Sony VAIO PCG-V505 Series Training Manual
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Sony VAIO PCG-V505 Series Training Manual

Sony VAIO PCG-V505 Series Training Manual

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Training Manual
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PCG-V505 Series
Troubleshooting and Disassembly
Course: PC-03A

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Summary of Contents for Sony VAIO PCG-V505 Series

  • Page 1 Training Manual VAIO Notebook PCG-V505 Series Troubleshooting and Disassembly Course: PC-03A...

  • Page 2: Table Of Contents

    Table of Contents PC-03A - Introduction ........................1 Chapter 1 - PCG-V505 Series Troubleshooting ..............2 Overview ...........................2 Warranty Policies and Procedures ...................2 Startup Problems ......................3 No Power ............................3 Failure to Complete POST Sequence .....................5 Operating System Malfunctions ..................7 Operating System Will Not Load: ....................7 System Recovery ..........................8 Display Problems ......................9 No Video ............................9...

  • Page 3: Pc-03A - Introduction

    PC-03A - Introduction This course is designed to aid the technician in servicing the Sony PCGV505 series notebook computers. Although there are several versions of this model, including those built for different countries, the troubleshooting and disassembly procedures remain relatively the same. The product used for reference is a PCG-V505DX.

  • Page 4: Chapter 1 - Pcg-V505 Series Troubleshooting

    LCD panel and exposing the keyboard. It is located on the right side, on the LCD panel or the hinge cover. Figure 1-1 illustrates the locations of these numbers. Visit the Sony ESI site mentioned above for the latest information regarding warranty policies and procedures.

  • Page 5: Startup Problems

    1. PCG-V505 Series Troubleshooting NOT CORRECT MODEL NUMBER 8 DIGIT 7 DIGIT PRODUCT SERIAL CODE NUMBER CORRECT MODEL NUMBER VIEWED WHEN LCD PANEL OPEN FIGURE 1-1 - DATA REQUIRED FOR WARRANTY CLAIM Startup Problems Failure of the computer to boot up to full operating condition can be caused by hardware, firmware, or software failures.
  • Page 6 1. PCG-V505 Series Troubleshooting motherboard. Even if a new AC adapter is used, the UL Protect circuit will remain latched. In order to release the latch, the AC adapter, main battery, and backup battery must be removed to allow the CMOS to reset. Wait about 10 seconds before re-applying any power.

  • Page 7: Failure To Complete Post Sequence

    This number will contain a B prefix instead of an A prefix like most Sony boards. A motherboard with a B prefix will contain the necessary DMI information for that model. NOTE: Based on previous repair history, motherboards tend to have a low failure rate.
  • Page 8 1. PCG-V505 Series Troubleshooting PCG-V505 SERIES POST FAILURE SWAP RAM MODULES TO TEST FOR DEFECTIVE SOCKET. REPLACE MOTHERBOARD IF REMOVE RAM REPLACE SOCKET DEFECTIVE MODULES ONE AT A DEFECTIVE RAM TIME. MODULE * POST OK? DISCONNECT REPLACE OPTICAL DISC DRIVE. OPTICAL DRIVE POST OK? DISCONNECT...

  • Page 9: Operating System Malfunctions

    The procedures to follow are very basic and laid out to quickly bring the system to proper working order. Unlike off-the-shelf versions of the operating system, the OS loaded on Sony computers is customized and placed onto a recovery disc. This disc does not have the utilities to fix corrupted files in the OS without destroying data files.

  • Page 10: System Recovery

    1. PCG-V505 Series Troubleshooting In some cases, the computer may not be able to load the operating system without a startup disc even after the Restore utility is run. This indicates a problem with the hard drive boot sector. Re-imaging the drive is now necessary to see if the problem can be resolved but it is usually caused by a defective hard drive.

  • Page 11: Display Problems

    There are no jumper connectors. The only way to reset the password if the customer has forgotten it is to send the unit to Sony. The password can only be reset with a proprietary utility program and there are no plans to release this to the general customer or service population.

  • Page 12: Video Distortion

    Additional Troubleshooting Information A knowledge base is maintained on the Sony ESI Website (http://service.sel.sony.com/) to provide up to date information on tips and service bulletins. The model you are servicing should always be looked up to view any possible sources to assist in repairing the unit.

  • Page 13: Chapter 2 - Pcg-V505 Series Disassembly

    Chapter 2 - PCG-V505 Series Disassembly Preparation Disassembling a notebook computer requires certain precautions be taken to avoid damage to components. Many screws of varying sizes are used. If the wrong screw is installed, damage to a circuit board or the mounting components can occur.

  • Page 14: Hard Drive

    2. PCG-V505 Series Disassembly 8 screws (B3) and 3 screws (B8) and place them into an appropriate organizing bin. Remove the large access panel to expose the hard drive and cooling fan. Note the keyboard retaining screw labeled in the diagram. If only the keyboard needs to be removed, this is the only screw you will have to remove.
  • Page 15 2. PCG-V505 Series Disassembly REMOVE 2 SCREWS (B3) EARLIER MODELS (B16) LATER MODELS UNPLUG HD CONNECTOR REMOVE 3 SCREWS (B3) FIGURE 2-2 - HARD DRIVE REMOVAL...

  • Page 16: Keyboard

    2. PCG-V505 Series Disassembly Keyboard There are 2 release tabs located on the upper left and right side of the keyboard. The left tab is to the right of the backspace key and the right tab is to the left of the bottom corner of the ESC key. Carefully press the release tabs as shown in Figure 2-3 using a non-metallic device with a flat blade to avoid scratches and nicks to the palm rest cover.

  • Page 17: Front Screw Cover And Retaining Screw

    2. PCG-V505 Series Disassembly Front Screw Cover and Retaining Screw Carefully peel off the screw cover located at the front right corner of the unit as shown in Figure 2-4. Remove the screw (B12). REMOVE SCREW COVER AND SCREW (B12) FIGURE 2-4 - SCREW COVER AND REATINING SCREW Palm-Rest Removal Step 1: Referring to Figure 2-5, carefully (to avoid tearing the FPC cable) remove the cloth tape located over the...
  • Page 18 2. PCG-V505 Series Disassembly Step 2: Grasp the notebook with both hands as shown in Figure 2-6. Using your middle fingers, press on the inside walls of the battery compartment to release the retaining latches. Once the latches release, do not attempt to lift the palm-rest assembly completely off.

  • Page 19: Peripheral Hardware Removal

    2. PCG-V505 Series Disassembly Step 3: Press the PC card release knob inward while lifting the rear of the palm-rest just enough to clear the knob as shown in Figure 2-7. While holding rear up slightly, pull the palm-rest towards you to release the front locking claws.

  • Page 20: Wireless Lan

    2. PCG-V505 Series Disassembly PLACE FINGER HERE AND PUSH OPTICAL ASSEMBLY OUT FIGURE 2-8 - OPTICAL DISC DRIVE ASSEMBLY Wireless LAN Step 1: Lift one side of each of the 5 pieces of cloth tape securing the two wireless LAN antenna cables as shown in Figure 2-9.
  • Page 21 2. PCG-V505 Series Disassembly LIFT 5 PIECES OF CLOTH TAPE NOTE: IF MOTHERBOARD IS TO BE REPACED, REMOVE TAPE COMPLETELY REMOVE COPPER TAPE NOTE: SOME UNITS MAY ONLY HAVE 4 PIECES OF TAPE, DEPENDING ON WIRELESS LAN DESIGN FIGURE 2-9 - WIRLELESS LAN REMOVAL (step 1) SPREAD LOCKING TABS UNPLUG ANTENNA CONNECTORS FIGURE 2-10 - WIRELESS LAN REMOVAL (step 2)

  • Page 22: Lcd Panel

    2. PCG-V505 Series Disassembly FIGURE 2-11 - PROPER DRESSING OF LAN AND LCD CABLES LCD Panel Step 1: Unplug the LCD harness from the motherboard as shown in Figure 2-12. Pull the cable out from the retaining clips and dress aside. REMOVE LCD HARNESS FROM RETAINERS AND UNPLUG CONNECTOR...
  • Page 23 2. PCG-V505 Series Disassembly Step 2: Remove the 4 screws (B3) securing the ground cable at the LCD hinge and the plastic and metal brackets as shown in Figure 2-13. Lift the plastic bracket out first (the one that secured the LCD harness) and then the metal bracket.

  • Page 24: Pc Card Slot And Shield

    2. PCG-V505 Series Disassembly PC Card Slot and Shield The PC card slot assembly is shown in Figure 2-15. Unlock the connector securing the FPC cable. Remove the 3 screws (B1) and lift the assembly out. The shield and PC card slot will now be separated and should be set aside together.
  • Page 25 2. PCG-V505 Series Disassembly PULL RJ45 AND RJ11 JACKS OUT REMOVE 4 SCEWS (B1) REMOVE 2 FLEX PEEL OFF CLOTH TAPE CABLES AND REMOVE FLEX CABLE FIGURE 2-16 - MOTHER BOARD REMOVAL FIGURE 2-17 - MOTHER BOARD REMOVED FROM CHASSIS...

  • Page 26: Modem

    2. PCG-V505 Series Disassembly Modem Remove the 2 screws (B1) as shown in Figure 2-18. Remove the 2 cloth tape pieces, unplug the modem from the motherboard, and set the unit and cable aside. Note the routing path for the modem cable identified by the silkscreen pattern on the board to proper route the cable during re-installation.

  • Page 27: Cpu Removal

    2. PCG-V505 Series Disassembly REMOVE 4 SCREWS (B8) REMOVE CLOTH TAPE FIGURE 2-19 - CPU HEAT SINK REMOVAL CPU Removal Remove the CPU by turning the lock screw counter-clockwise as shown in Figure 2-20. The CPU should slide backward slightly and is easily lifted out. Be careful not to touch the pins of the CPU while it is out of its socket. ALWAYS REPLACE HEAT TRANSFER TURN SCREW CCW...

  • Page 28: Power Supply Heat Sink And Backup Battery

    2. PCG-V505 Series Disassembly Power Supply Heat Sink and Backup Battery Referring to Figure 2-21, remove the backup battery by unplugging its connector. Remove the 3 screws (B1) securing the heat sink to the power supply. Lift the heat sink and pull the corner hook from the retainer slot. Make sure the heat transfer pad is still attached to the heat sink.

  • Page 29: Cooling Fan

    2. PCG-V505 Series Disassembly Cooling Fan Remove the spacer nut (72) on the bottom side of the motherboard securing the fan. Flip the motherboard over. Remove one screw (B1) and unplug the fan connector. Lift the fan out and set aside. This is illustrated in Figure 2-23.

  • Page 30: Mbx And Cpu Brackets

    2. PCG-V505 Series Disassembly MBX and CPU Brackets As shown in Figure 2-24, remove one screw (B1) and lift off the MBX bracket. Remove one spacer nut (72) and screw (B1). The CPU bracket is removed from the other side of the board. REMOVE SCREW (B1) MBX BRACKET REMOVE SPACER NUT (72)
  • Page 31 2. PCG-V505 Series Disassembly Replacing the LCD Panel If the LCD panel requires replacement, it must be removed from its housing. The following steps illustrate this procedure. Step 1: Remove the rubber screw covers at each corner as shown in Figure 2-25. Remove the 4 screws (B15). Unsnap the bezel retainers by lifting up the inside edges of the bezel and pushing outward slightly.
  • Page 32 2. PCG-V505 Series Disassembly Step 2: Referring to Figure 2-26, remove the 2 antenna cable cushions on the left side. Remove the cloth tape as shown and unplug the connectors at each end of the circuit board. Remove the 2 screws (B14) located in the lower left corner securing the ground wire and hinge cover.
  • Page 33 2. PCG-V505 Series Disassembly Step 3: Lift the hinge cover and move the wireless LAN antenna cables from under the hinge bracket as illustrated in Figure 2-27. The panel can now be lifted out. REMOVE HINGE COVER AND PULL ANTENNA CABLES FROM UNDER HINGE BRACKET HINGE COVER...
  • Page 34 Sony Electronics 2004 Sony Electornics Inc. EMCSA - A Service Company PDP010304 3/18/04 1 Sony Drive Park Ridge, New Jersey 07656 Reproduction in whole or part without written permission is prohibited. All rights reserved...

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