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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.

Содержание P244W

Страница 1: ...H 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 ...

Страница 2: ...17 3 8 Certification 18 3 9 Packing 19 4 Disassembly Assembly 20 4 1 Exploded View 20 4 2 Disassembly Assembly 21 5 Level 1 Cosmetic Appearance Alignment Service 29 5 1 Alignment procedure for function adjustment 29 5 2 Software Firmware Upgrade Process 32 5 3 EDID Upgrade Procedure 37 5 4 OSD Operation Guide 40 6 Level 2 Circuit Board and Standard Parts Replacement 49 6 1 Trouble Shooting Guide 4...

Страница 3: ...erform diagnostics tests troubleshoot problems and align the acer product 1 1 Trademark The following terms are trademarks of Acer Inc Acer Importance Only trained service personnel who are familiar with this Acer Product shall perform service or maintenance to it Before performing any maintenance or service the engineer MUST read the Safety Note ...

Страница 4: ...nd meets all government safety requirements 2 Ensure that other persons are safe while you are servicing the product DO NOT perform any action that may cause a hazard to the customer or make the product unsafe 3 Use proper safety devices to ensure your personal safety 4 Always use approved tools and test equipment for servicing 5 Never assume the product s power is disconnected from the mains powe...

Страница 5: ...ions Remark Panel supplier module name AUO M240HW01V0 TN Normally white Screen diagonal 24W 531 6 H x298 89 V Display Format 1920 H x 1080 V Panel Display information Pixel Pitch 276 75 um x 276 75um per one triad Viewing Angle Contrast Ratio 10 R L 85 85 degrees typ U D 80 80 degrees typ Analog interface with Scaling supported Yes With 15 pin D sub connector HDMI interface with Scaling supported ...

Страница 6: ...n Yes 3 2 Operational Specification 3 2 1 Power supply Item Condition Spec OK N A Remark Input Voltage range Universal input full range 90 264VAC 47 63Hz Input Current range 90 264VAC 2 0 Arms Power Consumption Normal On operation 75 W LED Blue DPMS DPMS Sleep state 2 W LED Amber DPMS DPMS Off state 1 W LED OFF Inrush Current 110 VAC 220 VAC 30 A peak 60 A peak Cold start Earth Leakage Current 264...

Страница 7: ...R G B For 15 pin D sub Level 700 mV peak to peak Analog input Impedance 75 Ohms 1 5 Ohms Signal type Separate H V sync Composite H V sync Positive Negative For 15 pin D sub Level Logic High 2 4V 5 5V Logic Low 0V 0 5V TTL level Refer to VESA VSIS Standard V1R1 Impedance Minimum 2 2KΩ pull down 10KΩ for application Sync input Sync Pulse Width SPW 0 7µs H SPW 1H V SPW Level 600mV for each differenti...

Страница 8: ...nd 14 V sync 7 Green Ground 15 SCL 8 Blue Ground Note 2 The pin assignment of 24 pin DVI D connector is as below Pin Signal Assignment Pin Signal Assignment 1 TMDS RX2 13 Floating 2 TMDS RX2 14 5V Power 3 TMDS Ground 15 Ground 4 Floating 16 Hot Plug Detect 5 Floating 17 TMDS RX0 6 DDC Clock 18 TMDS RX0 7 DDC Data 19 TMDS Ground 8 Floating 20 Floating 9 TMDS RX1 21 Floating 10 TMDS RX1 22 TMDS Grou...

Страница 9: ...ital inputs Max Resolution 1920 x 1080 Both for analog and digital inputs Rise time Fall time 5 ms 50 of minimum pixel clock period 1920x1080 60Hz max support timing Settling Time after overshoot undershoot 5 final full scale value Refer to VESA VSIS Standard V1R1 Overshoot Undershoot 12 of step function voltage level over the full voltage range Refer to VESA VSIS Standard V1R1 ...

Страница 10: ...A 800x600 75Hz 1056x625 46 875 75 000 49 500 MAC 832x624 74 55Hz 1152x667 49 722 74 55 57 28 1024x768 60Hz 1344x806 48 363 60 004 65 000 1024x768 70Hz 1328x806 56 476 70 069 75 000 XGA 1024x768 75Hz 1312x800 60 023 75 029 78 750 MAC 1152x870 75Hz 1568x909 68 700 75 000 84 520 1152x864 75Hz 1600x900 67 5 75 108 VESA 1280x960 60Hz 1800x1000 60 60 108 1280x1024 60Hz 1688x1066 63 981 60 020 108 000 SX...

Страница 11: ...set Response time Rising Falling time On off 5 ms typ 10ms max Test Equipment Westar TRD 100 or equal level equipment At Contrast ratio 10 R L 85 85 degrees typ 80 80 degrees min Viewing angle At Contrast ratio 10 U D 80 80 degrees typ 75 75 degrees min CIE coordinate of White 0 31 0 33 0 03 0 03 Display colors 16 7 Millions colors 6 bit Hi FRC 3 3 2 Brightness Adjustable Range Item Condition Spec...

Страница 12: ...tz 5 250 HZ PSD Level 0 0054 G2 Hz 2 Grms 1 146 3 Sweep Time 30 minutes per Axis 4 Axes X Y Z 2 Unpackaged Vibration Unpackaged Non Operating Test Spectrum 20 Hz 0 0185 g2 Hz 200Hz 0 0185 g2 Hz Duration 5 Minutes Axis 3 axis Horizontal and Vertical axis Z axis 3 Drop Package Non Operating 76 cm Height MP stage 1 corner 3 edges 6 faces 4 Shock Wooden package Non Operating 1 Amplitude Half sine wave...

Страница 13: ...Life time At 25 2 under 7 0mA 40 000 Hours min See Note 4 Note 4 CCFL lifetime is determined as the time at which brightness of lamp is 50 The typical lifetime of CCFL is on the condition at 7 0mA lamp current 3 3 9 Audio performance Item Condition Spec OK N A Remark Preamp Power amp 1 Output power 1 Wrms CH 1KHz 2 THD 1W 1 3 S N ratio 40dB Speaker Driver 1 Nominal impedance 4 ohm 2 Rated input po...

Страница 14: ...0HW01V 0 Item Unit Conditions Min Typ Max Remark degre e degre e Horizontal Right CR 10 Left 80 80 85 85 Viewing Angle degre e degre e Vertical Up CR 10 Down 75 75 80 80 Contrast ratio Normal Direction 600 1000 msec Rising Time 3 4 7 4 msec Falling Time 1 6 2 6 Response Time msec Rising Falling 5 10 Red x 0 619 0 649 0 679 Red y 0 308 0 338 0 368 Green x 0 259 0 289 0 319 Green y 0 5793 0 609 0 63...

Страница 15: ...osition Vertical Position Pixel Clock Phase Color Cool 9300K Warm 6500K User Separate R G B adjustment OSD Position OSD Horizontal position OSD Vertical position OSD Time From 5 sec to 120 sec OSD Lock Language EMEA Non EMEA languages for Asia Europe Version Recall Recall All Mode ACER Empower Mode Input Select D sub HDMI 2 Sharpness Display Information For input timing Volume Mute Hot key for Aut...

Страница 16: ...0 degree 3 6 2 Weight Item Condition Spec OK N A Remark Monitor Net 5 66Kg Monitor with packing Gross 7 3Kg 3 6 3 Plastic Item Condition Spec OK N A Remark Flammability ABS 94 HB Heat deflection To ABS 65 UV stability ABS Delta E 8 0 Resin 1 BEZEL BASE PMMA ABS 2 UC CLMN F CLM R ABS Texture Uc AT IM D02 Bezel Polish 10000 Color BEZEL DT02A UC DB27A 3 6 4 Carton Item Condition Spec OK N A Remark Co...

Страница 17: ...allet A 10 Pallet B Pallet B 40 1056 Pallet A 48 Pallet A 22 With pallet Pallet B Pallet B 20 X X X X 40 X X Without pallet X X 3 7 2 Carton Specification 3 7 2 1 Product Net Weight Kg Gross Weight Kg Dimension w o Base W H D mm Dimension w Base W H D mm 5 66Kg 7 3Kg 568 5 357 4 62mm 568 5 417 9 207 2 mm 3 7 2 2Package Carton Interior Dimension mm L W H Carton External Dimension mm L W H 630 140 4...

Страница 18: ...0 3rd edition CSA Canada CAN CSA C22 2 No 60950 Nordic D N S F EN60950 FIMKO EN60950 CE Mark 73 23 EEC CB IEC60950 CB EN60950 TUV GS EN60950 EK1 ITB 2000 2003 CCC China CB4943 GOST EN60950 TUV type approved Safety SASO IEC60950 CE Mark 89 336 EEC FCC USA FCC Part 15 B EN55022 Class B CISPR 22 Class B VCCI Japan VCCI Class B BSMI Taiwan CNS 13438 EMC C Tick Australia AS NZS CISPR22 DHHS 21 CFR USA ...

Страница 19: ... 19 3 9 Packing ...

Страница 20: ... 20 4 Disassembly Assembly 4 1 Exploded View ...

Страница 21: ...dure 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 ...

Страница 22: ... and add 7 screws dual input 8F 00273 6R0 SCRW TAP PH F 10WSH M3 6L C ZN 6 8F VZ524 6R0 SCRW TAP FLAT EXT M3 6L C ZN 1 Step 4 Place main shielding on the panel and connect LVDS into the panel and connect lamp wire into Power BD ...

Страница 23: ... 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 4 ...

Страница 24: ... AL 4G 0F913 001 TAPE AL 110 25 0 08T V2400W 2 4G 0E308 001 TAPE AL 150 25 0 08 VW195 1 4G 0LN05 001 TAPE AL 120 45 0 08T P244W 1 4G 0LN06 001 TAPE AL 155 55 0 08T TCO P244W 1 Step8 Take one front bezel and place the CTRL keypad and LED BD on the bezel 150x25mm 120 45mm 110x25mm 110x25mm 155x55mm ...

Страница 25: ... lock the interface board using hex screw nut 8F 205B4 019 SCRW MACH STEEL HEX 4 40 NI 4 4G L0N02 001 TAPE AL 40 20 L1755 1 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 1 8F WA314 8R0 SCRW TAP CAP M3 1 34P 8L B NI 1 40x20mm ...

Страница 26: ... 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 4 ...

Страница 27: ... 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 ...

Страница 28: ... 28 Step 15 finally attached photos are the final front and back views of P244W Disassembly flow would be working the flow backwards ...

Страница 29: ...rm Language English Then turn off the monitor power 3 Turn on power enter user area Figure 1 Preset Timing modes list Mode Resolution active dot Resolution total dot Horizontal Frequency KHz Vertical Frequency Hz Nominal Pixel Clock MHz 640x480 60Hz 800 x 525 31 469 59 941 25 175 640x480 72Hz 832 x 520 37 861 72 809 31 500 640x480 75Hz 840 x 500 37 500 75 000 31 500 MAC 640x480 66 66Hz 864x525 35 ...

Страница 30: ...e same time to turn on monitor 3 Move cursor into Burn in Mode tag and select On to enable burn in mode 4 Close OSD menu then press Auto button for auto color adjustment This procedure will get optimal gain offset clamp values 5 Checking if the picture is ok or reject this monitor and check its circuit board or wire cable connection 5 1 4 Color temperature adjustment 1 Setup input timing to any pr...

Страница 31: ...3 Please refer to the C212 for the correct EDID file 4 Runs the writing program to write the analog EDID data into EEPROM for analog input ie 15 pin D sub HDMI 1 Setup a PC with DDC card 2 Make a HDMI cable that 18th pin is connected to 5V and 19th pin is connected to Ground 3 Connect PC to monitor with this HDMI signal cable 4 Please refer to the C212 for the correct EDID file 5 Runs the writing ...

Страница 32: ...Printer cable with one male connector and another female connector x 1 4 PC or Notebook with parallel printer port x1 Connect to target monitor VGA signal input from 15pin D sub cable of PC or NB Connect ISP board and PC with printer port cable Check the Jumpers on the ISP Circuit Board make sure J5 J6 J7 J8 are set at ping 1 2 ...

Страница 33: ...3 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 ...

Страница 34: ...xtend 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 ...

Страница 35: ... 35 ...

Страница 36: ... IF the monitor without signal input has Burn In pattern As the following figure Press MENU and key at the same time to exit Burn in mode factory mode and soft power key off on restart the monitor ENTER and RIGHT to Burn In Off ...

Страница 37: ... 37 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 ...

Страница 38: ... 38 Step 2 Click Open File and select VGA or HDMI EDID file v Step 3 If load file is successful it shows Open EDID Table OK And then Click Write EDID button to update EDID ...

Страница 39: ... 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 ...

Страница 40: ... 40 5 4 OSD Operation Guide ...

Страница 41: ... 41 ...

Страница 42: ... 42 ...

Страница 43: ... 43 ...

Страница 44: ... 44 ...

Страница 45: ... 45 1 3 OSD Message ...

Страница 46: ... 46 1 4 OSD Operation Flow 1 4 1 Main Flow ...

Страница 47: ... 47 1 4 2 Active the Acer eColor Management ...

Страница 48: ... 48 1 4 3 Reset Flow ...

Страница 49: ...y is unstable Interface Board OSD shown when key pressed No Yes Follow instructions from OSD dialog Keypad OK Yes No Screen is Blank and Power LED is White Backlight turned ON Scalar output Data Yes Proceed to Check Power Board No Yes Check LCD Module No Proceed to Check Scalar Proceed to Check Control Board ...

Страница 50: ...ecking Contorl Board Working Yes Yes No Replug the control wire then retry Traces OK No Replace the Control Board then retry Components to Control board OK Yes No Replace the components then retry Replace a new interface board Yes ...

Страница 51: ...o Replug the LED wire then retry Button switch and traces OK No Replace the LED Board then retry Components to LED board OK Yes No Replace the components then retry Replace a new interface board Yes Check CTRL board OK Yes No Replace the CTRL board then retry ...

Страница 52: ...its Measure the signal pairs on LVDS data output and clock from Scalar Is the correct Sinusoidal wave appeared on Crystal YES YES YES YES Are the pixel output correct Are the signals presented on DSub connector Scalar failed Scalar failed Scalar failed Scalar failed Power or the ground pins Power or the ground pins Power or the ground pins Power or the ground pins has bad contacts has bad contacts...

Страница 53: ...ctor YES YES YES NO OK YES NO LCD module fail To display image Connection between LVDS cable and LCM connector OK White Screen No Picture Lamp connector OK NO NO YES Connection between LVDS cable and LVDS connector OK Bad Connection or connector LVDS cable NO Bad Connection or connector LVDS cable Bad Connection or connector YES YES YES NO Lamp wire Inverter board failed YES NO Is Q6 5V Check Q6 C...

Страница 54: ...ace F601 Q601 R612 R615 R623 5 0V OK Replace IC601 Y Y Y N N N Y N N Check CN701 PIN2 BL ON is HI Check CN701 PIN1 BRT ADJ existed Check Q811 Q812 Q816 ZD805 Q803 Q806 Q807 Q808 IC801 OK Replace Q805 Q806 Q8 08 Q809 T801 T802 Replace Q811 Q812 Q816 ZD805 Q805 Q806 Q807 Q808 IC801 Check I F BD Check Q805 Q806 Q808 Q809 T801 T802 OK Y Y Y N N N Replace panel Y Y N ...

Страница 55: ...to control the adjustable items and get some information about this monitor The best function is to offer users an easy method to make Auto Adjustment items well done just by pressing hot key we called it Auto which can manual controlled items P244W also offer DDC CI function to meet VESA standard II Block diagram The P44W consists of a LCD module with 4 lamps a power board a control board and an ...

Страница 56: ...l to digital data OSD is offering adjustable functions to end user Detect timing is for detect change mode LVDS transmitter is used to compress the digital RGB data the Hsync Vsync and pixel clock generated by Scaling then output to LCD module MCU stores source code and offers H W DDC2Bi function controls system processing EEPROM is stored DDC and HDCP data OSD common data and user mode data D_SUB...

Страница 57: ... functions of this interface board just like the OSD display setting the adjustable items adjusted data storage the external IIC communication support DDC2Bi 3 EEPROM We use 24C016 to store all the adjustable data user settings and HDCP Key and use 3 of 24C02 to store HDMI x 2 and D SUB EDID data A 2 Control board introduction There are 5 keys for user s control which includes Menu Right Left Auto...

Страница 58: ...r transformer Rectifier and filter Inverter circuit PWM contrller Switching element DC DC 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 Fig 2 ...

Страница 59: ... CABLE 2G 00921 001 CORD H05VV F 10A250V EUR 1 8M 1 CABLE 5K L2H06 511 CABLE SIGNAL C H V OD_5 5 1 8M 1 CABLE 5K 0LN07 N01 FFC LVDS NO SILVER P244W 1A2H 1 CABLE 5K 0LN05 001 FFC WIRE 5P LED BD P244W 1 CABLE 5K 0LN04 001 FFC WIRE 7P CTRL BD P244W 1 CABLE 5K 0LN03 001 WIRE 11 12P 100MM P244W PWR 1 CASE COVER BRACKET ASSEMBLY 6K 0LN11 001 ASSY RC ABS DB27A AU 1A2H P244 1 CASE COVER BRACKET ASSEMBLY 6...

Страница 60: ... 8F XA213 8R0 SCRW TAP FLAT PT M2 5 8L ZN Plastic 4 0 0 5 Φ2 0 0 05 1 12 8F WA314 8R0 SCRW TAP CAP M3 1 34P 8L B ZN PLASTIC 5 0 1 0 Φ2 35 0 05 2 13 8F XA524 6R0 SCRW TAP FLT M3 6L NI PLASTIC 4 5 0 5 2 35 0 05 2 14 8F XA314 8R0 SCRW TAP FLAT M3 1 34P 8L B ZN PLASTIC 4 5 0 5 Φ2 35 0 05 2 15 8F XA326 100 SCRW TAP FLAT M4 10L B ZN Plastic 7 5 0 5 Φ3 4 0 05 2 16 8F MA224 5R5 SCRW TAP FLAT P M3 5 5L ZN ...

Страница 61: ... 8F 1A356 100 SCRW MACH PAN M4 10L B ZN NYLO Metal 11 0 1 0 M4 0 7 2 5 6K L1G06 001 ASSY SCRW M4 12L L1740 METAL 11 0 1 0 M4 0 7 2 6 8F 5A356 120 SCRW MACH FHM4 12L B ZN NYL METAL 11 0 1 0 M4 0 7 2 7 8F PA526 8R0 SCREW TAP PAN M4 8L NI PLASTIC 7 5 0 5 3 4 0 05 2 SCREW Q TYPE AND POSITION REFERRED TO C328 NOTES 1 A STANDARD SCREW TORQUE SPEC 2 B SPECIAL SCREW TORQUE SPEC 3 T TAPPING SCREW 4 M MACHI...

Страница 62: ... 62 Appendix 2 Physical Dimension Front View and Side view Fig 1 Physical Dimension Front View and Side view ...

Страница 63: ... 63 Fig 2 Appearance Description ...

Страница 64: ... 64 Appendix 3 Control Board ...

Страница 65: ... 65 Appendix 4 Power Board ...

Страница 66: ... 66 ...

Страница 67: ... 67 Appendix 5 LED Board ...

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