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Chapter 6

100

CABLE - SPEAKER-L 3P/3P

CABLE ASSY VWE7
SPEAKER-L 3P/3P R2A EP

50.M08V7.007

CABLE - SPEAKER-R 3P/2P

CABLE ASSY VWE7
SPEAKER-R 3P/2P R2A EP

50.M08V7.008

CABLE - IO BOARD TO AV3/
EARPHONE 6P/6P

CABLE ASSY VWE7 IO-AV3
6P/6P R2A EP

50.M08V7.009

CABLE - MB TO DMA 24P/24P

CABLE ASSY VWE7 MB-
DMA 24P/24P R2A EP

50.M08V7.010

CABLE - MB TO KEYPAD/IR/PWKEY
EP

CABLE ASSY VWE7 MB-
KEY/IR/PWKEY R2A EP

50.M08V7.011

CABLE - LCD (CMO37) TO
CONVERTER

CABLE ASSY VWE7
LVDS.PWR(CMO37) R2A EP

50.M08V7.012

CABLE - LVDS(CMO37) TO MB

CABLE ASSY VWE7
LVDS(CMO37) R2A EP

50.M08V7.013

Image

PARTNAME

DESCRIPTION

PART NO.

Содержание AT3705-DTV

Страница 1: ...AT3705 Service Guide PRINTED IN TAIWAN Service guide files and updates are available on the AIPG CSD web for more information please refer to http csd acer com tw...

Страница 2: ...II Revision History Please refer to the table below for the updates made on AT3705 service guide Date Chapter Updates...

Страница 3: ...expressed or implied with respect to the contents hereof and specifically disclaims any warranties of merchantability or fitness for any particular purpose Any Acer Incorporated software described in...

Страница 4: ...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...

Страница 5: ...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 OR...

Страница 6: ...ations 1 Introduction 1 Chapter3 Machine Disassembly and Replacement 32 General Information 33 Disassembly Procedure 34 Chapter 4 Troubleshooting 50 Chapter 6 FRU Field Replaceable Unit List 94 Explod...

Страница 7: ...C Max Power Consumption 280W 280W Power Saving 5W 5W Mechanical Dimensions WxHxD mm 1018 L x 616 H x 210 W mm 1018 L x 616 H x 210 W mm Weight Kg 36 0 36 0 Weight lb 79 3 79 3 Gross Weight Kg 42 42 Gr...

Страница 8: ...omponent2 HD in YPbPr YCbCr Audio R L YPbPr YCbCr Audio R L Component3 HD in YPbPr YCbCr Audio R L YPbPr YCbCr Audio R L AV1 in CVBS S Video Audio R L CVBS S Video Audio R L AV2 in CVBS S Video Audio...

Страница 9: ...3 On line media Live365 NA Compliance UPnP compliant INMPR compliant DLNA NA Operating system Linux NA Networking WLAN 802 11b g 11 54Mbps NA Networking Fast Ethernet 10 100Mbps NA Model AT3705 MGW A...

Страница 10: ...atic Discharges FP Front panel keypad IC Integrated Circuit IF Intermediate Frequency IR Infra Red KP Keypad MN Menu MTBF Mean Time Between Failure OIRT International Radio and Television Organization...

Страница 11: ...HF Very High Frequency Ultra High Frequency Y C S Video signals Luminance Chrominance YprPb Video Components Luminance R Y B Y FB Fast Blanking SB Slow Blanking USB Universal Serial Bus HDMI High defi...

Страница 12: ...0 072 White 0 285 0 293 data from CMO panel specification 8 Color temperature Five modes are adjustable Cold 16 000 degree K Middle cold 14 000 degree K Standard 12 000 degree K Middle warm 10 000 de...

Страница 13: ...tra wide viewing angle 176 H 176 V CR 20 16 Gamma the gamma value global value must be between 2 2 and 2 6 measured from DVI 17 Response time TR TF 16ms data is provided from CMO panel specification 1...

Страница 14: ...rent condition This fuse is inside the power supply converter and is not user replaceable and must be returned for replacement This fuse is well selected to handle inrush current for all combinations...

Страница 15: ...W Speaker impedance 8 ohms at 1kHZ Residual Hum at Min Volume 500uW Max Max Hum at Max Volume 1000uW Max 4 Analog TV Audio modes AM FM mono stereo sound1 sound2 5 Audio Enhancement Stereo SRS WOW BBE...

Страница 16: ...The TV pass in standby mode upon The button power is pressed keypad or remote control On the selected source no sync signal after 8 mins 5 Analog tuner performances No PARAMETER MIN TYP MAX UNIT NOTE...

Страница 17: ...urce video graphic main by ATV sub POP main sub 1 5 1 12 In PIP POP PBP mode de interlacer does not support to 1080i PIP PBP 1 Support Video by Video 2 Support Video by Graphic support Graphic signal...

Страница 18: ...Q Q Q Q Q Q Q Q Q SCART3 Q Q Q U Q Q Q Q Q Q Q Q Q Q SCART4 Q Q Q Q U Q Q Q Q Q Q Q Q Q Component 1 U U U U U U U U U U U U U U Component 2 U U U U U U U U U U U U U U AV1 Q Q Q Q Q Q Q U Q Q Q Q Q Q...

Страница 19: ...RT2 SCART3 SCART4 Component 1 Component 2 AV1 AV2 DTV MGW Card VGA DVI HDMI TV U Q Q Q Q Q1 Q1 Q Q Q Q2 Q2 Q2 Q2 SCART1 U U U U U U U U U U U U U U SCART2 U U U U U U U U U U U U U U SCART3 U U U U U...

Страница 20: ...ion Chroma transcient improvement Luma transcient improvement 3D Comb filter De interlacer 14 Time to synchronize during a source channel change within 4 sec to obtain a stable Display 15 Video manage...

Страница 21: ...HDMI 22 MGW module Ref to Alpha MGW s specification 23 Card reader function Ref to Alpha MGW s specification 24 IR performances The reception distance indicate the distance between IR emitter and rece...

Страница 22: ...e in CVBS mode or YC mode 3 AV SCART OUTPUT Output signals TV CVBS out Left Right 4 AV LEVEL Compatibility VIDEO Type CVBS Analog Polarity Positive Level 1Vp p with Sync Impedance 75 5 Interface 1 RCA...

Страница 23: ...r 2 Euro_SCART Black AUDIO Type PC line in Stereo R L Channels Level 500 mVrms Impedance More than 22Kohm Interface 3 5mm Stereo jack bluish color Type Stereo R L Channels Level 500mVrms Impedance Mor...

Страница 24: ...Hz 59 940Hz 60Hz 576i 720 x 576 SD 50Hz 576p 720 x 576 SD 50Hz 720p 1280 x 720 HD 50Hz 59 940Hz 60Hz 1080i 1920 x 1080 HD 50Hz 59 940Hz 60Hz Format Resolution Type Vertical frequency VGA 640 x 480 59...

Страница 25: ...80 85Hz 8 56Hz 9 800X600 60Hz NO Timing V Freq Hz 1 720X400 DOS 70 Hz 2 640X480 DOS 60 Hz 3 72 Hz 4 75 Hz 5 640X480 VESA 85 Hz 6 56 Hz 7 60 Hz 8 72 Hz 9 75 Hz 10 800X600 VESA 85 Hz 11 60 Hz 12 70 Hz 1...

Страница 26: ...D Interlace 60Hz 28 640X350 70Hz 29 720X400 70Hz 30 640X480 66 7Hz 31 832X624 75Hz 32 1024X768 75Hz 33 1152X870 75Hz 10 Sound management in GRAPHIC in HDMI the audio source is inside the HDMI signal I...

Страница 27: ...active window 14 HIFI On the HIFI outputs the user can connect an external audio amplifier the selected signal is the same as the loudspeaker The output level is 500mV RMS 15 Loudspeakers Max Audio i...

Страница 28: ...VGA connector fem following VESA DVI D connector HDMI type A following EIA CEA 861B 3 Card reader type Compact Flash Type I II Smart Media Secure Digital card XD card Memory Stick Memory Stick pro Mu...

Страница 29: ...C69 2 fem RF digital input IEC69 2 fem SCART1 RGB CVBS SCART EN 50 049 1 SCART2 YC CVBS SCART EN 50 049 1 SCART3 RBG CVBS SCART EN 50 049 1 SCART4 YC CVBS SCART EN 50 049 1 Component1 Y U V 3 x RCA Au...

Страница 30: ...ode Amber In normal operation Blue 7 Pin code The pin code allows to lock the complete TV or execute channel lock A menu is displayed after the POWER UP of the TV For operation of this function please...

Страница 31: ...SERVICE 1 Software upgrade Mainboard software and DVB T software update available by after sales service Services term shall follow Service Contract defined with customers...

Страница 32: ...be contained to shipout with LCD TV Cables Power Cord Lan cable is provided with MGW model only Remote Controller Remote controller AAA battery Others User Manual Warranty Card Quick guide MGW instal...

Страница 33: ...external surfaces shall be sufficiently rugged to withstand normal operator usage without extreme visible deterioration in color The delta E must not exceed the value of 0 5 after 400 hours of UV tes...

Страница 34: ...285 mm Base Tilt 0 Swivel 0 Mass Mass of display with cable approx 42 Kg VESA Mounting Holes According to Vesa FPMPMI standard 4 holes 300 mm x 100 mm 4mm 0 7 pitch threaded in the rear center for ARM...

Страница 35: ...ating humidity 10 to 90 non condensing Storage and Shipping Storage temperature 10 C to 60 C Shipping temperature 10 C to 60 C Storage humidity 10 to 90 non condensing Shipping humidity 10 to 90 non c...

Страница 36: ...lowing EMC regulations CE Mark compliance EN60950 EN 55022 CISPR 22 Class B IEC 1000 4 2 ESD EN55024 2 or EN61000 2 IEC 1000 4 3 RS Radiated EN55024 3 or EN61000 3 IEC 1000 4 4 EFT EN55024 4 or EN6100...

Страница 37: ...For the purposes of demonstrating the MTBF of this product a failure is defined as the inability of the product to function in accordance with this specification A failure event interrupts the expect...

Страница 38: ...ng electrostatic discharge T Small Philips screw driver T Philips screwdriver T Plastic flat head screw driver T Tweezers NOTE The screws for the different components vary in size During the disassemb...

Страница 39: ...all power and signal cables from the system 3 Remove the battery pack NOTE There are several types of screws used to secure the product The screws vary in length Please refer the picture below group t...

Страница 40: ...to release speaker cable 2 Remove the four screw securing the right speaker 3 Remove the right speaker 4 Repeat the same steps for left speaker 5 Remove the four screws securing the right speaker bra...

Страница 41: ...e TV stand module 2 Remove the TV stand module Remving the I O 1 Remove the six screws securing the I O cover 2 Remove the I O cover 3 Remove the 20 screws securing the I O bracket 4 Remove the I O br...

Страница 42: ...uts securing the down cover 3 Push the down cover a little bit backward 4 Remove the down cover as shown 5 Remove the 20 screws securing the back cover 6 Lift the back cover up 7 Disconnect the left s...

Страница 43: ...DIsconnect the right speaker connector from the back cover 10 Remove the two screws securing the right speaker board 11 Remove the back cover as shown Removing the Top Shielding 1 Remove the screws s...

Страница 44: ...ing connectors and antennas 2 Remove the six screws securing the DMA board and remove it Removing the Power Board 1 Disconnect the connectors from power board DMA M B DMA CardReader DMA LANboard Anten...

Страница 45: ...from converter board 2 Remove the four screws securing the converter board 3 Remove the converter board Removing the Audio Board 1 Disconnect the cables from audio board 2 Remove the four screws secu...

Страница 46: ...d 1 Disconnect the connectors from I O board 2 Remove the four screws securing the I O board and four screws securing the A tuner board 3 Remove the I O board and A tuner board 4 Separate the I O boar...

Страница 47: ...move the four screws securing the heatsink 2 Remove the heatsink from the main unit Removing the Ethernet Board 1 Remove the two screws securing the ethernet board 2 Remove the ethernet board 3 Discon...

Страница 48: ...Removing the D tuner 1 Remove the three screws securing the D tuner 2 Remove the D tuner Removing the M B and D tuner Board 1 Disconnect the cables from Mainboard and D tuner board M B LVDS M B inver...

Страница 49: ...d 3 Remove the two screw three short nuts and four long nuts securing the D tuner board 4 Remove the M B and D tuner board 5 Separate the M B and D tuner board Removing the Card Reader module 1 Remove...

Страница 50: ...the ground wire 3 Turn the card reader module over and disconnect the cables from card reader module 4 Disconnect the cables from AV3 board 5 Remove the two screw securing the AV3 board and remove it...

Страница 51: ...ving the Bezel Skirt 1 Remove the 6 screws securing the bezel skirt 2 Remove the bezel skirt Removing the IR Board Power Button Board and Keypad Board 1 2 Remove the two screws securing the keypad boa...

Страница 52: ...s securing the IR board and remove the two screws securing the power button board Removing the PCB Chassis 1 Disconnect the cables from LVDS board 2 Remove the 7 screws on chassis bottom view 3 Remove...

Страница 53: ...Chapter 3 47 4 Remove the PCD chassis as shown Removing the Antenna 1 Open the clip to release the antenna 2 Remove the antenna Removing the LCD Panel 1 Remove the two screws on the right...

Страница 54: ...ove the two screws on the left 3 Remove the LCD panel 4 Remove the two screws securing the right side bracket 5 Remove the four screws securing the down bracket 6 Remove the right side bracket side br...

Страница 55: ...Chapter 3 49 7 Remove the down bracket 8 Repeat the same steps for left side and top bracket...

Страница 56: ...AT3705 Troubleshooting Guideline...

Страница 57: ...J10 J4 VGA DVI HDMI J7 Power Board 37 LCD Panel 12 18V Power board CMO Only LCD Inverter Key B IR B LED B I O Board A Tuner Board DMA Board DVBT ATSC Board D Tuner Board Audio Board Earphone Board SP...

Страница 58: ......

Страница 59: ...AT3705 I O Board Block Diagram...

Страница 60: ...AT3705 Audio Board Block Diagram Audio Amplifier DDXi 2051 SPEAKER L SPEAKER R Audio R L IN Earphone IC NJM2769 Earphone Audio Processor NJM1180 AT3705 Audio Board Block Diagram...

Страница 61: ...AT3705 Tuner Board Block Diagram Tuner FQ1216ME I Sound Decoder TDA9874 CVBS R Audio L Audio RF IN...

Страница 62: ...AT3705 Digital Tuner Board Block Diagram...

Страница 63: ...ction C Buttom Key no function RF no Display Component 1 2 no Display D E F S Video no Display AV1 no Display Scart RGB no Display G H SCART CVBS no Display SCART S V no Display Speaker no Sonud DMA n...

Страница 64: ...Display Q HDMI no Display AV2 no Display DMA Wireless no Function R S T DMA Ethernet no function HDMI no Sound SPDIF no Sound U V VGA DVI no sound Scart no Sonud Component no Sound AV1 S V no Sound D...

Страница 65: ...Problem List 3 LCD Panel no Display 4 AV out no Display 5 Earphone no function 7 Front Page Scart no RF out 6...

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Страница 100: ...made 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 Ser...

Страница 101: ...t 14 Card Reader Module 15 AV3 SHD A 16 Cable assy card reader 17 Cable assy USB 18 Condctive Tape 19 Bezel skirt 20 Screw T4 16 B BNI 21 Panel bracket down 22 Speaker cap 23 LCD panel 24 Panel bracke...

Страница 102: ...Heatsink 54 Gasket ESD T D 55 Cable assy HH6 GND GND 56 Cable assy I O audio 57 Audio board assy 58 Clip standoff 59 Cable assy MB DMA 60 AD6 tuner board DVB T assy 61 Tuner board assy A 62 DMA module...

Страница 103: ...AUSTRALIA DVBT MGW LF 25 M08V7 004 N A REMOTE CONTROL EU DTV LF REMOTE CONTROL 54 36225 EU DVBT LF 25 M08V7 005 N A REMOTE CONTROL USA DTV LF 25 M08V7 006 N A REMOTE CONTROL TAIWAN DTV LF 25 M08V7 00...

Страница 104: ...A 90 264VAC EU PWR 300W DPS 300AP 13A 90 264VAC EU 55 M08V7 009 CONVERTER BOARD POWER SUPPLY 18V 18W A94PS 028 LF 55 M08V7 010 DMA BOARD W WIRELESS CARD DMA MODULE ADM 530M 12V 1A 55 M08V7 011 ETHERNE...

Страница 105: ...LE IO BOARD TO AUDIO 11P 13P CABLE ASSY VWE7 IO AUDIO 11P 13P R2A EP 50 M08V7 001 CABLE POWER BD TO AUDIO 8P 7P CABLE ASSY VWE7 PWR AUDIO 8P 7P R2A EP 50 M08V7 002 CABLE AV3 EARPHONE TO AUDIO 4P 4P CA...

Страница 106: ...6P CABLE ASSY VWE7 IO AV3 6P 6P R2A EP 50 M08V7 009 CABLE MB TO DMA 24P 24P CABLE ASSY VWE7 MB DMA 24P 24P R2A EP 50 M08V7 010 CABLE MB TO KEYPAD IR PWKEY EP CABLE ASSY VWE7 MB KEY IR PWKEY R2A EP 50...

Страница 107: ...E SCART SCART VA1 20P 20P CABLE ASSY SCART SCART VA1 20P 20P R3A 50 M03V7 019 N A CABLE TC1 LAN 2M RJ45 8P CABLE ASSY TC1 LAN 2M RJ45 8P 50 M08V7 017 CASE COVER BRACKET ASSEMBLY BACK COVER ASSY VWE7 B...

Страница 108: ...Y ASSY VWE7 POWER KEY ASSY 47 M08V7 001 FUNCTION KEY VWE7 EBVWE003 REV3B FUNCTION KEY VWE7 EBVWE003 REV3B 47 M08V7 002 DOWN COVER ESD DOWN BASE VWE7 FBVWE012 REV3C 33 M08V7 005 IO BRACKET IO BKT VWE7...

Страница 109: ...M08V7 004 AUDIO BOARD HEAT SINK HEAT SINK AUDIO B VWE2 FBVWE025 REV3A 23 M08V7 002 I O SHIELDING W THERMAL PAD VWE7 THERMAL MODULE_N ASSY 33 M08V7 010 AV3 BKT VWE7 FBVWE005 REV3B AV3 BKT VWE7 FBVWE00...

Страница 110: ...REW SCREW T4 12 B NI SCREW T4 12 B NI 86 M01V7 008 SCREW SCREW T4 16 B BNI SCREW T4 16 B BNI 86 M08V7 008 SCREW SCREW M3 12 B BNI SCREW M3 12 B BNI 86 M08V7 009 MISCELLANEOUS MISCELLANEOUS SPEAKER SPO...

Страница 111: ...15 PACKING BOX MONITOR VWE7 HEVWE001 REV3A BOX MONITOR VWE7 HEVWE00 1 REV3A 47 M08V7 016 PACKING EPS FOAM UP VWE7 HBVWE001 REV3B EPS FOAM UP VWE7 HBVWE001 REV3B 47 M08V7 017 PACKING EPS FOAM BASE VWE7...

Страница 112: ...Chapter 6 106...

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