H243 LCD Monitor Service Guide
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Acer Acer -LCD-H243H Service Manual LCD Monitor Acer H243H - 0 -
Acer Acer -LCD-H243H Service Manual LCD Monitor Acer H243H - 0 -
H243 LCD Monitor Service Guide
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Ltd. Acer H243H Service Manual 1 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 Contents Important Safety Notice 02 01 Product Specification 03 02 Flat Panel Specification 15 03 Exploded Diagram 36 04 Troubleshooting ...37 05 Spare Parts List 42 06 Schematics and Layouts 43 07 Assembly and Disassembly 46 Appendix : User's manual Copyright Copyright 2006 InnoLux Tech. Corp. 1 Table of InnoLux Tech. Corp.
Ltd. Acer H243H Service Manual 1 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 Contents Important Safety Notice 02 01 Product Specification 03 02 Flat Panel Specification 15 03 Exploded Diagram 36 04 Troubleshooting ...37 05 Spare Parts List 42 06 Schematics and Layouts 43 07 Assembly and Disassembly 46 Appendix : User's manual Copyright Copyright 2006 InnoLux Tech. Corp. 1 Table of InnoLux Tech. Corp.
H243 LCD Monitor Service Guide
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... the monitor. Service notes z When replacing parts or circuit boards, clamp the lead wires around terminals before cleaning it contains no user-serviceable parts. z Keep wires in a lean, cool, dry environment. Have it gets wet, unplug the power cable immediately and consult your closed dealer. If it checked by using the monitor if the cabinet is manufactured and tested on the monitor or power cord. 2. Apply non-ammonia based...
... the monitor. Service notes z When replacing parts or circuit boards, clamp the lead wires around terminals before cleaning it contains no user-serviceable parts. z Keep wires in a lean, cool, dry environment. Have it gets wet, unplug the power cable immediately and consult your closed dealer. If it checked by using the monitor if the cabinet is manufactured and tested on the monitor or power cord. 2. Apply non-ammonia based...
H243 LCD Monitor Service Guide
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... to display lower resolution video modes into1920x1080full screen display. Cord type depend on the front of the monitor. The image can be adjusted through OSD control. It's a green product and meets all ROHS standard. Acer 01 Product Specification Acer -LCD-H243H 1. The power button and display control buttons are on sale region) VGA cable : 1.8 m. (15 pin D-SUB, black cable with blue male connector) User manual : English (640Mb CD) Warranty card : DVI cable (option) : 1.8 m. (18+1 pin, black cable with white connector) HDMI cable (option) : 1.8 m. (19 pin, black cable with...
... to display lower resolution video modes into1920x1080full screen display. Cord type depend on the front of the monitor. The image can be adjusted through OSD control. It's a green product and meets all ROHS standard. Acer 01 Product Specification Acer -LCD-H243H 1. The power button and display control buttons are on sale region) VGA cable : 1.8 m. (15 pin D-SUB, black cable with blue male connector) User manual : English (640Mb CD) Warranty card : DVI cable (option) : 1.8 m. (18+1 pin, black cable with white connector) HDMI cable (option) : 1.8 m. (19 pin, black cable with...
H243 LCD Monitor Service Guide
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... ) Acer -LCD-H243H Note 1: Temperature and relative humidity range must be in the area shown as the time period for air discharge of Electrostatic Discharge and meet the standard of IEC61000-4-2(EN55024). (without discharge on VGA/DVI pin) 2.4 Reliability The MTBF of displaying an all WHITE field at cold-start, 25°C, DC output full-loading and 240Vac input Regulator...
... ) Acer -LCD-H243H Note 1: Temperature and relative humidity range must be in the area shown as the time period for air discharge of Electrostatic Discharge and meet the standard of IEC61000-4-2(EN55024). (without discharge on VGA/DVI pin) 2.4 Reliability The MTBF of displaying an all WHITE field at cold-start, 25°C, DC output full-loading and 240Vac input Regulator...
H243 LCD Monitor Service Guide
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... of of nine nine points points (backlight ) (backlight ) 75% L/10 L/2 4 5 6 W/10 1 2 3 7 8 9 W/2 5 Temperature Test pattern Video Resolution Video input level Warm-up time : 25 ± 5°C : white : 1920 x 1080 : 700 mV ± 2% : 30 minutes Set brightness control and also contrast control at maximum, to measure the screen center, the light output shall BL ≥ 240 cd/m2 (as panel spec). 3.2 White balance The test standard conditions refer...
... of of nine nine points points (backlight ) (backlight ) 75% L/10 L/2 4 5 6 W/10 1 2 3 7 8 9 W/2 5 Temperature Test pattern Video Resolution Video input level Warm-up time : 25 ± 5°C : white : 1920 x 1080 : 700 mV ± 2% : 30 minutes Set brightness control and also contrast control at maximum, to measure the screen center, the light output shall BL ≥ 240 cd/m2 (as panel spec). 3.2 White balance The test standard conditions refer...
H243 LCD Monitor Service Guide
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... value 4.3 Timing requirements The LCD monitor must be display) 2. Acer 4. Non-interlace signals only (An interlace signal cannot be capable of displaying standard resolutions within the vertical frequency range of 55 ~ 76 Hz and the horizontal scan range of 31 ~ 80 KHz with maximum pixel clock of Separate Horizontal/Vertical Sync Digital : TMDS Signal: (min) ±200mVpp@24Bit 4.2 Signal Timing Through D-SUB/DVI connectors, this unit can support FH= 31~80 KHz, Fv...
... value 4.3 Timing requirements The LCD monitor must be display) 2. Acer 4. Non-interlace signals only (An interlace signal cannot be capable of displaying standard resolutions within the vertical frequency range of 55 ~ 76 Hz and the horizontal scan range of 31 ~ 80 KHz with maximum pixel clock of Separate Horizontal/Vertical Sync Digital : TMDS Signal: (min) ±200mVpp@24Bit 4.2 Signal Timing Through D-SUB/DVI connectors, this unit can support FH= 31~80 KHz, Fv...
H243 LCD Monitor Service Guide
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Acer Acer -LCD-H243H Vertical / Horizontal Sync polarity: positive or negative. If input signal is out of range of horizontal 31~80 KHz or vertical 55-76Hz, or pixel clock large than 165MHz, message "Input Not Supported" is shown on screen. 4.1 DDC data H243H Analog 0 12 3 4 5 6 7 8 9 ABCD E F 0 00 FF FF FF FF FF FF 00 04 72 74 00 01 01 01 01 1 00 00 01 03 68 35 1D...
Acer Acer -LCD-H243H Vertical / Horizontal Sync polarity: positive or negative. If input signal is out of range of horizontal 31~80 KHz or vertical 55-76Hz, or pixel clock large than 165MHz, message "Input Not Supported" is shown on screen. 4.1 DDC data H243H Analog 0 12 3 4 5 6 7 8 9 ABCD E F 0 00 FF FF FF FF FF FF 00 04 72 74 00 01 01 01 01 1 00 00 01 03 68 35 1D...
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...(D) (TYP.) Acer -LCD-H243H 5.2 Keypad Function 5.2.1 Control buttons on the front bezel CONTROL KEY KEYS FUNCTION [POWER] Power on or power off the monitor MENU] [AUTO] [e Color ] [Input select] A. Acer Number of an adjustment item, or change an adjustment value B. Go into next port automatically, if search the port without signal D. When "Main OSD" un-displays, press [►] to show "Audio" OSD and increase the volume, press [◄] to perform auto-adjustment B. Display it, if search the port with signal in order...
...(D) (TYP.) Acer -LCD-H243H 5.2 Keypad Function 5.2.1 Control buttons on the front bezel CONTROL KEY KEYS FUNCTION [POWER] Power on or power off the monitor MENU] [AUTO] [e Color ] [Input select] A. Acer Number of an adjustment item, or change an adjustment value B. Go into next port automatically, if search the port without signal D. When "Main OSD" un-displays, press [►] to show "Audio" OSD and increase the volume, press [◄] to perform auto-adjustment B. Display it, if search the port with signal in order...
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.... V. ON OSD menu will be an easy to their default values. Color Temp Red 0~100 80 User Green 0~100 80 Blue 0~100 80 OSD Auto Configure --- Position --- --0~100 0~100 --- Position 0~100 50 V. Depending on . H. Cool --- --- --- Acer FACTORY MODE ● Acer -LCD-H243H Press [e], and then press [POWER] for entering factory mode. 5.4 OSD Structure The On-Screen Display (OSD) shall be shown with all OSD controls set to use icon based menu through keypad OSD buttons or remote control unit...
.... V. ON OSD menu will be an easy to their default values. Color Temp Red 0~100 80 User Green 0~100 80 Blue 0~100 80 OSD Auto Configure --- Position --- --0~100 0~100 --- Position 0~100 50 V. Depending on . H. Cool --- --- --- Acer FACTORY MODE ● Acer -LCD-H243H Press [e], and then press [POWER] for entering factory mode. 5.4 OSD Structure The On-Screen Display (OSD) shall be shown with all OSD controls set to use icon based menu through keypad OSD buttons or remote control unit...
H243 LCD Monitor Service Guide
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.... SOP of firmware upgrade (Manufacturer of FW ICjPMC/SST/MX 6.2 Operational steps: 1. Connection: connect PC to PCBA with signal cable, and then keep AC and DC in open state. 10 Notes: (1) Clock default 50 is Mstar) 6.1 Operational condition: Equipment: PC, ISP card, signal cable and power cable. Acer ACM Input Language Reset Resolution H. Others depend on timing. (2) Depend on timing & S/N Acer -LCD-H243H OFF --- Freq Input Type S/N OFF ON OFF VGA DVI HDMI EMEA English Russian Deutsch...
.... SOP of firmware upgrade (Manufacturer of FW ICjPMC/SST/MX 6.2 Operational steps: 1. Connection: connect PC to PCBA with signal cable, and then keep AC and DC in open state. 10 Notes: (1) Clock default 50 is Mstar) 6.1 Operational condition: Equipment: PC, ISP card, signal cable and power cable. Acer ACM Input Language Reset Resolution H. Others depend on timing. (2) Depend on timing & S/N Acer -LCD-H243H OFF --- Freq Input Type S/N OFF ON OFF VGA DVI HDMI EMEA English Russian Deutsch...
H243 LCD Monitor Service Guide
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Software Checksum FW software rooter 11 Adjust ISP programming Firstly, double click ISP_Tool_v3.7.5EXEI and open ISP program, then select "Device", next select manufacturer model of FW IC, which should be correspondent with that of ISP program card is connected to PC print port. 2. Acer Acer -LCD-H243H One port of PCBA FW IC. FW IC Model Secondlypdownload FW software: first select "READ", and then load FW software in Rooter (Fig.2). Double click Figure One.
Software Checksum FW software rooter 11 Adjust ISP programming Firstly, double click ISP_Tool_v3.7.5EXEI and open ISP program, then select "Device", next select manufacturer model of FW IC, which should be correspondent with that of ISP program card is connected to PC print port. 2. Acer Acer -LCD-H243H One port of PCBA FW IC. FW IC Model Secondlypdownload FW software: first select "READ", and then load FW software in Rooter (Fig.2). Double click Figure One.
H243 LCD Monitor Service Guide
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Click "RUN" for beginning programming. Acer -LCD-H243H Fourthly, select "AUTO", and keep its default value. There will be prompting if programming is OK. 12 Acer Thirdly, select "Connect" and enter ISP MODE as in the following Figure 3.
Click "RUN" for beginning programming. Acer -LCD-H243H Fourthly, select "AUTO", and keep its default value. There will be prompting if programming is OK. 12 Acer Thirdly, select "Connect" and enter ISP MODE as in the following Figure 3.
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Acer Acer -LCD-H243H Note: if programming fails or success rate is not high, click "Config" and adjust its speed in "E2PROM DEVICE SETTING" After connecting, AC ON, DC ON OK Open ISP program OK Choose manufacturer and model of FW IC OK LOAD FW software OK Click Connect and enter ISP MODE OK $MJDL"650BOE36/GPS CFHJOOJOHQSPHSBNNJOH OK Turn off power if programming is OK ³Flowing chart NG Choose Config and adjust programming 13
Acer Acer -LCD-H243H Note: if programming fails or success rate is not high, click "Config" and adjust its speed in "E2PROM DEVICE SETTING" After connecting, AC ON, DC ON OK Open ISP program OK Choose manufacturer and model of FW IC OK LOAD FW software OK Click Connect and enter ISP MODE OK $MJDL"650BOE36/GPS CFHJOOJOHQSPHSBNNJOH OK Turn off power if programming is OK ³Flowing chart NG Choose Config and adjust programming 13
H243 LCD Monitor Service Guide
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LCD Exploded drawing (All) 39 Acer 03 Exploded Diagram 3.1 H243H_SCREW_LIST Acer -LCD-H243H ITEM PN Description Q'T Y(P CS) Fixed T(kg*cm) Remark 1 509146306 SCREW,P,CROSS,W/WAS 200R ,M3*6,Zn-Cc 7 6.5Ô0.5 For NVBD/PWRBD/HDMI 2 509216608 110R SCREW,F,CROSS,M4*8,B LACK,NL,ROHS(NYLOK ) 4 12Ô1 For Hingle toBack cover 3 509412610 500R SCREW B CROSS T T-4*10 BLK ROHS 3 8.5Ô0.5 For Hingle to Stand Front 4 509000000 700R BOLT,#4-40x11.8,Ni 4 4.0Ô0.25 For D-SUB CON&DVI 3.2.
LCD Exploded drawing (All) 39 Acer 03 Exploded Diagram 3.1 H243H_SCREW_LIST Acer -LCD-H243H ITEM PN Description Q'T Y(P CS) Fixed T(kg*cm) Remark 1 509146306 SCREW,P,CROSS,W/WAS 200R ,M3*6,Zn-Cc 7 6.5Ô0.5 For NVBD/PWRBD/HDMI 2 509216608 110R SCREW,F,CROSS,M4*8,B LACK,NL,ROHS(NYLOK ) 4 12Ô1 For Hingle toBack cover 3 509412610 500R SCREW B CROSS T T-4*10 BLK ROHS 3 8.5Ô0.5 For Hingle to Stand Front 4 509000000 700R BOLT,#4-40x11.8,Ni 4 4.0Ô0.25 For D-SUB CON&DVI 3.2.
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Acer Unstable power 04 Troubleshooting 4.1 No Power & LED Off Acer -LCD-H243H Check sampling Circuit Check the R pin voltage of IC803 about 2.5V yes NG NG Check F801, R808,R806 NG Check the C pin voltage of IC803 if 3V Change F801, R808,R806 NG Change IC803 Check R832,IC801 Check pin6 of IC802 NG voltage is 14V yes Check FB801,D803,C8 07,C810 if short yes Change FB801,D803,C807, C810 Check pin2 of IC802 voltage above 0.85V yes NG Change R815, R 809, R848, R 849, R850,R851,C809, END 40
Acer Unstable power 04 Troubleshooting 4.1 No Power & LED Off Acer -LCD-H243H Check sampling Circuit Check the R pin voltage of IC803 about 2.5V yes NG NG Check F801, R808,R806 NG Check the C pin voltage of IC803 if 3V Change F801, R808,R806 NG Change IC803 Check R832,IC801 Check pin6 of IC802 NG voltage is 14V yes Check FB801,D803,C8 07,C810 if short yes Change FB801,D803,C807, C810 Check pin2 of IC802 voltage above 0.85V yes NG Change R815, R 809, R848, R 849, R850,R851,C809, END 40
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Acer Black Screen 4.2 Black screen Acer -LCD-H243H Check power supply: NG Pin 1, 2 of CN104 OK Check power supply: NG For U104 OK Check reset: NG pin 8 of U104 OK Check Crystal waveform NG Pin 25,26 of U104 OK Check CCFL_Enable Pin 101 of U104 OK Check Pin 7 of CN104 NG U104 fail POWER Fail Check U101, U102 Check C161, R183 Check X101, C156, C157,R191 NG Inverter Fail OK Check Q102, R101, R102 42
Acer Black Screen 4.2 Black screen Acer -LCD-H243H Check power supply: NG Pin 1, 2 of CN104 OK Check power supply: NG For U104 OK Check reset: NG pin 8 of U104 OK Check Crystal waveform NG Pin 25,26 of U104 OK Check CCFL_Enable Pin 101 of U104 OK Check Pin 7 of CN104 NG U104 fail POWER Fail Check U101, U102 Check C161, R183 Check X101, C156, C157,R191 NG Inverter Fail OK Check Q102, R101, R102 42
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Acer Bad Screen 4.4 Bad Screen Acer -LCD-H243H Check LVDS OK cable NG Change LVDS OK cable NG Check Crystal: OK Pin 25,26 of U104 NG Change X101, C156, C157 Workmanship LVDS cable NG Check the pins of U104 43
Acer Bad Screen 4.4 Bad Screen Acer -LCD-H243H Check LVDS OK cable NG Change LVDS OK cable NG Check Crystal: OK Pin 25,26 of U104 NG Change X101, C156, C157 Workmanship LVDS cable NG Check the pins of U104 43
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Acer Acer -LCD-H243H 05 Spare parts List 82424171A120R OEM PART NO DESCRIPTION MOQ N/A 792381300701R PCBA,I/F BOARD(EMEA,W/SPK),LP2441-717 RO 50 1 792381400700R PCBA,P/I BOARD,W/SPK,LP2441-717 ROHS 50 1 792381500000R PCBA,POWER KYEPAD/B,LP2441 ROHS 50 1 792381500010R PCBA,TOUCHPAD BOARD,LP2441 ROHS 50 1 453070801190R PWRCORD 16A/250V BLK 6FT VDE/KTL H05VV-F 50 1 453030300370R CABLE,DVI-D 18+1P MALE 6FT BLACK , ROHS...
Acer Acer -LCD-H243H 05 Spare parts List 82424171A120R OEM PART NO DESCRIPTION MOQ N/A 792381300701R PCBA,I/F BOARD(EMEA,W/SPK),LP2441-717 RO 50 1 792381400700R PCBA,P/I BOARD,W/SPK,LP2441-717 ROHS 50 1 792381500000R PCBA,POWER KYEPAD/B,LP2441 ROHS 50 1 792381500010R PCBA,TOUCHPAD BOARD,LP2441 ROHS 50 1 453070801190R PWRCORD 16A/250V BLK 6FT VDE/KTL H05VV-F 50 1 453030300370R CABLE,DVI-D 18+1P MALE 6FT BLACK , ROHS...
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Acer 6.2 Switching Mode Power Supply circuit Acer -LCD-H243H 47
Acer 6.2 Switching Mode Power Supply circuit Acer -LCD-H243H 47