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ViewSonic E96f+SB-1 Service Manual

19" digital controlled color monitor
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Service Manual

ViewSonic E96f+SB-1
Model No. VS10794
19" Digital Controlled Color Monitor
(E96f+SB-1_SM Rev. 1a Dec. 2005)
®
ViewSonic
381 Brea Canyon Road, Walnut, California 91789 USA - (800) 888-8583

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  • Page 1: Service Manual

    Service Manual ViewSonic E96f+SB-1 Model No. VS10794 19” Digital Controlled Color Monitor (E96f+SB-1_SM Rev. 1a 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 E96f+SB-1...

  • Page 4: Precautions And Safety Notices

    Connect a 1500 ohm, 10 watt resistor, paralleled by a 0.15uF capacitor between each exposed metallic part and a good earth ground (as shown in Fig.1). Use an AC voltmeter with 1000 ohm/volt or more sensitivity and measure the AC voltage across the ViewSonic Corporation Confidential - Do Not Copy E96f+SB-1...
  • Page 5 It is essential that these critical parts should be replaced with manufacture’s specified parts to prevent 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 E96f+SB-1...

  • Page 6: Specification

    All preset modes shall expand to full screen size. Scanning Frequencies Horizontal: 30KHz ~ 86KHz Vertical: 50 Hz ~ 160 Hz Factory Preset Timings: 9 User Timings: 10 Misconvergence A Zone: 0.25 mm Max. B Zone: 0.35 mm Max. ViewSonic Corporation Confidential - Do Not Copy E96f+SB-1...
  • Page 7 <75W typical (Green LED) Sleep <4W(Amber LED) <2W 18. Regulatiory/Safety UL/CUL, FCC-B, CB, CE, DHHS, ICES 003, NOM, TUV/GS, TUV/Ergo, MPRII, GOST-R, SASO, BSMI, CCC, PSB, Argentina-TUV/S, EPA Energy Star (Y2005 tier1) ViewSonic Corporation Confidential - Do Not Copy E96f+SB-1...

  • 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...

  • Page 9: Front Panel Function Control Description

    Use the buttons on the front control panel to display and adjust the OSD controls .The OSD controls are explained at the top of the next page and are defined in “Main Menu Controls” on page 8. ViewSonic Corporation Confidential - Do Not Copy...

  • Page 10: Osd Lock Settings

    3 below). Press button [2] to toggle to the next control in the pair. To adjust the setting, such as CONTRAST in the sample below, press the arrow buttons. 4 To save the control setting and Exit the menu press button [1] twice. ViewSonic Corporation Confidential - Do Not Copy E96f+SB-1...
  • Page 11 Trapezoid adjusts the top and bottom of the screen image until they have equal length. Parallel slants the vertical edges of the screen image until they are parallel. Tilt rotates the entire screen image. ViewSonic Corporation Confidential - Do Not Copy E96f+SB-1...
  • Page 12 Exception: This control does not affect changes made with the User Color control. OSD Position allows you to move the on-screen display menus and control screens. ViewMeter displays the frequencies (horizontal and vertical) coming from the graphics card of the computer. ViewSonic Corporation Confidential - Do Not Copy E96f+SB-1...

  • Page 13: Circuit Description

    Via deflection reset after start up(only micro controller reset) The reset pin(pin23) is connected to a Schmitt trigger for nose reduction. A reset is accomplished by holding the Reset pin HIGH. C145 RST Pin23 C102 R153 0.1UF 2.7K ViewSonic Corporation Confidential - Do Not Copy E96f+SB-1...
  • Page 14 C register HPFREE( the default value is also 60 kHz).Independent on H-syncs which are possibly present.the HPLL will slew to that freerunning frequency.To achieve an always defined starting point for the startup procedure,this procedure cannot be interrupted. ViewSonic Corporation Confidential - Do Not Copy E96f+SB-1...
  • Page 15 HOR. Driver Transistor Q417,Q418,Q416,Q420 Horizontal s correction control MOSFET Q406 Transistor for H-Size Control Q705 Brightness Control CKT Q742 V-Dynamic focus CKT Q402 Q403 Driver MOSFET Q901 MOS FET for Switching Power Control. ViewSonic Corporation Confidential - Do Not Copy E96f+SB-1...

  • Page 16: Adjusting Procedure

    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 E96f+SB-1...
  • Page 17 PIN-BALANCE 6500 COLOR TEMPERATURE PARALLELOGRAM COLOR TEMPERATURE ROTATION OSD EXIT H-DRIVER COMPENSATION MAX V-SIZE GAIN RANGE H-SIZE GAIN H-MOIRE REDUCE SUB H-SIZE V-MOIRE REDUCE TOP CORNER H-Linearity Modify BOTTOM CORNER V-FOCUS ADJUST ViewSonic Corporation Confidential - Do Not Copy E96f+SB-1...
  • Page 18 J. Raster Pattern, contrast ratio max,adjust brightness value, make Y=0.25~0.3cd/m K. Select the 5000 color temprature ,brightness cut off,repeat step E, make x=346±10, y=359±10, Y=298±10 cd/m ,then save it into 5000K color temprature . ViewSonic Corporation Confidential - Do Not Copy E96f+SB-1...
  • Page 19 180'. D. Check the complete blue and complete green patterns to observe their respective color purity. Make minor adjustments if needed. ViewSonic Corporation Confidential - Do Not Copy E96f+SB-1...
  • Page 20 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 E96f+SB-1...

  • Page 21: Trouble Shooting Flow Chart

    CHECK THE CATHODE VOLTAGE ABOUT CRT FAIL 6-2. ABNORMAL DDC (PLUG & PLAY) CHECK IC101 PIN 16 VOLTAGE ABOUT 5V CHECK IC902 GOOD OR FAIL CHECK SIGNAL CABLE OR H802 PIN 2, 4 DATA OUTPUT ViewSonic Corporation Confidential - Do Not Copy E96f+SB-1...
  • Page 22 ABOUT 83V AND IC802 PIN2 ABOUT 12V CIRCUIT OR MAIN BOARD CHECK THE VOLTAGE OF CRT CATHODE CHECK THE RELATIVE CIRCUIT OF ABOUT 50VP-P IC802 OUT PUT CHECK THE VOLTAGE GO G2 ABOUT CHECK FBT RELATIVE CIRCUIT 550V~650V ViewSonic Corporation Confidential - Do Not Copy E96f+SB-1...
  • Page 23 CHECK THE WAVEFORM OF IC101 PIN20 CHECK RELATIVE CIRCUIT OF ABOUT 3VP-P IC101 PIN20 CHECK THE COLLECTOR VOLTAGE OF CHECK Q402/T401 RELATIVE Q402 ABOUT 12VP-P CIRCUIT CHECK THE COLLECTOR VOLTAGE OF Q403 ABOUT 1100V CHECK FBT/D408/C418/C419 ViewSonic Corporation Confidential - Do Not Copy E96f+SB-1...
  • Page 24 CHECK THE IC601 PIN1 ABOUT 11.8V PIN 4 ABOUT -12V CHECK D601, C605 RELATIVE CIRCUIT CHECK VERT. OSC CIRCUIT CHECK THE VOLTAGE OF IC101 RELATIVE CIRCUIT READJUST V-SIZE FUNCTION VALUE CHECK IC101 PIN33,34 RELATIVE CIRCUIT ViewSonic Corporation Confidential - Do Not Copy E96f+SB-1...
  • Page 25 SIDE-PIN CUSHION DISTORTION READJUST FOCUS CONTROL CHECK FOCUS CONTROL UNIT, FOCUS LEAD WIRE, CRT SOCKET & CRT 6-12. POOR FOCUS READJUST FOCUS CONTROL CHECK FOCUS CONTROL FOCUS LEAD WIRE, CRT SOCKET & CRT ViewSonic Corporation Confidential - Do Not Copy E96f+SB-1...
  • Page 26 CHECK THE 56V OUTPUT CHECK BRIDGE RECTIFIED CHECK D925 CHECK START C.K.T R936 CHECK Q911 Q911 FAILURE CHECK T901 O/P IC101 PIN30(ABOUT5V) CHECK 56V, 12V 6.5V CIRCUIT OUTPUT CHECK IC901 IC901 FAILURE CHECK SENSE RESISTENCE ViewSonic Corporation Confidential - Do Not Copy E96f+SB-1...

  • Page 27: Recommended Spare Parts List

    Remark 1: Above listed items are examples, supplier can expand the rows to add more necessary items. 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.
  • Page 28 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 29 BOM LIST (E96f+SB-G/P) ViewSonic Model Number: VS10794-1G/P Rev: 1a Serial No. Prefix: PTD / PTE Item ViewSonic P/N Ref. P/N Description Location Universal number# Q'ty WIRE #N/A 95C 201 69032 B1-B2 E-00004072 93C 50460 16 U4KB80R BD901 #N/A 67C 305470 3T...
  • Page 30 Item ViewSonic P/N Ref. P/N Description Location Universal number# Q'ty #N/A 67C 305102 3 1000 UF +-20% 16V C606 #N/A 64C176J104 1T 0.1UF 5% 100V C610 #N/A 64C178J103 1T C702 CL21X 0.01UF 100V +-5% #N/A 65C 1K331 5T6921 330PF/1KV Y5P+-10%...
  • Page 31 Item ViewSonic P/N Ref. P/N Description Location Universal number# Q'ty #N/A 67C 305470 4T 47UF +-20% 25V C929 47UF +-20% 160V #N/A 67C 215470 10 C930 #N/A 67C 21522012P LOW E.SD 22UF 250V C931 #N/A 65C 450473 4T 47000PF -20 +80% 50V Z5...
  • Page 32 Item ViewSonic P/N Ref. P/N Description Location Universal number# Q'ty #N/A 93C 6431P52T BAV20 D914 BAV20 #N/A 93C 6431T52T D914 #N/A 93C 6450752T BAV21 D915 #N/A 93C2040 1A ER204 2A 400V D916 #N/A 93C 6450152T SWITCHING DIODE BAV21 D917 31DF4-FC...
  • Page 33 Item ViewSonic P/N Ref. P/N Description Location Universal number# Q'ty E-00003625 95C 90 23 JUMPER J013 JUMPER E-00003625 95C 90 23 J016 E-00003625 95C 90 23 JUMPER J017 E-00003625 95C 90 23 JUMPER J019 E-00003625 95C 90 23 JUMPER J020...
  • Page 34 Item ViewSonic P/N Ref. P/N Description Location Universal number# Q'ty E-00003625 95C 90 23 JUMPER J117 JUMPER E-00003625 95C 90 23 J120 E-00003625 95C 90 23 JUMPER J122 E-00003625 95C 90 23 JUMPER J124 E-00003625 95C 90 23 JUMPER J135...
  • Page 35 Item ViewSonic P/N Ref. P/N Description Location Universal number# Q'ty #N/A O : 705A985DC5701BQ901 ASS'Y PARENT N O : 705A985DC5702AQ420 ASS'Y #N/A PARENT N #N/A O : 705A985DC6101ANR901 ASS'Y PARENT N #N/A O : 705A985DC84 1 F901 ASS'Y PARENT N...
  • Page 36 Item ViewSonic P/N Ref. P/N Description Location Universal number# Q'ty #N/A 61C 60239252T CFR 3.9K OHM+-5% 1/6W R116 R117 #N/A 61C 60210152T CFR 100 OHM+-5% 1/6W #N/A 61C 60212252T CFR 1.2K OHM+-5% 1/6W R118 #N/A 61C 60247052T CFR 47 OHM +-5% 1/6W...
  • Page 37 Item ViewSonic P/N Ref. P/N Description Location Universal number# Q'ty #N/A 61C 30110052T 1/2W 10 OHM FUSIBIE RES R429 R433 #N/A 61C 60247152T CFR 470 OHM +-5% 1/6W #N/A 61C 17210452T CFR100K OHM +-5% 1/4W R435 #N/A 61C 17222252T CFR 2.2KOHM+-5% 1/4W...
  • Page 38 Item ViewSonic P/N Ref. P/N Description Location Universal number# Q'ty #N/A 61C172S47152T RES CF 5% 1/4W 470OHM A R817 R818 #N/A 61C 60233052T CFR 33 OHM +-5% 1/6W #N/A 61C 17233452T CFR 330K OHM +-5% 1/4W R819 #N/A 61C 60210052T...
  • Page 39 Item ViewSonic P/N Ref. P/N Description Location Universal number# Q'ty #N/A 61C175L22452T CFR 220K OHM +-5% 1/2W R970 R972 #N/A 61C 17220252T CFR 2KOHM+-5% 1/4W #N/A 61A212Y20452T MGFR 200K OHM +-5% 1/2W R973 #N/A 61C175L20452T CFR 200K OHM +-5% 1/2W...
  • Page 40 Item ViewSonic P/N Ref. P/N Description Location Universal number# Q'ty #N/A 93C 3951952T TZX8V2B ZD804 ZD901 E-00002740 93C 3951852T TZX8V2A #N/A 93C 39 7352T HZ6B1-E ZD902 E-00004306 93C 3953052T TZX5V6D ZD902 #N/A 93C 39 7752T HZ5C1-E ZD904 B-00004530 CMB985D1NVSC CHASSIS FOR B985D-1VSC¡] E96f+SB-G¡^ B-00004531 CMB985D1NVW CHASSIS FOR B985D-1VSC¡] E96f+SB-M¡^...
  • Page 41 Item ViewSonic P/N Ref. P/N Description Location Universal number# Q'ty HW-00002758 D1C1140 7128 SCREW 4X7(FOR AC) HW-00004380 M1C1140 6128 SCREW #N/A M1C1730 8128 SCREW M3x8 #N/A 705A985DC15 01 AC ASS'Y #N/A 705A985DC5601A IC601 ASS'Y #N/A 705A985DC5701A D408/Q403 ASS'Y #N/A 705A985DC5701B Q901 ASS'Y...

  • Page 42: Exploded Diagram And Spare Parts List

    8. Exploded Diagram And Spare Parts List Model E96f+SB-1 Title Date Rev: ViewSonic Corporation Confidential - Do Not Copy E96f+SB-1...
  • Page 43 EXPLODED PARTS LIST (E96f+SB-1G/P) ViewSonic Model Number: VS10794-1G/P Rev: 1a Serial No. Prefix: PTD / PTE Item ViewSonic P/N Ref. P/N Description Q'ty #N/A 23C3182-1 LOGO 1PCS C-00004534 34C6285-AFK-F BEZEL 1PCS #N/A 33C6339-FK-F OSDKNOB 1PCS #N/A 33C6338-FK-F KEYPAD 1PCS #N/A...

  • Page 44: Block Diagram

    9. Block Diagram ViewSonic Corporation Confidential - Do Not Copy E96f+SB-1...
  • Page 45 VsOUT XTAL2 standby XTAL1 MODE VSSE VDDA VDDD Vssa VSSD BDRV Bsens HBGND AGND HDRV Vref Iref XRAY EWdrv VOUT2 IC101 SAA4849 Vfocus VUOT1 Deguss ABLadj DouColor KEY2 Uvolt KEY1 SinColor 56A1125-575 ViewSonic Corporation Confidential - Do Not Copy E96f+SB-1...
  • Page 46 SAA4849 ViewSonic Corporation Confidential - Do Not Copy E96f+SB-1...
  • Page 47 IC102 ISCL ISDA M24C08-BN6 IC601 TDA4863AJ FLYBACK GENERATOR +O/P +I/P POWER AMPLITIER -I/P THERMAL PROTECTION ViewSonic Corporation Confidential - Do Not Copy E96f+SB-1...
  • Page 48 IC801 LM1276EE ViewSonic Corporation Confidential - Do Not Copy E96f+SB-1...
  • Page 49 IC801 LM1246DKA ViewSonic Corporation Confidential - Do Not Copy E96f+SB-1...
  • Page 50 ViewSonic Corporation Confidential - Do Not Copy E96f+SB-1...
  • Page 51 Preliminary specification GreenChip™II SMPS control IC TEA1507 B L OC K DIAG R A M ViewSonic Corporation Confidential - Do Not Copy E96f+SB-1...
  • Page 52 IC802 LM2476 OUTD1 IND1 OUTD2 IND2 IND3 OUTD3 INC1 OUTC1 INC2 OUTC2 INC3 OUTC3 ViewSonic Corporation Confidential - Do Not Copy E96f+SB-1...

  • Page 53: Schematic Diagrams

    10000P LED4 Orange KEY1 SinColor Green 0.01 50V 1/4W R183 R182 4.802V 0.276V R115 R181 R127 R162 56A1125-575-X R155 SAA4849PS J022 2.4K 1/4W R163 ZD101 81A3-7-GP ZD108 JUMPER Model Title Date Rev: ViewSonic Corporation Confidential - Do Not Copy E96f+SB-1...
  • Page 54 IC101 PIN18 IC601 PIN5 Q403 B Q403 C T901 PIN13 Q911 G IC901 PIN6 85Hz 5.41V 5.56V 1.33V 12.1V 0.87V 11.1V 0.6KV 8.0V 5.0V 42.4V 1.14KV 85HZ 85Hz POWER Model Title Date Rev: ViewSonic Corporation Confidential - Do Not Copy E96f+SB-1...
  • Page 55 560PF 500V 1UF/100V R846 D802 BAV21 R814 BEAD D809 C835 PS156R 1000PF 2KV C828 D801 47UF,16V R804 JUMPER 100 1/2W L805 JUMPER C825 C834 100PF 1KV P802 VIDEO Model Title Date Rev: ViewSonic Corporation Confidential - Do Not Copy E96f+SB-1...
  • Page 56 57A419-501-T JUMPER 2SC945P L405 C425 R904 73C253-69-T 0.24uF/400V 2K7 1/4W R412 90C6055-700 C422 OUTPUT 47K 1/4W Model 2.2uF/100V C714 68K 1/2W Q406 4.7U 16V IRF630M R403 R433 57C600-21 Title EWOUT Date Rev: ViewSonic Corporation Confidential - Do Not Copy E96f+SB-1...

  • Page 57: Pcb Layout Diagrams

    11. PCB Layout 11-1 MAIN PCB LAYOUT ViewSonic Corporation Confidential - Do Not Copy E96f+SB-1...
  • Page 58 11-2 CRT BOARD LAYOUT ViewSonic Corporation Confidential - Do Not Copy E96f+SB-1...
  • Page 59 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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