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Chapter 2

Removing the Main Board and I/O Board

1.

This is the upper view of the main board and the location of those connectors.

2.

Disconnect the keypad to main board cable.

3.

Disconnect the speakers to main board cable.

4.

Disconnect the LVDS to main board cable.

5.

Disconnect the inverter board to main board cable.

6.

Disconnect the power board to main board cable.

7.

Disconnect the other power board to main board cable.

8.

Disconnect the power switch to main board cable.

9.

Release the ten screws fastening the main board and the I/O board.

10.

Remove them together then separate them.

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Summary of Contents for AT3203

Page 1: ...AT3203 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 ...

Page 2: ...II PRINTED IN TAIWAN ...

Page 3: ...III Revision History Please refer to the table below for the updates of LCD TV AT3203 service guide Date Chapter Updates ...

Page 4: ...ublication 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 ...

Page 5: ... 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 Intel is a registered trademark of Intel Corporation ...

Page 6: ... 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 7: ...will 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...

Page 8: ...Cord 10 Connecting an Antenna Cable 10 Connecting a DVD VCR STB Audio Video Equipment 11 Connecting a Camera Camcorder Video Headphones 12 Connecting a Desktop Notebook Computer 13 Selecting the Input Source 13 OSD Navigation 14 Navigating the OSD with the Remote Control 14 Adjusting the OSD Settings 15 Empowering Technology 17 Set up Empowering mode 17 Defaulting setting in different Empowering m...

Page 9: ...ing the ESD Shield Top 32 Removing the Main Board and I O Board 33 Removing the Power Supply Board 35 Removing the PCD Holder 36 Removing the Keypad Board and the Power Button Board 37 Removing the LCD 38 Removing the Speakers 38 Chapter 3 Troubleshooting 39 Chapter 4 FRU Field Replaceable Unit List 49 Parts 50 Exploded Diagram 55 ...

Page 10: ...TV input 3 5 mm earphone jack for audio line input Video functions Support PAL NTSC SECAM video format Support 480i 576i 480p 576p 1080i and 720p format Built in teletext functions Built in dynamic adaptive smoothing filter Built in dynamic temporal frame filtering noise reduction Built in dynamic motion and edge adaptive de interlacing Film mode 3 2 2 2 pull down Screen display model 16 9 4 3 pan...

Page 11: ...erating temperature 0 o C to 35 o C Operating humidity 10 to 90 non condensing Storage temperature 20 o C to 60 o C Shipping temperature 20 oC to 60 oC Storage humidity 10 to 90 non condensing Shipping humidity 10 to 90 non condensing Others On screen display adjustment function ISP In System Programming function available for revising driver easily ...

Page 12: ...cal Dimensions W x H x D mm 854 x 527 x 207 Weight Kg lbs 15 5 34 2 Gross Weight Kg lbs 16 6 36 4 Wall Mounting mm 200 x 100 Analog TV system TV color system PAL SECAM Sound system B G D K L multi European Stereo system NICAM A2 TV Tuner system PLL 45 25MHz 862 25MHz Subtitles Teletext 1 5 Analog TV tuner quantity One Terminal Analog Tuner In Yes SCART1 CVBS In Out RGB In AudioR L SCART2 CVBS In O...

Page 13: ...4 Chapter 1 Block Diagram System Block Wiring Diagram I O Board Scart RGB Scart RGB Tuner SPEAKER L IR power button Bd Key Earphone Board SPEAKER R INVERTER PANEL Board POWER MAIN Board ...

Page 14: ...Audio SW 744052 TA1218 AV Switch AV1 AV2 S1 S2 R G B H V TUNER AV S Video Video Switch 743257 YPbPr1 SCART1 YPbPr2 SCART2 SCART RGB AV2 S2 R L AV1 S1 R L TUNER SIF AV3 YPbPr R L SIF MB R L AUDIO Signal PC IN R L YPbPr3 YPbPr AV3 AV3 IO R L IO R L Button IR LVDS Audio Switch YPbPr2 R L YPbPr1 R L HDMI SiI9011 HDMI R L I2S D A Audio HDMI IN0 to PW328 option ...

Page 15: ...on functions the same as the Right arrow Volume down When the OSD is on functions the same as the Left arrow 2 Input key When the OSD is on press this button to confirm selection 3 Menu key Turns the OSD menu On and Off 4 Channel up When the OSD is on functions the same as the Up arrow Channel down When the OSD is on functions the same as the down arrow 386 32 5 ...

Page 16: ...e same audio ports HDMI only for AT2604 AT2704 AT3204 AT3704 DVI only for AT2603 AT2604 AT2703 AT2704 AT3204 AT3704 2 AC in 3 HDMI in 4 VGA in 5 DVI in 6 Audio in 7 AV in 8 SCART x 2 9 Analog antenna in 1 2 3 4 5 9 7 1 2 4 5 6 9 1 2 4 6 9 7 AT3704 AT3204 AT2704 AT2604 AT3203 AT2703 AT2603 AT3202 AT2602 6 8 8 7 8 ...

Page 17: ... the displayed picture 11 DISPLAY Press to display input channel information dependent on input source type 12 WIDE Press to toggle scaling mode between 4 3 16 9 Panorama and Letterbox 1 2 3 13 MENU Press to open or close the Menu 14 e Empowering technology Activate Acer Empowering Technology 15 Directional keys OK 16 MPX Press to select the sound input displayed in the top right hand corner mono ...

Page 18: ...s to switch from TV AV to Teletext mode 5 SIZE Press once to zoom teletext page to 2X Press again to resume 6 MIX Press to overlay teletext page on the TV image 7 HOLD Press to pause the current teletext page in multi page viewing mode 8 SUBPAGE Press to access the teletext s subpages directly 9 Colour buttons R G Y B Operates corresponding button on the teletext page ...

Page 19: ...Cord 1 Connect the AC cord into the AC input on the back of the set 2 Connect the plug to the wall outlet as shown Connecting an Antenna Cable Connect the antenna cable to the appropriate antenna terminal on the back of the TV set as shown below Analog ...

Page 20: ...ocated at the rear of the LCD TV as shown NOTE Acer recommends the priority for connection 1 HDMI 2 DVI 3 Component 2 SCART 3 Composite HDMI only for AT2604 AT2704 AT3204 AT3704 DVI only for AT2603 AT2604 AT2703 AT2704 AT3204 AT3704 6RXUFH 1 5 5 5 5 8 2 20326 7 20321 17 6 57 9 9 RU 9 9 5 67 RU 0 6XE 9 6XE 9 9 HOORZ 5HG KLWH OXH UHHQ 5 ...

Page 21: ...TE SCART out only works with analog broadcasts Connecting a Camera Camcorder Video Headphones Connect the camera or camcorder to the video audio ports on the bottom of the TV set as shown below 9 5HFRUGHU 6 57 79 287 ...

Page 22: ...ng the Input Source Once you have connected your antenna or external equipment to the TV you need to select the correct input source Press the corresponding button on the remote control to select the correct input source 1 TV key Toggle Analog TV ATV between input sources 2 AV key Toggle AV3 and HDMI between input sources 3 SCART key Toggle SCART1 and SCART2 between input sources 4 PC key Toggle V...

Page 23: ...ont panel view for details There are six main OSD menus These are Picture Audio Channel management Options Settings and Empowering Use the following method to navigate these menus 1 Press the MENU button on the remote control or the MENU button on the control panel 2 Select your desired menu by using the up and down directional keys to switch between the six menus 3 Use the directional keys to int...

Page 24: ...r down keys to adjust the sliding scale Press OK to save 4 The Audio menu can also be used to adjust the treble balance sound effects and other important sound related settings Adjusting the channel management 1 Press the MENU key to bring up the OSD 2 Using the directional keys select Channel management from the OSD 3 Use the directional keys to navigate the menus 4 The Channel management menu ca...

Page 25: ...16 Chapter 1 NOTE The options available on the OSD may vary depending on the TV signal source Some digital options may not be available with an analog signal and vice versa ...

Page 26: ...Empowering Key s default setting 1 Press and hold the Empowering Key for more than two seconds to open the menu The TV mode Empowering Key settings menu will come out as below 2 Use the directional keys to navigate the menu and select the Empowering Technology icon 3 Press MENU to exit Now when you press the Empowering Key your chosen selection will be accessed 0 18 HIDXOW VHWWLQJ LQ GLIIHUHQW PRG...

Page 27: ...s is accomplished through optimal Gamma correction plus saturation brightness and contrast adjustments Movie mode makes the most of high definition movie sound tracks Game Game mode carefully details the exquisite graphics of modern video games providing lifelike entertainment while protecting your eyesight by adjusting brightness and contrast What s more Game mode provides a heightened audio expe...

Page 28: ...e control 2 Use the directional keys to navigate the menu and select the Empowering Technology icon 3 Navigate to a channel slot use CH up down or number key to change channel There are a total of five slots in which you can store TV programs Viewing the favorite channels On the remote control if you press the Empowering Key for less than one second the TV will toggle between the five stored TV ch...

Page 29: ...ress the Activate key to toggle between PIP screens 2 Press the TV AV SCART or PC keys number keys or CH up or down to change the content of the active screen 3 Press SWAP key to change the content between the primary and the subscreen 4 Press the POSITION key to select the location of the subscreens from the upper leftJupper rightJlower rightJlower left as shown in the image 5 Press the SIZE MODE...

Page 30: ...P 1 Press the ACTIVE key to toggle between PBP screens 2 Press the TV AV SCART or PC keys number keys or CH up or down to change the content of the active screen 3 Press the SWAP key to change the content between the primary and the PBP screen POP 1 Press the ACTIVE key to toggle between POP screens 2 Press the number keys or CH up or down to change the TV channel on the active screen 3 Press the ...

Page 31: ...ess the MENU key on the remote control to bring up the OSD 2 Use the directional keys to navigate to the Settings menu Then select Set PIN 3 Enter a four digit password Type it again and press OK to reconfirm 4 Press MENU to exit Locking a single channel 1 Navigate to the channel you wish to manage 2 Press the MENU key on the remote control to bring up the OSD 0 18 0 18 0 18 0 18 ...

Page 32: ...channel 4 Enter you PIN Type it again and press OK to reconfirm Locking your TV 1 Press the MENU key on the remote control to bring up the OSD 2 Use the directional keys to navigate to the Settings menu Then select Lock TV 3 Enter a four digit password Type it again and press OK to reconfirm 0 18 0 18 0 18 ...

Page 33: ...to re scan for new channels please follow the steps below Scanning for channels 1 Press the MENU key on the remote control to bring up the OSD 2 Use the directional keys to navigate and select Channel management 3 Highlight Auto Scan Then select Start and press OK to begin 4 Select OK and press MENU to exit 0 18 0 18 0 18 0 18 ...

Page 34: ...e the display between the four wide modes 4 3 For 4 3 standard pictures a side bar will appear on each side 16 9 In this mode the whole picture is stretched toward each side of the screen Panorama In this mode the picture is progressively stretched toward each side of the screen Letterbox 1 2 and 3 In this mode the picture is enlarged linearly to fit the screen The top and bottom portions of the p...

Page 35: ...26 Chapter 1 Dimensions AT3202 AT3203 AT3204 979 9 700 6 103 5 530 0 600 3 64 2 395 3 452 7 400 0 100 0 138 7 251 5 100 0 ...

Page 36: ...Chapter 1 27 Source Options 3 3 3 3 0DLQ 6XE 79 6 57 6 57 9 9 79 6 57 6 57 9 9 323 0DLQ 6XE 79 6 57 6 57 9 9 79 6 57 6 57 9 9 ...

Page 37: ...nd conductive mat for preventing electrostatic discharge T Small Philips screw driver T Philips screw driver NOTE The screws for the different components vary in size During the disassembly process group the screws with the corresponding components to avoid mismatch when putting back the components When you remove the stripe cover please be careful not to scrape the cover Machine Disassembly and R...

Page 38: ... 2 Unplug the AC adapter and all power and signal cables from the system NOTE There are several types of screws used to secure the product The screws vary in length Please group the same type of screws together during the disassembly process as well as remember the screw location for each screw type If you fasten the screws to the wrong location the screws may cause damage to the product ...

Page 39: ...oving the TV Stand 1 Release the four screws fastening the TV stand 2 Then pull out the TV stand Removing the I O Cover 1 Release those screws marked in yellow for removing the I O cover 2 Slide the I O cover shown as arrows then detach it ...

Page 40: ...31 Chapter 2 Removing the Rear Cover 1 Release those screws as shown for removing the rear cover 2 Then lift the rear cover ...

Page 41: ...Chapter 2 32 Removing the ESD Shield Top 1 Release the nine screws securing the ESD shield top 2 Then lift the ESD shield top as shown ...

Page 42: ...he speakers to main board cable 4 Disconnect the LVDS to main board cable 5 Disconnect the inverter board to main board cable 6 Disconnect the power board to main board cable 7 Disconnect the other power board to main board cable 8 Disconnect the power switch to main board cable 9 Release the ten screws fastening the main board and the I O board 10 Remove them together then separate them ...

Page 43: ...Chapter 2 34 ...

Page 44: ...35 Chapter 2 Removing the Power Supply Board 1 Release the seven screws fastening the power supply board and the cable then detach the power supply board ...

Page 45: ...Chapter 2 36 Removing the PCD Holder 1 Release those screws marked in yellow 2 Then lift the PCD holder as shown ...

Page 46: ... Power Button Board 1 Release the five screws fastening the keypad board then detach it 2 Release the four screws fastening the power button board then detach it 3 They are the keypad board and the power button board with their corresponding cables ...

Page 47: ...8 Removing the LCD 1 Release the four screws on the LCD brackets 2 Then lift the LCD Removing the Speakers 1 Release the four screws securing the speaker 2 Repeat the anterior two steps to remove the other speaker ...

Page 48: ...te the failure running the diagnostic tests or repeating the same operation 3 Disassemble and assemble the unit without any power sources 4 If any problem occurs you can perform visual inspection before you fellow this chapter s instructions You can check the following 1 Power cords are properly connected and secured 2 There are no obvious shorts or opens 3 There are no obviously burned or heated ...

Page 49: ...Power on No power on No 1 LCD Fail 2 4 10 7 5 3 Remote Control Fail DDC POP PIP Fail RF No Signal HDTV Fail TV Channel Fail Unit Hang Up Suddenly AV1 AV2 AV3 Speaker No Sound Can t Change to Factory Mode Button Function Fail 9 8 6 Yes ...

Page 50: ...Chapter 3 41 1 Power Cord Power Cable Power Board Main Bard END Replacement Replacement Replacement Replacement N G N G N G N G ...

Page 51: ...hapter 3 2 LCD No Back Light LCD No Display CCFT Cable Inverter Board LCD Panel Main Board END END LCD Panel Main Board LCD Cable Replacement Replacement Replacement Replacement N G N G N G N G N G N G N G ...

Page 52: ...Chapter 3 43 3 Button Board I O Board Main Board END Replacement Replacement Replacement N G N G N G ...

Page 53: ...44 Chapter 3 4 Main Board END Replacement N G 5 IR Cable IR board Main Board END Replacement Replacement Replacement N G N G N G ...

Page 54: ...Chapter 3 45 6 IO Board Main Board END Replacement Replacement N G N G 7 Button Cable Button Board Main Board END Replacement Replacement Replacement N G N G N G ...

Page 55: ...46 Chapter 3 8 Power Board Main Board END Replacement Replacement N G N G ...

Page 56: ...Chapter 3 47 9 Speck Cable Speaker Head phone Cable Main Board IO Board END Replacement Replacement Replacement Replacement Replacement N G N G N G N G N G ...

Page 57: ...48 Chapter 3 10 Button Cable Button Board IO Board Main Bard END Replacement Replacement Replacement Replacement N G N G N G N G ...

Page 58: ...is changed 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 service NOTE To scrap or to return the defective parts you should follow the local governm...

Page 59: ...OR HH2 55 M12V7 002 POWER BOARD DPS 180TP PWR 180W DPS 180TP A 90 264VAC 55 M12V7 003 I O TURNER BOARD PAL EU HH6 IO B ASSY EU 55 M12V7 004 MAINABOARD W DVI FOR AU PAL EU HH2 M B ASSY EU DVI AU 55 M23V7 001 N A INVERTER BOARD AU T315XW01 V5 INVERTER BOARD AU T315XW01 V5 19 M03V7 004 CABLE N A POWER CORD EU POWER CORD SP 023 IS 14H05VV F3P 1 8M EU 27 M03V7 002 LVDS CABLE FOR AU MB TO LCD CABLE ASSY...

Page 60: ... SPEAKER CABLE CABLE ASSY HH2 SPEAKER 2P 3P 4P 1A 50 M12V7 005 CABLE MB TO IR TO KEYPAD CABLE ASSY HH2 AV3 EAR 10P4P 7P 1A 50 M12V7 006 CABLE AUDIO TO POWER CABLE ASSY VV3 AUDIO PW 8P 7P 1A L F 50 M03V7 004 GROUND CABLE CABLE ASSY HH2 GND 1P 1P 1A 50 M12V7 007 CASE COVER BRACKET ASSEMBLY STAND ASSY HH2 STAND ASSY 60 M12V7 001 REAR COVER REAR COVER H32 EAH32002 REV3 A 60 M12V7 002 Category Partname...

Page 61: ...A 33 M23V7 001 ESD TOP PLATE ESD TOP VWE2 FAVWE010 RE V3B 33 M12V7 004 LCD BRACKET LCD CHASSIS SIDE HH2 FAHH2001 REV3 A 33 M12V7 005 PCS HOLDER HH2 PCB HOLDER ASSY 33 M12V7 006 FUNCTION KEY FUNCTION KEY VWE6 EBVWE016 RE V3A 42 M12V7 003 N A EMI GASKET PANEL L EMI GASKET PANEL L HH2 GBHH2006 REV3 A 47 M12V7 001 N A EMI GASKET PANEL R EMI GASKET PANEL R HH2 GBHH2005 REV3 A 47 M12V7 002 LCD Category ...

Page 62: ...I SCREW M4 6 P NI 86 M01V7 002 N A SCREW M3 8 B BNI SCREW M3 8 B BNI 86 M12V7 001 N A SCREW M4 20 B BNI WASHER SPR ING SCREW M4 20 B BNI WASHER SPR ING 86 M12V7 002 N A SCREW M3 5 P BNI SCREW M3 5 P BNI 86 M12V7 003 N A SCREW M4 16 B BNI SCREW M4 16 B BNI 86 M12V7 004 N A SCREW F4 0 8 B NI SCREW F4 0 8 B NI 86 M12V7 005 N A SCREW T3 12 B NI EP SCREW T3 12 B NI EP 86 M12V7 006 N A SCREW T3 0 10 0 P...

Page 63: ... N A CARTON CLASP CARTON CLASP VW7 JXVW7001 3A 47 M12V7 101 N A EPS FORM TOP EPS FOAM TOP HH2 HBH H2001 REV3A 47 M12V7 102 N A EPS FORM BASE EPS FOAM BASE HH2 HB HH2002 REV3A 47 M12V7 103 N A EPS FORM PIZZA BOX EPS FOAM FOR PIZZA BOX HH2 HBHH2007 3A 47 M12V7 104 N A CARTON BASE CARTON BASE HH2 HFHH2001 REV3A 47 M12V7 105 N A CARTON COVER CARTON COVER HH 2 HFHH2007 3A AT32 02 ACER 47 M12V7 106 Cate...

Page 64: ...7 2 19 WIRE CLIP CH 10 2 20 WIRE SADDLE MWS 7 VV3 1 21 EMI GASKET PANEL R HH2 1 22 EMI GASKET PANEL L HH2 1 23 ESD TOP VWE2 1 24 SCREW M3 5 P BNI 41 25 REAR COVER H32 1 26 IO PLATE REMOVABLE H32 1 27 SCREW M3 8 B BNI 4 28 SCREW M4 20 B BNI WASHER SPRING 4 29 PWR 180W DPS 180TP A 90 240VAC EU 1 30 HH2 M B ASSY EU AU 1 31 HH6 IO B ASSY EU 1 32 CABLE ASSY HH2 AV3 EAR 10P4P 7P 1A EU 1 33 CABLE ASSY HH...

Page 65: ...SPEAKER ASSY HH2 FG QT124A R 1 12 MT30120BBN7 SCREW T3 12 B NI EP 8 13 FAHH2001010 LCD CHASSIS SIDE HH2 2 14 MM40100BJ23 SCREW M4 10 B BNI 10 15 MF40080BBJ7 SCREW F4 0 8 B NI 20 16 AAT315XW206 LCD TFT 31 5 T315XW01 V5 WXGA EU 1 17 35HH2PHTN01 HH2 PCB HOLDER ASSY 1 18 EBVWE011018 CLIP STANDOFF VWE7 2 19 EBVT2001011 WIRE CLIP CH 10 2 20 EBVV3010011 WIRE SADDLE MWS 7 VV3 1 21 GBHH2005016 EMI GASKET P...

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