Acer packardbell viseo 193ws Service Manual Download | Manualshive

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Troubleshooting

This chapter provides troubleshooting information for the Viseo 193ws:

1. No Power

Chapter 4

No power

Press power key and look
if the picture is normal

Please reinsert and make sure
the AC of 100-240 is normal

Measure U703 PIN2=3.3V

Reinsert or check the
Adapter/Inverter section

X401 oscillate waveforms are
normal

Check U703, C706 and C707

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Summary of Contents for packardbell viseo 193ws

Page 1: ...1 PackardBell Viseo 193ws Service Guide h t t p w w w w j e l n e t ...

Page 2: ...2 Service Guide Version and Revision Version Release Date Revision History TPV model A00 Sep 18 2008 Initial Release T9RANDM8XKAGDN h t t p w w w w j e l n e t ...

Page 3: ...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 Intel is a registered trademark of Intel Corporation Pentium and Pentium II III are trademarks of Intel Corporation Other brand and product names are trademarks and or registered trademarks of their respectiv...

Page 4: ...ential installation This equipment generates uses and can radiate radio frequency energy and if not installed and used in accordance with the instructions may cause harmful interference to radio communications However there is no guarantee that interference will not occur in a particular installation If this equipment does cause harmful interference to radio or television reception which can be de...

Page 5: ...plug z Unplug the unit during a lightning storm or when it will not be used for long periods of time This will protect the monitor from damage due to power surges z Do not overload power strips and extension cords Overloading can result in fire or electric shock z Never push any object into the slot on the monitor cabinet It could short circuit parts causing a fire or electric shock Never spill li...

Page 6: ...oftware Flow chart 16 Main Board Layout 18 Installation 19 Chapter 2 Operating Instructions 20 External Controls 20 eColor Management OSD 21 How to Adjust a Setting 22 How To Optimize The DOS Mode 24 Chapter 3 Machine Disassembly 25 Chapter 4 Troubleshooting 30 Chapter 5 Connector Information 36 Chapter 6 FRU Field Replacement Unit List 38 Exploded Diagram 38 Chapter 7 Schematic Diagram 42 h t t p...

Page 7: ...iation This will alleviate the growing health concerns It is also a space saving design allowing more desktop space and comparing to the traditional CRT monitor it consumes less power and gets less weight in addition MTBF target is 50k hours or more Chart of Viseo 193ws Panel M190PW01 V00 SZ AUO Signal Interface D Sub 15pin DVI 24pin Sync Type Separate Compatible Color Temp User Adjust Support DDC...

Page 8: ...e brightest two of 32 linear distributed gray scales 0 700mv can be distinguished Picture position and size Factory preset value Viewing angle 90 H and V AC Supply voltage 230V 5 50 3Hz 110V 5 60 3Hz Ambient temperature 20 5 Humidity 65 20 Display mode 1440 x 900 60 Hz all white e color mode Set to User mode Measurement systems The units of measure stated in this document are listed below 1 gamma ...

Page 9: ...0Hz ON Mode 45W EPA ENERGY STAR OFF Mode 2W Contrast control Set to factory preset value which allows that the brightest two of 32 linear distributed gray scales 0 700mv can be distinguished Power Source 100 V 240 V 50 3Hz 60 3Hz Environmental Considerations Operating Temp 5 to 35 C Storage Temp 30 to 65 C Operating Humidity 0 to 90 Storage Humidity 0 to 90 Peak surge current 55A peak at 240 VAC a...

Page 10: ...10 LCD Panel Specification General Specifications h t t p w w w w j e l n e t ...

Page 11: ...11 Function Block Diagram Electrical Characteristics h t t p w w w w j e l n e t ...

Page 12: ...12 Optical Specifications h t t p w w w w j e l n e t ...

Page 13: ...188 9 800x600 46 875 75 10 MAC 832x624 49 722 74 55 11 XGA 1024x768 48 363 60 004 12 1024x768 56 476 70 069 13 1024x768 60 023 75 029 14 MAC 1152x870 68 7 75 15 VESA 1152x864 67 5 75 16 1280x960 60 60 17 SXGA 1280x1024 63 981 60 02 18 1280x1024 79 976 75 025 19 VESA 1280x720 44 955 59 94 20 1280x768 47 776 59 87 21 1280x768 60 289 74 893 22 WXGA 1280x800 49 702 59 81 23 WXGA 1440x900 55 935 59 887...

Page 14: ...l 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 Inverter Board include adapter Flat Panel and CCFL backlight Main Board Key board Input D SUB Signal CCFL Drive AC IN 100V 240V Input DVI h t t p w w w w j e l n e t ...

Page 15: ...0A 100SCE U402 Panel Interface CN301 Crystal 12MHz X401 Keypad Interface CN402 Scalar IC NT68667FG Include MCU ADC OSD U401 D Sub Connector CN101 H sync V sync RGB DVI Connector CN102 D Data D Clock EEPROM M24C16 U403 h t t p w w w w j e l n e t ...

Page 16: ...16 Software Flow Chart N Y 1 2 N Y 5 Y N 10 Y N 12 Y N 7 Y N 6 4 3 8 9 14 11 13 Y N 15 Y N 16 17 19 Y N 18 h t t p w w w w j e l n e t ...

Page 17: ...en color Scalar initializes 10 In standby mode 11 Update the lifetime of back light 12 Check the analog port are there any signals coming 13 Does the scalar send out an interrupt request 14 Wake up the scalar 15 Are there any signals coming from analog port 16 Display No connection Check Signal Cable message And go into standby mode after the message disappears 17 Program the scalar to be able to ...

Page 18: ...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 U403 M24C16 WMN6TP CN102 DVI 24PIN CONN F h t t p w w w w j e l n e t ...

Page 19: ...em and LCD monitor power are OFF If your computer is equipped with a VGA port connect one of the VGA cable plugs to the VGA port on your computer s rear panel and the other to the connector on the rear of the monitor According to PC99 requirements the VGA plug and connector should be coloured blue The VGA interface allows your computer to output analog signals The monitor is automatically configur...

Page 20: ...er indicator will light up External Controls 1 Press the AUTO Button A to perform an automatic optimized display setup 2 Press the MENU Button B to access the OSD menu 3 The POWER button C switches your monitor on and off We recommend you switch the monitor on before switching the computer on 4 Press the button D or the button E to choose the item you want to adjust Use the MENU Button to choose t...

Page 21: ...f 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 h t t p w w w w j e l n e t ...

Page 22: ...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 h t t p w w w w j e l n e t ...

Page 23: ...23 h t t p w w w w j e l n e t ...

Page 24: ...input signals this monitor following a time out period will automatically switch to an OFF mode This reduces the monitor s internal power supply consumption After the video input signal is restored full power is restored and the display is automatically redrawn The appearance is similar to a Screen Saver feature except the display is completely off Pressing a key on the keyboard or clicking the mo...

Page 25: ...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 Chapter 3 h t t p w w w w j e l n e t ...

Page 26: ...26 3 Remove the back cover and bezel Fig 3 4 Fig 3 Fig 4 h t t p w w w w j e l n e t ...

Page 27: ...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 h t t p w w w w j e l n e t ...

Page 28: ...28 5 Remove the screws to remove the main board and power board Fig 7 8 Fig 7 Fig 8 h t t p w w w w j e l n e t ...

Page 29: ...29 6 The panel Fig 9 h t t p w w w w j e l n e t ...

Page 30: ...wer Press power key and look if the picture is normal Please reinsert and make sure the AC of 100 240 is normal Measure U703 PIN2 3 3V Reinsert or check the Adapter Inverter section X401 oscillate waveforms are normal Check U703 C706 and C707 Replace U401 Replace X401 OK OK NG NG NG OK NG h t t p w w w w j e l n e t ...

Page 31: ...nder control Replace the key button Measure U703 PIN2 3 3V Replace U401 X401 oscillate waveform is normal Check U703 C706 and C707 OK OK OK OK NG NG Check HS VS from CN101 is normal Replace X401 Check Correspondent component NG NG h t t p w w w w j e l n e t ...

Page 32: ...el X401 oscillate waveform is normal Check Q301 Q302 is broken or CN301 solder Check Correspondent component Replace PANEL Check Correspondent component Replace U401 OK OK OK Replace X401 OK NG NG NG NG Check reset circuit of U401 is normal h t t p w w w w j e l n e t ...

Page 33: ...table or not working Is Key Pad Board connecting normally Connect Key Board Is Button Switch normally Replace Button Switch Y NG NG Is Key Pad Board normally Replace Key Board Y NG Y Check Main Board h t t p w w w w j e l n e t ...

Page 34: ...oltage of C908 Check start voltage for the pin3 of U901 Check R904 R932 R933 and Change U901 NG Check the auxiliary voltage is bigger than 10V and smaller than 20V NG NG NG Check IC903 IC904 Q903 ZD921 ZD922 D906 D907 Check U601 pin8 PWM wave Check U901 NG OK NG OK OK OK OK Check AC line volt 110V or 220V Check AC input h t t p w w w w j e l n e t ...

Page 35: ...k Interface board Check U801 PIN12 16V Change Q808 Check Q804 Q809 PIN5 6 7 8 have the output of square wave at short time Check the output of T801 T802 Change T801 T802 Check connecter lamp OK OK OK NG OK NG NG NG OK NG OK Check U801 PIN10 9 have the output of square wave at short Check U801 NG h t t p w w w w j e l n e t ...

Page 36: ...36 Connector Information The following figure shows the connector locations on the monitor D SUB connector Chapter 5 h t t p w w w w j e l n e t ...

Page 37: ...37 DVI Connector h t t p w w w w j e l n e t ...

Page 38: ... change is made it will not be noted in the printed Service Guide For ACER AUTHORIZED SERVICE PROVIDERS your Acer office may have a DIFFERENT part number code from those given in the FRU list of this printed Service Guide You MUST use the local FRU list provided by your regional Acer office to order FRU parts for repair and service of customer machines NOTE To scrap or to return the defective part...

Page 39: ...GE PACKARDBELL 193WS 3 POWER LENS 15 SCREW M4 10 4 KEY PAD 16 SCREW 5 KEY BOARD 17 STAND 6 PANEL 18 RELEASE BUTTON 7 POWER BOARD 19 STAND COVER 8 SCALER BOARD 20 BASE 9 SPEAKER 21 BASE BRACKET PACKARDBELL 193WS 10 SCREW 22 FOOT 11 SCREW 42 D020523 23 SCREW T3X6 12 MAIN FRAME WITH DVI E191W h t t p w w w w j e l n e t ...

Page 40: ...40 Part List Above picture show the description of the following component Item Picture Description 1 Main Frame 2 Panel 3 Power Board h t t p w w w w j e l n e t ...

Page 41: ...41 4 Main Board 5 Key Board h t t p w w w w j e l n e t ...

Page 42: ...ify in 2008 01 28 DDC_WP DAT2 1 DAT2 2 2 4shield 3 DAT4 4 DAT4 5 DDC SCL 6 DDC SDA 7 VSYNC 8 DAT1 9 DAT1 10 1 3shield 11 DAT3 12 DAT3 13 5V 14 SYNC GND 15 HPD 16 DAT0 17 DAT0 18 0 5shield 19 DAT5 20 DAT5 21 clk shield 22 clk 23 clk 24 GND 26 GND 25 CN102 JACK 候綼 U101 R104 1K 1 16W 5 R138 4K7 1 16W 5 DDC2_SDA C113 5pF 50V V_Sy nc DSUB_5V ZD105 RLZ5 6B 1 2 FB102 BEAD RX1P 5V_ESD A0 1 A1 2 A2 3 VSS 4...

Page 43: ...A2M T7M 69 RSGA2P T7P 68 PA1 PWM3 67 PA2 PWM4 66 PA0 PWM2 65 OSCO 128 OSCI 127 PB0 ADC0 126 PB1 ADC1 125 PC5 124 PC4 PWM1 123 PC3 PWM0 122 PC1 121 PC0 120 CVDD 119 PWMB GPO8 118 PWMA GPO7 117 NC 116 CVDD 115 INT_HSO GPO5 114 INT_VSO GPO4 113 GPO3 AD1 112 GPO2 AD0 111 NC 110 GND 109 PD4 108 SPI_CLK 107 SPI_SI 106 SPI_SO 105 SPI_CE 104 PC7 103 U401 NT68667FG PANEL_ID R431 100R 1 16W 5 R429 100R 1 16...

Page 44: ...8W PANEL_VCC Q302 2N3904S RTK PS R306 10K 1 16W 5 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 CN301 CONN AO3401L 2 1 C303 NC C304 NC C306 0 1uF 16V S D 3 G R307 47K 1 16W 5 OEM MODEL Size Rev Date Sheet of TPV MODEL PCB NAME 称爹 T P V Top Victory Electronics Co Ltd Key Component 絬隔瓜絪腹 Acer 1 Parkard Bell A 3 5 Thursday August 07 2008 称爹 3 0 OUTPUT G3108 1 X ...

Page 45: ...R702 10K 1 16W 5 C706 100uF25V C701 NC C708 0 1uF 16V C702 NC 1 2 3 4 5 6 7 8 9 CN701 CONN R705 10K 1 16W 5 R704 4K7 1 16W 5 BKLT EN C707 100uF25V C709 0 1uF 16V R706 1K 1 16W 5 VSS 1 VOUT 2 VIN 3 U701 NC AP1117E33LA Q701 2N3904S RTK PS C705 NC 0 1uF 16V VCC1 8 Volume Mute ADJ GND 1 VOUT 2 VIN 3 U703 AP1117D33LA OEM MODEL Size Rev Date Sheet of TPV MODEL PCB NAME 称爹 T P V Top Victory Electronics C...

Page 46: ... NC Q903 PMBS3904 R942 1K 1 10W 1 D903 LL4148 3 5A USB AUDIO 1 5A main PCB 2A INVERTER 5V1 1 2 HS2 EMI shield NC H85G0002 1 C930 0 1uF 1 2 FB902 80OHM 1 2 FB901 BEAD 1 4 2 3 L901 OEM MODEL Size Rev Date Sheet of TPV MODEL PCB NAME 称爹 T P V Top Victory Electronics Co Ltd Key Component 絬隔瓜絪腹 PWPC8942MQGC A Custom 2 4 Wednesday August 27 2008 715G2824 G 2 ODM MODEL 2 POWER G2824 2 2 X 32 080827 R...

Page 47: ...4 3 1 2 D802 BAV99 R830 0R05 1 8W R846 68R 1 10W 5 Q807 PMBS3904 R819 10K 1 10W 1 1 2 ZD801 NC RLZ6 8C S 1 G 2 S 3 G 4 D 8 D 7 D 6 D 5 Q804 AM9945N T1 PF 1 2 4 3 L801 NC L C807 0 1uF 16V R832 0R05 1 8W C822 1500PF 50V R841 1 5K 1 8W R804 0R05 1 8W R816 68K OHM 1 1 10W R821 1M 1 10W 5 R853 10K 1 10W 1 R826 220K OHM 1 1 8W R828 47K 1 10W 1IN 1 1IN 2 FEEDBACK 3 DTC 4 CT 5 RT 6 GND 7 C1 8 E1 9 E2 10 C...

Page 48: ...4 5 6 CN001 CONN ZD006 UDZSNP5 6B GND ZD002 UDZSNP5 6B C001 NC 1 1V 1 1V 2 1 3 4 5 SW005 SW AUTO ZD003 UDZSNP5 6B ZD005 UDZSNP5 6B POWER GND ZD001 UDZSNP5 6B MENU OEM MODEL Size Rev Date Sheet of TPV MODEL PCB NAME 称爹 T P V Top Victory Electronics Co Ltd Key Component 絬隔瓜絪腹 ACER A Parkard bell B 1 2 Tuesday September 02 2008 715G3312 A 称爹 02 Key Board G3312 A X X 1 080804 LBADC1 ZD004 UDZSNP5 ...

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