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Proview 770 Service Manual

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Summary of Contents for Proview 770

  • Page 1 Service Manual...

  • Page 2: Table Of Contents

    TABLE OF CONTENTS WARNING · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · A.

  • Page 3: Important Safety Instruction

    To prevent from fire or shock hazard,do not expose monitor to any rain or any form of water.High voltage is inside the monitor so please do not remove the back cover of the cabinet if you are not a qualified monitor engineer.Contact the local dealer or the nearest Proview branch office if you need help. A. IMPORTANT SAFETY INSTRUCTION Prior to using this service manual,please ensure that you have carefully followed all the procedures outlined in the user's manual for this product.

  • Page 4: Specifications

    other controls may result in damage and will often require extension work by a qualified technician to restore the product to normal operation. e. If the product has been dropped or the cabinet has been damaged. If the product exhibits a distinct change in performance,indicating a need for service. B.

  • Page 5: Timing Chart

    15.840 12.480 V-Active Display (ms) 1.557 1.430 1.057 0.533 0.711 0.739 1.373 V-Blanking (ms) 0.413 0.318 0.238 0.027 0.028 0.026 0.770 V-Front Porch (ms) 0.064 0.064 0.079 0.080 0.057 0.106 0.125 V-Sync-width (ms) 1.080 1.049 0.740 0.427 0.626 0.607 0.478...
  • Page 6 VESA VESA VESA VESA VESA VESA Preset Modes 800X600 1024X768 1024X768 1024X768 1280X1024 1280X1024 49.500 65.000 75.000 78.750 108.00 135.00 Pixel clock (MHz) 46.875 48.363 56.476 60.023 63.981 97.976 H-Frequency (KHz) H-Total (µs) 21.333 20.677 17.707 16.660 15.630 12.540 16.162 15.754 13.563 13.003...

  • Page 7: D. Control Location

    D. CONTROL LOCATION Font control panel 1. Menu Button 2. Select Button 3. Auto Button 4. Power Button 5. LED (Power Display) Rear panel...
  • Page 8 1. VGA Signal Cable 2. Power jack 3. Line in jack...
  • Page 10 E. CONDUCTION VIEW MAIN BOARD (Component Side)
  • Page 11 MAIN BOARD (Component Side)
  • Page 12 MAIN BOARD (Solid Side)
  • Page 13 CONTROL BOARD (Component Side) CONTROL BOARD (Solid Side)
  • Page 14 INVERTER BOARD...

  • Page 15: Adjustment Procedure

    F. ADJUSTMENT PROCEDURE ﹟ Test Meter Check ITEM ﹡ Test Point Operation Value Program Menu. ﹫ Pattern 1. Plug power cable into the adapter, check adapter 12.0V ﹟ Digital Voltmeter ±0.2V Check power indicator light up green. ﹡ CN7 2. Make sure the voltage of the power plug ( ﹫...

  • Page 16: Trouble Shooting Hints

    G. TROUBLE SHOOTING HINTS No Display ( Black ) Change Power LED ON adapter adapter ? Push the power switch ON/OFF LED Color Back light To Step 2 change ? Check main Check the /Pin1 board U2/Pin2 of Inverter High Voltage ! Make sure the Hi / Lo under +12V ?
  • Page 17 Check the connection of Change the Hi / Lo under cable push power main board Display ? Change the Inverter Nice Job ! Display ? Nice Job ! Change the main board To Step 2...
  • Page 18 Step 2 Check the main Check board F1,D5 Check +5.0 V ? U10,U11,TR1 Check the main Check board Pin 5 Change H/V input Signal ? Check H/V Signal Change Display ? Signal Cable Nice Job !
  • Page 19 No display (White) Check the main Check board U10,U11,TR1 Check +3.3V ? U8,U13 Check the main Check board U9/Pin3 3.3V Circuit Change H/V Input Signal ? Check H/V Signal Change Display ? Signal Cable Nice Job !

  • Page 20: Replacement Parts List

    H. REPLACEMENT PARTS LIST Parts No. Description Part Location Q’ty 1 988-1L0-6001C SH770 2 002-001-CEPOV-A CE Declaration 3 002-G01-FUJIT FUJITSU Warranty card 4 002-L03-FUJIT SH770 User’s Manual for FUJITSU 5 003-101-TCO9 All Series TCO99 Label for Carton 6 003-403-FUJIT SH770 Carton Label for FUJITSU 7 005-006-FUJIT SH770 Carton FUJITSU Logo 8 153-007-FUJIT...
  • Page 21 42 630-006-1008 JWT A2001 PITCH 2.00mm 6P. CN4, 43 630-006-1009 JWT A2001 PITCH 2.00mm 6P. CN3, 44 630-008-C001 JST 1.5mm Header ZR S8B-ZR. CN2, 45 630-030-8001 30Pin 1.25mm Pitch SMD 46 745-330-2062-3 Line Choke 33uH TL1, 47 780-112-8000 Bead TL2, 48 852-00M-SH770 SH770 M/B MRT IC AU SMD 49 200-100-SH770...
  • Page 22 S1,S2,S3,S4,S5, 108 528-LPB-3025 SMD LED Green (KPB-3025SGYW). 109 630-008-S001R SMD 1.0 Base 8PIN 110 902-SH0-6001C SH-770 TUV/GS TCO99 Ass’y AU(FUJITSU 111 123-B01-SH770-A SH770 Frant Panel FUJITSU Logo 425C Frant Panel (Color :Silver) 112 123-C00-SH770-A SH770 Rear Cover A5052P T=1.2. Rear Cover...
  • Page 23 TOSHIBA CN Housing 2 NYLON66. 158 621-065-2508 LCD Wire UL2547#28AWG 2C 165mm 159 710-203-SHSE Speaker 3W/8ohm 34*34mm. 160 827-001-SH770 SH-770 LCD Cover Ass’y for AU. 161 003-H01-0770 For 770 Heartsink 162 101-005-3033 Screw M3*5 ISO 163 101-008-3013 Screw 3*8 TP1...
  • Page 24 Twist Wire 2Pin 280mm Pitch=2.0mm 195 631-002-7007-T Twist Wire 2Pin 130mm Pitch=2.0mm 196 631-006-7020-T SH570/770 Wire 1061#28 6P2.0mm 197 631-008-G010-W SH570/770 Wire 8P 280mm With Core CTR/B->M/B, 198 631-030-J007-C Twist Wire 30Pin Pitch 1.0—1.5mm 199 760-300-0027 LCD Ferrite Core K5A 12.7*10*7.9mm...

  • Page 31: Block Diagram

    I. BLOCK DIAGRAM VSYNC HSYNC LVDS LCD PANEL(LVDS) SCALER VGA-IN 10 EVEN 8 RA0~RA7 12PIN 8 R0~R7 8 GA0~GA7 3 {R.G.B} 8 G0~G7 8 BA0~BA7 DDC-SDA DDC-SCL 8 B0~B7 D-DE LVDS 8 RB0~RB7 D.D.C 24C21 8 GB0~GB7 EEPROM CRYSTAL 10 ODD 8 BB0~BB7 HI VOLTAGE 24C16...

  • Page 32: Schematic Diagram

    U12C U12D VSYNC DDC5V 74LVC14 74LVC14 TZMC5V1(NP) 0.1uF TZMC5V1(NP) U12E U12F VCLK Proview Electronics (Taiwan) Co., LTD. 74LVC14 74LVC14 24C21 6F, NO.1, Pau-Sheng Rd., Yung-Ho City, Taipei County, Taiwan R.O.C. 0.1uF Tel: 886-2-2231-6789 Fax: 886-2-2232-4613 Title MVP2(VGA) Size Document Number...
  • Page 33 DISP-VSYNC RED+ RED- DISP-DE MOUT 3.3V-ANA 4.7n 0.01uF 0.01uF 4.7n 4.7n STH8 L0805/0R Proview Electronics (Taiwan) Co., LTD. MCU_CLKO 0.1uF 0.1uF 0.1uF P2008A 6F, NO.1, Pau-Sheng Rd., Yung-Ho City, Taipei County, Taiwan R.O.C. MCU_CLK MCU_CLKO L0805/0R TC18 Tel: 886-2-2231-6789 Fax: 886-2-2232-4613...
  • Page 34 2.2K DEL R89,R86 PWM1_A DEL C107 MUTE MODE GAIN SDWN 100uF/16V OPVCC Proview Electronics (Taiwan) Co., LTD. 6F, NO.1, Pau-Sheng Rd., Yung-Ho City, Taipei County, Taiwan R.O.C. Tel: 886-2-2231-6789 Fax: 886-2-2232-4613 Title MVP2(AUDIO) Size Document Number 200-100-SH770 Date: Tuesday, September 10, 2002...
  • Page 35 P1.4 PSEN ROT_PB0 P1.5 ROT_PB6 P1.6 P3.1 / TXD ROT_LF P1.7 P3.0 / RXD WAFE-8PIN-1.5MM-90@ POWER 33X4(NP) LED_G PROVIEW FOR LCD COLOR ANALYZER (CHROMA 7120) LED_O SW LEFT OSD_MENU W78E62B-PLCC44 SW_RIGHT OSD_SW_RIGHT R102 MENU OSD_SW_LEFT AUTO OSD_POWER OSD_AUTO 33X4 33X4 0.1uF...
  • Page 36 0.1uF ICBE-TO92/NC 4.7K 220uF/16V R203 D-VSYNC 9/10修改 DISP-VSYNC D-HSYNC DISP-HSYNC DEFAULT = 0 Proview Electronics (Taiwan) Co., LTD. VDDCTRL 6F, NO.1, Pau-Sheng Rd., Yung-Ho City, 2N3904 0.1uF Taipei County, Taiwan R.O.C. Tel: 886-2-2231-6789 Fax: 886-2-2232-4613 0.1uF Title MVP2(OUTPUT) SH770" PC+AUDIO...
  • Page 37 4.7K LM358-SO8 BRIGHTNESS 3.3DIG-ANA TC12 10uF/16V L0805 10uF/16V 0.1uF 2.2K GND_EARTH 3.3DIG Proview Electronics (Taiwan) Co., LTD. TC14 L0805 6F, NO.1, Pau-Sheng Rd., Yung-Ho City, Taipei County, Taiwan R.O.C. 0.1uF 47uF/16V Tel: 886-2-2231-6789 Fax: 886-2-2232-4613 0(0805) Title MVP2(POWER) Size Document Number...
  • Page 39 Memu...

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