Acer AT1935 Page 12 Service Manual Download | Manualshive

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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

Display Hidden Information

Temporarily holds the 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

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Summary of Contents for AT1935

Page 1: ...Acer AT1935 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 ...

Page 2: ...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: ...lication 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 4: ...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 Acer is a registered trademark of Acer Incorporated...

Page 5: ...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 6: ...ll 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 S...

Page 7: ... and CVBS for YPbPr YCbCr Video and Audio 15 pin D Sub for VGA 19 pin D Sub for HDMI DIN45325 IEC169 2 Terminal for TV CATV input 3 5 Earphone jack for Audio Line input 3 5 Earphone jack for Headphone output Video Functions Support PAL NTSC SECAM video format Support 480i 576i 480p 576p 1080i and 720p format Build in Teletext functions Build in Dynamic adaptive smoothing filter Build in Dynamic te...

Page 8: ... 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 Others On screen display adjustment function ISP In System Programming function available for revising driver easily ...

Page 9: ...GB PC Audio TS FQD1216 MK5 PHILIPS SCART RGB Audio HDMI System Power EARPHONE 12V VCC INPUT OUTPUT Bidirectional AudioOUT ARd FB ARD FB Video OUT MT5331 YPbPr SCART AV Audio Audio IIS SCART1 RGB TMDS ADC DAC Scaler CVBS1 CVBS AV TI MT8291 TV_CVBS Amplifier TPA3100D2 R MT5131 DEMON L Dual LVDS ...

Page 10: ...Remote Control ...

Page 11: ...tion key up Navigate up in the OSD or next sub page in teletext mode down Navigate down in the OSD or pevious sub page in teletext mode left Navigate left in the 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 pr...

Page 12: ... Enter Leave subpage mode Reveal Display Hidden Information Temporarily holds the 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 ...

Page 13: ...V system TV Color system DVB T TV Color system PAL SECAM Sound system B G D K I L Stereo system NICAM A2 Subtitle Teletext 1 5 1000 pages Digital TV System Digital TV standard DVB T ISO11172 3 layer1 layer2 Sound system 32KHz 44 1KHz 48KHz Stereo system MPEG Layer I II Stereo 32 44 1 48KHz Teletext Yes Subtitle Yes EPG 7days EPG Frequency 7 8 MHz Video format 16bit YUV Resolution SD 576i 480i Term...

Page 14: ...GA 2 720 x 400 31 5 70 1 VGA 3 640 x 480 31 5 59 9 VGA 4 640 x 480 35 66 7 MAC 5 640 x 480 37 9 72 8 VESA 6 640 x 480 37 5 75 VESA 7 640 x 480 43 3 85 VESA 8 800 x 600 35 2 56 3 VESA 9 800 x 600 37 9 60 3 VESA 10 800 x 600 48 1 72 2 VESA 11 800 x 600 46 9 75 VESA 12 800 x 600 53 7 85 1 VESA 13 832 x 624 49 7 74 6 MAC 14 1024 x 768 48 4 60 VESA 15 1024 x 768 56 5 70 1 VESA 16 1024 x 768 60 75 VESA ...

Page 15: ...f 1W Red 10s Off state Off Off Off 1W Red 10s Power off 1W Dark Turn on 10s 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 saving modes for TV SCART or HDMI or Composite or Component inputs Performance Sp...

Page 16: ...ghtness should exceed 250 Cd m2 while set both of contrast and brightness to max and color temperature of Standard is selected Typical value would be 300 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 Input Voltage and Frequency Range The...

Page 17: ...wer when power offÆ on Current will stay below 500m amps at AC 240 volts while power onÆoff then ramp up to full power about 2 3 amps at AC 240 volts within 5 seconds when power up signal is triggered For the shut down sequence the current will stay at full power for about 150 m seconds or less then ramp down to 500m amps at AC 240 volts within 1 second Power on LED Location and Type Power on indi...

Page 18: ...Environmental Requirements This display shall meet the following environmental requirements under normal operating conditions ...

Page 19: ...idity 10 to 90 non condensing Altitude Units tested at an altitude up to 12 000 feet must operate at normal conditions without exhibiting abnormal behavior such as arcing or shutdown Operating altitude 0 to 12 000 feet Shipping altitude 0 to 40 000 feet Storage altitude 0 to 40 000 feet Vibration Test The packaged display shall be capable of passing sinusoidal vibration test as specified in follow...

Page 20: ...ts of specification Drop Test The packaged display shall be capable of passing drop test as specified in following specification without any measurable degradation in performance or detectable mechanical or cosmetic damage Dropping way 1 corner 3 edges 6 flats Dropping Height follow the below table Mass kg Drop Height m Surface Edge Corner 1 9 KG 0 76 0 76 0 76 10 19 KG 0 39 N A N A 20 29 KG 0 36 ...

Page 21: ... 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 electrical component EDID memory must be protected against writing or other corruption through customer accessible electrical connection and required communication channels Passwo...

Page 22: ...For HDMI input ...

Page 23: ... is drived by high voltage If you need to handle the 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 ...

Page 24: ...f 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: ...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 bezel from panel 10 Release 2pcs screws from left side of panel ...

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 ...

Page 27: ... symptom Verify the symptoms by attempting to re create the failure by running the diagnostic test or by 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 follow this chapter s instructions You can check the following ٛ Power cords are properly connected and secured ٛ There are no obvious ...

Page 28: ......

Page 29: ... the LVDS cable is well Poor picture Swap the test fixture Main Board Replace LVDS cable NTF END No Yes No Poor picture Replace Main Board No Press Power On Off Button to LED color show green Picture right Upload F W POOR PICTURE QUALITY Poor picture Yes Replace LCD panel Yes ...

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Page 32: ... whatever 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 re...

Page 33: ...CF9E LCD TV COVER SUB ASSY GP 35CF9ELS004 60 M8107 002 LCD BKT LEFT LCD BKT LEFT E9T PV FAE9T002 REV3B GP FAE9T002019 33 M480E 001 LCD BKT RIGHT LCD BKT RIGHT E9T PV FAE9T003 REV3C GP FAE9T003015 33 M480E 002 PCB SHIELDING PCB SHIELDING CF9E FACF9E01 REV3A GP FACF9E01013 33 M8107 001 SHIELDINGSPONGE SHIELDINGSPONGE E9T GBE9T001 3A 94 7 5GP GBE9T001013 33 M8107 002 WIRE MOUNTS WIRE MOUNTS L70L E EB...

Page 34: ...CREW SCREW IO NUT LI1 MBLI1004 REV3A GP MBLI1004018 86 M480E 007 SCREW SCREW F2 5 6 P NI WASHER GP MF25060PBN0 86 M480E 001 SCREW SCREW F3 10 BNI GP MF30100PJ23 86 M8107 001 SCREW SCREW F3 0 7 0 B NI GP MF30070BBJ1 86 M8107 002 SCREW SCREW F4 0 10 B BLACK GP MF40100BJ26 86 M1707 006 SCREW SCREW M3 5 B NI GP MM30050BBJ9 86 M8107 003 SCREW SCREW M3 6 B BNI GP MM30060BJ25 86 M08V7 003 SCREW SCREW M3 ...

Page 35: ... GBS9Q003011 2 18 LCD TFT 19 M190PW01 V0 WXGA QCI GP AAM190PW000 1 19 WIRE MOUNTS L70L E EBL70023 REV3A GP EBL70023013 2 20 PANEL HOOK W0VA FBW0VA05 REV3A GP FBW0VA05014 2 21 LCD BKT LEFT E9T PV FAE9T002 REV3B GP FAE9T002019 1 22 CABLE LVDS 30P 150MM CF9E GP DDCF9ELC001 1 23 CF9E M B ASSY AUO GP 21CF9MB0001 1 24 TV COVER CF9E EAE9T001 REV3B GP EAE9T001021 1 25 RATING LABEL AT1935 CF9E HCCF9E01 R3A...

Page 36: ...BBJ9 4 D SCREW M4 0 8 0 B NI WASHER GP MM40080BBW1 1 E IO NUT LI1 MBLI1004 REV3A GP MBLI1004018 2 F SCREW F2 5 6 P NI WASHER GP MF25060PBN0 8 G SCREW F4 0 10 B BLACK GP MF40100BJ26 5 H SCREW M4 6 I BNI NYLOK GP MM40060IL69 4 I SCREW F4 0 8 I BNI GP MF40080IJ23 4 J SCREW M3 0 4 0 B BLACK NYLOK GP MM30040B247 4 K SCREW F3 10 BNI GP MF30100PJ23 2 ...

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