Acer AT3220A Technical Information

Acer AT3220A/3220B/3220 LCD TVService Guide Project Code: T58

4 Chapter 1Board LayoutCable ArrangementNo. Connector Cable Description1 CN908 (Power Board) Inverter Cable2 CN903 (Power Board) <-->CON15 (Main

Chapter 1 5LCD TV OverviewA general introduction to Acer LCD TV ports, functions and indicators.AT3220A/AT3220B/AT3220 Front panle viewThe panel view

6 Chapter 1T3220A Rear panel view# Item # Item1 Power switch 6 PC Audio-in2 AC-in 7 AV-Audio L/R + COMPONENT 1/23 HDMI 8 AV-Audio L/R + CVBS 1/24 VGA-

Chapter 1 7AT3220B Rear panel view# Item # Item1 Power switch 6 Audio L/R + CVBS + COMPONENT2 AC-in 7 Audio L/R + CVBS + COMPONENT 1/23 HDMI 8 Audio L

8 Chapter 1AT3220 Rear panel view# Item # Item1 Power switch 5 PC Audio-in2 AC-in 6 AV-Audio L/R + CVBS + COMPONENT3 HDMI 7 SCART4 VGA-in 8 Analog ant

Chapter 1 9AT3220A Remote controllerGeneral KeysNo. Item Description1 POWER Press to turn your TV on/off.2 DISPLAY Press to display input/channel info

10 Chapter 18 ENTER Press to confirm channel number selection.9 MENU Press to open or close the Menu.10 CC Press to select close caption and text serv

Chapter 1 11AT3220B Remote controllerGeneral KeysNo. Item Description1 POWER Press to turn your TV on/off.2 DISPLAY Press to display input/channel inf

12 Chapter 1Teletext8 ENTER Press to confirm channel number selection.9 MENU Press to open or close the Menu.10 TTX/MIX (TELETEXT/MIX) Press to return

Chapter 1 13AT3220 Remote controllerGeneral KeysNo. Item Description1 POWER Press to turn your TV on/off.2 DISPLAY Press to display input/channel info

IIRevision HistoryPlease refer to the table below for the updates made on Acer LCD TV AT3220/3220A/3220B service guide.Date Chapter Updates2006/08/08

14 Chapter 1Teletext12 WIDE Press to toggle scaling mode between 4:3; 16:9, Panorama and Letterbox 1, 2, 3 modes.13 MPX Press to select the sound inpu

Chapter 1 15Basic connectionConnecting the power cord1. Connect the AC cord into the AC input on the back of the set.2. Connect the male plug to the w

16 Chapter 1Connecting an antenna/cableConnect the antenna cable to the appropriate antenna terminal on the back of the TV set as shown below.Getting

Chapter 1 174. Scan for analog channels.5. Setup is now complete. You are ready to begin watching TV.If you leave the setup process before it is compl

18 Chapter 1Connecting external audio/video deviceConnecting a DVD, VCR, STB or audio/video equipmentConnect your DVD player, VCR or audio/video equip

Chapter 1 19For AT3220B:YYellowRedWhiteBlueGreenRW

20 Chapter 1For AT3220:Connecting a camera, camcorder, video am or headphonesConnect your camera or camcorder to the video/audio ports on the rear of

Chapter 1 21Connecting a PC or notebook computerTo display PC output on your TV, connect your PC or notebook computer to the TV as shown below.For AT3

22 Chapter 1For AT3220:Selecting the input sourceOnce you have connected your antenna or external equipment to the TV, you need to select the correct

Chapter 1 23For AT3220A/AT3220B:For AT3220:No Item Input Button Guide1 TV key Toggle Analog TV (ATV) between input sources.2 AV key Toggle AV1, AV2, A

IIICopyrightCopyright © 2006 by Acer Incorporated. All rights reserved. No part of this publication may be reproduced, transmitted, transcribed, sto

24 Chapter 1OSD navigationMany of the advanced settings and adjustments are available through using the OSD (onscreen display) menus, as shown in the

Chapter 1 25Adjusting the OSD settingsThe OSD can be used for adjusting the settings of your LCD TV.Press the MENU key to open the OSD. You can use th

26 Chapter 1NOTE: The options available on the OSD may vary depending on the TV signal source.

Chapter 1 27Empowering TechnologyThe Empowering Key opens up the Acer Empowering Technology functions. In TV mode, the choice is between Scenario mode

28 Chapter 1Default setting in different Empowering modeScenario mode in TV (default setting)Scenario mode has five preset viewing modes designed to g

Chapter 1 29OSD NavigationMany of the advanced settings and adjustments are available through using the OSD (on screen display) menus, as shown in the

30 Chapter 1TeletextMost TV channels also broadcast information via the teletext feature. This Acer LCD TV has 252 pages of memory which will store pa

Chapter 1 31Advanced FeaturesPIP/PBP/POPT Press the PIP/PBP button once to display activate picture-in-picture (PIP).T Press twice to activate picture

32 Chapter 1NOTE: In PIP and PBP, the VGA and DVI sources only support input up to 1360x768 pixels at 60Hz. For resolutions higher than this, “Out of

Chapter 1 33to enable this feature:Setting a personal PIN1Press the MENU key on the remote control to bring up the OSD.2Use the directional keys to na

IVConventionsThe following conventions are used in this manual:SCREEN MESSAGES Denotes actual messages that appear on screen.NOTE Gives bits and piece

34 Chapter 1Hardware Specifications and ConfigurationsElectro / Optical1. Size of screen32 inches for AT320A/AT3220B/AT32202.LCD panel supplierAUO3.Sc

Chapter 1 35MainsAudio / Acoustical1. Power supply electrical specificationThe power supply for this product is an internal converter, with a non-repl

36 Chapter 1Hard / Soft Performance1. Languages supportedCzech, Danish, Dutch, English, French, German, Italian, Polish, Portuguese, Russian, Spanish

Chapter 1 37PIP/PBPO: supportX: not supprot• POP (1+5, 1+12) Main and Sub Screen Combination9. TTX level • FLOF level 1.5 source can be RF, DVBT or

38 Chapter 1Connectors14. Video management • User adjustments: contrast, brightness, color, tint (NTSC), sharpness• Color temperature: cold, middle-

Chapter 1 39Environmental RequirementsThe TV shall meet the following environmental requirements under normal operating conditions.TransportationVibra

40 Chapter 1Drop TestThe packaged display shall be capable of passing drop test as specified in following specification without any measurable degrada

Chapter 2 41This chapter contains step-by-step procedures on how to disassemble the notebook computer for maintenance and troubleshooting.To disassemb

42 Chapter 3General InformationBefore You BeginBefore proceeding with the disassembly procedure, make sure that you do the following:1. Turn off the p

Chapter 3 43Disassembly Procedure FlowchartThe flowchart on the succeeding page gives you a graphic representation on the entire disassembly sequence

VPrefaceBefore using this information and the product it supports, please read the following general information.1. This Service Guide provides you wi

44 Chapter 3Disassembling Steps1. Remove the six screws fastening the stand to the LCD TV, then remove the stand.2. Remove the twenty screws (10 are T

Chapter 3 4514. Remove three screws fastening the power support bracket.15. Then remove another three screws holding the power support bracket on the

46 Chapter 325. Remove the two screws holding the IR board then disconnect the cables and remove the IR board.26. Remove the four screws fastening the

Chapter 3 47Use the following procedure as a guide for Acer LCD TV AT3220A/AT3220B and AT3220 problems.NOTE: The diagnostic tests are intended to test

48 Chapter 4AT3220A Troubleshooting Guideline1. Can not power onCheck Power codePower codePlug in?Replace Power board or Main board Or IO board or A

Chapter 4 492. LCD no backlighInverter power Cable had Plug inChange Inverter Power CableLCD Panel BacklightBright ?Replacement Power/BReplacement LCD

50 Chapter 43. Remote controller does not have functionRemote Control have battery?Change BatteryIR Board Cable plug inCheck IR/B cable or Replacement

Chapter 4 514. Button key does not have functionKey Board Cable plug inCheck K/B cable or Replacement K/B CablePress Menu Key check have Function?Repl

52 Chapter 45. RF no displayRF Cableplug inCheck RF cable or Replacement RF CableReplacement I/O boardRF Can Display ENDReplacement M/BEnono

Chapter 4 536. Component 1, 2 no displayComponent Cable plug in?Check Component cable or Replacement Component Cable Replacement I/O Board Component c

VI

54 Chapter 47. AV1, AV2 no displayCVBS Cable plug in?Check CVBS cable or Replacement CVBS Cable Replacement I/O Board CVBS cat displayENDReplacement M

Chapter 4 558. Speaker does not have soundAudio R/L sourcehad plug IN? Check Audio R/L source cableReplacement IO/B or Speaker Video can Display ?Chec

56 Chapter 49. VGA no displayDVI Cable plug in?Check DVI cable or Replacement DVI CableRead EDID DATAEDID Data Normal?ENDWrite EDID dataDVI can displa

Chapter 4 5710. DVI no displayDVI Cable plug in?Check DVI cable or Replacement DVI CableRead EDID DATAEDID Data Normal?ENDWrite EDID dataDVI can displ

58 Chapter 411. HDMI no displayHDMI Cable plug in?Check HDMI cable or Replacement HDMI CableRead EDID DATAEDID Data Normal?ENDWrite EDID dataHDMI can

Chapter 4 5912. HDMI no soundHDMI Cableplug in ?Check HDMI cable or Replacement HDMI CABLE Read EDID DATAEDID Data normal ?Write EDID dataSound outpu

60 Chapter 413. VGA/DVI no soundSound Normal ? Replacement Main/BMTurn off Mute functionVolume set to 50 PC/DVI can Display ?Check Video cable or PC o

Chapter 4 6114. Component no soundComponent Cable plug in?Check Component cable or Replacement Component CableComponent Sound Normal? Replacement IO/B

62 Chapter 415. AV1/S-video no soundAV1/S-Video/R-L Cable plug in?Check Video and R-L cable or Replacement Video or R-L CableAV1/S-Video Sound Normal?

Chapter 4 63This chapter gives you the FRU (Field Replaceable Unit) listing in global configurations of AT3220A/AT3220B/AT3220. Refer to this chapter

Chapter 1 1FeaturesThis LCD TV was designed with the user in mind. Here are just a few of its many features:LCD PanelT Max. resolution: 1366x768T Disp

64 Chapter 4AT3220A Exploded Diagram

Chapter 4 65AT3220A/AT3220B/AT3220 FRU ListPicture Part Name (Description) Part NumberACCESSORYREMOTE CONTROLLER - USA 25.M25V7.001REMOTE CONTROLLER -

66 Chapter 4IO/TURNER BOARD - PAL AUS 55.M12V7.005MAIN BOARD - PAL EU FOR AU 55.M25V7.005MAIN BOARD - NTSC NA FOR AU 55.M28V7.002MAIN BOARD - PAL AUS

Chapter 4 67CABLE - MB TO POWER BOARD 10P 50.M25V7.003CABLE - ADUIO TO POWER BOARD 8P/7P 50.M25V7.004CABLE - MB TO KEY TO IR TO LED 50.M25V7.005SPEAK

68 Chapter 4FRONT BEZEL ASSY 60.M25V7.001BACK COVER ASSY 60.M25V7.002STAND ASSY 60.M25V7.003LCD SUPPORT BRACKET - LNote: The picture shows left and ri

Chapter 4 69SWITCH BRACKET 33.M25V7.005EMI SHIELDING 33.M25V7.006STAND SUPPORT BRACKET 33.M25V7.007FUNCTION KEY 42.M25V7.001PCB HOLDER - PAL EUNote:

70 Chapter 4SPEAKER ASSY - LNote: The picture shows left and right speaker. Left speaker is on the left side.23.M25V7.001SPEAKER ASSY - RNote: The pic

Chapter 4 71CARTON CLASP VW7(JXVW7001,3A) 47.M08V7.020AT3220A/AT3220B/AT3220 FRU ListPicture Part Name (Description) Part Number

2 Chapter 1SpeakerT Internal speaker: 10 W * 2 stereo, volume adjustableT Amplimfier: 8W * 2 stereo, volume adjustable

Chapter 1 3System Block DiagramSystem Block and Wiring DiagramLCD Main Board Block DiagramMAIN BoardSPEAKER IR Receiver Key BoardComponent2 Component1