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LCD symptoms

                             

49

LCD symptoms

Touch screen symptoms

S

YMPTOM

C

ORRECTIVE

 P

ROCEDURE

LCD backlight is not working but text is 
still visible onscreen

1

Reseat the LCD cable.

2

Reseat the inverter cables.

3

Replace the inverter cables.

4

Replace the inverter.

LCD backlight is working but text is not 
visible onscreen

1

Reseat the LCD cable.

2

Reseat the inverter cables.

3

Replace the LCD.

LCD screen is garbled

Characters are missing pixels

Screen is distorted

Screen displays wrong color

Screen displays extra vertical/horizontal 
lines 

1

Reseat the LCD cable.

2

Replace the inverter cables.

3

Replace the LCD panel.

4

Replace the motherboard.

S

YMPTOM

C

ORRECTIVE

 P

ROCEDURE

Touchscreen does not function

No virtual mouse

Cursor doesn’t follow when touching the 
screen

1

Install and run the touchscreen calibration program from 
the Touchkit driver CD.

2

Remove and reinstall the USB driver.

3

Reseat the panel cable.

4

Reseat the touchscreen board-to-touch panel cable.

5

Replace the touch control board.

6

Replace the touch panel.

Содержание PT-5700

Страница 1: ...PT 5700 Service Manual...

Страница 2: ......

Страница 3: ...limits are designed to provide reasonable protection against harmful interference in a residential installation This equipment generates uses and can radiate radio frequency energy and if not installe...

Страница 4: ...nd illustrations to iden tify components Chapter 2 BIOS Setup Utility The BIOS chapter provides information on navi gating and changing settings in the BIOS Setup Utility Chapter 3 Installing Drivers...

Страница 5: ...ures 13 DRAM Clock Drive Control 14 AGP P2P Bridge Control 17 CPU PCI Bus Control 17 Integrated Peripherals 19 VIA OnChip IDE Device 21 VIA OnChip PCI Device 22 SuperIO Device 23 Power Management Setu...

Страница 6: ...2 Setting a jumper 52 Motherboard jumpers and connectors 53 Chapter 5 Replacing Field Replaceable Units FRUs 55 Safety and precautions 55 Before you begin 56 Replacing Parts 56 Rear base cover 57 Fron...

Страница 7: ...PCI Bus Control menu 18 Figure 2 8 Integrated Peripherals menu 19 Figure 2 9 VIA OnChip IDE Device menu 21 Figure 2 10 VIA OnChip PCI Device menu 22 Figure 2 11 Super I O Device menu 23 Figure 2 12 P...

Страница 8: ...vi...

Страница 9: ...e 2 Removing the rear cover on page 5 Unpacking and listing the PT 5700 contents If the PT 5700 is returned for servicing in its original packing save the packing materials for return to the customer...

Страница 10: ...ifying components This section describes the parts and connectors on the PT 5700 Front right view Figure 1 2 Front right view of PT 5700 DESCRIPTION 1 15 inch TFT LCD touch screen 2 Power LED 3 Power...

Страница 11: ...Identifying components 3 Rear right view Figure 1 3 Rear right view of PT 5700 DESCRIPTION 1 Customer display cover 2 Magnetic card reader cover 3 Rear cover 4 Rear cover latches 4 3 2 1...

Страница 12: ...Connectors with cables disconnected DESCRIPTION 1 RJ 45 connector 2 PS 2 mouse connector 3 COM 3 connector 4 Parallel connector 5 COM 2 connector 6 Green act LED 7 Orange link LED 8 Power connector 9...

Страница 13: ...g the rear cover Refer to the following to remove the rear cover NOTE 1 There are two more USB connectors on the front of the PT 5700 1 Rotate the display until it s perpendicular 2 Open the rear cove...

Страница 14: ...6 Getting Started...

Страница 15: ...PCI Configurations on page 28 PC Health Status on page 30 Frequency Voltage Control on page 31 Other BIOS Options on page 32 About the Setup Utility The BIOS Setup Utility enables you to configure th...

Страница 16: ...d BIOS Setup Utility Figure 2 1 Main BIOS menu BIOS navigation keys The BIOS navigation keys are listed below KEY FUNCTION Scrolls through the items on a menu PU PD Modifies the selected field s value...

Страница 17: ...a triangle lead to submenus that enable you to change the values for the option Use the cursor arrow keys to scroll through the items in the submenu Standard CMOS features Selecting Standard CMOS Feat...

Страница 18: ...t are in the same location on every disk surface Head displays the number of heads in the HDD A head is a device that reads and writes data on the hard disk Precomp displays the track where precompens...

Страница 19: ...Power On Self Test routine You can use this item to select which types of errors in the POST are sufficient to halt the system Base Memory Extended Memory and Total Memory These items are automatical...

Страница 20: ...1 and level 2 L2 cache memory to improve performance Leave this item at the default setting for better performance The default setting is Enabled CPU L2 Cache ECC Checking This item enables or disable...

Страница 21: ...O S 1 4 OS Select For DRAM 64 MB This item is only required if you have installed more than 64 MB of memory and you are running the OS 2 operating system Otherwise leave this item at the default The...

Страница 22: ...tems at the default value The default setting is Enabled Video RAM Cacheable These items allow the video RAM to be cached in memory for faster execution We recommend that you leave these items at the...

Страница 23: ...ng refreshed The default is Disabled Precharge to Active Trp This item is used to designate the minimum Row Precharge time of the SDRAM devices on the module DRAM must continually be refreshed or it w...

Страница 24: ...16 BIOS Setup Utility RDSAIT selection Set RDSAIT to 03 Default value 03 Press Esc to return to the Advanced Chipset Features menu...

Страница 25: ...um that you can assign to VGA is 64 MB The default setting is 16 MB Select Display Device If you connect an external display to the PT 5700 you can use this setting to turn off LCD and only use the ex...

Страница 26: ...pliance with PCI specification version 2 1 The default setting is Enabled VLink mode selection This menu item controls the data transfer speed between the north and south bridge By Auto VLink mode sel...

Страница 27: ...t MSR setting Onboard Serial Port 3 This option is used to assign the I O address for the onboard serial port 3 COM3 which is used for the rear customer display The default setting is 3E8 Serial Port...

Страница 28: ...ault setting for COM4 is None Onboard Serial Port 5 This option is used to assign the I O address for the onboard serial port 5 COM5 The default setting is 4F8 Serial Port 5 Use IRQ This option is use...

Страница 29: ...t Default value Disabled Disable onboard 1st channel IDE port OnChip IDE Channel1 Enabled Enable onboard 2nd channel IDE port Default value Disabled Disable onboard 2nd channel IDE port IDE Prefetch M...

Страница 30: ...bled Press Esc to return to the Integrated Peripherals menu VIA OnChip PCI Device Use this item to enable or disable the PCI devices that are integrated on the mainboard Select the item and press Ente...

Страница 31: ...item and press Enter to open the following menu Figure 2 11 Super I O Device menu Onboard Serial Port 1 This option is used to assign the I O address and IRQ for the onboard serial port 1 COM1 The de...

Страница 32: ...both data input and output ECP and EPP modes are only supported with EPP and ECP aware peripherals PntMode allows the parallel port to operate in bipoloar mode ECP Mode Use DMA When the onboard paral...

Страница 33: ...if the video is powered down when the system is put into suspend mode The default setting is Sus pend Off Video Off Method This item defines how the video is powered down to save power The default set...

Страница 34: ...from the power saving mode to an active state Disabled Disabled this function Default value Ctrl F1 Ctrl F12 Set PS 2 keyboard wakeup from S4 S5 to Ctrl F1 Ctrl F12 Power Press power key to wake PS 2...

Страница 35: ...the system from a suspended state to an active state Disabled Disable this function Default value Enabled Enable modem ring resume RTC Alarm Resume When set to Enabled the following two fields become...

Страница 36: ...figurations This option configures how PnP Plug and Play and PCI expansion cards operate in the system Both the ISA and PCI buses on the mainboard use system IRQs Interrupt ReQuests and DMAs Direct Me...

Страница 37: ...lem by changing this item to Manual and then opening up the IRQ Resources sub menu IRQ Resources This menu can only be accessed when the Resources Controlled by menu is set to Manual In the IRQ Resour...

Страница 38: ...On mainboards that support hardware monitoring this item lets you monitor the parameters for critical voltages and critical temperatures These fields are display only Figure 2 16 PC Health Status men...

Страница 39: ...the CPU clock runs relative to the bus speed Auto Detect DIMM PCI Clk When enabled BIOS disables the clock signal of unpopulated PCI slots reducing power consumption The default set ting is Enabled S...

Страница 40: ...stem working properly again If you only want to load fail safe defaults for a specific option select and display that option and then press F6 Load Optimized Defaults Option This option opens a dialog...

Страница 41: ...prompted to confirm the password 5 Type the password again and press Enter or press Enter if you are deleting a password that is already installed Write the passwords down and keep them in a safe pla...

Страница 42: ...34 BIOS Setup Utility...

Страница 43: ...39 LAN driver on page 41 Touch screen driver on page 43 Driver auto installation Use an external CD ROM drive to install the drivers or copy the drivers to a USB flash drive and then to the PT 5700 W...

Страница 44: ...ing Windows 2000 XP INF files so that the VIA Chipset is configured cor rectly Refer to the following to install the utility 1 Browse to the PT5X00 CHIPSET folder 2 Double click SETUP exe The followin...

Страница 45: ...Chipset driver 37 5 Click Next to continue 6 Select Yes I want to restart my computer now and then click Finish...

Страница 46: ...rver2003 Refer to the following to install the drivers 1 Browse to the PT5X00 VGA W2K XP CN700_220001c_wIShld_logod wIShld folder 2 Double click setup exe The following screen appears 3 The program wi...

Страница 47: ...llowing to install the VIA Vinyl Audio Driver 1 Browse to the PT5X00 AUDIO A1u680b folder 2 Double click SETUP exe The following screen appears 3 Select Install Update and then click Next to continue...

Страница 48: ...40 Installing Drivers and Software 5 Click Next to continue 6 Click Next to continue...

Страница 49: ...t my computer now and then click Finish LAN driver Refer to the following to install the LAN driver 1 Browse to the PT5X00 LAN PCI_InstallShield_5649_060821 folder 2 Double click setup exe The followi...

Страница 50: ...42 Installing Drivers and Software 4 Click Install to continue 5 Click Finish...

Страница 51: ...ing to install the touch screen driver 1 Browse to the PT5X00 Touchkit Win2000_XP_4 3 7 3321 folder 2 Double click Setup exe The following screen appears 3 Click Next to continue 4 Uncheck the box for...

Страница 52: ...44 Installing Drivers and Software 5 Check the box for None and then click Next to continue 6 Click OK to continue 7 Uncheck the box for Support Mulit Monitor System and then click Next to continue...

Страница 53: ...Touch screen driver 45 8 Click Next to continue 9 Click Next to continue...

Страница 54: ...46 Installing Drivers and Software 10 Click Yes to do 4 point calibration 11 Use your finger to touch the blinking X Symbol on the screen until stop blinking...

Страница 55: ...ms Identify as many symptoms as possible in detail Verify symptoms by recreating them Follow the corrective procedures in order If you replace an FRU and the symptom remains reinstall the original FRU...

Страница 56: ...rn on the PT 5700 Refer to the following to prevent incorrect cash drawer status detection by the system IMPORTANT The cash drawer RJ 11 connector is DC 24V Ensure the cash drawer to be con nected mat...

Страница 57: ...cters are missing pixels Screen is distorted Screen displays wrong color Screen displays extra vertical horizontal lines 1 Reseat the LCD cable 2 Replace the inverter cables 3 Replace the LCD panel 4...

Страница 58: ...urn the system off 1 Hold down the power button for four seconds 2 Replace the I O board 3 Replace the motherboard SYMPTOM CORRECTIVE PROCEDURE Cannot access LAN 1 Confirm that network hub switch if p...

Страница 59: ...ble 2 Reseat the MSR board cable 3 While at a DOS prompt swipe a card through the MSR If no text appears on the screen replace the MSR 4 While at a DOS prompt swipe a card through the MSR If text appe...

Страница 60: ...ing a jumper The mainboard jumpers are to set system configuration options When setting the jumpers be sure the shunts jumper caps are placed on the correct pins SYMPTOM CORRECTIVE PROCEDURE USB ports...

Страница 61: ...therboard jumpers and connectors Refer to the following illustration to locate the jumpers and connectors on the motherboard Figure 4 2 Mainboard jumper settings JUMPER SETTING DESCRIPTION JP1 1 2 clo...

Страница 62: ...54 Locating the Problem...

Страница 63: ...llow these guidelines to avoid damage to the computer or injury to yourself Always disconnect the unit from the power outlet Leave all components inside the static proof packaging that they ship with...

Страница 64: ...be removed before the failing part are listed at the top of the page The arrows in the following procedures show the direction of movement to remove replace a part or to turn a screw or key to release...

Страница 65: ...Replacing Parts 57 Rear base cover 1 Rotate the display until it s perpendicular 2 Open the button locks 3 Remove the rear base cover...

Страница 66: ...placing Field Replaceable Units FRUs Front base cover Before proceeding remove the following FRUs Rear base cover on page 57 1 Tilt the display as shown 2 Pull the sides out and remove the front base...

Страница 67: ...ustomer display 1 Remove the 2 screws M3 x 8 mm black 2 Remove the customer display 3 Disconnect the cable When replacing Align the grooves on the customer display bracket and slide the customer displ...

Страница 68: ...e cover on page 57 HDD Before proceeding remove the following FRUs Rear base cover on page 57 HDD bracket on page 60 1 Remove the quick release screw M3 x 8 x 6 mm silver from the HDD bracket 2 Discon...

Страница 69: ...ing FRUs Rear base cover on page 57 HDD bracket on page 60 1 Disconnect the three cables 2 Remove the 2 screws M3 x 4 mm silver 3 Remove the I O bracket 4 Remove the 10 hexagonal screws M3 x 8 mm silv...

Страница 70: ...efore proceeding remove the following FRUs Rear base cover on page 57 Customer display on page 59 HDD bracket on page 60 1 Remove the screw M3 x 8 mm black 2 Remove the back top cover 3 Position the P...

Страница 71: ...Replacing Parts 63 5 Disconnect the 2 cables 6 Remove the 3 screws M3 x 4 mm silver 7 Remove the MSR...

Страница 72: ...roceeding remove the following FRUs Rear base cover on page 57 Customer display on page 59 HDD bracket on page 60 I O PCB on page 61 1 Rotate the base until it s perpendicular 2 Remove the 2 screws M3...

Страница 73: ...s Rear base cover on page 57 Customer display on page 59 HDD bracket on page 60 I O PCB on page 61 CF card PCB on page 64 1 Remove the 5 screws M3 x 4 mm silver 2 Remove the EMI cover 3 Remove the 3 s...

Страница 74: ...page 57 Customer display on page 59 HDD bracket on page 60 I O PCB on page 61 CF card PCB on page 64 Inverter on page 65 1 Disconnect the cable 2 Remove the screw M3 x 4 mm silver Note Take care not...

Страница 75: ...display on page 59 HDD bracket on page 60 I O PCB on page 61 CF card PCB on page 64 Inverter on page 65 VFD T on page 66 1 Disconnect the 3 cables 2 Disconnect the cable and pass it between the base a...

Страница 76: ...68 Replacing Field Replaceable Units FRUs 5 Remove the 4 screws M3 x 4 mm silver 6 Remove the mainboard...

Страница 77: ...s Rear base cover on page 57 Customer display on page 59 HDD bracket on page 60 I O PCB on page 61 CF card PCB on page 64 Inverter on page 65 VFD T on page 66 Mainboard on page 67 1 Remove the 2 screw...

Страница 78: ...FRUs Rear base cover on page 57 Customer display on page 59 HDD bracket on page 60 I O PCB on page 61 CF card PCB on page 64 Inverter on page 65 VFD T on page 66 Mainboard on page 67 1 Disconnect the...

Страница 79: ...n page 57 Customer display on page 59 HDD bracket on page 60 I O PCB on page 61 CF card PCB on page 64 Inverter on page 65 VFD T on page 66 Mainboard on page 67 Front display cover on page 70 1 Pull t...

Страница 80: ...72 Replacing Field Replaceable Units FRUs 4 Remove the waterproof seal...

Страница 81: ...on page 66 Mainboard on page 67 Front display cover on page 70 1 Disconnect the 3 cables 2 Remove the quick release screw M3 x 8 x 6 mm silver 3 Move the cable clip aside 4 Remove the 5 screws M3 x 4...

Страница 82: ...74 Replacing Field Replaceable Units FRUs 7 Remove the PT 5700 from the LCD 8 Ensure the 3 cables pass through the open ings...

Страница 83: ...PARTS LIST Main parts Figure 6 1 Exploded diagram main parts List of Parts FRUs NO COMPONENT NAME PART NUMBER 1 Front cover 25000500B0139 2 Waterproof seal 25005700B0003 3 Touch panel 2619040300005 4...

Страница 84: ...8 MSR cover 25003500B0127 8B MSR module 770500N000915 8a MSR cover 25000500B0116 8b MSR cover short plate 25000500B0118 8c MSR PCB 700500M010010 8d MSR base 25002500B0131 8e MSR cover long plate 25000...

Страница 85: ...bber feet 2509030503011 24 cover 6605700B00003 25 Arm front cover 25000500B0119 26 Arm base cover 25000500B0115 27 Power button 25003500B0118 28 Front door 25002500B0116 29 LED cover 25002500B0114 NO...

Страница 86: ...78 Appendix Exploded Diagrams and Parts List Display Parts and Cables Figure 6 2 Exploded diagram cables...

Страница 87: ...er 21004500B0027 36 Inverter 261BC30700211 37 CABLE HDD 1721309090006 38 Main Board PCB 700500N005000 39 Hinge R L 2108100000013 14 40 Main PCB 21004500B0043 41 Hinge cover R L 25003500B0119 20 42 Pan...

Страница 88: ...80 Appendix Exploded Diagrams and Parts List...

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