Acer Aspire 9500 Service Guide
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76Chapter 4 C7h Initialize notebook docking late C8h Force check (optional) C9h Extended checksum (optional) D2h Unknown interrupt CodeBeeps For Boot Block in ROM E0h Initialize the chipset E1h Initialize the bridge E2h Initialize the CPU E3h Initialize system timer E4h Initialize system I/O E5h Check force recovery boot E6h Checksum BIOS ROM E7h Go to BIOS E8h Set Huge Segment E9h Initialize Multi Processor EAh Initialize OEM special code EBh Initialize PIC and DMA ECh Initialize Memory type EDh...
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Chapter 477 Repair Flowchar
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78Chapter 4 No Power START AC adapter or battery work (Blue LED active)?Replace AC-Adapter or battery AC Adapter well connected?Connect it wellNo No Replace M/B Power Board (LS-2782) OK?Replace LS-2782No
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Chapter 479 No Display START Power On?Nogoto no power trouble shooting step Replace Ext. DDR RAM moduleNo NoConnect it well CPU OK? Replace M/B Connect it wellNo Replace CPUNo LCD module OK?NoReplace LCD panel/ LCD cableExt. DDRRAM module well connected? Ext. DDRRAM module OK? CPU well connected? VGA BD OK? Or Connect it well?NoConnect it well or Replace VGA BD
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80Chapter 4 LCD Picture No Good START LCD Module OK? Replace Inverter BD/ LCD panel/ LCD cable No Replace M/B VGA/B Connect OK?Connect it wellNo VGA BD OK? Replace VGA BD (LS-2786) No
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Chapter 481 Internal Keyboard Failure START Keyboard FPC well connected?NoConnect it well Keyboard OK?NoReplace keyboard Replace M/B
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82Chapter 4 Parallel Port Failure START Ext. loopback well connected?NoConnect it well Loopback OK?NoReplace Loopback Replace M/B
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Chapter 483 Touch Pad Mouse Failure START T/P FFC (M/B side) well connected?NoConnect it well Upper Logic OK?No Replace M/B T/P FFC (T/Pad BD side) well connected?NoConnect it well T/P FFC OK?NoReplace T/P FFC Replace T/Pad
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84Chapter 4 Speaker Failure START Speaker cable well connected?NoConnect it well Replace M/B Replace speakerNoOn Logic lower Speaker OK?
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Chapter 485 Microphone Record Failure START WinXP OS record test OK?No Change Other OS re-test Replace M/B Replace Mic wireNo On logic upper Mic wire OK? Connect wellNoMIC cable well connected?