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Acer packardbell viseo 193ws Service Manual

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PackardBell Viseo 193ws
Service Guide
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Summary of Contents for Acer packardbell viseo 193ws

  • Page 1 PackardBell Viseo 193ws Service Guide...
  • Page 2 Service Guide Version and Revision Version Release Date Revision History TPV model Sep.-18-2008 Initial Release T9RANDM8XKAGDN...
  • Page 3 Any Acer Incorporated software described in this manual is sold or licensed "as is". Should the programs prove defective following their purchase, the buyer (and not Acer Incorporated, its distributor, or its dealer) assumes the entire cost of all necessary servicing, repair, and any incidental or consequential damages resulting from any defect in the software.
  • Page 4 DIFFERENT part number code to those given in the FRU list of this printed Service Guide. You MUST use the list provided by your regional Acer office to order FRU parts for repair and service of customer machines. Warning: (For FCC Certified Models) Note: This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to Part 15 of the FCC Rules.
  • Page 5 Do not use the monitor near water, e.g. near a bathtub, washbowl, kitchen sink, laundry tub, swimming pool or in a wet basement. Do not place the monitor on an unstable trolley, stand, or table. If the monitor falls, it can injure a person and cause serious damage to the appliance.

  • Page 6: Table Of Contents

    Table Of Contents Chapter 1 Monitor Features ………………………………………… Introduction ……………………………………… Electrical Requirements ……………………………………… LCD Monitor General Specification ……………………………………… LCD Panel Specification ……………………………………… Support Timing ……………………………………… Monitor Block Diagram ……………………………………… Main Board Diagram ……………………………………… Software Flow chart ……………………………………… Main Board Layout ………………………………………...

  • Page 7: Chapter 1 Monitor Features

    Chapter 1 Monitor Features Introduction Scope This short specification describes the electrical, optical and functional performance requirements for a 48cm(19”) TFT LCD color monitor with VGA&DVI compatible interface. Description The LCD monitor is designed with the latest LCD technology to provide a performance oriented product with no radiation.

  • Page 8: Electrical Requirements

    Electrical Requirements Standard Test Conditions All tests shall be performed under the following conditions, unless otherwise specified. Ambient light Dark room (< 1 cd/m Viewing distance 40 cm for LCD performance, 20 cm for LCD failures Warm up time ＞30 minutes Analog Input signal 700 mVss Control temperature...

  • Page 9: Lcd Monitor General Specification

    LCD Monitor General Specification Driving system TFT Color LCD Active Display Area 255.15 (W) × 408.24(H) Pixel pitch 0.2835(H) x 0.2835(W) LCD Panel Contrast Ratio 1000 : 1 Response time Luminance of White 300cd/㎡ (Typ) Separate Sync. H/V TTL Input H-Frequency 30kHz –...

  • Page 10: Lcd Panel Specification

    LCD Panel Specification General Specifications...
  • Page 11 Function Block Diagram Electrical Characteristics...
  • Page 12 Optical Specifications...

  • Page 13: Support Timing

    Support Timing MODE MODE NAME Resolution H.FREQ V.FREQ 640x480 31.469 59.941 640x480 37.861 72.809 640x480 37.5 640x480 66.66 VESA 720x400 31.469 70.087 SVGA 800x600 35.156 56.25 800x600 37.879 60.317 800x600 48.077 72.188 800x600 46.875 832x624 49.722 74.55 1024x768 48.363 60.004 1024x768 56.476 70.069...

  • Page 14: Monitor Block Diagram

    Monitor Block Diagram The LCD MONITOR will contain a main board, a power board and a key board which house the flat panel control logic, brightness control logic and DDC. The power board will provide AC to DC Inverter voltage to drive the backlight of panel and the main board chips each voltage.

  • Page 15: Main Board Diagram

    Main Board Diagram Panel Interface (CN301) Scalar IC NT68667FG Keypad Interface (Include MCU, ADC, OSD) EEPROM (CN402) (U401) M24C16 (U403) H sync D-Data V sync D-Clock D-Sub Flash Memory Crystal Connector Connector PM25LV010A-100SCE 12MHz (CN102) (CN101) (U402) (X401)

  • Page 16: Software Flow Chart

    Software Flow Chart...
  • Page 17 Remark: 1) MCU initializes. 2) Is the EEPROM blank? 3) Program the EEPROM by default values. 4) Get the PWM value of brightness from EEPROM. 5) Is the power key pressed? 6) Clear all global flags. 7) Are the AUTO and SELECT keys pressed? 8) Enter factory mode.

  • Page 18: Main Board Layout

    Main Board Layout Symbol Description Symbol Description U401 IC NT68667FG QFP-128L CN402 WAFER U703 IC AP1117D33L-13 TO252-3L DIODES CN701 WAFER 9P RIGHT ANELE PITCH U103 IC AZC099-04S SOT23-6L CN301 CONNECTOR U104 IC AZC099-04S SOT23-6L X401 CRYSTAL 12MHz HC-49US ARG6-120 U402 IC PM25LV010A-100SCE SOIC-8 CN101 D-SUB 15PIN...

  • Page 19: Installation

    Installation To make it easier to connect the right plug into the right connector, Packard Bell has introduced Colour Coding. Each connector has its own icon with its own colour. Please make sure to always put a plug into a connector with corresponding icon and colour.

  • Page 20: Chapter 2 Operating Instructions

    Chapter 2 Operating Instructions Press the power button to turn the monitor on or off. The other control buttons are located at front panel of the monitor. By changing these settings, the picture can be adjusted to your personal preferences. •...

  • Page 21: Ecolor Management (Osd)

    eColor Management (OSD) Parkard Bell Scenario Mode: If select the “Scenario Mode” item, it will appear the Parkard Bell Scenario Mode (NOTE: In MENU OSD the “Scenario Mode” item doesn’t have Multi-language selection, only English language) Scenario Mode main menu, sub menu and description...

  • Page 22: How To Adjust A Setting

    How to Adjust a Setting When press “Menu” button from Front Bezel, user need to select which kind of function Menu need to open USER: If select the “USER” item, it will appear the standard OSD I: Only Analog Input Model II: Dual Input Model Adjusting the picture USER main menu, sub menu and description...

  • Page 24: How To Optimize The Dos-Mode

    How To Optimize The DOS-Mode Plug And Play Plug & Play DDC2B Feature This monitor is equipped with VESA DDC2B capabilities according to the VESA DDC STANDARD. It allows the monitor to inform the host system of its identity and, depending on the level of DDC used, communicate additional information about its display capabilities.

  • Page 25: Chapter 3 Machine Disassembly

    Chapter 3 Machine Disassembly This chapter contains step-by-step procedures on how to disassemble the monitor for maintenance. Disassembly Procedure 1. Remove the cover hinge as the following indicator. (Fig 1) Fig 1 2. Remove the screws as following indicate to release base stand. (Fig 2) Fig 2...
  • Page 26 3. Remove the back cover and bezel. (Fig 3,4) Fig 3 Fig 4...
  • Page 27 4. Remove the lamp connectors and remove the screws to remove the panel. Put attention to the LVDS cable. (Fig 5,6) Fig 5 Fig 6...
  • Page 28 5. Remove the screws to remove the main board and power board.( Fig 7,8) Fig 7 Fig 8...
  • Page 29 6. The panel Fig 9...

  • Page 30: Chapter 4 Troubleshooting

    Chapter 4 Troubleshooting This chapter provides troubleshooting information for the Viseo 193ws: 1. No Power No power Press power key and look if the picture is normal Please reinsert and make sure the AC of 100-240 is normal Reinsert check Adapter/Inverter section Measure U703 PIN2=3.3V Check U703, C706 and C707...
  • Page 31 2. No Picture (LED is orange) No picture The button if under control Replace the key button Measure U703 PIN2=3.3V Check U703,C706 and C707 X401 oscillate waveform normal Replace X401 Check HS/VS from CN101 is normal Check Correspondent component Replace U401...
  • Page 32 Panel Power Circuit White screen Measure Q302 base X401 oscillate is high level? waveform is normal Replace X401 Check Q301 ， Q302 is Check reset circuit of broken or CN301 solder? U401 is normal Check Correspondent Check Correspondent component. component. Replace U401 Replace PANEL...
  • Page 33 4. Key Board OSD is unstable or not working Connect Key Board Is Key Pad Board connecting normally? Replace Button Switch Is Button Switch normally? Replace Key Board Is Key Pad Board normally? Check Main Board...
  • Page 34 5. Power Board 1) No power Check CN902 pin4, 5 = 5V Check AC line volt 110V or 220V Check AC input Check the voltage of C908(+) Check bridge rectified circuit and F901 circut Check start voltage for the pin3 of U901 Check R904, R932, R933, and Change U901 Check the auxiliary voltage is bigger than 10V and smaller than 20V...
  • Page 35 2.) No Backlight Check the 16V output Check the adapter OR MB Check ON/OFF signal Check Interface board Check U801 PIN12=16V Change Q808 Check U801 PIN10, 9 have the output of square wave at short Check U801 Check Q804, Q809 PIN5, 6, 7, 8 have the output of square wave at short time.

  • Page 36: Chapter 5 Connector Information

    Chapter 5 Connector Information The following figure shows the connector locations on the monitor: D-SUB connector...
  • Page 37 DVI Connector...

  • Page 38: Chapter 6 Fru (Field Replacement Unit) List

    NOTE: To scrap or to return the defective parts, you should follow the local government ordinance or regulations on how to dispose it properly, or follow the rules set by your regional Acer office on how to return it. Exploded Diagram (Model: Viseo 193ws)
  • Page 39 Item Description Item Description BEZEL L19WA-8GEMPAKA-2 REAR COVER L19W-8GEMPAKA-2 DECORATION STRIP HINGE PACKARDBELL 193WS POWER LENS SCREW(M4*10) KEY PAD SCREW KEY BOARD STAND PANEL RELEASE BUTTON POWER BOARD STAND COVER SCALER BOARD BASE SPEAKER BASE BRACKET PACKARDBELL 193WS SCREW FOOT SCREW,42-D020523 SCREW (T3X6) MAIN FRAME WITH DVI E191W...

  • Page 40: Part List

    Part List Above picture show the description of the following component. Item Picture Description Main Frame Panel Power Board...
  • Page 41 Main Board Key Board...

  • Page 42: Chapter 7 Schematic Diagram

    T P V ( Top Victory Electronics Co . , Ltd. ) OEM MODEL Size Parkard Bell G3108-1-X-X-8-20080807 TPV MODEL 絬 隔 瓜 絪 腹 Acer Key Component 2.0.INPUT PCB NAME <称爹> 称 爹 Date Thursday , August 07, 2008 Sheet...
  • Page 43 Electronics Co . , Ltd. ) OEM MODEL Size Parkard Bell NC/2x4PIN/1.0mm CN401 PIN1~5㎝CN406 PIN1~5 　LAY TPV MODEL 絬 隔 瓜 絪 腹 G3108-1-X-X-8-20080807 Acer Key Component 5.0.SCALER PCB NAME <称爹> 称 爹 Date Tuesday , September 02, 2008 Sheet...
  • Page 44 T P V ( Top Victory Electronics Co . , Ltd. ) OEM MODEL Size Parkard Bell G3108-1-X-X-8-20080807 TPV MODEL Acer 絬 隔 瓜 絪 腹 Key Component 3.0.OUTPUT PCB NAME <称爹> 称 爹 Thursday , August 07, 2008 Sheet Date...
  • Page 45 T P V ( Top Victory Electronics Co . , Ltd. ) OEM MODEL Parkard Bell Size G3108-1-X-X-8-20080807 TPV MODEL Acer 絬 隔 瓜 絪 腹 Key Component 4.0.POWER PCB NAME <称爹> 称 爹 Date Thursday , August 07, 2008 Sheet...

  • Page 46: Power Board

    Power board D909 NC/31DQ10FC R918 L904 100 OHM 1/4W 2A(INVERTER) R919 100 OHM 1/4W +16V FB904 C912 R920 BEAD 0.001uF ZD902 100 OHM 1/4W R946 RLZ18B 470 OHM 2W C917 FB902 1206 0 ohm 680uF25V C918 80OHM 680uF25V R943 BD901A T901 Q903 470R 1/8W...
  • Page 47 CN801 28:28:2400 Lk:260mH CONN T801 R801 0R05 1/8W C801 18pF/3KV L801 +16V NC / L R802 CN802 100R 1/8W C825 CONN 18pF/3KV R804 0R05 1/8W R805 NC/4K7 1/10W 5% R810 Q802 R808 Q801 R850 15R 1/4W 5% PDTC144WK 10K 1/10W 1% PDTA144WK 15R 1/4W 5% POWER X'FMR...

  • Page 48: Key Board

    T P V ( Top Victory Electronics Co . , Ltd. ) OEM MODEL Size Parkard bell G3312-A-X-X-1-080804 TPV MODEL 絬 隔 瓜 絪 腹 ACER Key Component 02.Key Board PCB NAME 715G3312-A <称爹> 称 爹 Tuesday , September 02, 2008 Sheet Date...

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