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Acer P205H Service Manual

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Acer –LCD-P205H
Service Manual
LCD Monitor Acer P205H
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Summary of Contents for Acer P205H

  • Page 1 Acer Acer –LCD-P205H Service Manual LCD Monitor Acer P205H - 0 -...

  • Page 2: Table Of Contents

    Copyright 2006 InnoLux Tech. Corp. Ltd All Rights Reserved This manual may not, in whole or in part, be copied, Photocopied, reproduced, translated, or converted to any electronic or machine readable form without prior written permission of InnoLux Tech. Corp. Ltd. Acer P205H Service Manual...

  • Page 3: Important Safety Notice

    Acer Acer –LCD-P205H Important Safety Notice Safety precautions This monitor is manufactured and tested on a ground principle that a user’s safety comes first. However, improper used or installation may cause damage to the monitor as well as to the user.

  • Page 4: Product Specification

    1. General: P205H series LCD monitor is designed with a wide screen 20.0” WXGA+ TFT LCD panel, LVDS interface, analog RGB signal input and DVI-D signal input.It featured with embedded universal AC power supply. This monitor can support maximum resolution up to 1600 x 900@60Hz.
  • Page 5 Acer Acer –LCD-P205H Temperature range : -20°C to 60°C Humidity range : 10% to 90% note 2 2.1.3 Altitude Operating 10000 ft (Ta=50, t=24h) Storage 40000 ft (Ta=30, t=24h ) Note 1: Temperature and relative humidity range must be in the area shown as the following figure due to panel limited Note 2: Altitude spec must not over panel spec.
  • Page 6 Acer Acer –LCD-P205H Items Condition Spec Note AC Input Voltage range Universal input full range 90~264Vac AC Input Voltage rating Universal input full range 100~240Vac AC input frequency range 90~264Vac 47~63Hz AC input frequency rating 100~240Vac 50~60Hz AC Input Current 100Vac 1.5A(max)
  • Page 7 Acer Acer –LCD-P205H Power On active ≤ 48W Blue blanked < 2W Yellow Power Saving blanked < 2W Yellow blanked < 2W Yellow Power Off < 1W Backlight Power Supply 3.1.4 Items Specification SEC LTM200KT01 panel Panel panel LGD LM200WD1-TLB1...
  • Page 8 Acer Acer –LCD-P205H Cool 9300K 0.283 ± 0.030 0.297 ± 0.030 Warm 6500K 0.313 ± 0.030 0.329 ± 0.030 User Panel While x Panel While y 3.4 Brightness uniformity The test standard conditions refer to Sec 3.4. Note (4): 25% is for Samsung panel LTM200KT01 (first source).The second source spec follow Sec 5.1.
  • Page 9 Acer Acer –LCD-P205H Horizontal Vertical Nominal Mode Resolution Total Nominal Nominal Pixel Clock Sync Sync Frequency Frequency (MHz) Polarity Polarity +/-0.5KHz +/-1Hz 640*480@60Hz 800*525 31.469 59.941 25.175 640*480@72Hz 832*520 37.861 72.809 31.500 640*480@75Hz 840*500 37.500 75.000 31.500 800*600@56Hz 1024*625 35.156 56.250...
  • Page 10 Acer Acer –LCD-P205H P205H DVI EA DE 5. Function Specifications 5.1 Keypad Function 6.1.1 Control buttons A. When OSD un-displays, press [AUTO] and the function menu will show on the screen; [AUTO] B. When function menu displays, press [AUTO] to perform auto-adjustment;...
  • Page 11 Acer Acer –LCD-P205H HOT KEY OPERATION FUNCTION DESCRIPTION e Color AUTO MENU ◄ ► POWER Press [ ], and then press [POWER] for DC FACTORY ● power on. OSD menu will be shown with “F” on MODE the left top. Select “F” for entering factory mode.
  • Page 12 Acer Acer –LCD-P205H OSD Timeout 10～120 Full Default Wide Mode Aspect DDC/CI Analog Source Digital EMEA NO-EMEA English English Setting Russian 繁體中文 Deutsch Deutsch Language Français Français English Español Español Italiano Italiano Dutch 简体中文 Finnish 日本語 Reset Resolution H.Freq Info V.Freq...
  • Page 13 Acer Acer –LCD-P205H 6. SOP of firmware upgrade ( Manufacturer of Scaler is Mstar) 6.1 Operational condition: Equipment: PC, ISP card, signal cable and power cable. ESD requirements: antistatic wrists, antistatic gloves (fingers), and connecting cable Name of ISP program: ISP_Tool_v3.7.5.exe Manufacture of FW IC ：...
  • Page 14 Acer Acer –LCD-P205H FW software rooter Software Checksum Thirdly, select “Connect” and enter ISP MODE as in the following Figure 3. Fourthly, select “AUTO”, and keep its default value. Click “RUN” for beginning programming. There will be prompting if programming is OK.
  • Page 15 Acer Acer –LCD-P205H Note: if programming fails or success rate is not high, click “Config” and adjust its speed in “E2PROM DEVICE SETTING”...
  • Page 16 Acer Acer –LCD-P205H After connecting, AC ON, DC ON ◆Flowing chart Open ISP program Choose manufacturer and model of FW IC LOAD FW software Click Connect and enter ISP MODE Choose Config Click AUTO and RUN for and adjust beginning programming...

  • Page 17: Flat Panel Specification

    Acer Acer –LCD-P205H 02. Flat Panel Specification...
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  • Page 49: Exploded Diagram

    Acer Acer –LCD-P205H 03 Exploded Diagram 3.1 P205H_SCREW_LIST Fixed Item Part No. Description Remark T(kg*cm) I/F Board to Chassis*1 509146306200R 4.5~5.0 SCREW,P,CROSS,W/WAS,M3*6,Zn-Cc Power Board to Chassis*4 D-SUB CON*2 509000000700R BOLT,#4-40x11.8,Ni ROHS 4.0±0.5 509412610500R 6.5±0.5 Hinge to Stand SCREW,B,CROSS,T.T-4*10,BLK ,ROHS SCREW,F,CROSS,M4*8,Zn,ROHS(NYLOK...

  • Page 51: Troubleshooting

    Acer Acer –LCD-P205H 04 Troubleshooting 1. No Power & Power LED Off No power &LED off Check prim ary Check IC802, Check circuit if short rectifier voltage C805, T801 Check F801, F802, P801, D801 Check R801, Check pin3 of IC802...
  • Page 52 Acer Acer –LCD-P205H 2. DC output voltage is unstable U n sta b le p o w e r C h e ck C h a n g e R 8 1 0 , C h e ck R 8 1 0 ,...
  • Page 53 Acer Acer –LCD-P205H 3. Backlight can’t be turned on N o ra s te r Y E S L E D G re e n ? Y E S B a c k lig h t c a n n o t b e tu rn e d o n...
  • Page 54 Acer Acer –LCD-P205H 4. Black Screen and backlight turn on...
  • Page 55 Acer Acer –LCD-P205H 5. White Screen...
  • Page 56 Acer Acer –LCD-P205H 6. Bad Screen...

  • Page 57: Spare Parts List

    Acer Acer –LCD-P205H 05 Spare parts List 8201T581A070R ACER PART OEM PART DESCRIPTION ET.LH20C.016 PCBA,I/F 55.LH20J.002 793141300801R BOARD(EMEA,W/O),LE 20T5-812 ROHS PCBA,P/I BOARD,W/O 19.LH20J.001 792561400700R SPK,LE21P8-722 ROHS PCBA,POWER 55.LGU0J.005 793121500000R KEYPAD/B,LE23T8 ROHS PCBA,FUNCTION 55.LGU0J.006 793121500010R KEYPAD/B,LE23T8 ROHS...
  • Page 58 Acer Acer –LCD-P205H PWRCORD 10A /250V 27.L46VF.006 453070800240R BLK 6FT SWISS H05VV- CABLE,D-SUB 15P 50.LBQ0J.001 453010100380R MALE 6FT BLACK/BLUE, CABLE,DVI-D 18+1P 50.LA10J.003 453030300370R MALE 6FT BLACK , ROHS HRN LVDS FFC 30P 50.LH20J.001 430303002700R 177mm W/TASTE HRN ASSY 2x4P to 8P 50.LH20J.002...
  • Page 59 Acer Acer –LCD-P205H HRN ASSY 4P 33mm 50.LH20J.003 430300400560R UL1571#28 ASSY BACK 60.LH20J.001 714050027203R COVER,W/O AUDIO,W DVI,SEC,LE20 ASSY FRONT 60.LH20J.002 714030030800R BEZEL,SEC,LE20T5 ASSY POWER BUTTON 60.LH20J.003 714000008501R LE23T8...
  • Page 60 Acer Acer –LCD-P205H 60.LH20J.004 714000008500R ASSY ,HINGE, LE23T8 ASSY 60.LH20J.005 714020023600R BASE,DUAL,LE20T5 ASSY CHASSIS,W/O 60.LH20J.006 701000018903R AUDIO,W DVI,SEC,LE20T5 LCP 20.0"LTM200KT01- LK.20006.007 631102200680RA 604(A)(SAMSUNG)RoH...

  • Page 61: Schematics And Layouts

    Acer Acer –LCD-P205H 06 Schematics and Layouts 6.1 PI BD Layout...
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  • Page 63 Acer Acer –LCD-P205H I/F BD Layout...
  • Page 64 Acer Acer –LCD-P205H 6.2 Switching Mode Power Supply circuit...
  • Page 65 VGA5V D107 VCC4.5V BAT750-LF/NC DVI5V R173 0/NC R0805 Note 2 Note 1 Note 3 D101 CN101 U101 U102 SSM24APT/NC VCC5V AP1084K33LA LD1117AL-1.8V 8P 2.0mm VCC5V +3.3V +3.3V +1.8V DIO--SMA VOUT VOUT +3.3V +1.8V R101 CCFL_ON/OFF C101 C104 100u/16V R0805 0.1/16V C102 C105 C106...
  • Page 66 CN102 Note 2 DZ11AA1-H5W6-4F RB101 R114 75 1% C113 0.047u/16V RED+ R0603 RB102 R115 75 1% C114 0.047u/16V GREEN+ R0603 RB103 R116 75 1% C115 0.047u/16V BLUE+ R0603 VGA5V Note 1 C116 C117 C118 10p/50V/NC 10p/50V/NC 10p/50V/NC R122 75 1% C119 0.047u/16V RED- R123...
  • Page 67 CN201 DVI-D_CON VCC5V DVI5V DVI_RX2- R201 Note 1 RX2- RX2- DVI_RX2+ R202 RX2+ RX2+ DVI_RX1- R203 R215 RX1- D201 RX1- DVI_RX1+ R204 0/NC C201 BAV70 RX1+ RX1+ 0.1/16V DVI_RX0- R205 RX0- RX0- DVI_RX0+ R206 RX0+ RX0+ R211 R212 R213 DVI_RXC+ R207 U201 RXC+...
  • Page 68 VDDP_33 +3.3V Note 1 AVDD_33 FB102 +3.3V VCC5V 60Ω VDDP_33 AVDD_33 VDDC_18 AVDD_18 C150 22u/16V C166 0.1/16V/NC RED+ VDDC_18 AVDD_18 RIN0P +1.8V VCC5V_DET R182 20K/NC RED- RIN0M GPIO_P00/SAR0/GPIO_P17/SAR0 R154 FB105 GREEN+ GIN0P GPIO_P01/SAR1/GPIO_P00/SAR1 ADC_KEY1 R155 GREEN- GIN0M GPIO_P02/SAR2/GPIO_P01/SAR2 ADC_KEY2 60Ω R159 C152 0.047u/16V SOGIN0...
  • Page 69 R827 56 C815 C805 330p/500V +24V 3,4 4700p/400V T801 D804 L802 R831 SPW-132 SF50-04F69-LF ZD801 1K 2W DC 380V Max. D805 SF50-04F69-LF Q801 D806 2N4401 SF50-04F69-LF C839 C830 C818 R828 ZD803 C806 C817 270u/50V 270u/50V 0.1/50V 1K 1% R805 P6KE150A 4700p/400V 270u/50V R818...
  • Page 70 R849 R850 R808 CN804 C810 Gate 0.1/50V R806 Isense R851 R803 R804 R813 IC802 LD7575 R809 680R COMP CON8PIN C812 C809 R807 C811 220p/50V 100K 1% 1000p/50V R844 C838 HD2202 InnoLux 100K 2.2uF Document Number : SIZE : APPRO BY : D812 SN4148 TITLE :...
  • Page 71 C516 R515 CN504 10p/3KV 4100-D02 C514 CN505 3p/3KV CN501 4100-D02 DRIV DRIV +24V C517 +24V 10p/3KV R516 BRIGHTNESS ON/OFF CN503 T501 4100-D02 SPW-102 +24V C518 R517 10p/3KV CON 20PIN C501 270u/50V C515 3p/3KV CN502 4100-D02 FB802 C519 R518 10p/3KV InnoLux Document Number : SIZE : APPRO BY :...
  • Page 72 R501 Q501 MMBT4401 Q502 ON/OFF R502 MMBT4401 C502 R503 220p/50V C508 1u/16V C503 R506 2200p/50V U501 COMP C504 AP9971GH 2.2u/16V CN506 C509 C513 2.2u/25V FSET R505 C506 0.1/50V 110K 1% 0.047/50V BOSC C510 2.2u/25V BRIGHTNESS DBRT DRIV R504 DRIV C511 +24V C505 IC501...
  • Page 73 CN901 POWER LED_G LED_A 4P 1.25mm SMD Pitch=1.25mm PCB Footprint same PX193W keypad LED901 SW901 POWER InnoLux P235H/205H keypad Document Number : SIZE : APPRO BY : TITLE : CHECK BY : Keypad 2008-2-03 DATE : DRAWN BY : Rev : SHEET...
  • Page 74 Note: Note3 1. Shut down control for BA20550, Logic low is placed on Note1 U751 C751 C752 this terminal for shut down mode, Logic high is placed on 0.1/16V 0.1/16V LINN RINN this terminal for normal operation C753 C754 0.1/16V AL_in LINP RINP...
  • Page 75 CN902 CN901 POWER LED_G LED_A LED_A E-Color AUTO RIGHT/LEFT 4P 1.5mm 90° R901 MENU 8P 1.5mm 90° Pitch=1.5mm E-color AUTO MENU RIGHT LEFT InnoLux P235H/205H keypad Document Number : SIZE : APPRO BY : TITLE : CHECK BY : KEYPAD 2009-02-05 DATE : DRAWN BY :...

  • Page 76: Assembly And Disassembly

    Acer Acer –LCD-P205H 07 Assembly and Disassembly The tool of Assembly and disassembly: 1) Electrostatic gloves 2) Electric screwdriver: the length of screwdriver top is 6±0.5cm and 15±0.5cm ; the diameter of screwdriver top is Φ5*H5mm Sequence Item Photo Procedures Description 1.Take panel out of box and place it on the...
  • Page 77 Acer Acer –LCD-P205H Assembly and Disassembly (continue) ASSY Assemble Place the chassis on the cushion after CHASSIS,W/O chassis and PI 701000018903R check, like the attached picture AUDIO,W board DVI,SEC,LE20T5 PCBA,P/I Assemble Insert power board into the designated BOARD,W /O chassis and PI...
  • Page 78 Acer Acer –LCD-P205H Assembly and Disassembly (continue) Take 5PCs M3*6 screws to fix powerboard Fix powerboard as attached picture. Take1PC M3*6 screw to fix maindboard as Fix mainboard attached picture. 1. Handle hexagonal screws and electric opener; Twist 2. Twist screw in the interface as attached hexagonal picture;...
  • Page 79 Acer Acer –LCD-P205H Assembly and Disassembly (continue) 1. Insert FFC cable into desiganted Insert FFC connector and use jig to insert it;; cable 2. Tear off foil to stick the cable for fix. Insert 4pcs lamp wire into the relevant...
  • Page 80 Acer Acer –LCD-P205H Assembly and Disassembly (continue) be sure the Put the cable in Put the cable in the position as the picture cable in the the position ASSY BACK Buckle back cover according to the Assemble back COVER,W /O...