Related Manuals for Acer AT2621/22
Summary of Contents for Acer AT2621/22
- Page 1 Acer AT2621/22 LCD TV Service Guide Service guide files and updates are available on the ACER/CSD web. For more information, please refer to http://csd.acer.com.tw PRINTED IN CHINA...
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Page 2: Revision History
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... - Page 3 Copyright Copyright®2006 by Acer Incorporated. All rights reserved. No part of this publication 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...
- Page 4 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 5 Conventions The following conventions are used in this manual. SCREEN MESSAGES Denotes actual messages that appear on screen. Gives bits and pieces of additional information related to NOTE the current topic. Alerts you to any damage that might result from doing WARNING or not doing specific actions.
- Page 6 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.
- Page 7 Chapter 1 System Specification Specification LCD Panel Max. resolution: 1366 x 768 6 CCFTs Backlight system Display area: 575.769 (H) x 323.712 (V) Display color: 16.7 M colors Input Signal: 1-ch LVDS Contrast ratio: 800:1 ( Typical ) Brightness: 500 Cd/m² ( Typical ) Response Time: 8 ms ( Gray to Gray ) Viewing angle: 80°...
- Page 8 Film mode 3:2 & 2:2 pull down Screen display model: Auto / 4:3 / 16:9 / panorama / Letterbox 1,2,3 Mechanical VESA mounting holes Compatibility Multi-Sound system NICAM FM Stereo ( A2 ) Power Source Input voltage: AC: 90 ~ 264 V, 47 ~ 63 Hz Input current: 1A (AC 220V) Power consumption:...
- Page 9 System Block & Wiring Diagram PANEL INVERTER I/O Board POWER Tuner Board MAIN Board Scart RGB Scart RGB Line Out IR & power button Bd Key Board SPEAKER-L SPEAKER-R Chapter1...
- Page 10 LCD Main Board Block Diagram Chapter1...
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Page 11: Remote Control
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 Chapter1... - Page 12 Mute Mute On/Off TV Turner SCART SCART1/SCART2 AV3/HDMI1/HDMI2 Sleep Sleep Timeer Off 15/30/45/60/90/120 Wide Scaling Mode ( 4:3 /16:9 /Panorama /Letterbox ) Menu Open Menu or leave Menu Four way direction key Navigate up in the OSD or next (sub)page in teletext mode Navigate down in the OSD or pevious (sub) page in down...
- Page 13 Volume down Volume down Teletext Teletext on/off Index Go to index page (usually page 100) Subpage Enter/Leave subpage mode Reveal Display Hidden Information Temporarily holds the current teletext page if TEXT Hold Froze the picture if TEXT off Zoom page toggle 1X/2X Size Page select by Up-arrow and Down-arrow Teletext...
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Page 14: Hardware Specification And Configuration
Hardware Specification and Configuration Electro/Optical Model AT2621/22 Panel specification Resolution(pixels) 1366x768 Brightness(min.) 500 cd/m² Contrast ratio(min.) 800:1(Typ.) Display color 16.7 M Viewing angle 160(H)/160(V) Response(typ.) Power supply Input 90-264 V, 47-63 Hz Max. power Consumption 161W Power saving Mechanical Dimensions(WxHxD mm) 692.9*531.6*201... -
Page 15: Firmware Specifications
Firmware Specifications Preset 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. Chapter1... -
Page 16: Performance Specifications
Power Saving While VGA is selected to be input, this LCD TV is equipped with a power-management. There is a delay of 8 seconds before the transition from On-state to power saving state to avoid unintentionally entering of a power saving state during display resolution and timing mode changes. During the period of delay, the LED shall indicate green color and OSD will show “... - Page 17 Display Area, Phase, Center and Tilt Display Area: 26 inches diagonal H-Phase: Less than 1.5mm V-Center: C- D Less than 1.5mm Tilt: Less than 1.5mm, but non-active area must be larger than zero for four sides Max. Brightness The brightness should exceed 350 Cd/m while set both of contrast and brightness to max.
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Page 18: Overall Dimensions
Input Voltage and Frequency Range The operating range of line voltage shall be: AC 90 volts to 264 volts, 47 Hz to 63 Hz Power comsuption shall be under 190 Watts Variation of the line voltage throughout the applicable operating range shall not result in any visible image anomalies such as image movement, changes in light output, nor changes in image stability or quality. -
Page 19: Environmental Requirements
Environmental Requirements This display shall meet the following environmental requirements under normal 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... -
Page 20: Vibration Test
Storage humidity: 20 % to 80 % ( non-condensing ) Shipping humidity: 20 % to 80 % ( non-condensing ) Vibration Test The packaged display shall be capable of passing sinusoidal vibration test as specified in follows. Test condition as below : 1) Package sinusoidal vibration 7Hz, 1.05G acceleration, 20min/axe, 3axes 2) Random vibration,10-500 Hz, 1.47G RMS The unit under test shall be run for a duration of 30 minute in :... - Page 21 Surface Edge Corner 1~9 KG 0.76 0.76 0.76 10~19 KG 0.39 20~29 KG 0.36 30~39 KG 0.33 40~49 KG >=50 KG 0.25 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.
- Page 22 For HDMI input 1 For HDMI input 2 Chapter2...
- Page 23 Chapter1...
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Page 24: Machine Disassembly And Replacement
Machine Disassembly and Replacement General Information This chapter contains step-by-step procedures on how to disassemble the AT2621/22 series for maintenance and troubleshooting. To disassemble the TV, you need the following tools: Wrist grounding strap and conductive mat for preventing electrostatic discharge... - Page 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. Chapter2...
- Page 26 5. Release 3pcs screws from shielding. 6. Release 7pcs screws from shielding. 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.
- Page 27 13. Release 8pcs 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. Chapter3...
- Page 28 19. Release 4pcs screws as above show. 20. Disconnect the cables. Chapter3...
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Page 29: Fru (Field Replaceable 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. - Page 30 PARTS PART NAME DESCRIPTION TVE PART NO. ACER PART NO. Accessory REMOTE REMOTE CONTROL EURT54BEACQT1 GP DQ7T54BEA00 25.M25V7.001 BATTERY BATTERY LR03GW/2SK (ALKALINE 1.5V) GP AHDALR03006 23.M480E.002 BOARD MAIN/B IV2E M/B ASSY(FOR IV6E)AUO GP 21IV2EMB026 55.M5507.001 IO/B IV2E IO/B ASSY(EU) GP 23IV2EIB004 55.M5507.002...
- Page 31 RATING LABEL RATING LABEL IV4E(HCIV4E01,3A)MIC GP HCIV4E01014 MISCELLANEOUS GASKET RIGHT GASKET RIGHT AU CX(GBCX6003,REV3A) GP GBCX6003015 47.M26V7.002 GASKET UP GASKET UP R/L CMO HV9(GBHV9002,REV3A) GP GBHV9002013 47.M26V7.003 GASKET TUNER GASKET 15X15 TUNER IV6(GBIV6E01,R3A)GP GBIV6E01011 SCREW SCREW SCREW M4.0*4-I(NYLOK) GP MM40040ICI1 86.M11V7.001 SCREW SCREW T3*8-B(BNI) GP...
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Page 32: Exploded Parts List
Exploded parts list ITEM DESCRIPTION TVI PART NO. ACER PART NO. IV2E M/B ASSY(FOR IV6E)AUO GP 21IV2EMB026 55.M5507.001 IV2E IR/B ASSY GP 23IV2EIB012 55.M5607.004 IV2 KEYPAD/B ASSY GP 23IV2EKB001 55.M5607.005 IV6E FRONT BEZEL ASSY GP 32IV6EFB001 60.M5507.001 JL9J REAR-COVER ASSY GP 37JL9RCSA01 60.M26V7.002... - Page 33 CONDUCTIVE TAPE IV6(JXIV6E01,R3A)GP JXIV6E01011 LENS IV4E(EBIV4E01,REV3A) GP EBIV4E01013 60.M6707.004 AV3 BEZEL DUMMY JL9(EBJL9002,REV3A) GP EBJL9002011 47.M6707.009 GASKET 15X15 TUNER IV6(GBIV6E01,R3A)GP GBIV6E01011 SCREW T3*12-P(BNI)(WASHER)GP MS30120PJ67 86.M6707.001 SCREW M4.0*12-R ALLEN HEADER BLACK GP MS40120R002 LVDS MYLAR IV6(FCIV6E01,R3A)GP FCIV6E01011 SCREW M4*6-I (BNI)(NYLOK))GP MM40060IL69 WIRE CLIP CH-10(EBVT2001,REV3A) GP EBVT2001011 47.M12V7.004...