ViewSonic E70FSB-2 - E 70F+SB - 17" CRT Display Service Manual

17” digital controlled color monitor
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Service Manual

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 - (800) 888-8583

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Summary of Contents for ViewSonic E70FSB-2 - E 70F+SB - 17" CRT Display

  • Page 1: Service Manual

    Service Manual 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 - (800) 888-8583...

  • Page 2: Revision History

    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 ViewSonic Corporation Confidential – Do Not Copy E70f-5_E70fB-5_E70fSB-5...

  • 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. ViewSonic Corporation Confidential – Do Not Copy E70f-5_E70fB-5_E70fSB-5...
  • 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. ViewSonic Corporation Confidential – Do Not Copy E70f-5_E70fB-5_E70fSB-5...

  • Page 6: Specification

    30KHz ~ 70KHz Vertical: 50 Hz ~ 160 Hz Factory Preset Timings: 12 User Timings: 20 Misconvergence A Zone: 0.25 mm Max. B Zone: 0.30 mm Max. C Zone 0.35 mm Max ViewSonic Corporation Confidential – Do Not Copy E70f-5_E70fB-5_E70fSB-5...
  • Page 7 Subpart J X-Ray Protection, CSA 22.2/cUL950, ICES-003 Class B, CB, EMC/CE, TUV/GS, NEMKO, SEMKO, DEMKO, FIMKO, Gost-R, PCBC, SASO, Energy Star 15.2 International CB, MPRII, CE 15.3 Power Management Power Management Amendment to EnergyStar Version 2 MOU, dated ViewSonic Corporation Confidential – Do Not Copy E70f-5_E70fB-5_E70fSB-5...

  • Page 8: Operating Instructions

    This monitor has power saving function following the VESA DPMS. Be sure to connect the signal cable to the PC. If your color display requires service, it must be returned with the power cord. ViewSonic Corporation Confidential – Do Not Copy E70f-5_E70fB-5_E70fSB-5...

  • Page 9: Front Panel Function Control Description

    Main Menu Power On/Off Scroll through menu Displays control screen for options and adjust the highlighted control (or pair displayed control of controls). Also, toggles between pairs of controls on some control screens ViewSonic Corporation Confidential – Do Not Copy E70f-5_E70fB-5_E70fSB-5...
  • Page 10 Press button [2] to toggle to the next control in the pair. To adjust the selected control, such as in the sample below, CONTRAST press the arrow buttons. BRIGHTNESS To save the control setting and Exit the menu press button [1] twice. ViewSonic Corporation Confidential – Do Not Copy E70f-5_E70fB-5_E70fSB-5...
  • Page 11 Trapezoid until they have equal length. slants the vertical edges of the screen image until Parallel they are parallel. rotates the entire screen image. Tilt ViewSonic Corporation Confidential – Do Not Copy E70f-5_E70fB-5_E70fSB-5...
  • Page 12 User Color control. allows you to move the on-screen display OSD Position menus and control screens. displays the frequencies (horizontal and ViewMeter vertical) coming from the graphics card of the computer. ViewSonic Corporation Confidential – Do Not Copy E70f-5_E70fB-5_E70fSB-5...

  • Page 13: Circuit Description

    Pin12 is output a blanking signal to cut off external R.G.B signals of VGA while this chip is displaying characters or windows. Pin13, Pin14, Pin15 is used to output the OSD (B.G.R) video signal. ViewSonic Corporation Confidential – Do Not Copy E70f-5_E70fB-5_E70fSB-5...
  • Page 14 Pin12, 13 ( VOUT 12, 13) are floating Vertical Oscillator The vertical free –running frequency is determined by the resistor C613 at pin24. Usually the free-running frequency should be lower than the minimum trigger frequency. ViewSonic Corporation Confidential – Do Not Copy E70f-5_E70fB-5_E70fSB-5...
  • Page 15 Turn-on at Power ON/OFF and Change Mode to Protect Hor.Block Q402 HOR. Driver Transistor Q426 Horizontal s correction control MOSFET Q404, Q405 As Differential Amp. to Drive Q406 Q406 Transistor for H-Size Control Q705 Brightness Control CKT ViewSonic Corporation Confidential – Do Not Copy E70f-5_E70fB-5_E70fSB-5...

  • Page 16: Adjusting Procedure

    MENU Key until the OSD window changed to the Factory preset window. C. The Factory preset window contains the following functional controls. Select one of the control. Then press the Up/Down Key to adjust its value for the optimum picture. ViewSonic Corporation Confidential – Do Not Copy E70f-5_E70fB-5_E70fSB-5...
  • Page 17 (b) Brightness set to raster just cutoff and set the contrast to max. Adjust G-Gain , B-Gain , R-Gain , to make color temperature x=283 ± 10, y=298 ± 10. Y=155±10cd/m². ViewSonic Corporation Confidential – Do Not Copy E70f-5_E70fB-5_E70fSB-5...
  • Page 18 F. Vertical green and magenta lines are converged by varying the angle between the two tabs of the 6-pole magnets. G. Horizontal green and magenta lines are converged by varying the two tabs together, keeping the angle between them constant. ViewSonic Corporation Confidential – Do Not Copy E70f-5_E70fB-5_E70fSB-5...

  • Page 19: Trouble Shooting Flow Chart

    CHECK FBT BRIGHTNESS SET TO MAX. CHECK CRT G1 VOLTAGE CHECK BRIGHTNESS CIRCUIT CHECK BRIGHTNESS Q705 RELATIVE CKT. Q705 RELATIVE CKT. CHECK VOLTAGE OF THE CATHODE ABOUT 65V TO REFER ITEM 6-2 "ABNORMAL ViewSonic Corporation Confidential – Do Not Copy E70f-5_E70fB-5_E70fSB-5...
  • Page 20 2. ABNORMAL DDC (PLUG & PLAY) CHECK IC101 PIN 5 VOLTAGE ABOUT CHECK IC101 PIN 5 VOLTAGE ABOUT 5V CHECK Q921 GOOD OR FAIL CHECK SIGNAL CABLE OUTPUT OR H802 PIN 2, 3 DATA OUTPUT ViewSonic Corporation Confidential – Do Not Copy E70f-5_E70fB-5_E70fSB-5...
  • Page 21 CHECK THE VOLTAGE OF CATHODE ABOUT CHECK THE RELATIVE CIRCUIT CHECK THE VOLTAGE OF FBT ABOUT 400V TO LESS THAN 400V CHECK FBT RELATIVE EXCEED 700V CHECK FBT & CRT RELATIVE OR REFER ITEM ViewSonic Corporation Confidential – Do Not Copy E70f-5_E70fB-5_E70fSB-5...
  • Page 22 CHECK IC401 PIN 26~29, RELATIVE CIRCUIT CHECK THE COLLECTOR OF Q402 ABOUT CHECK Q402, RELATIVE CIRCUIT CHECK THE COLLECTOR OF Q403 ABOUT 1200Vpp AT CHECK T401,T402,Q402,Q403,CD408,D408, CHECK T401, T402, Q402, C418,C419,H-DY,B+ D408, C418, C419, H-DY, ViewSonic Corporation Confidential – Do Not Copy E70f-5_E70fB-5_E70fSB-5...
  • Page 23 ABOUT 65V AT CHECK THE CIRCUIT OF CHECK THE HV CRT ABOUT 25.5KV 24.5KV 2. ABNORMAL HORIZONTAL VIDEO CENTER CHECK IC401 PIN 29 RELATIVE CIRCUIT 3. ABNORMAL HORIZONTAL LINEARITY CHECK L401, Q426, Q428,Q431 ViewSonic Corporation Confidential – Do Not Copy E70f-5_E70fB-5_E70fSB-5...
  • Page 24 RELATIVE CKT 6-7 SIDE-PIN CUSHION DISTORTION READJUST SIDEPIN CHECK IC401, Q404, Q405, Q406 RELATIVE CKT. 6-8 POOR FOCUS READJUST FOCUS CONTROL CHECK FOCUS CONTROL UNIT, FOCUS LEAD WIRE, CRT SOCKET & CRT ViewSonic Corporation Confidential – Do Not Copy E70f-5_E70fB-5_E70fSB-5...

  • Page 25: Viewsonic Corporation

    CHECK START C.K.T R923 R924, D911, D917 R904, Q906 CHECK Q911 Q911 FAILURE CHECK T901 O/P IC401,10(ABOUT 11.5V) Check 78V, 59.5V, 14V CHECK Q901 6.3V, -12VCIRCUIT OUTPUT CHECK IC901 IC901 FAILURE CHECK Q901 ViewSonic Corporation Confidential – Do Not Copy E70f-5_E70fB-5_E70fSB-5...

  • Page 26: Recommended Spare Parts List

    All revised RSPLs with newly added items or any change made should be highlighted and correlated with the ECN/ECR approved by ViewSonic Corporation. This is to eliminate repeated cross checks of each item between this version and prior versions. ViewSonic Corporation Confidential –...
  • Page 27 All revised RSPLs with newly added items or any change made should be highlighted and correlated with the ECN/ECR approved by ViewSonic Corporation. This is to eliminate repeated cross checks of each item between this version and prior versions. ViewSonic Corporation Confidential –...
  • Page 28 All revised RSPLs with newly added items or any change made should be highlighted and correlated with the ECN/ECR approved by ViewSonic Corporation. This is to eliminate repeated cross checks of each item between this version and prior versions. ViewSonic Corporation Confidential –...
  • Page 29 Remark 2: All revised RSPLs with newly added items or any change made should be highlighted and correlated with the ECN/ECR approved by ViewSonic Corporation. This is to eliminate repeated cross checks of each item between this version and prior versions.
  • Page 30 All revised RSPLs with newly added items or any change made should be highlighted and correlated with the ECN/ECR approved by ViewSonic Corporation. This is to eliminate repeated cross checks of each item between this version and prior versions. ViewSonic Corporation Confidential –...
  • Page 31 All revised RSPLs with newly added items or any change made should be highlighted and correlated with the ECN/ECR approved by ViewSonic Corporation. This is to eliminate repeated cross checks of each item between this version and prior versions. ViewSonic Corporation Confidential –...
  • Page 32 All revised RSPLs with newly added items or any change made should be highlighted and correlated with the ECN/ECR approved by ViewSonic Corporation. This is to eliminate repeated cross checks of each item between this version and prior versions. ViewSonic Corporation Confidential –...
  • Page 33 BOM LIST (E70f-5) ViewSonic Model Number: VCDTS22355-5M Rev: 1a Item ViewSonic P/N Ref. P/N Description Location Universal number# Q'ty TACT SWITCH TSVB-2-T-NP #N/A 77C 602 1 CJ (SW103) #N/A 77C 602 1 CJ TACT SWITCH TSVB-2-T-NP <SW103> #N/A 77C 602 1 CJ TACT SWITCH TSVB-2-T-NP <SW104>...
  • Page 34 Item ViewSonic P/N Ref. P/N Description Location Universal number# Q'ty #N/A 64C178J823 1T CL21X 0.082UF 100V +-5% C610 #N/A 64C701J2240AT 0.22uF/50V +-5% C611 #N/A 64C176J104 1T C613 0.1UF 5% 100V E-C-0404-4629 65C 44210113T 100PF +-5% NPO 50V C614 65C 1K471 5T6921 470PF +-10% 1KV Y5P...
  • Page 35 Item ViewSonic P/N Ref. P/N Description Location Universal number# Q'ty 10UF +-20% 50V #N/A 67C 309100 7T C925 #N/A 67C 309229 7T 2.2UF +-20% 50V C926 #N/A 65C 1K331 5T6052 330PF/1KV Y5P+-10% C927 #N/A 67C 309470 7T 47UF +-20% 50V...
  • Page 36 Item ViewSonic P/N Ref. P/N Description Location Universal number# Q'ty BAV20 #N/A 93C 6431T52T D852 #N/A 93C 6450152T SWITCHING DIODE BAV21 D852 #N/A 93C 6431T52T BAV20 D853 #N/A 93C 6450152T SWITCHING DIODE BAV21 D853 BAV20 #N/A 93C 6431T52T D854 #N/A...
  • Page 37 Item ViewSonic P/N Ref. P/N Description Location Universal number# Q'ty TDA4841PS/PHILIPS E-00002873 56C 552 2 IC401 E-00002874 56C 584 1A TDA4863A/PHILIPS IC601 E-IC-0401-4019 56C 366509 LM1246DKA/NA/NOPB IC801 E-00002697 56C 551 524 Amplier IC:LM2465TA IC802 LM2480NA/NOPB E-IC-0401-2060 56C 539 6 IC803...
  • Page 38 Item ViewSonic P/N Ref. P/N Description Location Universal number# Q'ty JUMPER E-00003625 95C 90 23 J076 E-00003625 95C 90 23 JUMPER J077 E-00003625 95C 90 23 JUMPER J078 E-00003625 95C 90 23 JUMPER J079 JUMPER E-00003625 95C 90 23 J080...
  • Page 39 Item ViewSonic P/N Ref. P/N Description Location Universal number# Q'ty 0.22UH +-10% #N/A 73C 5422810T L850 #N/A 73C 5422810T 0.22UH +-10% L851 #N/A 73C 5422810T 0.22UH +-10% L852 #N/A 73A 174 7 G6852 LINE FILTER L901 73A 174 7 G6906 LINE CHOKE...
  • Page 40 Item ViewSonic P/N Ref. P/N Description Location Universal number# Q'ty R123 E-00003625 95C 90 23 JUMPER #N/A 61C 21039252T MFR 3.9K OHM +- 1% 1/6W R125 #N/A 61C 17220252T CFR 2KOHM+-5% 1/4W R126 #N/A 61C 21039252T MFR 3.9K OHM +- 1% 1/6W...
  • Page 41 Item ViewSonic P/N Ref. P/N Description Location Universal number# Q'ty R471 #N/A 61C 60256352T CFR 56K OHM +-5% 1/6W #N/A 61C 17222452T CFR 220KOHM+-5% 1/4W R472 E-00003625 95C 90 23 JUMPER R473 #N/A 61C 17210452T CFR100K OHM +-5% 1/4W R474...
  • Page 42 Item ViewSonic P/N Ref. P/N Description Location Universal number# Q'ty R835 E-00003627 61C153M129 59 MOFR 1.2OHM+-5% 3W #N/A 61C 17212152T CFR 120 OHM +-5% 1/4W R854 #N/A 61C 17212152T CFR 120 OHM +-5% 1/4W R855 #N/A 61C 17218152T CFR 180 OHM +-5% 1/4W...
  • Page 43 Item ViewSonic P/N Ref. P/N Description Location Universal number# Q'ty R989 #N/A 61C152M471 64 MOFR 470 OHM +-5% 2W #N/A 61C152M121 64 MOFR 120 OHM +-5% 2W R991 #N/A 77C 260 5 2W RELAY OSA-SS-212DM5 RY901 #N/A 62C 10 16 J...
  • Page 44 Item ViewSonic P/N Ref. P/N Description Location Universal number# Q'ty P-00004385 45C 88 7 RN Monitor PE BAG #N/A 50C 500500 CABLE TIE #N/A 50C 502 2 PLASTIC TIE #N/A 50C 502 5 CABLE TIE #N/A 51C 6 4 SILICON...
  • Page 45 Item ViewSonic P/N Ref. P/N Description Location Universal number# Q'ty #N/A B1C1140 6128 SCREW #N/A 32C3028 8 MICA #N/A 90C 365506 A HEAT SINK #N/A M1C1730 10128 SCREW M3x10 #N/A 90C6118 1 HEAT SINK #N/A M1C1730 6128 SCREW M3x6 #N/A...
  • Page 46 BOM LIST (E70fB-5M) ViewSonic Model Number: VCDTS22355-5M Rev: 1a Serial No. Prefix: 26F Item ViewSonic P/N Ref. P/N Description Location Universal number# Q'ty B-00004654 CMP773Z1NVOL1 CHASSIS FOR P773Z-1 VSC #N/A 1C 503503 47 SCREW FOR CRT #N/A 5C600605075S CRT WASHER...
  • Page 47 Item ViewSonic P/N Ref. P/N Description Location Universal number# Q'ty LPDKV 17" EZ BT CRT #N/A 750C5L458AV E750A #N/A 750C5X115AV E750A CPT 17" RF 0.18 P2 HB C #N/A 750C5X155AV E750A CPT 17" RF 0.18 P2 HB C #N/A W33C4445 E7 A KEY PAD...
  • Page 48 Item ViewSonic P/N Ref. P/N Description Location Universal number# Q'ty 47UF +-20% 200V #N/A 67C 305470 11 C439 #N/A 67C 309102 3 1000UF +-20% 16V C938 #N/A 67C 309222 3 2200UF +-20% 16V C411 #N/A 71C 55 2 A FERRITE BEAD 6.5*5*1.7 DF923 A FERRITE BEAD 3*5*1.5...
  • Page 49 Item ViewSonic P/N Ref. P/N Description Location Universal number# Q'ty 705A763ZC8701A AC ASS'Y #N/A #N/A 705A773ZC5602P IC601 ASS'Y #N/A 705A773ZC5707A Q431 ASS'Y #N/A 705A773ZC9301V D919 ASS'Y EYELET #N/A 6C 31500 #N/A 6C 31501 BRASS #N/A 6C 31502 BRASS #N/A 715C1008 4 1...
  • Page 50 Item ViewSonic P/N Ref. P/N Description Location Universal number# Q'ty JUMPER E-00003625 95C 90 23 J064 E-00003625 95C 90 23 JUMPER J065 E-00003625 95C 90 23 JUMPER J066 E-00003625 95C 90 23 JUMPER J068 JUMPER E-00003625 95C 90 23 J069...
  • Page 51 Item ViewSonic P/N Ref. P/N Description Location Universal number# Q'ty JUMPER E-00003625 95C 90 23 R911 E-00003625 95C 90 23 JUMPER R947 E-00003625 95C 90 23 JUMPER R955 E-00003625 95C 90 23 JUMPER ZD701 61A212Y10552T MGFR 1M OHM+-5% 1/2W E-R-0405-6779...
  • Page 52 Item ViewSonic P/N Ref. P/N Description Location Universal number# Q'ty MFR 1.3K OHM +- 1% 1/6W #N/A 61C 21013252T R414 #N/A 61C 21015352T MFR 15K OHM +- 1% 1/6W R146 #N/A 61C 21015352T MFR 15K OHM +- 1% 1/6W R149...
  • Page 53 Item ViewSonic P/N Ref. P/N Description Location Universal number# Q'ty R451 #N/A 61C 60247252T CFR 4.7K OHM+-5% 1/6W #N/A 61C 60247252T CFR 4.7K OHM+-5% 1/6W R465 #N/A 61C 60247252T CFR 4.7K OHM+-5% 1/6W R475 #N/A 61C 60247252T CFR 4.7K OHM+-5% 1/6W...
  • Page 54 Item ViewSonic P/N Ref. P/N Description Location Universal number# Q'ty D415 #N/A 93C 64 1152T IN4148 #N/A 93C 64 1152T IN4148 D420 #N/A 93C 64 1152T IN4148 D431 #N/A 93C 64 1152T IN4148 D450 D460 #N/A 93C 64 1152T IN4148...
  • Page 55 Item ViewSonic P/N Ref. P/N Description Location Universal number# Q'ty C436 #N/A 64C176J473 1T 0.047UF 100V #N/A 64C176J474 1T .47UF +-5% 100V C405 #N/A 64C176J474 1T .47UF +-5% 100V C414 #N/A 64C176J823 1T .082UF +-5% 100V C610 C401 #N/A 64C178J104 0T CL21X0.1UF 63V +-5%...
  • Page 56 Item ViewSonic P/N Ref. P/N Description Location Universal number# Q'ty C605 #N/A 67C 305471 3T6366 470UF +-20% 16V #N/A 67C 305471 3T6366 470UF +-20% 16V C937 #N/A 67C 305471 3T6366 470UF +-20% 16V C939 #N/A 67C 305471 3T6371 470UF +-20% 16V...
  • Page 57 Item ViewSonic P/N Ref. P/N Description Location Universal number# Q'ty R854 #N/A 61C 17212152T CFR 120 OHM +-5% 1/4W #N/A 61C 17212152T CFR 120 OHM +-5% 1/4W R855 #N/A 61C 17218152T CFR 180 OHM +-5% 1/4W R856 #N/A 61C 17222452T...
  • Page 58 Item ViewSonic P/N Ref. P/N Description Location Universal number# Q'ty D856 #N/A 93C 6431T52T BAV20 #N/A 93C 6431T52T BAV20 D857 #N/A 93C 6431T52T BAV20 D858 #N/A 93C 6450152T SWITCHING DIODE BAV21 D850 D851 #N/A 93C 6450152T SWITCHING DIODE BAV21 #N/A...
  • Page 59 Item ViewSonic P/N Ref. P/N Description Location Universal number# Q'ty E750A #N/A 750A5C115AV CPT 17" 0.18 HB BT CRT E-00004668 750A5C15EAV CPT 17" RF TCO BT CRT E750A #N/A 750C5X115AV CPT 17" RF 0.18 P2 HB C E750A #N/A 33C3192 4...
  • Page 60 Item ViewSonic P/N Ref. P/N Description Location Universal number# Q'ty C704 #N/A 67C 60109 7T 1UF +-20% 50V E-00004341 79A 763 BG 1 T402 #N/A 65C 44256013T 56PF +-5% NPO 50V C808 #N/A 67C 70109 7T 1UF +-20% 50V C815...
  • Page 61 BOM LIST (E5fSB-5E) ViewSonic Model Number: VCDTS22355-5E Rev: 1a Serial No. Prefix: PJ8 Item ViewSonic P/N Ref. P/N Description Location Universal number# Q'ty #N/A 77C 602 1 CJ TACT SWITCH TSVB-2-T-NP (SW103) TACT SWITCH TSVB-2-T-NP #N/A 77C 602 1 CJ <SW103>...
  • Page 62 Item ViewSonic P/N Ref. P/N Description Location Universal number# Q'ty #N/A 63C210J2243CU .22U 400V C425 #N/A 63C210J1242CC C426 0.12UF 250V #N/A 63C210J1242CU 0.12UF 250V C426 #N/A 67C 309100 7T 10UF +-20% 50V C427 C121X 0.047UF 250V +-5% #N/A 64C178J473 2T C428 0.1UF +80-20% 50V Y5V...
  • Page 63 Item ViewSonic P/N Ref. P/N Description Location Universal number# Q'ty #N/A 65C 44212013T 12PF J NPO 50V C808 #N/A 65C 44256013T 56PF +-5% NPO 50V C808 #N/A 65C 44256013T 56PF +-5% NPO 50V C808 #N/A 67C 60479 7T C809 4.7UF +-20% 50V...
  • Page 64 Item ViewSonic P/N Ref. P/N Description Location Universal number# Q'ty #N/A 65C517M103 3T6213 10NF/500V Z5U +-20% C922 #N/A 65C 2K151 5T6921 150P/2KV C923 #N/A 64C700J3320AT 3.3nF/50V +-5% C924 #N/A 67C 309100 7T 10UF +-20% 50V C925 2.2UF +-20% 50V #N/A...
  • Page 65 Item ViewSonic P/N Ref. P/N Description Location Universal number# Q'ty E-00003625 95C 90 23 JUMPER D704 #N/A 61C 21091152T MFR 910OHM +-1% 1/6W D705 #N/A 93C 6044T52T RECTIFIER DIODE FR157S D707 E-D-0403-1005 93C1040 252T UF4004 D740 F.R.D TBA157 1A/400V #N/A...
  • Page 66 Item ViewSonic P/N Ref. P/N Description Location Universal number# Q'ty #N/A 71C 55 2 A A FERRITE BEAD 3*5*1.5 DF902 #N/A 71C 55 2 A A FERRITE BEAD 3*5*1.5 DF903 #N/A 71C 55 2 A A FERRITE BEAD 3*5*1.5 DF904...
  • Page 67 Item ViewSonic P/N Ref. P/N Description Location Universal number# Q'ty E-00003625 95C 90 23 JUMPER J011 E-00003625 95C 90 23 JUMPER J012 E-00003625 95C 90 23 JUMPER J013 E-D-0403-2800 93C1002 1P52T 1N5817 J014 1N5817 #N/A 93C1002 1W52T J014 JUMPER E-00003625...
  • Page 68 Item ViewSonic P/N Ref. P/N Description Location Universal number# Q'ty E-00003625 95C 90 23 JUMPER J092 E-00003625 95C 90 23 JUMPER J093 E-00003625 95C 90 23 JUMPER J094 E-00003625 95C 90 23 JUMPER J095 J096 E-00003625 95C 90 23 JUMPER...
  • Page 69 Item ViewSonic P/N Ref. P/N Description Location Universal number# Q'ty C-00004655 34C 739 FK 1T BACK COVER M034 #N/A 61C 58301 WT NTCR 300OHM +-5%3800K T NR440 #N/A 61C 58301 WT NTCR 300OHM +-5%3800K T NR440 #N/A 61C 58301 WT...
  • Page 70 Item ViewSonic P/N Ref. P/N Description Location Universal number# Q'ty #N/A 61C 60247252T CFR 4.7K OHM+-5% 1/6W R101 #N/A 61C 60210152T CFR 100 OHM+-5% 1/6W R102 #N/A 61C 60210152T CFR 100 OHM+-5% 1/6W R103 #N/A 61C 60210052T CFR 10 OHM +-5% 1/6W...
  • Page 71 Item ViewSonic P/N Ref. P/N Description Location Universal number# Q'ty #N/A 61C153M918 59 MOFR 0.91 OHM +-5% 3W R428 #N/A 61C175L10052T CFR 10 OHM +-5% 1/2W R429 #N/A 61C 60210352T CFR 10K OHM+-5% 1/6W R431 #N/A 61C 60210152T CFR 100 OHM+-5% 1/6W...
  • Page 72 Item ViewSonic P/N Ref. P/N Description Location Universal number# Q'ty #N/A 61A212Y30452T MGFR 300K OHM +-5% 1/2W R725 #N/A 61C 60210252T CFR 1K OHM+-5% 1/6W R726 E-00003625 95C 90 23 JUMPER R730 E-00003625 95C 90 23 JUMPER R734 R735 #N/A...
  • Page 73 Item ViewSonic P/N Ref. P/N Description Location Universal number# Q'ty #N/A 61C 60210252T CFR 1K OHM+-5% 1/6W R933 #N/A 61C 60213252T CFR 1.3K OHM +-5% 1/6W R934 #N/A 61C 17233452T CFR 330K OHM +-5% 1/4W R935 #N/A 61C 17215152T CFR 150 OHM +-5% 1/4W...
  • Page 74 Item ViewSonic P/N Ref. P/N Description Location Universal number# Q'ty #N/A 93C 3951752T TZX6V2C ZD106 E-00003628 93C 3951652T TZX5V1B ZD107 #N/A 93C 396V1 V TZX6V2B ZD110 #N/A 93C 3952952T HZ2B2-E ZD403 ZD410 E-00003628 93C 3951652T TZX5V1B ZD420 E-D-0403-1952 93C 3952252T...
  • Page 75 Item ViewSonic P/N Ref. P/N Description Location Universal number# Q'ty 1018 #N/A 71C 55 2 A A FERRITE BEAD 3*5*1.5 1019 #N/A 71C 100 8 FERRITE CORE 12*25*15 1020 HW-00002758 D1C1140 7128 SCREW 4X7(FOR AC) 1021 HW-00004380 M1C1140 6128 SCREW...
  • Page 76 BOM LIST (E70fSB-5EM / P) ViewSonic Model Number: VCDTS22355-5E/P Rev: 1a Serial No. Prefix: PU9 / PU0 Item ViewSonic P/N Ref. P/N Description Location Universal number# Q'ty #N/A 77C 602 1 CJ TACT SWITCH TSVB-2-T-NP (SW103) #N/A 77C 602 1 CJ TACT SWITCH TSVB-2-T-NP <SW103>...
  • Page 77 Item ViewSonic P/N Ref. P/N Description Location Universal number# Q'ty 67C 305471 3T6371 470UF +-20% 16V #N/A C605 #N/A 67C 309470 7T 47UF +-20% 50V C606 #N/A 65C 444152 5T C607 1500PF 10% Y5P 50V #N/A 64C178J823 1T CL21X 0.082UF 100V +-5% C610 0.22uF/50V +-5%...
  • Page 78 Item ViewSonic P/N Ref. P/N Description Location Universal number# Q'ty 1000PF 100V PEI #N/A 64C 44J1021AT C920 #N/A 64C700J1040AT 0.1uF/50V +-5% C921 #N/A 65C517M103 3T621310NF/500V Z5U +-20% C922 #N/A 65C 2K151 5T6921 150P/2KV C923 3.3nF/50V +-5% #N/A 64C700J3320AT C924 #N/A...
  • Page 79 Item ViewSonic P/N Ref. P/N Description Location Universal number# Q'ty DIODE 1N4148 E-D-0403-0531 93A 64 1152T D806 E-00003625 95C 90 23 JUMPER D810 #N/A 93C 52 9T52T 2A 600V 2A05 D817 #N/A 93C 6431T52T BAV20 D850 BAV20 #N/A 93C 6431T52T...
  • Page 80 Item ViewSonic P/N Ref. P/N Description Location Universal number# Q'ty TDA4841PS/PHILIPS E-00002873 56C 552 2 IC401 E-00002874 56C 584 1A TDA4863A/PHILIPS IC601 E-IC-0401-4019 56C 366509 LM1246DKA/NA/NOPB IC801 E-00002697 56C 551524 LM2470TA/NOPB IC802 LM2480NA/NOPB E-IC-0401-2060 56C 539 6 IC803 E-00002696 56A 379 12...
  • Page 81 Item ViewSonic P/N Ref. P/N Description Location Universal number# Q'ty JUMPER E-00003625 95C 90 23 J073 E-00003625 95C 90 23 JUMPER J074 E-00003625 95C 90 23 JUMPER J075 E-00003625 95C 90 23 JUMPER J076 JUMPER E-00003625 95C 90 23 J077...
  • Page 82 Item ViewSonic P/N Ref. P/N Description Location Universal number# Q'ty 0.47UH +-10% peaking co #N/A 73C 5447810T L805 #N/A 73C 54109 5T 1uH+-5% peaking ciol L806 #N/A 73C 5468810T 0.68UH +-10% L807 #N/A 71C 55 19 T FERRITE BEAD 9X3.5X0.8 L808 C CORE RF BEAD RH 3.5X6X0...
  • Page 83 Item ViewSonic P/N Ref. P/N Description Location Universal number# Q'ty MFR 16K OHM +- 1% 1/6W #N/A 61C 21016352T R116 #N/A 61C 21010252T MFR 1K OHM +- 1% 1/6W R117 #N/A 61C 60210252T CFR 1K OHM+-5% 1/6W R118 #N/A 61C 21068152T...
  • Page 84 Item ViewSonic P/N Ref. P/N Description Location Universal number# Q'ty R450 #N/A 61C 17210352T CFR 10KOHM +-5% 1/4W #N/A 61C 60247252T CFR 4.7K OHM+-5% 1/6W R451 #N/A 61C 60211252T CFR 1.1K OHM+-5% 1/6W R452 #N/A 61C 17215452T CFR 150K OHM +-5% 1/4W...
  • Page 85 Item ViewSonic P/N Ref. P/N Description Location Universal number# Q'ty R815 #N/A 61C 60210152T CFR 100 OHM+-5% 1/6W #N/A 61C 60282152T CFR 820 OHM +-5% 1/6W R818 #N/A 61C 17282252T CFR 8.2KOHM+-5% 1/4W R821 #N/A 61C 208101 64 MOFR 100OHM+-5% 1W...
  • Page 86 Item ViewSonic P/N Ref. P/N Description Location Universal number# Q'ty R968 #N/A 61C 17230152T CFR 300OHM+-5% 1/4W #N/A 61A214Y82352T MGFR 82K OHM +-5% 1/4W R969 #N/A 61C 60268252T CFR 6.8K OHM+-5% 1/6W R970 #N/A 61C 17210452T CFR100K OHM +-5% 1/4W...
  • Page 87 Item ViewSonic P/N Ref. P/N Description Location Universal number# Q'ty #N/A 40C 58170918D PALLET LABEL #N/A 40C 70P709 3B ID LABEL #N/A 41C 6870913A QUICK SET UP GUIDE P-00004669 44C67A2709 4A Carton (E70FSB-5P) P-00000865 44C67D3 1 EPS CUSHION¡] E70FSB-5E/P) P-00000866...
  • Page 88 Item ViewSonic P/N Ref. P/N Description Location Universal number# Q'ty #N/A M1C1730 8128 SCREW M3x8 M-00002753 87C 501 6 AC SOCKET #N/A 32C3028 8 MICA #N/A 90C 315 1 HEAT SINK #N/A M1C1730 8128 SCREW M3x8 #N/A 5C 71 1...

  • Page 89: Exploded Diagram And Spare Parts List

    Exploded Diagram And Spare Parts List Model E70f-5 / E70fB-5 / E70fSB-5 Title Date Rev: ViewSonic Corporation Confidential – Do Not Copy E70f-5_E70fB-5_E70fSB-5...
  • Page 90 EXPLODED PARTS LIST (E70f-5) ViewSonic Model Number: VCDTS22355-5M Rev: 1a Item ViewSonic P/N Ref. P/N Description Q'ty #N/A 33C4446 -F0- A Power KNOB 1 PCS #N/A W33C4445 -F0 -A Key Pad 1PCS #N/A 33C4449 -F0 -2A OSD KEY 1PCS C-00004586...
  • Page 91 EXPLODED PARTS LIST (E70fB-5M) ViewSonic Model Number: VCDTS22355-5M Rev: 1a Serial No. Prefix: 26F Item ViewSonic P/N Ref. P/N Description Q'ty #N/A 33C4446 -E7 - A Power KNOB #N/A W33C4445- E7 - A Key Pad #N/A 33C4449 -E7 -2A OSD KEY...
  • Page 92 EXPLODED PARTS LIST (E70fSB-5E) ViewSonic Model Number: VCDTS22355-5E Rev: 1a Serial No. Prefix: PJ8 Item ViewSonic P/N Ref. P/N Description Q'ty #N/A 33C4446-FJ- T Power KNOB 1 PCS #N/A W33C4445- FJ -T Key Pad 1PCS #N/A 33C4449 FJ- 2T OSD KEY...
  • Page 93 EXPLODED PARTS LIST (E70fSB-5EM/P) ViewSonic Model Number: VCDTS22355-5EM / P Rev: 1a Serial No. Prefix: PU9 / PU0 Item ViewSonic P/N Ref. P/N Description Q'ty #N/A 33C4446- FJ - A Power KNOB 1 PCS #N/A W33C4445 -FJ - A Key Pad...
  • Page 94 IC 802 IC 801 SIGNAL 25KV LM1246 CABLE LM2470 O/P PRE.AMP. Function KEY On Screen Menu/Exit Display /Up/Down IC801 Control IC 401 IC 101 Q402, T401 Q403,T402 NT68F63 TDA4841 Hor.Driver HOR.O/P Q907,Q908 X-Ray Q909,Q910 Protection Power Saving IC 601 Q404,Q405,Q406 TDA4863 Pincushion&...
  • Page 95 BLOCK DIAGRAM (SMPS) -12V Q909 Output Rectified Q921 Degausses Q918 Rectified & Smoothed & C.K.T Q907 T901 6.3V 6.3V Smoothed Q908 Power Transformer Q913 Start Ry901 Rectified C.K.T & Q904,Q906, Smoothed L906 Q911,Q917 VARI Ic101 From Ic101 Transformer Power Control On/Of Q901 &...

  • Page 96: Ic Block Diagram

    Addressing the Memory Send Address and Receive ACK ReSTART START STOP Condition DATA for the DEVICE SELECT WRITE Operation with RW = 1 Continue the Continue the Random READ Operation WRITE Operation ViewSonic Corporation Confidential – Do Not Copy E70f-5_E70fB-5_E70fSB-5...
  • Page 97 IC401 Block diagram and application circuit. EHT compensation via vertical size EHT compensation via horizontal size kΩ 1.2 V (1%) (5%) VREF VCAP VAGC VSMOD HSMOD EWDRV VERTICAL VERTICAL VERTICAL EHT COMPENSATION EW-OUTPUT VERTICAL OUTPUT VSYNC SYNC INPUT VOUT2 SYNC OSCILLATOR HORIZONTAL SIZE AND POLARITY...
  • Page 98 IC802 LM2470TA Schematic Diagram Connection Diagram Note: Tab is at GND. FIGURE 2. Top View LM2470 IC801 LM1246 Block Diagram ViewSonic Corporation Confidential – Do Not Copy E70f-5_E70fB-5_E70fSB-5...
  • Page 99 INTERNAL LOGLC BIAS 1/2 Vref C.S. COMP COMP. LATCH OSCILLATOR Ct/Rt IC601 TDA4863A THERMAL AND TDA4863 SOAR PROTECTION DIFFERENTIAL VERTICAL FLYBACK REFERENCE INPUT OUTPUT GENERATOR CIRCUIT STAGE V-OUT Substrate V or V ViewSonic Corporation Confidential – Do Not Copy E70f-5_E70fB-5_E70fSB-5...

  • Page 100: Schematic Diagrams

    9.38V 98.8V 531V 278V 5.09V 5.06V 59.4V 706MV 17.7V 31.9US 31.8US DATE APPROVED BY 31.8US 16.68MS 16.6MS 31.8US 31.6US 31.8US 31.8US 31.8US 31.8US 31.6US 16.68MS 31.6US 31.6US 31.7US 31.8US ViewSonic Corporation Confidential – Do Not Copy E70f-5_E70fB-5_E70fSB-5...

  • Page 101: Pcb Layout Diagrams

    11. PCB Layout Diagrams ViewSonic Corporation Confidential – Do Not Copy E70f-5_E70fB-5_E70fSB-5...
  • Page 102 Video Board Layout ViewSonic Corporation Confidential – Do Not Copy E70f-5_E70fB-5_E70fSB-5...
  • Page 103 Add: Tel: Fax: E-mail: After completing this form, please return it to ViewSonic Quality Assurance in the USA at facsimile 1-909-839-7943. You may also e-mail any suggestions to the Director, Quality Systems & Processes (marc.maupin@viewsonic.com) ViewSonic Corporation Confidential – Do Not Copy...

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