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Dell Vostro 3470, Service Manual, Page: 11 / 80

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Dell Vostro 3470 Service Manual Download Page 11

System board layout

1

Power switch connector

2

M.2 connector for WIFI card

3

Coin cell battery connector

4

SATA power connector (Black)

5

SATA0 connector (Blue)

6

SATA3 connector (Black)

7

ATX Power Connector(ATX_SYS)

8

SATA2 connector (White)

9

Service mode / password clear/CMOS clear jumpers

10

PCI-e X16 Connector(SLOT2)

11

PCI-e X1 Connector(SLOT1)

12

M.2 SATA Connector for SSD

13

Processor socket

14

CPU Power Connector(ATX_CPU)

15

CPU Fan Connector(FAN_CPU)

16

Memory-module slots (DIMM1, DIMM2)

Cover

Removing the cover

1 

Follow the procedure in 

Before working inside your computer

.

2 

Follow the steps to remove the cover:

a Remove the two 6-32xL6.35 screws that secure the cover to the computer [1].
b Slide the computer cover towards the back of the computer [2].

Removing and installing components

11

Summary of Contents for Vostro 3470

Page 1: ...Dell Vostro 3470 Service Manual Regulatory Model D13S Regulatory Type D13S003 ...

Page 2: ...amage to hardware or loss of data and tells you how to avoid the problem WARNING A WARNING indicates a potential for property damage personal injury or death 2018 Dell Inc or its subsidiaries All rights reserved Dell EMC and other trademarks are trademarks of Dell Inc or its subsidiaries Other trademarks may be trademarks of their respective owners 2018 04 Rev A00 ...

Page 3: ...stalling the cover 13 Front Bezel 13 Removing the front bezel 13 Installing the front bezel 15 Cooling shroud 17 Removing the cooling shroud 17 Installing the cooling shroud 18 Expansion card 19 Removing the PCIe X1 expansion card optional 19 Installing the PCIe X1 expansion card optional 21 Removing the PCIe X16 expansion card optional 23 Installing the PCIe X16 expansion card optional 25 Install...

Page 4: ...r switch 52 Power supply unit 54 Removing the power supply unit PSU 54 Installing the power supply unit PSU 57 Coin cell battery 60 Removing the coin cell battery 60 Installing the coin cell battery 61 Processor 62 Removing the processor 62 Installing the processor 63 System board 64 Removing the system board 64 Installing the system board 69 4 Troubleshooting 75 Enhanced Pre Boot System Assessmen...

Page 5: ... same time as touching a connector on the back of the computer CAUTION Handle components and cards with care Do not touch the components or contacts on a card Hold a card by its edges or by its metal mounting bracket Hold a component such as a processor by its edges not by its pins CAUTION When you disconnect a cable pull on its connector or on its pull tab not on the cable itself Some cables have...

Page 6: ...eriodically touching an unpainted metal surface at the same time as touching a connector on the back of the computer After working inside your computer After you complete any replacement procedure ensure that you connect any external devices cards and cables before turning on your computer 1 Connect any telephone or network cables to your computer CAUTION To connect a network cable first plug the ...

Page 7: ...ically 10 times faster than its predecessor In a nutshell USB 3 1 Gen 1 features are as follows Higher transfer rates up to 5 Gbps Increased maximum bus power and increased device current draw to better accommodate power hungry devices New power management features Full duplex data transfers and support for new transfer types Backward USB 2 0 compatibility New connectors and cable The topics below...

Page 8: ...1 Gen 1 opens up the laneways and provides more headroom for devices to deliver a better overall experience Where USB video was barely tolerable previously both from a maximum resolution latency and video compression perspective it s easy to imagine that with 5 10 times the bandwidth available USB video solutions should work that much better Single link DVI requires almost 2Gbps throughput Where 4...

Page 9: ...1 4 Features HDMI Ethernet Channel Adds high speed networking to an HDMI link allowing users to take full advantage of their IP enabled devices without a separate Ethernet cable Audio Return Channel Allows an HDMI connected TV with a built in tuner to send audio data upstream to a surround audio system eliminating the need for a separate audio cable 3D Defines input output protocols for major 3D v...

Page 10: ... Color System board 6 32xL6 35 6 Black Power Supply Unit 6 32xL6 35 3 3 5 inch hard drive chassis 6 32xL6 35 2 Drive cage 6 32xL6 35 1 Cover 6 32xL6 35 2 IO bracket 6 32xL6 35 1 3 5 inch hard drive to 3 5 hard drive bracket 6 32xL3 6 2 Silver 2 5 inch hard drive chassis 6 32xL3 6 1 2 5 inch hard drive to drive bracket M3x3 5 4 Silver Optical drive to optical drive bracket M2x2 3 Black WLAN card M2...

Page 11: ... X16 Connector SLOT2 11 PCI e X1 Connector SLOT1 12 M 2 SATA Connector for SSD 13 Processor socket 14 CPU Power Connector ATX_CPU 15 CPU Fan Connector FAN_CPU 16 Memory module slots DIMM1 DIMM2 Cover Removing the cover 1 Follow the procedure in Before working inside your computer 2 Follow the steps to remove the cover a Remove the two 6 32xL6 35 screws that secure the cover to the computer 1 b Sli...

Page 12: ...c Lift and remove the cover from the computer 12 Removing and installing components ...

Page 13: ...crews to secure the cover 2 3 Follow the procedures in After Working Inside Your Computer Front Bezel Removing the front bezel 1 Follow the procedure in Before working inside your computer 2 Remove cover 3 Follow the steps to remove the front bezel a Pull the tabs to remove the front bezel Removing and installing components 13 ...

Page 14: ...b Rotate the front bezel away from the computer 1 and pull to release the tabs on the front bezel from the front panel slots 2 14 Removing and installing components ...

Page 15: ...g the front bezel 1 Hold the bezel and ensure that the hooks on the tabs snap into the notches on the computer 1 2 Rotate the front bezel toward the front of the computer 2 Removing and installing components 15 ...

Page 16: ...3 Press the front bezel until the tabs snap in 16 Removing and installing components ...

Page 17: ...ry removal but recommended for easier access to the cables 1 Follow the procedure in Before working inside your computer 2 Remove the cover 3 Follow the steps to remove the heat sink fan cover a Pry the plastic notches that secure the fan cover in an outward direction 1 b Remove the fan cover from the heat sink assembly 2 Removing and installing components 17 ...

Page 18: ...n the tabs on the cooling shroud with the securing slots on the computer 2 Lower the cooling shroud into the chassis until the notches secure with a click sound and the cooling shroud is firmly seated 18 Removing and installing components ...

Page 19: ... 4 Follow the procedure in After Working Inside Your Computer Expansion card Removing the PCIe X1 expansion card optional 1 Follow the procedure in Before working inside your computer 2 Remove the cover 3 Perform the following steps to remove the expansion card a Pull the metal tab to release the expansion card Removing and installing components 19 ...

Page 20: ...b Remove the expansion card from the slot on the computer 20 Removing and installing components ...

Page 21: ...Installing the PCIe X1 expansion card optional 1 Insert the expansion card on the slot Removing and installing components 21 ...

Page 22: ...2 Push the metal tab until it snaps in place 22 Removing and installing components ...

Page 23: ...ter Removing the PCIe X16 expansion card optional 1 Follow the procedure in Before working inside your computer 2 Remove the cover 3 Perform the following steps to remove the expansion card a Pull the metal tab to release the expansion card Removing and installing components 23 ...

Page 24: ...b Pull the card retention tab 1 and remove the expansion card from the slot on the computer 2 24 Removing and installing components ...

Page 25: ...Installing the PCIe X16 expansion card optional 1 Insert the expansion card on the slot 1 2 Push the card retention latch to secure the expansion card 2 Removing and installing components 25 ...

Page 26: ...3 Push the metal tab until it snaps in place 26 Removing and installing components ...

Page 27: ...4 Install the cover 5 Follow the procedure in After Working Inside Your Computer Installing PCIe expansion card in slot 1 optional 1 Pull the release latch to open Removing and installing components 27 ...

Page 28: ...move the PCIe bracket as shown below insert a flathead screwdriver in the hole of PCIe bracket 1 and repeatedly spin screwdriver from 0 45 degrees to release the bracket 2 28 Removing and installing components ...

Page 29: ...3 Insert the PCIe expansion card to the connector on the system board Removing and installing components 29 ...

Page 30: ...Removing the 3 5 inch hard drive chassis 1 Follow the procedure in Before working inside your computer 2 Remove the a cover b front bezel 3 Disconnect the power and the data cables from the hard drive 1 4 Remove the two 6 32xL6 35 screws that secure the 3 5 inch hard drive chassis to the drive bay 2 30 Removing and installing components ...

Page 31: ...5 Slide the 3 5 inch hard drive chassis and lift it from the system Removing and installing components 31 ...

Page 32: ...Installing the 3 5 inch hard drive chassis 1 Slide the 3 5 inch hard drive chassis into the drive bay 32 Removing and installing components ...

Page 33: ...2 Replace the two 6 32xL3 5 screws to secure the 3 5 inch hard drive chassis to the computer 1 3 Connect the data and power cables to the hard drive 2 Removing and installing components 33 ...

Page 34: ... 3 5 inch hard drive from the hard drive bracket 1 Follow the procedures in Before Working Inside Your Computer 2 Remove a cover b front bezel c 3 5 inch hard drive chassis 3 Follow the steps to remove hard drive a Remove the two 6 32xL3 6 screws that secure the hard drive to the bracket 1 34 Removing and installing components ...

Page 35: ...drive bracket 1 Slide the hard drive into the hard drive bracket 1 2 Replace the two 6 32xL3 6 screws to secure the hard drive to the bracket 2 3 Install a 3 5 inch hard drive chassis b front bezel c cover 4 Follow the procedure in After Working Inside Your Computer Removing and installing components 35 ...

Page 36: ...eps to release the drive cage a Remove the 6 32xL6 35 screw that secures the drive cage to the drive bay 1 b Press the blue tab to release the drive cage 2 c Slide the drive cage from the computer 3 4 Follow the steps to remove the drive cage a Disconnect the power and the data cables from the optical drive 1 b Lift the optical drive cage from the system 2 36 Removing and installing components ...

Page 37: ...Installing the drive cage 1 Place the drive cage in the chassis 1 and connect the data and power cables to the optical drive 2 Removing and installing components 37 ...

Page 38: ...2 Insert the drive cage into the slot until it clicks into place 1 3 Replace the 6 32xL6 35 screw to secure the drive cage to the chassis 2 38 Removing and installing components ...

Page 39: ...racket 1 Follow the procedure in Before working inside your computer 2 Remove the a cover b front bezel c cooling shroud d 3 5 inch hard drive chassis e drive cage 3 Follow the steps to remove the bracket from the optical drive a Remove the three M2x2 screws that secure the bracket to the optical drive 1 b Slide the optical drive from the bracket 2 Removing and installing components 39 ...

Page 40: ...il it snaps 1 2 Tighten the three M2x2 screws to secure the optical drive to the bracket 2 3 Install the a drive cage b 3 5 inch hard drive chassis c cooling shroud d front bezel e cover 4 Follow the procedures in After working inside your computer 40 Removing and installing components ...

Page 41: ... remove the M 2 SATA SSD a Pull the blue tab that secures the M 2 SATA SSD to the system board 1 b Slide out the M 2 SATA SSD from the connector on the system board 2 Installing M 2 SATA SSD 1 Insert the M 2 SATA SSD to the connector 1 2 Press the blue tab to secure the M 2 SATA SSD 2 Removing and installing components 41 ...

Page 42: ...Before working inside your computer 2 Remove the a cover b front bezel c cooling shroud d 3 5 inch hard drive chassis e optical drive 3 Perform the following steps to remove the WLAN card from the computer a Remove the M2L3 5 screw to release the plastic tab that secures the WLAN card to the computer 1 2 42 Removing and installing components ...

Page 43: ...r on the system board 4 Installing the WLAN card 1 Insert the WLAN card to the connector on the system board 1 2 Connect the WLAN cables to the connectors on the WLAN card 2 3 Place the plastic tab and tighten the M2x3 5 screw to secure the WLAN card to the system board 3 Removing and installing components 43 ...

Page 44: ...Follow the procedure in After Working Inside Your Computer Heat sink assembly Removing the heat sink assembly 1 Follow the procedure in Before working inside your computer 2 Remove the a cover b cooling shroud 3 Follow the steps to remove the heat sink assembly 44 Removing and installing components ...

Page 45: ... heat sink assembly cable from the system board b Remove the screws securing the heatsink assembly in a sequential order 1 2 3 4 c Lift the heat sink and remove it from the chassis Removing and installing components 45 ...

Page 46: ...ssembly 1 Place the heat sink assembly in the slot by aligning with the screw holders 2 Tighten the screws in a sequential order to secure the heat sink assembly to the system board 1 2 3 4 46 Removing and installing components ...

Page 47: ...3 Connect the heat sink assembly cable to the connector on the system board Removing and installing components 47 ...

Page 48: ...he procedure in Before working inside your computer 2 Remove the a cover b front bezel c 3 5 inch hard drive chassis d drive cage e Cooling shroud 3 To remove the front memory module a Pull the clips securing the memory module until the memory module pops up 1 b Remove the memory module from the system board 2 48 Removing and installing components ...

Page 49: ...Installing the memory module 1 Insert the memory module into the memory module socket until the clips secure the memory module Removing and installing components 49 ...

Page 50: ...ront bezel e cover 3 Follow the procedure in After working inside your computer Power switch Removing power switch 1 Follow the procedure in Before working inside your computer 2 Remove the a cover b front bezel c 3 5 inch hard drive chassis 50 Removing and installing components ...

Page 51: ...rew that secures the IO bracket 1 to the chassis and open the IO bracket 2 b Disconnect the power switch cable from the connector on the system board 1 c Press the power switch retention tabs 2 and pull the power switch out from the computer 3 Removing and installing components 51 ...

Page 52: ...e power switch 1 Slide the power switch module into the slot on the chassis until it clicks into place 1 2 Connect the power switch cable to the connector on the system board 2 52 Removing and installing components ...

Page 53: ...3 Push the IO bracket until it secures to the chassis 1 4 Replace the 6 32xL6 35 screw to secure the IO bracket to the system 2 Removing and installing components 53 ...

Page 54: ...ollow the procedure in Before working inside your computer 2 Remove the a cover b front bezel c cooling shroud d 3 5 inch hard drive chassis e drive cage 3 Perform the following steps to remove the power supply unit PSU from the computer a Disconnect the PSU cables from the connectors on the system board 1 3 b Unroute the PSU cables from the metal clips 2 4 54 Removing and installing components ...

Page 55: ...4 Perform the following steps to remove the PSU a Remove the three 6 32xL6 35 screws that secure the PSU 1 b Press the blue release tab to release the PSU 2 Removing and installing components 55 ...

Page 56: ...c Slide and lift the PSU from the computer 56 Removing and installing components ...

Page 57: ...Installing the power supply unit PSU 1 Slide the PSU towards the back of the computer until it snaps into place Removing and installing components 57 ...

Page 58: ...2 Replace the three 6 32xL6 35 screws to secure the power supply unit to the computer 58 Removing and installing components ...

Page 59: ...3 Route the PSU cables through the placeholder 4 Connect the PSU cables to their connectors on the system board Removing and installing components 59 ...

Page 60: ...king Inside Your Computer Coin cell battery Removing the coin cell battery 1 Follow the procedures in Before working inside your computer 2 Remove the a cover b front bezel c cooling shroud d 3 5 inch hard drive chassis e drive cage 3 Perform the following steps to remove the coin cell battery 60 Removing and installing components ...

Page 61: ...finger so that the battery pops up from the socket 1 b Lift the coin cell battery out of the computer 2 Installing the coin cell battery 1 Place the coin cell battery in its slot on the system board 1 and press until it snaps in place 2 Removing and installing components 61 ...

Page 62: ... d front bezel e cover 3 Follow the procedures in After Working Inside Your Computer Processor Removing the processor 1 Follow the procedure in Before working inside your computer 2 Remove the a cover b cooling shroud c heatsink assembly 62 Removing and installing components ...

Page 63: ... b Lift the processor cover 2 remove the processor from the socket and place it in an antistatic bag 3 Installing the processor 1 Insert the processor in the processor socket Ensure the processor is properly seated 1 CAUTION Do not use force to seat the processor When the processor is positioned correctly it engages easily into the socket 2 Lower the processor cover 2 3 Press the release lever dow...

Page 64: ...cedure in After working inside your computer System board Removing the system board 1 Follow the procedure in Before working inside your computer 2 Remove the a cover b front bezel c 3 5 inch hard drive chassis d drive cage e memory module 64 Removing and installing components ...

Page 65: ...cket a Remove the 6 32xL6 35 screw that secures the IO bracket to the chassis 1 b Pull the IO bracket to open the IO bracket 2 4 Disconnect the following cables from the system board ODD SATA cable and PSU cable 1 HDD SATA cable and HDD ODD power cable 2 power switch cable 3 and PSU cable 4 Removing and installing components 65 ...

Page 66: ...5 Follow the steps to remove the system board a Remove the six 6 32xL6 35 screws that secure system board to the chassis 66 Removing and installing components ...

Page 67: ...b Pull the system board towards the front of the system Removing and installing components 67 ...

Page 68: ...c Lift the system board from the chassis 68 Removing and installing components ...

Page 69: ...em board 1 Insert the system board and ensure that ports are aligned to the holes on the back panel NOTE Make sure to open the IO bracket before placing the system board in the system Removing and installing components 69 ...

Page 70: ...2 Push the system board towards the rear side of the system 70 Removing and installing components ...

Page 71: ...3 Replace the six 6 32xL6 35 screws to secure the system board Removing and installing components 71 ...

Page 72: ...4 Connect the following cables to the system board PSU cable 1 power switch cable 2 HDD SATA cable and HDD ODD power cable 3 ODD SATA cable and PSU cable 4 72 Removing and installing components ...

Page 73: ...5 Close the IO bracket 1 and replace the 6 32xL6 35 screw to secure the IO bracket to the chassis 2 Removing and installing components 73 ...

Page 74: ...card c expansion card optional d M 2 SATA SSD e drive cage f 3 5 inch hard drive chassis g cooling shroud h memory module i front bezel j cover 7 Follow the procedures in After Working Inside Your Computer 74 Removing and installing components ...

Page 75: ...voke diagnostics boot by either of the methods suggested above 2 Once on one time boot menu use up down arrow key to navigate to ePSA or diagnostics and press return key to launch 1 Fn PWR will flash diagnostics boot selected on screen and launch ePSA diagnostics directly 3 On the boot menu screen select the Diagnostics option 4 Press the arrow in the lower right corner to go to the page listing T...

Page 76: ...f necessary replace them DISK C FAILED INITIALIZATION The hard drive failed initialization Run the hard drive tests in Dell Diagnostics DRIVE NOT READY The operation requires a hard drive in the bay before it can continue Install a hard drive in the hard drive bay ERROR READING PCMCIA CARD The computer cannot identify the ExpressCard Reinsert the card or try another card EXTENDED MEMORY SIZE HAS C...

Page 77: ...drive Insert bootable media INVALID CONFIGURATION INFORMATION PLEASE RUN SYSTEM SETUP PROGRAM The system configuration information does not match the hardware configuration The message is most likely to occur after a memory module is installed Correct the appropriate options in the system setup program KEYBOARD CLOCK LINE FAILURE For external keyboards check the cable connection Run the Keyboard C...

Page 78: ...dows error checking utility to check the file structure on the hard drive See Windows Help and Support for instructions click Start Help and Support If a large number of sectors are defective back up the data if possible and then format the hard drive SEEK ERROR The operating system cannot find a specific track on the hard drive SHUTDOWN FAILURE A chip on the system board may be malfunctioning Run...

Page 79: ... the cable does not solve the problem replace the keyboard No boot device available No bootable partition on hard disk drive the hard disk drive cable is loose or no bootable device exists If the hard drive is your boot device ensure that the cables are connected and that the drive is installed properly and partitioned as a boot device Enter system setup and ensure that the boot sequence informati...

Page 80: ...port and service options Availability varies by country and product and some services may not be available in your area To contact Dell for sales technical support or customer service issues 1 Go to Dell com support 2 Select your support category 3 Verify your country or region in the Choose a Country Region drop down list at the bottom of the page 4 Select the appropriate service or support link ...

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