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Chapter 4

44

This chapter provides troubleshooting information for the AT2001.

No Power

Check CON11

Pin 14,15

Check CON11

Pin 14,15

No Power

No Power

No

Plug in

Adapter

Plug in

Adapter

Check U17

pin3,2.5V

Check U17

pin3,2.5V

Check U30

3.3V, correct

Check U30

3.3V, correct

Check U20

Pin2, 1.8V

Check U20

Pin2, 1.8V

Check IO BOX Plug in

Check IO BOX Plug in

Check Power button

correct?

Check Power button

correct?

No

No

No

Yes

Yes

Yes

Yes

Yes

Change

U17

Change

U17

No

Check

Connection

Check

Connection

Change

U30

Change

U30

No

Change

U20

Change

U20

Change button

or cable

Change button

or cable

Check Xtal

Y2

Check Xtal

Y2

Yes

Chapter

3

Troubleshooting

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Summary of Contents for AT2001

Page 1: ...AT2001 Service Guide PRINTED IN TAIWAN Service guide files and updates are available on the AIPG CSD web for more information please refer to http csd acer com tw ...

Page 2: ...II Revision History Please refer to the table below for the updates made on AT2001 service guide Date Chapter Updates ...

Page 3: ...r expressed or implied with respect to the contents hereof and specifically disclaims any warranties of merchantability or fitness for any particular purpose 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 ne...

Page 4: ... bits and pieces of additional information related to the current topic WARNING Alerts you to any damage that might result from doing or not doing specific actions CAUTION Gives precautionary measures to avoid possible hardware or software problems IMPORTANT Reminds you to do specific actions relevant to the accomplishment of procedures ...

Page 5: ... NOT be covered in this generic service guide In such cases please contact your regional offices or the responsible personnel channel to provide you with further technical details 2 Please note WHEN ORDERING FRU PARTS that you should check the most up to date information available on your regional web or channel If for whatever reason a part number change is made it will not be noted in the printe...

Page 6: ... 28 Mechanism Specification 29 Regulatory and Reliability Requirements 31 Chapter 2 Machine Disassembly and Reassembly 35 General Information 36 Disassembly Procedure 37 Removing the Stand Assy 38 Removing the IO Box 39 Disassembly the Main Unit 40 Chapter 3 Troubleshooting 44 Chapter 4 FRU Field Replaceable Unit List 47 Exploded Diagram 48 FRU List 50 ...

Page 7: ...Viewing angle 80o L 80o R 60o U 60o D I O functions T RCA jack for Audio Video T 21 Pin Euro SCART R G B T 15 pin D Sub for VGA T S Din for S Video T TV input PH jack for PAL system T Audio input Stereo right and left on RCA jack T Audio output Earphone jack Video Functions T Support PAL NTSC SECAM video format T Support 480i 480p format T Build in morion adaptive 2D Digital Comb filter T Build in...

Page 8: ...tts T Stand by 5 Watts Max Remote COntrollers T Multi function remote controller Speaker T Internal speaker 3W 2 stereo volume adjustable Others T On screen display adjustment function T ISP In System Programming function available for revising driver easily ...

Page 9: ...uttons IR LED Receiver Board Page 9 10 POWER DC DC 15V 15VDDM 12V 9VA_A 5V 5VA 5V_AUD 5V_7154 3VDDM 3 3V 3 3VA 2 5VDDM 1 8V 1 8VA I O BOARD Connector DVD CONNECTOR Sound L R Input PC Sound Input PC Sound L R Page 2 Teletext Page 5 PAL OPTION Tuner HEAD_PHONE SCART Signal CVBS_TTx Teletext R G B H Sync V Sync I2C I2C 48H 49H I2C 82H I2C 0X60H DVD Sound L R DVD Video DVD Board Page 2 NTSC OPTION Tun...

Page 10: ... Tuner FQ1216MK3 Page 3 AV RCA Connector S Video Page 3 Page 3 SCART Connector Page 4 Sound Processor MSP 3415G Page 5 CVBS1 AF SCART IN L R SCART OUT L R Page 5 Audio Switch AV L R TV L R L R Y C CVBS2 M B BLOCK C 1 5 Thursday December 30 2004 B Size Document Number Rev Date Sheet of ...

Page 11: ...Pin Definition Between Main Board and I O Board ...

Page 12: ...ution 600 vertical by 800 horizontal pixel array Please refer to panel specification for detail and updated information General Information Item Specification Unit Outline Dimension 448 W x 347 H mm Display area 20 1 inches Diagonal inch Number of pixel 800 H x600 V pixels Pixel pitch 0 51 H X 0 51 V mm Pixel arrangement RGB Vertical stripe Display color 16 7 M colors 8 bits Display mode T N Type ...

Page 13: ...6 ms Note 5 Rise time τr 5 ms Fall time τd 11 ms Gray to gray 16 ms Chromaticity of Wx 0 243 0 273 0 303 White CIE 1931 Wy 0 262 0 292 0 322 Chromaticity of Rx 0 612 0 642 0 672 Red CIE 1931 Ry 0 307 0 337 0 367 Chromaticity of Gx 0 254 0 284 0 314 Green CIE 1931 Gy 0 585 0 615 0 645 Chromaticity of Bx 0 111 0 141 0 171 Blue CIE 1931 By 0 038 0 068 0 098 Luminance of white Note4 ＹＬ 350 450 Cd m2 N...

Page 14: ...lack to White falling time and from White to Black rising time respectively The response time interval between the 10 and 90 of amplitudes Refer to figure as The response time is defined as the following figure and shall be measured by switching the input signal for black and white Note 6 Definition of contrast ratio Contrast ratio is calculated with the following formula Contrast ratio CR Brightn...

Page 15: ...white uniformity White uniformity is calculated with the following formula Luminance are measured at the following thirteen points 1 13 ΔW Minimum Brightness of 13 points Maximum Brightness of 13 points Normal Y E φ θ φ 0 Right φ 180 Left φ 270 Down φ 90 Up ...

Page 16: ...dicated Any signal outside of the limits any combination shall not cause any damage to the unit or driving source The range of operation is z PAL 4 43M Receivable VHF UHF CATV channels Auto preset tuning PAL 4 43 M 50 Hz B G D K H I PAL 4 43 M 60 Hz SECAM D K z TV system PAL and SECAM system Receivable Full frequency range From channel E2 48 25 MHz to channel E69 855 25 MHz ...

Page 17: ... while there is missing signal from selected input Video input CVBS Input Signal Type Analog Polarity Positive Level 1Vp p with Sync Impedance 75Ω 5 Interface RCA jack Yellow color S Video Input Signal Type Analog Polarity Positive Level Y 1Vp p with Sync C 0 286Vp p Impedance 75Ω 5 Interface DIN jack SCART R G B Input Signal Type Analog Polarity Positive Impedance 75Ω 5 Interface 21 Pin Euro SCAR...

Page 18: ... earphone Type Stereo R L Channels Jack 3 5mm Stereo Built in Speaker Max Audio output at 10 THD max at 1 0Vp p 1kHZ input 2W 2W Sound Distortion at 250mW 1kHZ 1 THD max Speaker Two of 3W Speaker impedance 4 ohms at 1kHZ Residual Hum at Min Volume 500uW Max Max Hum at Max Volume 1000uW Max Audio Line out Output level 400Vrms Type stereo R L channels Jack 3 5 m m stereo jack ...

Page 19: ...ange for PAL 55 25 801 2 5 MHZ 8 Audio sensitivity 40 dBuV VGA Input Separate Sync Level Low 0 to 0 8V High 2 0 to 5 V Polarity Positive or Negative Impedance 1 k ohm or higher R G B Input Signal comply with VESA Level 0 to 700mv Positive Rise Fall time 5ns Overshoot 10 of maximum transition Impedance 75Ω 5 Current Sink and Source When low level is asserted the maximum current sink from any single...

Page 20: ...Ground 13 Horizontal Sync 6 Red Ground 14 Vertical Sync 7 Green Ground 15 SCL DDC Clock 8 Blue Ground Terminals Configuration RF 75Ω DIN45325 IEC169 2 Type AV 1 S1 RCA for CVBS Audio R L S Din for S Video SCART SCART for R G B and Audio R L PC Analog Port D sub 15pin VGA PC Stereo input 3 5mm Earphone Jack Headphone 3 5mm Earphone Jack Service Port ISP through D sub ...

Page 21: ...Sound 2 Stereo System NICAM and FM Stereo A2 Channel System Full frequency range from channel E2 48 25 MHz to channel E69 855 25 MHz Subtitles Configuration Function define Closed Caption NO V Chip NO TeleText YES 10 pages Comb Filter This LCD TV shall have Motion adaptive 2D digital Y C separation improves the luma chroma separation process such that the luma and chroma are perfectly separated fo...

Page 22: ...r Polarity Vert Freq Hz Vertical Polarity Standard 1 720 400 31 47 70 VGA 2 640 480 31 47 60 VGA 3 640 480 37 861 72 VESA 4 640 480 37 50 75 VESA 5 800 600 35 156 56 VESA 6 800 600 37 879 60 VESA 7 800 600 48 077 72 VESA 8 800 600 46 875 75 VESA This LCD TV shall have 10 or more user modes for user to creat own timing This LCD TV would detect the used mode automatically ...

Page 23: ...tion from any power saving state to another can be instantaneous The recovery from Off state requires no manual power on Mode Hsync Vsync Video Power Indication Recovery time Power On On On Active 63W Green Stand by Off On Off 5W Amber 3s Suspend On Off Off 5W Amber 3s Off state Off Off Off 5W Amber 3s Power off 5W Dark Turn on 5s Sync on means normal operation Sync off means Hsync f 1kHz duty cyc...

Page 24: ...ected against writing or other corruption through customer accessible electrical connection and required communication channels Password protection use of an unpublished enable register or use of direct electrical connection is acceptable levels of protection provided that the power on Default State is that disabling writing The serial number fields in the EDID must contain a unique identifying nu...

Page 25: ...move icon to down position When OSD is off Press these buttons to select the TV channel in sequence VOL or VOL When OSD is on Press key to increase volume value or move icon to right position Press key to decrease volume value or move icon to left position When OSD is off Press these buttons to select the volume level INPUT Press this button to select the input TV AV1 S1 SCART VGA ...

Page 26: ...Remote Controller Key Definition ...

Page 27: ...ot displayed Y YELLOW Teletext command C CYAN Teletext command TEXT Toggles ON OFF Teletext mode HOLD Temporarily holds the current Teletext page SIZE Selects the size of the text in Teletext mode SUB PAGE Turns ON OFF the display of subpages for Teletext where available INDEX Brings up the initial Teletext page REVEAL Displays hidden information MIX Displays Teletext superimposed on top of the TV...

Page 28: ...plays a submenu with selections for the current menu option Increases a menu option value Selects the input source N A Turns the LCD TV ON OFF N A Activates the OSD main menu Returns to the previous menu or to normal viewing Displays the previous stored channel Selects the previous menu option Displays the next stored channel Selects the next menu option ...

Page 29: ...Stereo Mode Stereo Mono Main SAP Mode Main SAP Dual Stereo SAP Mode Stereo SAP Mono Mono Mode Mono Mono Stereo broadcasts View programs like live sporting events shows and concerts in dynamic stereo sound SAP broadcasts Receive TV broadcasts in either MAIN or SAP sound MAIN sound The normal program soundtrack either in mono or stereo SAP sound Listen to second language supplementary commentary and...

Page 30: ...OSD Menu Abstract Structure OSD Menu for EURO ...

Page 31: ...OSD Translations ...

Page 32: ...th a non replaceable fuse internally This converter shall be well designed to meet CE mark requirement Input Voltage and Frequency Range The operating range of line voltage shall be AC 90volts to 264volts 47HZ to 63HZ Power comsuption shall be under 63 Watts Variation of the line voltage throughout the applicable operating range shall not result in any visible image anomalies such as image movemen...

Page 33: ...The inverter which is used to light up back light of LCD panel shall be well designed to meet requirement of panel s specification ...

Page 34: ...0mm Cable Color Black color Quantity One SCART Cable Length 1 8meters 15mm 0mm Cable Color Black color Quantity One TV Antenna Cable Length 2 5meters 15mm 0mm Cable Color Transparent color Quantity One Remote Controller Multi function remote controller include battery Quantity One I O Board Reserved Others TV Users Guide Quantity One Remote Control Users Guide Quantity One Warranty Card Quantity O...

Page 35: ...cosmetic and functional requirements for customer visible surfaces Surface quality Surface color gloss texture blemishes and all other irregularities in the plastic shall comply with Quanta s approval sheet Fade and color change All external surfaces shall be sufficiently rugged to withstand normal operator usage without extreme visible deterioration in color Appearance Gap Specifications Refer to...

Page 36: ...s Height 429 mm Width 750 mm Depth 215 mm Base Tilt 0 15 Mass Mass of display with cable approx 8 0 Kg VESA Mounting Holes 100 m m 100 m m Packing Specifications Carton Label Refer to packing instruction Pallet Dimension Refer to packing instruction Shipping Container Stowing Method Refer to packing instruction ...

Page 37: ...Regulatory and Reliability Requirements Regulatory Requirements Product Safety Agency Approvals Emissions Susceptibility Power Management Reserved ...

Page 38: ...ting humidity 10 to 90 non condensing Storage and Shipping Storage temperature 20 C to 60 C Shipping temperature 20 C to 60 C Storage humidity 10 to 90 40 C non condensing Shipping humidity 10 to 90 40 C non condensing Altitude Operating altitude 0 to 12 000 feet Units tested at an altitude up to 12 000 feet must operate at normal conditions without exhibiting abnormal behavior such as arcing or s...

Page 39: ...repair to restore the product to full functionality The MTBF of this product shall be demonstrated to meet or exceed 50 000 hours 25 C at a 90 lower confidence limit under all operating conditions as specified in previous section Lamp life is not included All components including power and inverter shall be derate to 80 for active devices 80 for capacitors and 50 for resistive components except fo...

Page 40: ...2A AUO 20 inch 00 C2A MDRR MRR document 範本 C MSOffice Template 商用文書 SPEC1 dot 標題 VT1N product spec 主旨作者 Golden 關鍵字註解建立日期 2005 5 23 2 23 00 PM 修訂版編號 50 前次更新日期 2005 6 2 11 09 00 AM 前次存檔人員 89080103 編輯總時間 281 分鐘最後列印在 2005 6 14 10 49 00 AM 最後列印的字數頁數 35 字數 4 230 約字元數 24 116 約 34 ...

Page 41: ... electrostatic discharge T Wire cutter T Phillips screwdriver may require different size NOTE The screws for the different components vary in size During the disassembly process group the screws with the corresponding components to avoid mismatches when putting back the components Machine Disassembly and Replacement Chapter 2 ...

Page 42: ...on Before You Begin Before proceeding with the disassenbly procedure make sure that you do the following 1 Turn off the power to the system and all peripherals 2 Unplug the AC adapter and all power and signal cables from the system ...

Page 43: ...tion tells you how to disassemble the system when you need to perform system service Please also refer to the disassembly video if available CAUTION Before you proceed make sure you have turned off the system and all peripherals connected to it ...

Page 44: ...38 Chapter 3 Removing the Stand Assy 1 Remove the four screws securing the stand assy and remove it 2 Remove the screw securing the stand neck and stand base and seperate them ...

Page 45: ...39 Removing the IO Box 1 Remove the two screws securing the IO box and remove it 2 Remove the three screws securing the IO box shielding 3 Remove the screw securing the IO board and remove it from the IO bracket ...

Page 46: ...s securing the rear cover and remove it Disconnecting the Cables 1 Open the cable clamp on the bracket 2 Disconnect the speaker cable from the Mainboard 3 Disconnect the button board cable and IV board cable from the mainboard from left to right 4 Disconnect the cables from the IV board ...

Page 47: ...n board 1 Remove the three screws securing the button board and remove the botton board from the front bezel 2 Disconnect the button cable from the button board Removing the Wall Mount Assembly 1 Remove the eight screws securing the wall mount bracket 2 Lift the wall mount bracket and disconnect the FPC cable from the panel and remove the wall mount bracket ...

Page 48: ...s securing the mainboard and remove the mainboard 4 Disconnect the FPC cable from the mainbaord NOTE The mainboard color might be diffenent Removing the IV Board 1 Remove the four screws securing the IV board bracket and remove it 2 Disconnect the cable from the IV board 3 Remove the four screws securing the IV board ...

Page 49: ...r 3 43 Removing the Panel 1 Remove the nine screws securing the top panel bracket and remove it 2 Remove the nine screws securing the bottom panel bracket and remove it 3 Remove the panel from the front cover ...

Page 50: ...5V Check U30 3 3V correct Check U30 3 3V correct Check U20 Pin2 1 8V Check U20 Pin2 1 8V Check IO BOX Plug in Check IO BOX Plug in Check Power button correct Check Power button correct No No No Yes Yes Yes Yes Yes Change U17 Change U17 No Check Connection Check Connection Change U30 Change U30 No Change U20 Change U20 Change button or cable Change button or cable Check Xtal Y2 Check Xtal Y2 Yes Ch...

Page 51: ...hange CON10 Check CON5 VGA cable Check CON5 VGA cable No Characters Missing Color No Characters Missing Color No Check U12 Output Check U12 Output Yes No Check CON10 LCD connectors Check CON10 LCD connectors Check FFC Check FFC OSD adjust ok OSD adjust ok No Yes Re adjust Re adjust No Yes ...

Page 52: ...eck VGA cable Check VGA cable NO Change VGA Cable Change VGA Cable OK Check CON5 Check CON5 NO Check H V sync Input circuit Check H V sync Input circuit Change U12 Change U12 Change CON5 Change CON5 OK NO Change NG component Change NG component OK ...

Page 53: ...47 Chapter 4 ...

Page 54: ...made it will not be noted on 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 parts you shoul...

Page 55: ...48 Chapter 6 Exploded Diagram ...

Page 56: ...tton Assy 9 Screw T3X8 NI 10 Cable Assy MB Button 11 Cable VS8 M B FFC 50P 300MM REV3A 12 VS3 M B Assy EU 13 Cable Assy Inverter 15P REVIA GL 14 Inverter Bracket 15 INV Module LCE 16 Gasket LCD 17 Wall Mount Bracket Assy 18 Screw M3X4 0 I NI 19 IO Nut VTI 20 Back Cover 21 IO Cover 22 Screw T4X10 P BNI 23 Stand Assy 24 Screw M4X10 B BK NYLOK 25 Cable Assy EMI GND ...

Page 57: ... REMOTE CONTROLLER EU 25 M04V7 001 Adapter ADAPTER 15V 4 2A ADP 63BB B 100 240V 25 M04V7 001 Boards TUNER MODULE PAL 6M M04V7 001 MAIN BOARD PAL 55 M04V7 001 INVERTER BOARD 55 M04V7 002 BUTTON BOARD 55 M04V7 003 Case Cover Bracket Assembly STAND NECK ASSY 60 M04V7 001 STAND BASE ASSY 60 M04V7 002 ...

Page 58: ...005 I O COVER 42 M04V7 001 WALL MOUNT BRACKET ASSY 33 M04V7 001 INVERTER SHIELDNG 33 M04V7 002 LCD BRACKET AU 33 M04V7 003 Cables POWER CODE EU 3P 1 8M 27 M04V7 001 POWER CODE UK 3P 1 8M 27 M04V7 002 INVERTER CABLE 50 M04V7 001 AT2001 FRU List Picture No Partname And Description Part Number ...

Page 59: ... M03V7 018 CABLE SCART TO SCART 50 M03V7 019 LCD LCD TFT AU 20 1 A201SN02 V4 SVGA 56 M04V7 001 Miscellaneous AL FOIL LCD 47 M04V7 001 GASKET LCD 47 M04V7 002 Speaker SPEAKER ASSY C1H FG QT132 4P REV 1A L F 23 M04V7 001 Screws SCREW M4 10 B BK NYLOK SCREW T4 10 P BNI AT2001 FRU List Picture No Partname And Description Part Number ...

Page 60: ...Chapter 6 53 SCREW M3 0 6 0 I NI SCREW M3 4 I NI SCREW M3 0 12 0 B MC SCREW 3 X 20 4 B NI SCREW T3 8 P NI IO NUT VT1 MBVT1002 REV3A AT2001 FRU List Picture No Partname And Description Part Number ...

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