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Acer AT2621/22 LCD TV

                  Service Guide

PRINTED IN CHINA

Service guide files and updates are available on
the ACER/CSD web. For more information,
please refer to http://csd.acer.com.tw

Содержание AT2621/22

Страница 1: ...Acer AT2621 22 LCD TV Service Guide PRINTED IN CHINA Service guide files and updates are available on the ACER CSD web For more information please refer to http csd acer com tw ...

Страница 2: ...Revision History Please refer to the table below for the updates of LCD TV AT2621 22 service guide Date Chapter Updates 2007 10 10 Chapter 1 3 1st edition II ...

Страница 3: ...cation may be reproduced transmitted transcribed stored in a retrieval system or translated into any language or computer language in any form or by any means electronic mechanical magnetic optical chemical manual or otherwise without the prior written permission of Acer Incorporated III ...

Страница 4: ...cer 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 Acer is a registered trademark of Acer Incorporated ...

Страница 5: ...its 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 V ...

Страница 6: ... 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 you should check the most up to date information available on your regional web or channel For whatever reason if a part number change is made it will not be noted in the printed Ser...

Страница 7: ...or Video S Video R G B and Audio RCA jack YUV and CVBS for YPbPr YCbCr Video and Audio RCA jack R and L for Audio Line Out the output will change according to user s selection 15 pin D Sub for VGA 19 pin HDMI connector 2 DIN45325 IEC169 2 Terminal for TV CATV input 3 5 mm Earphone jack for PC Audio Line input Video Functions Support PAL NTSC SECAM video format Support 480i 576i 480p 576p 1080i and...

Страница 8: ...AM FM Stereo A2 Power Source Input voltage AC 90 264 V 47 63 Hz Input current 1A AC 220V Power consumption 161 Watts Stand by 2 Watts Max Remote controllers Multi function remote controller Speaker Internal speaker 5 W x 2 stereo Others On screen display adjustment function ISP In System Programming function available for revising driver easily Chapter1 2 ...

Страница 9: ...System Block Wiring Diagram I O Board Scart RGB Scart RGB Tuner SPEAKER L IR power button Bd Key Board SPEAKER R INVERTER PANEL Board POWER MAIN Board Line Out 3 Chapter1 ...

Страница 10: ...LCD Main Board Block Diagram Chapter1 4 ...

Страница 11: ...Remote Control Key Functions Remote Function description R C for Europe Key Functions Remark for cardreader Power Power On Off Display Display Channel and Input Source 5 Chapter1 ...

Страница 12: ...e OSD right Navigate right in the OSD OK Selection Confirm Channel key 1 Number key 1 2 Number key 2 3 Number key 3 4 Number key 4 5 Number key 5 6 Number key 6 7 Number key 7 8 Number key 8 9 Number key 9 0 Number key 0 Recall Return to previous channel Enter Enter to confirm channel selection by number key Channel UP Channel up Channel Down Channel down Volume key NICAM STEREO Broadcast Stereo M...

Страница 13: ... current teletext page if TEXT on Hold Froze the picture if TEXT off Zoom page toggle 1X 2X Size Page select by Up arrow and Down arrow Teletext Turn teletext mode on off Subtitle Show subtitle on the screen R Colour button to operate the teletext G Colour button to operate the teletext Y Colour button to operate the teletext C Colour button to operate the teletext 7 Chapter1 ...

Страница 14: ...stination PAL SECAM Color System CCIR B G D K I and L L Sound System Sound 1 and Sound 2 Stereo System NICAM and FM Stereo A2 Channel System Full frequency range from 48 25 MHz to 863 25 MHz Terminal RF DIN45325 IEC169 2 Type SCART 1 Euro SCART RGB for Video S Video RGB and Audio SCART 2 Euro SCART RGB for Video S Video RGB and Audio AV RCA for YPbPr or CVBS and Audio R L Line Out Audio R L Output...

Страница 15: ...Mode for VGA Input 16 factory pre set modes for VGA inputs are saved during the manufacturing process Please press Volume Channel POWER to enter the LCD TV factory mode This LCD TV would detect the used mode automatically 9 Chapter1 ...

Страница 16: ...m Off state requires no manual power on Mode Signal Power Indication Recovery time Power On On 190W Green Stand by Off 3W Red 5s Power off 3W Red Turn on 6s Sync on means normal operation Sync off means Hsync f 1 KHz duty cycle 25 Vsync f 10 Hz duty cycle 25 The power consumption is valid over the specified voltage and frequency range Power comsuption is measured from AC source There are no power ...

Страница 17: ... A E D C F B Max Brightness The brightness should exceed 350 Cd m2 while set both of contrast and brightness to max and color temperature of Standard is selected Typical value would be 500 Cd m2 Power Supply Electrical Specifications The power supply for this product is an internal converter with a non replaceable fuse internally This converter shall be well designed to meet CE mark requirement 11...

Страница 18: ...nrush current for all combinations of line voltage and frequency Hot plug and power on off sequence Once hot plug occurs at the very first time the initial current should be limited at 0 87 amps or lower when power off Current will stay below 100 m amps while power on then ramp up to full power about 0 87 amps at AC 220 volts within 5 seconds when power up signal is triggered For the shut down seq...

Страница 19: ...operating conditions Operating 25 5 for Purity White Point Mis convergence Luminance measurements and White uniformity measurement Operating temperature 0 C to 35 C Operating humidity 20 to 80 non condensing Storage and Shipping Storage temperature 20 C to 60 C Shipping temperature 20 C to 60 C 13 Chapter1 ...

Страница 20: ...e unit shall suffer no visible cosmetic damage and should operate no degradation indisplay quality after test Additionally prior to production and prior to implementation of any design or manufacturing change that might affect vibration performance a minimum of 2 units shall be demonstrated to meet the requirements of specification Drop Test The packaged display shall be capable of passing drop te...

Страница 21: ...B commands If a DDC2 capable host is detected by the display the display shall switch to DDC2 communication The EDID shall contain the manufacture name code QCI product code date of manufacture and serial number For complete EDID data structure please refer to VESA Extended Display Identification Data Standard Hardware implementation may be either integrate into micro controller or be a separate e...

Страница 22: ...For HDMI input 1 For HDMI input 2 Chapter2 16 ...

Страница 23: ...17 Chapter1 ...

Страница 24: ...he module during operation or just after powered off you must take proper precautions against electric shock and must not touch the drive circuit portion and metallic part of module within 10 minutes The capacitors in the drive circuit portion remain temporarily charged even after the unit is powered off If the residual voltage is strong enough it could result in electric shock Thus we strongly su...

Страница 25: ...1 Release 2pcs screws and take off the base 2 Release 8pcs screws from rear cover 3 Release 7pcs screws from rear cover 4 Release 8pcs screws from joint 19 Chapter2 ...

Страница 26: ...ielding 7 Release 5pcs screws from Power B and GND cable 8 Release 3pcs screws from Power B 9 Release 7pcs screws from Main B and IO B 10 Release 6pcs screws from PCB tray 11 Release 4pcs screws from support bracket 12 Release 2pcs screws from bezel dummy Chapter2 20 ...

Страница 27: ...pcs screws from speakers 14 Release 2pcs screws from IR B 15 Release 3pcs screws from Button B 16 Release 5pcs screws as above show 17 Release 5pcs screws from panel 18 Release 4pcs screws as above show 21 Chapter3 ...

Страница 28: ...19 Release 4pcs screws as above show 20 Disconnect the cables Chapter3 22 ...

Страница 29: ...ever reasons a part number change is made it will NOT be noted on the 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 ...

Страница 30: ...Y CABLE ASSY HV9 GND 1P 1P 2A GP DD0HV9TH108 50 M26V7 004 PWR CORD PWR CORD B 1 8M SP 027 10A SWI GP DM333181J29 27 M11V7 001 Case Cover Bracket Assembly LCD BEZEL ASSY IV6E FRONT BEZEL ASSY GP 32IV6EFB001 60 M5507 001 REAR COVER JL9J REAR COVER ASSY GP 37JL9RCSA01 60 M26V7 002 STAND ASSY IV6E STAND ASSY GP 26IV6ESA000 60 M6707 001 STAND BASE STAND BASE IV6E EAIV6E02 REV3A GP EAIV6E02016 PANEL BKT...

Страница 31: ... 8 B BNI GP MT30080BJ20 86 M08V7 007 SCREW SCREW F3 0 6 B NI GP MF30060BBJ6 86 M25V7 002 SCREW SCREW M3 6 B BNI GP MM30060BJ25 86 M08V7 003 SCREW SCREW M4 6 P NI GP MM40060PCE2 86 M01V7 002 SCREW SCREW T4 10 B BNI GP MT40100BJ29 86 M26V7 001 SCREW SCREW M4 8 B BNI GP MM40080BJ26 86 M26V7 002 SCREW SCREW M4 6 I BNI NYLOK GP MM40060IL69 SCREW SCREW T3 12 P BNI WASHER GP MS30120PJ67 86 M6707 001 SCRE...

Страница 32: ...9 18 CABLE INV 14P 4P 6P 320MM AUO V2 GP DDIV6EIV003 50 M6707 001 1 19 CABLE LVDS 50P 30P 225MM IV6E AUO V2 GP DDIV6ELC024 50 M6707 002 1 20 CABLE PW AUDIO 8P 7P 180MM IV6E GP DDIV6EAB006 50 M5507 001 1 21 CABLE MB PWR 10P 110MM R3A VA1 GP DD0VA1PB013 50 M01V7 004 1 22 CABLE SPEAKER 4P 3P 2P R1A HX6A GP DDHX6ASP009 50 M5307 003 1 23 IV2E IO B ASSY EU GP 23IV2EIB004 55 M5507 002 1 24 CABLE KEY IR 1...

Страница 33: ...002011 47 M6707 009 1 42 GASKET 15X15 TUNER IV6 GBIV6E01 R3A GP GBIV6E01011 1 43 SCREW T3 12 P BNI WASHER GP MS30120PJ67 86 M6707 001 8 44 SCREW M4 0 12 R ALLEN HEADER BLACK GP MS40120R002 6 45 LVDS MYLAR IV6 FCIV6E01 R3A GP FCIV6E01011 1 46 SCREW M4 6 I BNI NYLOK GP MM40060IL69 20 47 WIRE CLIP CH 10 EBVT2001 REV3A GP EBVT2001011 47 M12V7 004 1 Chapter3 27 ...

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