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Acer P244W Service Manual

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Product Service Manual – P244W
Service Manual for acer:
P244W-1A2H
P/N: 9J.0LN16. xxx
Applicable for All Regions
Version: 001
Date:2008/07/14
Notice:
- For RO to input specific "Legal Requirement" in specific NS regarding to responsibility and liability
statements.
First Edition (July, 2008)
© Copyright Acer Corporation 2008. All Right Reserved.
- 1 -

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  Summary of Contents for Acer P244W

  • Page 1 Applicable for All Regions Version: 001 Date:2008/07/14 Notice: - For RO to input specific “Legal Requirement” in specific NS regarding to responsibility and liability statements. First Edition (July, 2008) © Copyright Acer Corporation 2008. All Right Reserved. - 1 -...
  • Page 2: Table Of Contents

    Content Index Abbreviations & Acronyms ................3 1. About This Manual ..................3 1.1. Trademark ......................3 2. Introduction ....................4 2.1. RoHS (2002/95/EC) Requirements ..............4 2.2. Safety Notice ....................4 2.3 .Compliance Statement..................4 2.4. General Descriptions ..................4 3.
  • Page 3: Abbreviations & Acronyms

    Abbreviations & Acronyms 1. About This Manual This manual contains information about maintenance and service of acer products. Use this manual to perform diagnostics tests, troubleshoot problems, and align the acer product. 1.1. Trademark The following terms are trademarks of Acer Inc. :...
  • Page 4: Introduction

    2. Introduction This section contains general service information, please read through carefully. It should be stored for easy access place for quick reference. 2.1. RoHS (2002/95/EC) Requirements – Applied to all countries require RoHS. The RoHS (Restriction of Hazardous Substance in Electrical and Electronic Equipment Directive) is a legal requirement by EU (European Union) for the global electronics industry which sold in EU and some counties also require this requirement.
  • Page 5: Product Overview

    3.1. Introduction 1. Introduction P244W is defined as our new 24’W model in ACER P series which will be the ACER project in Qisda. P244W is defined as 24’W LCD Monitor supports 1920(H) x 1080(V) resolution with DPMS (Display Power Management System) and ACER eColor function. There are triple input types, D- sub, HDMI x 2.
  • Page 6: Operational Specification

    Flywheel control supported Scaling function supported Auto adjustment function supported “Auto-Key” function DDC function supported (EDID ver. 1.3) DDC2B DDC-CI support version 1.1 or later DDC-CI Audio speakers supported Audio Jack (input connector) supported Earphone Jack (Output connector) supported For HDMI Audio Output Microphone function supported Mechanical Tilt base design From -5 to +23 degree...
  • Page 7 3.2.2 Signal interface Item Condition Spec OK N.A Remark Color: Black √ Length: 1800 +/- 30 15-pin D-Sub Signal Cable Color: Black √ 24-pin DVI-D Length: 1800 +/- 50 √ 15-pin D-sub connector See Note-1 For 15-pin D-sub √ Pin assignment 24-pin DVI-D connector See Note-2 For 24-pin DVI-D...
  • Page 8 Note-1: The pin assignment of 15-pin D-sub connector is as below, Signal Assignment Signal Assignment Red video PC5V (+5 volt power) Green video Sync Ground Blue video Ground Ground Cable Detected H-Sync (or H+V) Red Ground V-sync Green Ground Blue Ground Note-2: The pin assignment of 24-pin DVI-D connector is as below, Signal Assignment Signal Assignment...
  • Page 9 Note-3: The pin assignment of 19-pin HDMI connector is as below, 3.2.3 Video performance Item Condition Spec OK N.A Remark Both for analog and √ Max. support Pixel rate 173 MHz digital inputs Both for analog and √ Max. Resolution 1920 x 1080 digital inputs <...
  • Page 10 3.2.4 Scan range Item Condition Spec OK N.A Remark √ Horizontal 31-83 KHz √ Vertical 56-76 Hz 3.2.5 Plug & Play DDC2B DDC-CI Support Item Condition Spec OK N.A Remark √ DDC channel type DDC2B Refer to S/W spec. document to see √...
  • Page 11: Operational & Functional Specification

    3.3. Operational & Functional Specification 3.3.1 Video performance *All spec. of monitor need to warm up at least 1hr. Item Condition Spec OK N. Remark Any input resolution √ Resolution modes which are under 1920x1080 1680x1050 Test Condition: Set Contrast at √...
  • Page 12 3.3.4 Environment Item Condition Spec OK N. Remark 0 ~ +40 ℃ √ Operating Temperature -20 ~ +60 ℃ √ Non-operating Non- √ Operating 10 ~ 90% condensing Humidity Non- √ Non-operating 10 ~ 90% condensing Without √ Operating 0~3048m (10,000ft) packing Altitude √...
  • Page 13 3.3.7 EMC Item Condition Spec OK N. Remark Band 1 < 10 V/m √ Electric Band 2 < 1 V/m TCO03 Band 1 < 200nT √ Magnetic Band 2 < 25nT After Mass production FCC part 15J class B under 1dBuv for constant √...
  • Page 14: Lcd Characteristics

    3.4. LCD Characteristics 3.4.1 The Physical definition & Technology summary of LCD panel AUO M240UP01V.0 Item Condition Spec OK N. Remark √ LCD Panel Supplier √ Panel type of Supplier M240HW01V.0 √ Screen Diagonal 609.7 mm (24.0”) √ Display area Unit=mm 531.36(H) x 298.89(V) 556.0(H) x323.2(V) x 16.65(D) √...
  • Page 15: User Controls

    From 5 sec to 120 sec √ OSD Lock EMEA/Non-EMEA √ Language languages for Asia/Europe Version √ Recall Recall All √ Mode ACER Empower Mode D-sub √ Input Select HDMI * 2 √ Sharpness √ Display Information For input timing √ Volume √...
  • Page 16: Mechanical Characteristics

    3.6. Mechanical Characteristics 3.6.1 Dimension Item Condition Spec OK N.A Remark √ Bezel opening 533.36*300.89 mm √ 568.5*357.4*62mm Monitor without Stand W x H x D mm 568.5*417.9*207.2 mm √ Monitor with Stand W x H x D mm √ 640*150*493mm Carton Box (outside) L x W x H mm...
  • Page 17: Pallet & Shipment

    3.7. Pallet & Shipment 3.7.1 Container Specification Quantity of products Quantity of Products Quantity of pallet Stowing Type (sets) (sets) (sets) ontainer (Every container) (Every Pallet) (Every Container) Pallet A: 48 Pallet A: 10 Pallet B: Pallet B: With pallet 1056 Pallet A: 48 Pallet A: 22...
  • Page 18: Certification

    3.8. Certification Item Condition Spec OK N.A Remark ISO14000 √ API Doc. 715-C49 Green design Requirement √ Blue Angel German Standard √ E-2000 Switzerland Environment √ USA Standard √ TCO’99 √ TCO’03 √ MPR2 √ Green Mark √ Microsoft Windows PC98/99 √...
  • Page 19: Packing

    3.9. Packing - 19 -...
  • Page 20: Disassembly /Assembly

    Assembly Disassembly / 4.1. Exploded View - 20 -...
  • Page 21: Disassembly /Assembly

    4.2. Disassembly /Assembly Assembly Procedure * Assembly Tool: 1. Cross-head Screwdriver (Size: #2) 2. Flat-head Screwdriver (Size: #1) 3. Flat-head Screwdriver (Size: #2) Step 1: connect power board and interface board and insert LVDS Step 2: place power board and interface board into the main-shielding. - 21 -...
  • Page 22 Step 3 : Sort LVDS wire and add 7 screws( ( ( ( dual input) ) ) ) 8F.00273.6R0 SCRW TAP PH F/10WSH M3*6L C-ZN 8F.VZ524.6R0 SCRW TAP FLAT+EXT M3*6L C-ZN Step 4: Place main-shielding on the panel and connect LVDS into the panel and connect lamp wire into Power-BD - 22 -...
  • Page 23 Step 5: Paste the tape at panel connector 3H.04121.001 TAPE 15*0.05MM KAPTON YEL 50mm Step 6: Lock the side mount screw (4 pcs). 8F.5A224.6R0 SCRW MACH FLAT M3*0.5P*6L ZN - 23 -...
  • Page 24 TAPE AL 110*25*0.08T V2400W 4G.0E308.001 TAPE AL 150*25*0.08 VW195 4G.0LN05.001 TAPE AL 120*45*0.08T P244W 4G.0LN06.001 TAPE AL 155*55*0.08T TCO P244W 150x25mm 120*45mm 155x55mm 110x25mm 110x25mm Step8: Take one front-bezel and place the CTRL keypad and LED BD on the bezel...
  • Page 25 SCRW MACH STEEL HEX #4-40 NI 4G.L0N02.001 TAPE-AL 40*20 L1755 40x20mm Step 10 : Add gasket on the CTRL BD and lock one pc of screw to fix bezel and SHD. 4G.0LN04.001 GASKET 13L*13W*17H P244W 8F.WA314.8R0 SCRW TAP CAP M3*1.34P*8L B-NI - 25 -...
  • Page 26 Step 11 : Assembly front-bezel and rear cover Step 12 : Insert hinge and add 4 pcs of screws 8F.5A356.8R0 SCRW MACH FH M4*8L B-ZN NYL - 26 -...
  • Page 27 Step 13 : add 2pcs of hinge cover to hide hinge-BKT Step 14 :Insert the assy-base into assy-column then use screw to fix them. - 27 -...
  • Page 28 Step 15 : finally , attached photos are the final front and back views of P244W Disassembly flow would be working the flow backwards. - 28 -...
  • Page 29: Level 1 Cosmetic / Appearance / Alignment Service

    5. Level 1 Cosmetic / Appearance / Alignment Service 5.1 Alignment procedure (for function adjustment) 5.1.1 Preparation: 1.) Setup input timing to any preset modes or patterns. 2.) Enter factory mode (press “Empowering” & “Power” buttons at the same time to turn on monitor).
  • Page 30 1280x1024@60Hz 1688x1066 63.981 60.020 108.000 SXGA 1280x1024@75Hz 1688x1066 79.976 75.025 135.000 1280x720@60Hz 1650x750 44.955 59.940 74.176 VESA 1280x768@60Hz 1664x798 47.776 59.870 79.500 1280x768@60Hz 1696x805 60.289 74.893 102.250 1280x800@60Hz 1680x831 49.702 59.810 83.500 WXGA 1360x768@60Hz 1792x795 47.712 60.015 85.500 1440x900@60Hz 1904x931 55.935 59.887 106.500...
  • Page 31 (C1/User on OSD) Luminance Color temperature 0.313+(-) 0.03 0.329+(-) 0.03 (C3/Warm on OSD) Luminance > 220 cd/m² 7. Move cursor into “Burn-in Mode” tag and select “No” to disable burn-in mode. 8. Turns off the monitor power. 5.1.5 Writing EDID data into monitor Analog: 1.
  • Page 32: Software / Firmware Upgrade Process

    5.2 Software / Firmware Upgrade Process 5.2.1 Hardware prepared: Hardware Requirement: 1. ISP board x 1 VGA signal input from 15pin D-sub cable of PC or NB. Connect to target monitor Check the Jumpers on the ISP Circuit Board (make sure J5, J6, J7, J8 are set at ping 1,2 ) Connect ISP board and...
  • Page 33 5.2.2 Firmware Upgrade Procedure Step 1: Un-zip Port95nt and install into your computer. Step 2: Un-zip ISP application tool (RTDTool) Step 3: Press “RTD 2120 ISP” button to execute firmware program application - 33 -...
  • Page 34 Step 4: Press “64K” button to load *series*.hex file and press “64~96” button to load *extend*.hex file from your computer. Step 5: Select “Erase” option and execute lightning button first, and then select “Auto” option and execute lightning button to start upgrade firmware to the monitor. Note: you can change program speed bar to meet your equipment speed if program firmware fail.
  • Page 35 - 35 -...
  • Page 36 5.2.3 Turn Off Burn In IF the monitor without signal input has Burn In pattern. As the following figure ENTER and RIGHT to Burn In Off Press “MENU” and “>” key at the same time to exit Burn in mode(factory mode),and soft power key off/on restart the monitor.
  • Page 37: Edid Upgrade Procedure

    5.3 EDID Upgrade Procedure Step 1: Run the program “Q-EDID-V016.exe”, when the UI popped up Note: If “VGA” choose 128bytes, and “HDMI” choose 256bytes - 37 -...
  • Page 38 Step 2: Click “Open File” and select “VGA” or “HDMI” EDID file Step 3: If load file is successful, it shows “Open EDID Table OK.” And then, Click “Write EDID” button to update EDID - 38 -...
  • Page 39 Step 4: If write EDID is successful, it shows ”Write EDID OK …” And then, click “Read EDID” button to check if successful or not. Step 5: If read EDID is successful, it shows” Read EDID OK …” - 39 -...
  • Page 40: Osd Operation Guide

    5.4 OSD Operation Guide - 40 -...
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  • Page 45 1-3 OSD Message - 45 -...
  • Page 46 1-4 OSD Operation Flow 1-4-1 Main Flow - 46 -...
  • Page 47 1-4-2 Active the Acer eColor Management - 47 -...
  • Page 48 1-4-3 Reset Flow - 48 -...
  • Page 49: Level 2 Circuit Board And Standard Parts Replacement

    6. Level 2 Circuit Board and Standard Parts Replacement 6.1. Trouble Shooting Guide 1. No Display or display is unstable (Interface Board): Screen is Blank and Power LED is White. Follow instructions from OSD dialog OSD shown when key pressed? Proceed to “Check Control Board”.
  • Page 50 2. Check Control Board Checking Contorl Board Working ? Replug the control wire, then retry Replace the races Control Board, OK ? then retry Components Replace the Control board OK ? components, then retry Replace a new interface board - 50 -...
  • Page 51 3. Check LED Board Checking LED Board Working ? Replug the LED wire, then retry Button switch and traces Replace the LED OK ? Board, then retry Components Replace the components, then LED board OK ? retry Check CTRL Replace the CTRL board OK ? board, then retry Replace a new...
  • Page 52 4. Check Scalar Scalar failed Scalar failed Scalar failed Scalar failed to output data to output data to output data to output data Are all the power and Power or the ground pins Power or the ground pins Power or the ground pins Power or the ground pins ground pins at the correct has bad contacts...
  • Page 53 5. Check LCD Module LCD module fail LCD module fail To display To display image image No Picture No Picture White Screen White Screen Bad Connection Bad Connection Connection between LVDS cable and or connector, or connector, LCM connector LVDS cable LVDS cable OK ? Lamp connector OK ?
  • Page 54 6. Power Board Functions: Backlight did not shine Check PF801 Replace OK ? +19V OK ? PF801 +5.0V Replace Check F851 F851 Q857 Q857 OK? Replace Check CN701 Check F601, Q601 PIN2 Check I/F BD F601, Q601, R612, R615, (BL-ON) is HI ? R612, R623 R615, R623 OK ?
  • Page 55: Circuit Operation Theory

    6.2 Circuit Operation Theory I. Introduction: The P244W is a 24” W (1920x1080), LCD type is TN+Film and Normally White, 16.7M colors(R, G, B 6-bit data + Hi-FRC data) TFT LCD with HDCP support monitor. It’s have triple (D- SUB and 2 HDMI) interface LCD monitor with a 15 pins D-sub signal cable. It’s compliant with VESA specification to offer a smart power management and power saving function.
  • Page 56 III. Circuit operation theory: A-1.) Interface board diagram: User Flash Data& Interface BD HDCP Ctrl Board RTD2482D TMDS TMDS 210Mhz 1 Rx 2 Rx D-sub HDMI2 EDID HDMI1 EDID EEPRO EDID HDMI HDMI1 HDMI2 D_SUB Line Out 1920x1080 1920x1080 1920x1080 (a) Circuit operation theory: A basic operation theory for this interface board is to convert analog signals of Red, Green and Blue to digital signals of Red, Green and Blue.
  • Page 57 (3) “Left” key: to select next and to decrease adjustment (4) “Auto” key: to perform auto adjustment and Exit key (5) “Empowering”: to Open the Acer eColor Management OSD and access the scenario A-3.) LED board introduction: (1) Power key: to turn/off power of monitor (2) LED: It indicates the DPMS status of this LCD monitor;...
  • Page 58 A-3.) Power board diagram: Isolation Rectifier and Rectifier and EMI Filter power Inverter circuit filter filter transformer Switching DC/DC PWM contrller element convert circuit Feedback Isolation Fig.1 #1 EMI Filter This circuit (Fig.2) is designed to inhibit electrical and magnetic interference for meeting FCC, VDE, VCCI standard requirements.
  • Page 59: Spare Parts List

    24W LCD MNT 1A2H EU LEVEL CATEGORY OEM PART NO. DESCRIPTION 5F.LUDV0.011 LCDM24W M240HW01-V0 AUO Z BOARD 5E.0LN02.002 PCBA SPS BD 1A2H AU MI P244W BOARD 5E.0LN01.002 PCBA IF BD 1A2H AU MI P244W BOARD 6K.0LN15.001 ASSY LED PCB P244W BOARD 6K.0LN12.001...
  • Page 60: Appendix 1 - Screw List / Torque

    Appendix 1 – Screw List / Torque (A) STANDARD SCREW TORQUE SPEC. MOUNTING TORQUE HOLE SIZE Screw ITEM DESCRIPTION MATERIAL (KG-CM) (MM) Head 8F.20FB4.019 SCRW MACH HEX #4-40*0.3" NI METAL 5.0±0.6 #4-40 8F.5A224.6R0 SCRW MACH FLAT M3*6L ZN METAL Side mount:3±0.6 M3*0.5 Other: 4±0.6 8F.XA356.6R0 SCRW TAP FLAT M4*6L B-ZN...
  • Page 61 (B) SPECIAL SCREW TORQUE SPEC. MOUNTING TORQUE HOLE SIZE Screw ITEM DESCRIPTION MATERIAL (KG-CM) (MM) Head 8F.00274.8R0 SCREW FPH TAP M3*8L NI Plastic 5.0±1.0 Φ2.35±0.05 8F.00003.143 SCRW TAP PAN #4-40*3/8 Aluminum 3.3±0.3 Φ2.6±0.03 No thread : 8 ~ 10 8F.VG434.4R0 SCRW TAP PAN F/WSH M3*4L METAL ∅...
  • Page 62: Appendix 2 - Physical Dimension Front View And Side View

    Appendix 2 – Physical Dimension Front View and Side view Fig. 1 Physical Dimension Front View and Side view - 62 -...
  • Page 63 Fig. 2 Appearance Description - 63 -...
  • Page 64: Appendix 3 -Control Board

    Appendix 3 –Control Board - 64 -...
  • Page 65: Appendix 4 -Power Board

    Appendix 4 –Power Board - 65 -...
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  • Page 67: Appendix 5 -Led Board

    Appendix 5 –LED Board - 67 -...