eMachines EL1700 Page 31 Service Manual Download

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Chapter 3

This chapter contains step-by-step procedures on how to disassemble the desktop computer for maintenance
and troubleshooting.

Disassembly Requirements

To disassemble the computer, you need the following tools:

•

Wrist grounding strap and conductive mat for preventing electrostatic discharge

•

Flat-blade screwdriver

•

Philips screwdriver

•

Hex screwdriver

•

Plastic flat-blade screwdriver

•

Plastic tweezers

NOTE:

The screws for the different components vary in size. During the disassembly process, group the

screws with the corresponding components to avoid mismatch when putting back the components.

Chapter 3

System Disassembly

Summary of Contents for EL1700

Page 1: ...eMachines EL1700 Service Guide PRINTED IN TAIWAN Service guide files and updates are available on the ACER CSD web for more information please refer to http csd acer com tw...

Page 2: ...ii Revision History Please refer to the table below for the updates made on this service guide Date Chapter Updates...

Page 3: ...blication may be reproduced transmitted transcribed stored in a retrieval system or translated into any language or computer language in any form or by any means electronic mechanical magnetic optical...

Page 4: ...programs prove defective following their purchase the buyer and not Acer Incorporated its distributor or its dealer assumes the entire cost of all necessary servicing repair and any incidental or cons...

Page 5: ...itional information related to the current topic WARNING Alerts you to any physical risk or system damage that might result from doing or not doing specific actions CAUTION Gives precautionary measure...

Page 6: ...cases please contact your regional offices or the responsible personnel channel to provide you with further technical details FRU Information Please note WHEN ORDERING FRU PARTS that you should check...

Page 7: ...Removing the Hard Disk Drive 35 Removing the Power Supply 38 Removing the Memory Modules 40 Removing the Front I O and Card Reader Boards 41 Removing the Mainboard 45 Removing the Power Switch and LE...

Page 8: ...viii...

Page 9: ...00 processor Intel Celeron Dual Core E1200 processor Intel Celeron 450 processor Chipset NVIDIA nForce MCP73PV Memory subsystem Supports up to two 240 pin DDR2 533 667 800 MHz DIMM sockets Supports me...

Page 10: ...ker subwoofer jack Surround L R speaker jack Audio inside speaker jack or side speaker jack Four USB 2 0 ports Gigabit LAN port VGA monitor port Operating system and software Operating system options...

Page 11: ...exterior components Front Panel No Icon Component 1 Power button power indicator 2 Optical drive bay door 3 Drive bay door eject button Press to open drive bay door and access the optical drive 4 USB...

Page 12: ...ack 3 Microphone speaker out line in jack 4 Center speaker subwoofer jack 5 Rear speaker surround out jack 6 Gigabit LAN port 10 100 1000 Mbps 7 USB 2 0 ports 8 VGA monitor port 9 PS2 keyboard port 10...

Page 13: ...Chapter 1 5 Internal Components No Component 1 HDD drive 2 Optical drive 3 Expansion cards expansion cards are not available in this model 4 Mainboard 5 Heat sink fan assembly 6 Power supply...

Page 14: ...m is not powered on HDD activity Green On HDD is installed and functioning correctly Green Blinking Ongoing HDD activity Green Amber Flashing HDD is rebuilding data Amber On HDD failure LAN port netwo...

Page 15: ...ompted Run Setup message to make changes to the CMOS setup NOTE If you repeatedly receive Run Setup messages the battery may be bad In this case the system cannot retain configuration values in CMOS A...

Page 16: ...age of a multiple page menu Home Move the cursor to the first page of a multiple page menu End Move the cursor to the last page of a multiple page menu and keys Select a value for the currently select...

Page 17: ...dvanced BIOS Features Advanced Chipset Features Integrated Peripherals Power Management Setup PC Health Status Frequency Voltage Control BIOS Security Features Load Default Setting Save Exit Setup Exi...

Page 18: ...em Processor Speed Speed of the CPU installed on the system System Memory Total size of system memory installed on the system System Manufacturer Name of the manufacturer of this system Product Name P...

Page 19: ...ay month day year format System Time Set the system time following the hour minute second format SATA Port 1 2 3 Press Enter to view detailed device information connected to the SATA connectors Halt O...

Page 20: ...emovable Device LAN Hard Disk Drive Priority Press Enter to access the Hard Disk Drive Priority submenu and specify the boot device priority sequence from available hard drives Optical Disk Drive Prio...

Page 21: ...re flag to always return to 0 Enabled Disabled Intel Virtualization Technology Enables or disables the Virtualization Technology VT availability If enabled a virtual machine manager VMM can utilize th...

Page 22: ...s the onboard graphics controller Enabled Disabled Onboard Audio Controller Enables or disables the onboard audio controller Enabled Disabled Onboard LAN Controller Enables or disables the onboard LAN...

Page 23: ...event on PCI Express device Enabled Disabled Power On by Modem Ring Enables or disable to wake the system by ring function Enabled Disabled Wake Up by PS 2 KB Mouse Enables or disables to wake up the...

Page 24: ...16 Chapter 2 PC Health Status Parameter Description Option Smart FAN Enables or disables the smart system fan control function Enabled Disabled...

Page 25: ...ead Spectrum Enables or disables the reduction of the mainboard s EMI Note Remember to disable the Spread Spectrum feature if you are overclocking A slight jitter can introduce a temporary boost in cl...

Page 26: ...Type the original password then press Enter 3 Type a new password then press Enter 4 Retype the password to verify the first entry then press Enter again 5 Press F10 6 Select Yes to save the new passw...

Page 27: ...d the default settings for all BIOS setup parameters Setup defaults are quite demanding in terms of resources consumption If you are using low speed memory chips or other kinds of low performance comp...

Page 28: ...20 Chapter 2 Save Exit Setup The Save Exit Setup menu allows you to save changes made and close the Setup Utility...

Page 29: ...Chapter 2 21 Exit Without Saving The Exit Without Saving menu allows you to discard changes made and close the Setup Utility...

Page 30: ...22 Chapter 2...

Page 31: ...tools Wrist grounding strap and conductive mat for preventing electrostatic discharge Flat blade screwdriver Philips screwdriver Hex screwdriver Plastic flat blade screwdriver Plastic tweezers NOTE T...

Page 32: ...edure perform the steps listed below 1 Turn off the system and all the peripherals connected to it 2 Unplug the power cord from the power outlets 3 Unplug the power cord from the system 4 Unplug all p...

Page 33: ...BZN 86 1A324 5R0 C 6 32 L6 NI 86 00J44 C60 MAIN UNIT FRONT BEZEL MAIN UNIT DISASSEMBLY SIDE PANEL CPU Ax2 HEAT SINK FAN ASSEMBLY POWER SUPPLY MEMORY MODULES VGA CARD OPTICAL DISK DRIVE HDD ODD BRACKE...

Page 34: ...26 Chapter 3 D 6 32 3 16 NI 86 5A5B6 012 E 6 32 5MM NI 86 9A5G6 162 Screw Part No...

Page 35: ...d on the rear edge of the side panel 3 Slide the side panel toward the back of the chassis until the tabs on the cover disengage with the slots on the chassis 4 Lift the side panel away from the serve...

Page 36: ...ter 3 Removing the Front Bezel 1 Remove the side panel Refer to the previous section for instructions 2 Release the front bezel retention tabs from the chassis interior 3 Pull the bezel away from the...

Page 37: ...on NEVER touch the heat sink with any metal or with your hands 1 See Removing the Side Panel on page 27 2 See Removing the Front Bezel on page 28 3 Use a long nosed screwdriver to loosen the four scr...

Page 38: ...fan cable from the mainboard 6 Remove the heat sink fan assembly from the chassis then lay it down in an upright position with the thermal patch facing upward Do not let the thermal patch on the heat...

Page 39: ...ARNING The processor becomes very hot when the system is on Allow it to cool off first before handling 1 See Removing the Side Panel on page 27 2 See Removing the Front Bezel on page 28 3 See Removing...

Page 40: ...32 Chapter 3 6 Pull out the processor from the socket IMPORTANT If you are going to install a new processor note the arrow on the corner to make sure the processor is properly oriented over the socket...

Page 41: ...age 28 3 See Removing the Heat Sink Fan Assembly on page 29 4 See Removing the Processor on page 31 5 Disconnect the data and power cables from the rear of the optical drive and the mainboard 6 Remove...

Page 42: ...34 Chapter 3 7 Pull the drive out of the drive bay...

Page 43: ...he Heat Sink Fan Assembly on page 29 4 See Removing the Processor on page 31 5 See Removing the Optical Drive on page 33 6 Remove the HDD ODD bracket a Remove the screw C that secures the HDD bracket...

Page 44: ...Chapter 3 7 Disconnect the data and power cables from the rear of the hard drive 8 Disconnect the other end of the data cable from the mainboard 9 Place the bracket on a clean static free work surfac...

Page 45: ...emove the HDD module a Remove the four screws D that secure the HDD module to the HDD bracket b Slide the HDD out of the bracket Screw Quantity Color Torque Part No 6 32 3 16 NI 4 Silver 5 5 to 6 5 kg...

Page 46: ...page 29 4 See Removing the Processor on page 31 5 See Removing the Optical Drive on page 33 6 See Removing the Hard Disk Drive on page 35 7 Disconnect the 4 pin and 24 pin power supply cables from th...

Page 47: ...9 Remove the three screws A that secure the power supply to the rear panel 10 Lift the power supply module out of the chassis Screw Quantity Color Torque Part No 6 32 L5 BZN 3 Black 5 5 to 6 5 kgf cm...

Page 48: ...page 27 2 See Removing the Front Bezel on page 28 3 See Removing the Heat Sink Fan Assembly on page 29 4 See Removing the Processor on page 31 5 See Removing the Optical Drive on page 33 6 See Removi...

Page 49: ...e Removing the Heat Sink Fan Assembly on page 29 4 See Removing the Processor on page 31 5 See Removing the Optical Drive on page 33 6 See Removing the Hard Disk Drive on page 35 7 See Removing the Me...

Page 50: ...B 1394 and audio cables from the mainboard 11 Remove the front I O and card reader board bracket a Remove the two screws D that secure the bracket to the chassis Screw Quantity Color Torque Part No 6...

Page 51: ...ve the bracket 12 Remove the card reader board a Remove the two screws C that secure the card reader board to the bracket b Pull the card reader board out of the bracket Screw Quantity Color Torque Pa...

Page 52: ...ove the front I O board a Remove the two screws C that secure the I O board to the bracket b Pull the I O board out of the bracket Screw Quantity Color Torque Part No 6 32 L6 BZN 2 Silver 3 5 to 4 5 k...

Page 53: ...e on page 33 6 See Removing the Hard Disk Drive on page 35 7 See Removing the Memory Modules on page 40 8 See Removing the Front I O and Card Reader Boards on page 41 9 See Removing the TV Tuner Card...

Page 54: ...Chapter 3 13 Remove the six screws C that secure the mainboard to the chassis 14 Lift the board from the chassis Screw Quantity Color Torque Part No 6 32 L5 BZN 6 Silver 5 7 to 6 3 kgf cm 86 00J44 C6...

Page 55: ...e on page 33 6 See Removing the Hard Disk Drive on page 35 7 See Removing the Memory Modules on page 40 8 See Removing the Front I O and Card Reader Boards on page 41 9 See Removing the TV Tuner Card...

Page 56: ...48 Chapter 3 13 Pull the LED bracket up and lift up from the chassis 14 Release the two locking tabs 1 and gently pull the HDD LED cable out 2...

Page 57: ...ease the two locking tabs 1 pull power switch cable bracket out of the LED bracket 2 b Grasp the power switch cable bracket and pull the power switch cable out of the bracket 16 Release the two lockin...

Page 58: ...50 Chapter 3...

Page 59: ...r products prototype cards or modified options can give false errors and invalid system responses 1 Obtain the failing symptoms in as much detail as possible 2 Verify the symptoms by attempting to rec...

Page 60: ...If the problem is not evident continue with System Internal Inspection System Internal Inspection 1 Turn off the system and all the peripherals connected to it 2 Unplug the power cord from the power o...

Page 61: ...d has been activated Not all computers using AMIBIOS enable this feature In most cases a checkpoint card is the best tool for viewing AMIBIOS checkpoints Beep Symptom Cause and Description One short b...

Page 62: ...information materials for all of Acer notebook desktop and server models including Service guides for all models User s manuals Training materials BIOS updates Software utilities Spare parts lists Tec...

Page 63: ...Chapter 5 55 System Block Diagram System Block Diagram and Board Layout Chapter 5...

Page 64: ...56 Chapter 5 Board Layout Mainboard...

Page 65: ...ATA Top USB Port 2 Bottom eSATA Port 4 PANEL1 LED cable connector 15 COM1 VGA1 Top Serial Port Bottom VGA Port 5 F_USB3 Front USB connector 16 HDMI HDMI port 6 SATA1 and 2 SATA data cable connectors 1...

Page 66: ...58 Chapter 5 System Jumpers No Name Location Default Settings 1 General Purpose Input Output GPIO32 Short GPIO33 Open 2 Clear CMOS CLR_CMOS1 0 1 1 2 Normal default Clear CMOS...

Page 67: ...on the printed Service Guide For Acer authorized service providers your Acer office may have a different part number code from those given in the FRU list of this printed Service Guide You MUST use t...

Page 68: ...60 Chapter 6 eMachines L1700 Exploded Diagram NOTE This section will be updated when more information becomes available...

Page 69: ...EMOTE CONTROLLER RC SMK VISTA MCE SC EDITION WITH 2 BATTERIES RC SMK VISTA MCE SC EDITION RT 11300 004 1 REMOTE CONTROLLER PHILIPS RC1534515 WITH 2 BATTERIES FOR EMEA VISTA MCE ICONIZED RC WITH 2 BATT...

Page 70: ...AUDIO BOARD CABLE C A AUDIO BOXER VSO 50 SAR01 003 1 AUDIO BOARD CABLE C A AUDIO BOXER95 50 SBF01 003 SATA ODD cable 1 SATA ODD CABLE SHORT C A SATA ODD PUG 50 G1001 001 SATA HDD cable 1 SATA HDD CAB...

Page 71: ...0 EU80571PH0613M 893550 SLAPC IC CPU CONROE E7200 2 53G PGA KC 72001 DE0 1 CPU INTEL CORE2DUO E8400 3 0G 6M 1333FSB 65W C0 EU80570PJ0806M 893557 SLAPL IC CPU WOLFDALE E8400 3 0G PGA KC 84001 DE0 1 CPU...

Page 72: ...00RPM SATA II HGST HDS721616PLA380 LF F W BEA HGST 160GB SATA 8MB 7200 NCQ KH 16007 017 1 HDD 320GB 3 5 7200RPM WD WD3200AAJS 22B4A0 XL320S SATA LF HDD 320GB WD WD3200AAJS 22B4A0 KH 32008 014 1 HDD 32...

Page 73: ...104KEY CHICONY KB 07593T02552V THAI BLACK KB PS2 KB 0759 THAI BLACK 104K KB PS203 101 1 KEYBOARD PS2 105KEY CHICONY KB 07596E02552V SPANISH BLACK KB PS2 KB 0759 SPANISH BLACK 1 KB PS203 102 1 KEYBOAR...

Page 74: ...ONY KB 07596CL2552V SLOVAK BLACK KB PS2 KB 0759 SLOVAK BLACK105 KB PS203 120 1 KEYBOARD PS2 105KEY CHIOCNY KB 07596HU2552V HUNGARIAN BLACK KB PS2 KB 0759 HUNGARIAN BLACK KB PS203 122 1 KEYBOARD PS2 10...

Page 75: ...107KEY CHICONY KU 07608PA2552V BRAZILIAN PORTU KB USB KU 0760 BRAZILIAN PORTU KB USB03 071 1 KEYBOARD USB 109KEY CHICONY KU 07600J02552V JAPANESE BLACK KB USB KU 0760 JAPANESE BLACK KB USB03 072 1 KEY...

Page 76: ...NBLACK KB USB03 088 1 KEYBOARD USB 104KEY CHICONY KU 07603GR2552V GREEK BLACK KB USB KU 0760 GREEK BLACK 104 KB USB03 089 1 KEYBOARD USB 105KEY CHICONY KU 07606DK2552V DANISH BLACK KB USB KU 0760 DANI...

Page 77: ...Y UNIFOSA UNB DIMM DDRII 800 2GB GU342G0ALEPR692C6CE LF DIMM 2G GU342G0ALEPR692C6CE KN 2GB0H 004 Mouse 1 MOUSE PS2 OPT SM 9620 LITEON SM 30600 00W MOUSE PS2 OPT SM 9620 LITEON MS 11200 017 1 LOGITECH...

Page 78: ...6 32 3 16 NI SCREW FLAT 6 32 3 16 NI 86 5A5B6 012 1 SCRW MB FLAT 6 32 5MM NI SCRW MB FLAT 6 32 5MM NI 86 9A5G6 162 Speaker 1 SPEAKER CHIAMAW 9M 20A200 000 ACER LOGO LF 0810 SPEAKER ACER LOGO LF0810 SP...

Page 79: ...775 LGA 775 LGA 775 LGA 775 LGA 775 LGA 775 LGA 775 LGA 775 Clock Multiplier 9x 10x 7x 7 5x 8x 8x 8 5x 9x Voltage V 1 1 1 372 1 1 1 372 0 85 1 3625 0 85 1 3625 0 85 1 3625 0 85 1 3625 0 85 1 3625 0 85...

Page 80: ...1 5 1 162 1 312 Thermal Design Power W 65 65 65 65 Intel Celeron Dual Core Item Specification Type Intel Celeron Dual Core Model Number E1200 Architecture nm 65 L2 Cache Size KB 512 Clock Speed GHz 1...

Page 81: ...Specification Memory controller NVIDIA NForce MCP73PV 1048 BGA Memory type DDR2 800 unbuffered DIMM Module name PC2 6400 Organization ECC Pin count 240 DIMM sockets 2 DIMM size 512 MB or 1 GB Minimum...

Page 82: ...pindle speed RPM 7200 7200 7200 Capacity GB 160 320 500 640 160 320 500 160 320 500 Cache MB 160 320 500 GB 8 640 GB 16 160 500 GB 8 320 GB 16 160 GB 8 320 500 GB 16 Item Specification PCI controller...

Page 83: ...Time DVD 160 ms CD 140 ms Buffer Size 4 MB 4 MB 2 MB Interface Type Serial ATA Serial ATA Serial ATA DVD ROM Item Specification Vendor HLDS PLDS Model name GDR H20N DH 16D2S Drive type DVD ROM DVD ROM...

Page 84: ...Appendix A 76...

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