Related Manuals for Acer AT1935
Summary of Contents for Acer AT1935
- Page 1 Acer AT1935 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 AT1935 service guide. Date Chapter Updates 2007/11/1 Chapter 1 ~ 4 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: 1440 x 900 4 CCFTs Backlight system Display area: 19 inches Display color: 16.7 M colors (RGB 6Bits+HiFRC) Input Signal: 2-ch LVDS Contrast ratio: 800:1 ( Typical ) Brightness: 300 Cd/m² ( Typical ) Response Time: 5 ms ( Typical ) Viewing angle: 80°...
- Page 8 Mechanical VESA mounting holes Compatibility Multi-Sound system NICAM FM Stereo ( A2 ) Power Source Input voltage: 90 ~ 264 V, 47 ~ 63 Hz Input current: 220Vac/1A Power consumption: 60 Watts Stand-by: 1 Watts Max. Remote controllers Multi-function remote controller Speaker Internal speaker: 3 W x 2 stereo, volume adjustable...
- Page 9 System Block & Wiring Diagram OUTPUT PANEL 1440x900 INPUT Bidirectional TPA3100D2 Amplifier +12V MT8291 ADC & DAC SCART-RGB Audio Dual LVDS Audio IIS MT5131 YPbPr-SCART DEMON MT5331 YPbPr-AV Scaler Y/C1 TV_CVBS CVBS1 DAC Audio R/L BUFR CVBS-AV TMDS EARPHONE SCART1-RGB...
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Page 10: Remote Control
Remote Control... - Page 11 Key Functions Remote Function description Remark (for R/C for Europe Key Functions cardreader) Power Power On/Off Display Display Channel and Input Source Mute Mute On/Off TV Turner SCART SCART Composite/Component/HDMI Sleep Sleep Timeer Off 15/30/45/60/90/120 Wide Scaling Mode ( Full/4:3 /16:9 /Panorama /Letterbox ) Menu Open Menu or leave Menu Four way direction key...
- Page 12 BILIGUAL Broadcast : Sound 1 / Sound 2 MONAURAL Broadcast: Mono FM-FM STEREO Broadcast: Stereo/Mono BILINGUAL Broadcast : Sound 1 / Sound 2 Volume up Volume up Volume down Volume down Teletext Teletext on/off Index Go to index page (usually page 100) Subpage Enter/Leave subpage mode Reveal...
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Page 13: Hardware Specification And Configuration
Hardware Specification and Configuration Electro/Optical Model AT1935 Panel specification Resolution(pixels) 1440x900 Brightness(min.) 300 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 Power saving Mechanical Dimensions(WxHxD mm) 612.29*814.44*261.45... -
Page 14: Firmware Specifications
D-Sub 15 pin VGA and 3.5∮ Earphone jack for Audio PC Analog Port 3.5∮ Earphone jack for Audio Headphone Service Port ISP through D-Sub Audio system Speaker 3 W x 2 Firmware Specifications Preset Mode for VGA Input 16 factory pre-set modes for VGA inputs are saved during the manufacturing process. Please press "Volume-"... -
Page 15: Performance Specifications
Power Saving While VGA is selected to be input, this LCD TV is equipped with a power-management according to VESA DPMS. There is a delay of 30±2 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 16 Inspection tolerance for CF9E as below: Brightness 250 nits White Balance ( 255/255 ) Dark Balance ( 60/255 ) COLD x 0.285 (+/-0.007); y 0.273 (+/-0.007) x 0.285 (+/-0.007); y 0.293 (+/-0.007) STANDARD x 0.300 (+/-0.007); y 0.310 (+/-0.007) x 0.300 (+/-0.007); y 0.310 (+/-0.007) WARM x 0.317 (+/-0.007);...
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Page 17: Overall Dimensions
Line Fuse The AC input shall be fused and become electrically open as a result of an unsafe current condition. This fuse is inside the power supply converter and is not user replaceable, and must be returned for replacement. This fuse shall be well selected to handle inrush 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 2.3 amps or lower when power off... -
Page 18: Environmental Requirements
Environmental Requirements This display shall meet the following environmental requirements under normal operating conditions. -
Page 19: Vibration Test
Operating 25° ± 5° for Purity, White Point, Mis-convergence, Luminance measurements and White uniformity measurement Operating temperature: 0°C to 35°C Operating 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 % ( non-condensing ) Shipping humidity: 10 % to 90 % ( non-condensing ) - Page 20 The unit under test shall be run for a duration of 30 minute in each of following orientations : Top and bottom side ( z axis ). Left and right side ( x axis ). Front and rear side ( y axis ). The unit shall suffer no visible cosmetic damage and should operate no degradation indisplay quality after test.
- Page 21 VESA DDC The VGA/HDMI inputs shall be capable of continuously transmitting its Extended Display Identification ( EDID ) information using Display Data Channel. It shall automatically switch to DDC2 mode if a DDC2 capable host is detected in accordance with the VESA DDC standard. In addition, the display can respond to a request for EDID, to be transmitted using DDC2, level B commands.
- Page 22 For HDMI input...
- Page 23 Machine Disassembly and Replacement General Information This chapter contains step-by-step procedures on how to disassemble the AT1935 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 24 1. Release 7pcs screws from rear cover and take off it. 2. Release 8pcs screws from speakers. 3. Release 2pcs screws from IR/B and take off it. 4. Release 4pcs screws from joints. 5. Disconnect the lamp cable, release 4pcs screws from left and right side of shielding, then take off the shieling with PCB boards.
- Page 25 6. Release 2pcs screws from panel hook and take off them. 7. Release 3pcs screws from left side of bezel. 8. Release 3pcs screws from right side of bezel. 9. Release 2pcs screws from panel hook and take off the 10.
- Page 26 11. Release 2pcs screws from right side of panel. 12. Release 12pcs screws from Main/B and Power/B. 13. Disconnect the Main/B, Power/B and IR/B.
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Page 27: Troubleshooting
Chapter 3 Troubleshooting Use the following procedure as a guide for Acer LCD TV AT1935 series problems. Note: The diagnostic tests are intended to test this model. Non-Acer products, prototype cards, or modified options could occur false errors and invalid system responses. - Page 29 POOR PICTURE QUALITY Start Connect with AC power code and RF Upload F/W cable or other source signal Press Power On/Off Button to LED color show green Picture right Swap the test Check the LVDS Poor picture fixture cable is well Main Board Replace Poor picture...
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Page 32: Fru (Field Replaceable Unit) List
Acer office to order FRU parts for repair and service of customer machines. 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 33 PARTS PART NAME DESCRIPTION TVE PART NO. ACER PART NO. Accessory BATTERY BATTERY LR03(SN) (ALKALINE,1.5V) GP AHDALR03120 23.M09V7.012 BATTERY BATTERY LR03GW/2SK (ALKALINE 1.5V) GP AHDALR03006 23.M480E.002 PANEL HOOK PANEL HOOK W0VA(FBW0VA05,REV3A)GP FBW0VA05014 47.M8107.001 POWER CORD POWER CORD B 1.8M SP-027/10A (SWIS) GP DM333181S19 27.L13VE.005...
- Page 34 CONDUCT TAPE CONDUCT TAPE L150W20 CF9E(JXCF9E02,3A)GP JXCF9E02011 47.M8107.004 EMI GASKET EMI GASKET L12W5T1 CF9E(JXCF9E03,R3A)GP JXCF9E03018 47.M8107.005 EMI GASKET GASKET 15X15 TUNER IV6(GBIV6E01,R3A)GP GBIV6E01011 47.M7407.002 LCD FILM LCD FILM W9ZA(JXW9ZA01,REV3B)GP JXW9ZA01019 47.M8107.006 PANEL CONTACT PAD PANEL CONTACT PAD (GBVT2010,REV3A)GP GBVT2010010 47.M01V7.004 SCREW SCREW IO NUT LI1(MBLI1004,REV3A)GP...
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Page 35: Exploded Parts List
Exploded parts list ITEM DESCRIPTION TVI PART NO. ACER PART NO. QTY BUTTON LABEL S9T(FFS9T001,REV3A)GP FFS9T001012 SPEAKER(8,5W, 77*42*24)L47.5,R71 P2 GP DND8508S014 ACER LOGO 26 VWE6(FFVWE003,REV3A) GP FFVWE003019 FUNCTION BUTTON S9Q(EBS9Q001,REV3A)GP EBS9Q001018 LENS E9T(EBE9T001,REV3A) GP EBE9T001013 CF9E KEYPAD/B ASSY GP 23CF9EKB009... - Page 36 FV2E IO/B ASSY GP 23FV2EIB009 SCREW M3.0*4.0-I(NI) GP MM30040IBJ9 SCREW F3.0*7.0-B (NI) GP MF30070BBJ1 SCREW M3*5-B-NI-+ GP MM30050BBJ9 SCREW M4.0*8.0-B(NI,WASHER)GP MM40080BBW1 IO NUT LI1(MBLI1004,REV3A)GP MBLI1004018 SCREW F2.5*6-P(NI,WASHER) GP MF25060PBN0 SCREW F4.0*10-B(BLACK) GP MF40100BJ26 SCREW M4*6-I (BNI)(NYLOK))GP MM40060IL69 SCREW F4.0*8-I (BNI) GP MF40080IJ23 SCREW M3.0*4.0-B BLACK(NYLOK)GP MM30040B247...