Acer AT2001 AT2001 Service Guide
Acer AT2001 Manual
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- Acer AT2001 | AT2001 Service Guide - Page 1
AT2001 Service Guide Service guide files and updates are available on the AIPG/CSD web; for more information, please refer to http://csd.acer.com.tw PRINTED IN TAIWAN - Acer AT2001 | AT2001 Service Guide - Page 2
Revision History Please refer to the table below for the updates made on AT2001 service guide. Date Chapter Updates II - Acer AT2001 | AT2001 Service Guide - Page 3
, manual or otherwise, without the prior written permission of Acer Incorporated. Disclaimer The information in this guide is subject to change without notice. Acer Incorporated makes no representations or warranties, either expressed or implied, with respect to the contents hereof and specifically - Acer AT2001 | AT2001 Service Guide - Page 4
additional information related to the current topic. Alerts you to any damage that might result from doing or not doing specific actions. Gives precautionary measures to avoid possible hardware or software problems. Reminds you to do specific actions relevant to the accomplishment of procedures. IV - Acer AT2001 | AT2001 Service Guide - Page 5
it will not be noted in the printed Service Guide. For ACER-AUTHORIZED SERVICE PROVIDERS, your Acer office may have a 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 - Acer AT2001 | AT2001 Service Guide - Page 6
28 Mechanism Specification 29 Regulatory and Reliability Requirements 31 Chapter 2 Machine Disassembly and Reassembly 35 General Information 36 Disassembly Procedure 37 Removing the Stand Assy 38 Removing the IO Box 39 Disassembly the Main Unit 40 Chapter 3 Troubleshooting 44 Chapter - Acer AT2001 | AT2001 Service Guide - Page 7
Chapter 1 System Specifications Features The chapter describes the function and performance targets for the AT2001 LCD TV which can support PAL systems. LCD Panel T Max. resolution: 800X600 T Lamp Quantity:Direct 6 U-lamp T Display area: 20 inches diagonal T Display color: 16.7M(8 bits) colors T - Acer AT2001 | AT2001 Service Guide - Page 8
1.5A T Max.Power output: 63 Watts T Stand-by: 5 Watts Max. Remote COntrollers T Multi-function remote controller Speaker T Internal speaker. 3W*2 stereo, volume adjustable. Others T T On screen display adjustment function ISP(In System Programming) function available for revising driver easily - Acer AT2001 | AT2001 Service Guide - Page 9
5 4 3 2 C1H-A For PAL Main Board BLOCK D POWER DC-DC 15V/15VDDM/12V/9VA_A/5V/5VA/5V_AUD/5V_7154 3VDDM/3.3V HEAD_PHONE OPTION Data BUS LVDS BUS Scaler & uP LVDS Tx 10 PAGE DATA WT8811S THC63LVDM83R LCD Panel Teletext VGA CONNECTOR R.G.B._H&V_SYNC Page 7 Page 8 Page 8 Page 3 I2C - Acer AT2001 | AT2001 Service Guide - Page 10
S-Video Page 2 Page 3 Page 3 Page 3 AV(L,R) CVBS2 SCART IN(L,R) SCART OUT(L,R) C B A 5 AF Sound Processor Y MSP 3415G C CVBS1 Page 4 C TV(L,R) Audio Switch Page 5 B L,R TO M/B Page 5 A Size Document Number Rev B M/B BLOCK C Date: Thursday, December 30, 2004 Sheet 1 of - Acer AT2001 | AT2001 Service Guide - Page 11
Pin Definition Between Main Board and I/O Board - Acer AT2001 | AT2001 Service Guide - Page 12
switching device. This model is composed of a TFT LCD panel, a driving circuit and a backlight system. This TFT LCD has a 20 inch diagonally measured active display area with SVGA resolution ( 600 vertical by 800 horizontal pixel array). ( Please refer to panel specification for detail and updated - Acer AT2001 | AT2001 Service Guide - Page 13
. FIG. 1 Optical Characteristic Measurement Equipment and Optical Stage(x,y) LCD Module Pritchard 880 or equivalent 500mm Ta:25 2 C, VLCD:5.0V, fV:60Hz, Dclk:80MHz, Luminance Ratio:100% Parameter Viewing L/R angle U range D Contrast ratio Response time Rise time r Fall time d Gray - Acer AT2001 | AT2001 Service Guide - Page 14
Note 1: Ambient temperature = 25 . Note 2: To be measured in dark room after backlight warm up 30 minutes. Note 3: To be measured with a viewing cone of 1 by Topcon luminance meter ELDIM EZContrast 160D. Note 4: To be measured with the detector PR880 Note 5: Definition of response time: The output - Acer AT2001 | AT2001 Service Guide - Page 15
Note 8: Definition of viewing angle: φ = 180°, Left φ = 270°, Down Normal E Y φ = 90°, Up θ φ φ = 0°, Right Note 9: Definition of white uniformity: White uniformity is calculated with the following formula. Luminance are measured at the following thirteen points (1~13). W= Minimum Brightness - Acer AT2001 | AT2001 Service Guide - Page 16
and Functional Specifications Input and Output Signals This LCD TV shall have the ability to operate under following range with stable blue color of LED indicated. Any signal outside of the limits (any combination) shall not cause any damage to the unit or driving source. The range of operation - Acer AT2001 | AT2001 Service Guide - Page 17
30kHz to 60kHZ Vertical input frequency range 56 Hz to 75 Hz Max. Resolution 800X600 The LED shall indicate green color and OSD will show " Out of Range " message within 5 seconds after signal is out of range or down scaling support from selected inpu The LED shall indicate green color and - Acer AT2001 | AT2001 Service Guide - Page 18
PC Stereo Input Level : Type : Impedance : Jack : 500mVrms Stereo R/L Channels More than 22k 3.5mm Stereo jack , Black color Headphone output: Level: Type: Jack: 0.5W rms/per Channel(typ.) for 16 ohm earphone Stereo R/L Channels 3.5mm Stereo Built-in Speaker Max. Audio output ( at 10% THD max - Acer AT2001 | AT2001 Service Guide - Page 19
5.5/6M 42 hz 6.5 40 MHz --- dB --- dB 6 Audio S/N 50 63 7 Frequency Range for PAL 55.25 8 Audio sensitivity --- dB 801.2 MHZ 5 40 dBuV VGA Input Separate , the maximum current sink from any single monitor sync input node to the driver is 2.0mA. When high level is asserted, the maximum - Acer AT2001 | AT2001 Service Guide - Page 20
) 13 Horizontal Sync 14 Vertical Sync 15 SCL ( DDC Clock ) Terminals Configuration RF AV 1, S1 SCART PC Analog Port PC Stereo input Headphone Service Port 75Ω DIN45325 ( IEC169-2 ) Type RCA for CVBS, Audio R / L S Din for S-Video SCART for R.G.B and Audio R / L D-sub 15pin VGA 3.5mm Earphone Jack - Acer AT2001 | AT2001 Service Guide - Page 21
This LCD TV could support PAL / SECAM ( CCIR B/G, D/K, I and L/L The system allocation as following: TV System range from channel E2 ( 48.25 MHz ) to channel E69 ( 855.25 MHz) Subtitles Configuration Function define Closed Caption NO V-Chip NO TeleText YES 10 pages Comb Filter This LCD TV - Acer AT2001 | AT2001 Service Guide - Page 22
Firmware Specifications Preset Mode for VGA Input 8 factory pre-set modes for VGA input is saved during the manufacturing - 56 + 60 + 72 + 75 Vertical Polarity + + + + + Standard VGA VGA VESA VESA VESA VESA VESA VESA This LCD TV shall have 10 or more user modes for user to creat own timing. This - Acer AT2001 | AT2001 Service Guide - Page 23
selected to be input, this LCD TV is equipped with a power-management according to VESA DPMS. There is a delay of 5 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 - Acer AT2001 | AT2001 Service Guide - Page 24
provided that the power-on Default State numbers among units of the same model. EDID Table is defined as below: For VGA input : 128 BYTES OF EDID CODE : 0 1 2 3 4 20 20 20 20 20 20 90 | 00 00 00 FF 00 31 32 33 34 0A 100 | 20 20 20 20 20 20 20 20 00 00 110 | 00 FC 00 41 63 65 72 20 - Acer AT2001 | AT2001 Service Guide - Page 25
Control Button Key POWER MENU CH or CH VOL or VOL INPUT Function Software On/Off Press position Press key to move icon to down position When OSD is off: Press these buttons to select the TV channel in sequence. When OSD is on: Press key to increase volume value or move icon to right - Acer AT2001 | AT2001 Service Guide - Page 26
Remote Controller Key Definition - Acer AT2001 | AT2001 Service Guide - Page 27
POWER TV INPUT MPX SLEEP UP/DOWN LEFT/RIGHT MENU R G Y C TEXT HOLD SIZE SUB PAGE INDEX REVEAL MIX Number pad LAST INFO CH VOL MUTE DESCRIPTION Turns the selected component ON/OFF. Selects a programmed TV OSD) menus. Displays menus for TV and other options. RED, top of the TV image. Selects a - Acer AT2001 | AT2001 Service Guide - Page 28
Button Key Definition BUTTON VIEWING FUNCTION (OSD OFF) Lowers the sound level. Increases the sound level. Selects the input source. Turns the LCD TV ON/OFF. Activates the OSD main menu. Displays the previous stored channel. Displays the next stored channel. MENU FUNCTION (OSD ON) Reduces a menu - Acer AT2001 | AT2001 Service Guide - Page 29
Mono Mono Mode Mono Mono • Stereo broadcasts View programs like live sporting events, shows and concerts in dynamic stereo sound. • SAP broadcasts Receive TV broadcasts in either MAIN or SAP sound. MAIN sound: The normal program soundtrack (either in mono or stereo). SAP sound: Listen to second - Acer AT2001 | AT2001 Service Guide - Page 30
OSD Menu Abstract Structure OSD Menu for EURO - Acer AT2001 | AT2001 Service Guide - Page 31
OSD Translations : - Acer AT2001 | AT2001 Service Guide - Page 32
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 operating range of line voltage shall be : AC 90volts to 264volts - Acer AT2001 | AT2001 Service Guide - Page 33
The inverter which is used to light up back-light of LCD panel shall be well designed to meet requirement of panel's specification. - Acer AT2001 | AT2001 Service Guide - Page 34
Following accessories would be contained to shipout with LCD TV. Cables Power Cord Length: 1.8meters +15mm/-0mm Cable Color: Remote Controller Multi-function remote controller include battery Quantity: One I/O Board ( Reserved ) Others TV Users Guide Quantity: One Remote Control Users Guide - Acer AT2001 | AT2001 Service Guide - Page 35
Cosmetic and quality standards for injection molded plastic parts This specification defines the criteria to be used for inspection resulting in the acceptance or to withstand normal operator usage without extreme visible deterioration in color. Appearance Gap Specifications Refer to cosmetic - Acer AT2001 | AT2001 Service Guide - Page 36
: 750 mm Depth : 215 mm Base Tilt: 0 ,+15 Mass Mass of display with cable approx.: 8.0 Kg VESA Mounting Holes 100 m/m * 100 m/m Packing Specifications Carton Label Refer to packing instruction Pallet Dimension Refer to packing instruction Shipping Container Stowing Method Refer to packing - Acer AT2001 | AT2001 Service Guide - Page 37
Regulatory and Reliability Requirements Regulatory Requirements Product Safety Agency Approvals Emissions/Susceptibility Power Management ( Reserved ) - Acer AT2001 | AT2001 Service Guide - Page 38
to 35°C Operating humidity 10% to 90% (non-condensing) Storage and Shipping Storage temperature Shipping temperature Storage humidity Shipping humidity -20°C to 60°C -20°C to 60°C 10% to 90% ( - Acer AT2001 | AT2001 Service Guide - Page 39
instruction specification. A failure event interrupts the expected operation of the product and requires service not included ) All components including power and inverter shall be derate to 80 control board or inverter board. Note: If there is anything not clarified or specified on this specification - Acer AT2001 | AT2001 Service Guide - Page 40
: 2-2-C2A_EU product spec_0601-2005 : D:\00-ACER PROJECT-0529-2005\00-ACER-C2A-- AUO-20-inch\00--C2A-MDRR-MRR document : C:\MSOffice\Template\ \SPEC1.dot : VT1N product spec : : Golden : : : 2005/5/23 2:23:00 PM : 50 : 2005/6/2 11:09:00 AM : 89080103 : 281 : 2005/6/14 10:49 - Acer AT2001 | AT2001 Service Guide - Page 41
Machine Disassembly and Replacement Chapter 2 To disassemble the AT2001, you need the following tools: T Wrist grounding strap and conductive mat for preventing electrostatic discharge. T Wire cutter. T Phillips screwdriver (may require different size). NOTE: The - Acer AT2001 | AT2001 Service Guide - Page 42
General Information Before You Begin Before proceeding with the disassenbly procedure, make sure that you do the following: 1. Turn off the power to the system and all peripherals. 2. Unplug the AC adapter and all power and signal cables from the system. 36 Chapter 3 - Acer AT2001 | AT2001 Service Guide - Page 43
Disassembly Procedure This section tells you how to disassemble the system when you need to perform system service. Please also refer to the disassembly video, if available. CAUTION: Before you proceed, make sure you have turned off the system and all peripherals connected to it. Chapter 3 37 - Acer AT2001 | AT2001 Service Guide - Page 44
Removing the Stand Assy 1. Remove the four screws securing the stand assy and remove it. 2. Remove the screw securing the stand neck and stand base, and seperate them. 38 Chapter 3 - Acer AT2001 | AT2001 Service Guide - Page 45
Removing the IO Box 1. Remove the two screws securing the IO box and remove it. 2. Remove the three screws securing the IO box shielding. 3. Remove the screw securing the IO board and remove it from the IO bracket. Chapter 3 39 - Acer AT2001 | AT2001 Service Guide - Page 46
Disassembly the Main Unit Removing the Rear cover 1. Remove the ten screws securing the rear cover and remove it. Disconnecting the Cables 1. Open the cable clamp on the bracket. 2. Disconnect the speaker cable from the Mainboard. 3. Disconnect the button board cable and IV board cable from the - Acer AT2001 | AT2001 Service Guide - Page 47
Removing the Speaker 1. Remove the four screws securing the left and right speakers. 2. Remove the speakers from the front bezel. Removing the button board 1. Remove the three screws securing the button board and remove the botton board from the front bezel. 2. Disconnect the button cable from the - Acer AT2001 | AT2001 Service Guide - Page 48
3. Remove the two screws securing the mainboard as shown. Turn the bracket over. Remove another seven screws securing the mainboard and remove the mainboard. 4. Disconnect the FPC cable from the mainbaord. NOTE: The mainboard color might be diffenent. Removing the IV Board 1. Remove the four screws - Acer AT2001 | AT2001 Service Guide - Page 49
Removing the Panel 1. Remove the nine screws securing the top panel bracket and remove it. 2. Remove the nine screws securing the bottom panel bracket and remove it. 3. Remove the panel from the front cover. Chapter 3 43 - Acer AT2001 | AT2001 Service Guide - Page 50
Chapter 3 This chapter provides troubleshooting information for the AT2001. No Power No CChheecckk CCoonnnneecctitoionn No CChhaannggeebbuutttotonn oor rccaabblele CChheecckkIOIOBBOOXXPPlulugginin Yes CChheecckkPPoowweer rbbuutttotonn ccoorrrerecct?t? Yes CChheecckkXXtatal l YY22 NNooPPoowweer - Acer AT2001 | AT2001 Service Guide - Page 51
No Characters, Missing Color NNooCChhaararacctetersrs MMisissisninggCCoololor r No CChheecckkVVGGAAccaabblele No CChhaannggeeCCOONN1100 CChheecckkCCOONN55VVGGAA ccaabblele Yes CChheecckkUU1122OOuutptpuut t Yes CChheecckkCCOONN1100 LLCCDDccoonnnneecctotorsrs Yes CChheecckkFFFFCC No - Acer AT2001 | AT2001 Service Guide - Page 52
NO Signal NO CChhaannggeeVVGGAACCaabblele NO CChhaannggeeCCOONN55 NO CChhaannggeeNNGGccoommppoonneennt t NNoossigignnaal l CChheecckk VVGGAA ccaabblele OK CChheecckkCCOONN55 OK CChheecckkHH,V,Vsysynncc InInppuut tcciricrcuuitit OK CChhaannggeeUU1122 Chapter 4 46 - Acer AT2001 | AT2001 Service Guide - Page 53
47 Chapter 4 - Acer AT2001 | AT2001 Service Guide - Page 54
(Field Replaceable Unit) listing in global configurations of LCD TV AT2001. Refer to this chapter whenever ordering for parts to 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 - Acer AT2001 | AT2001 Service Guide - Page 55
Exploded Diagram 48 Chapter 6 - Acer AT2001 | AT2001 Service Guide - Page 56
Number 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 Item Front Cover Assy Speaker Assy Screw 3 X 20.4-B(NI) AL-FOIL-LCD Panel Bracket AU LCD(TFT) 20.1" (SVGA) Screw M3.0X12-B(MC) VS3 Button Assy Screw T3X8(NI) Cable Assy (MB-Button) Cable VS8 M/B(FFC, 50P, 300MM, REV3A - Acer AT2001 | AT2001 Service Guide - Page 57
FRU List AT2001 FRU List Picture Accessory No. Partname And Description REMOTE CONTROLLER - EU Part Number 25.M04V7.001 Adapter ADAPTER 15V 4.2A ADP-63BB B 100~240V 25.M04V7.001 Boards TUNER MODULE - PAL MAIN BOARD - PAL 6M. - Acer AT2001 | AT2001 Service Guide - Page 58
AT2001 FRU List Picture No. Partname And Description STAND BRACKET FIX Part Number 60.M04V7.003 FRONT COVER 60.M04V7.004 BACK COVER 60.M04V7.005 I/O COVER 42.M04V7.001 WALL MOUNT BRACKET ASSY 33.M04V7.001 Cables INVERTER SHIELDNG LCD BRACKET AU POWER CODE EU 3P 1.8M POWER CODE UK 3P 1. - Acer AT2001 | AT2001 Service Guide - Page 59
AT2001 FRU List Picture No. Partname And Description CABLE - MB TO LCD Part Number 50.M04V7.002 CABLE - MB TO BUTTON BOARD 50.M04V7.003 LCD CABLE - IB TO GROUND 50.M04V7.004 CABLE - VB1D PAL CABLE - SCART TO SCART LCD(TFT) AU 20.1'' A201SN02 V4(SVGA) 50.M03V7.018 50.M03V7.019 56.M04V7.001 - Acer AT2001 | AT2001 Service Guide - Page 60
AT2001 FRU List Picture No. Partname And Description SCREW M3.0*6.0-I-NI SCREW M3*4-I (NI) SCREW M3.0*12.0-B(MC) SCREW 3 X 20.4-B (NI) SCREW T3*8 P (NI) IO NUT VT1(MBVT1002,REV3A) Part Number Chapter 6 53