Lenovo 59415169- Manuals

1 Safety information Safety information This chapter presents the following safety information that you need to get familiar with before you service a Lenovo G50-30/G50-45/G50-70/G50-70m/ Z50-70/Z50-75 computer:• “General safety” on page 2• “Electrical safety” on page 3• “Safety inspection guide” on...

2 G50-30/G50-45/G50-70/G50-70m/Z50-70/Z50-75 Hardware Maintenance Manual General safety Follow these rules below to ensure general safety:• Observe a good housekeeping in the area where the machines are put during and after the maintenance. • When lifting any heavy object: 1. Make sure that you can ...

3 Safety information Electrical safety Observe the following rules when working on electrical equipments. Important: Use only approved tools and test equipments. Some hand tools have handles covered with a soft material that does not insulate you when working with live electrical currents.Many custo...

5 Safety information Safety inspection guide The purpose of this inspection guide is to assist you in identifying potential unsafe conditions. As each machine was designed and built, required safety items were installed to protect users and service personnel from injury. This guide addresses only th...

7 Safety information Safety notices: multilingual translations The safety notices in this section are provided in English, French, German, Hebrew, Italian, Japanese, and Spanish. Safety notice 1 Before the computer is powered on after FRU replacement, make sure all screws, springs, and other small p...

9 Safety information Safety notice 3 DANGER The battery pack contains small amounts of nickel. Do not disassemble it, throw it into fire or water, or short-circuit it. Dispose of the battery pack as required by local ordinances or regulations. Use only the battery in the appropriate parts listing wh...

11 Safety information Safety notice 5 If the LCD breaks and the fluid from inside the LCD gets into your eyes or on your hands, immediately wash the affected areas with water at least for 15 minutes. Seek medical care if any symptoms caused by the fluid are present after washing.Si le panneau d’affi...

12 G50-30/G50-45/G50-70/G50-70m/Z50-70/Z50-75 Hardware Maintenance Manual Safety notice 6 DANGER To avoid shock, do not remove the plastic cover that protects the lower part of the inverter card. Afin d’éviter tout risque de choc électrique, ne retirez pas le cache en plastique protégeant la partie ...

13 Safety information Safety notice 8 DANGER Before removing any FRU, turn off the computer, unplug all power cords from electrical outlets, remove the battery pack, and then disconnect any interconnecting cables. Avant de retirer une unité remplaçable en clientèle, mettez le système hors tension, d...

14 G50-30/G50-45/G50-70/G50-70m/Z50-70/Z50-75 Hardware Maintenance Manual Laser compliance statement Some models of Lenovo computer are equipped from the factory with an optical storage device such as a CD-ROM drive or a DVD-ROM drive. Such devices are also sold separately as options. If one of thes...

15 Safety information A CD-ROM drive, a DVD-ROM drive, or any other storage device installed may contain an embedded Class 3A or Class 3B laser diode. Note the following: DANGER Emits visible and invisible laser radiation when open. Do not stare into the beam, do not view directly with optical instr...

16 G50-30/G50-45/G50-70/G50-70m/Z50-70/Z50-75 Hardware Maintenance Manual Important service information This chapter presents the following important service information: • “Strategy for replacing FRUs” on page 16 – “Strategy for replacing a hard disk drive” on page 17– “Important notice for replaci...

17 Important service information Use the following strategy to prevent unnecessary expense for replacing and servicing FRUs:• If you are instructed to replace an FRU, but the replacement does not solve the problem, reinstall the original FRU before you continue. • Some computers have both a processo...

18 G50-30/G50-45/G50-70/G50-70m/Z50-70/Z50-75 Hardware Maintenance Manual Important information about replacing RoHS compliant FRUs RoHS, The Restriction of Hazardous Substances in Electrical and Electronic Equipment Directive (2002/95/EC) is a European Union legal requirement affecting the global e...

19 General checkout General checkout This chapter presents the following information:• “What to do first” on page 20• “Power system checkout” on page 21 Before you go to the checkout, make sure to read the following important notes: Important notes: • Only certified trained personnel can service the...

20 G50-30/G50-45/G50-70/G50-70m/Z50-70/Z50-75 Hardware Maintenance Manual What to do first When you do return an FRU, you must include the following information in the parts exchange form or parts return form that you attach to it:1. Name and phone number of servicer2. Date of service3. Date on whic...

21 General checkout Power system checkout To verify a symptom, follow the steps below:1. Turn off the computer.2. Remove the battery pack.3. Connect the AC adapter.4. Make sure that power is supplied when you turn on the computer.5. Turn off the computer.6. Disconnect the AC adapter and install the ...

22 G50-30/G50-45/G50-70/G50-70m/Z50-70/Z50-75 Hardware Maintenance Manual Perform operational charging. If the battery status indicator or icon does not light on, remove the battery pack and let it return to room temperature. Reinstall the battery pack. If the charge indicator or icon is still off, ...

23 Related service information Related service information This chapter presents the following information:• “Restoring the factory contents by using OneKey Recovery” on page 23• “Passwords” on page 24• “Power management” on page 25 Restoring the factory contents by using OneKey Recovery Restore of ...

24 G50-30/G50-45/G50-70/G50-70m/Z50-70/Z50-75 Hardware Maintenance Manual Passwords As many as three passwords may be needed for any Lenovo computer: the power-on password (POP), the hard disk password (HDP), and the administrator password.If any of these passwords has been set, a prompt for it appe...

25 Related service information Power management Note: Power management modes are not supported for APM operating system. To reduce power consumption, the computer has three power management modes: screen blank, sleep (standby), and hibernation. Screen blank state If the time set on the “Turn off mon...

26 G50-30/G50-45/G50-70/G50-70m/Z50-70/Z50-75 Hardware Maintenance Manual Lenovo G50-30/G50-45/G50-70/G50-70m/Z50-70/Z50-75 This chapter presents the following product-specific service references and product-specific parts information:• “Specifications” on page 26• “Status indicators” on page 29• “H...

29 Lenovo G50-30/G50-45/G50-70/G50-70m/Z50-70/Z50-75 Status indicators The system status indicators below show the computer status: Table 2. Status indicators Indicator Indicator status Charge status Meaning 1 Power On (solid white) --- The computer is powered on. Blinking --- The computer is in sle...

30 G50-30/G50-45/G50-70/G50-70m/Z50-70/Z50-75 Hardware Maintenance Manual Hotkeys You can access certain system settings quickly by pressing the appropriatehotkeys. Table 3. Hotkeys : Mutes/unmutes the sound. : Decreases the volume level. : Increases the volume level. : Closes the currently active w...

31 Lenovo G50-30/G50-45/G50-70/G50-70m/Z50-70/Z50-75 FRU replacement notices This section presents notices related to removing and replacing parts. Read this section carefully before replacing any FRU. Screw notices Loose screws can cause a reliability problem. In the Lenovo computer, this problem i...

32 G50-30/G50-45/G50-70/G50-70m/Z50-70/Z50-75 Hardware Maintenance Manual Removing and replacing an FRU This section presents exploded figures with the instructions to indicate how to remove and replace the FRU. Make sure to observe the following general rules:1. Do not attempt to service any comput...

35 Lenovo G50-30/G50-45/G50-70/G50-70m/Z50-70/Z50-75 Note: Applying labels to the base cover The new base cover FRU is shipped with a kit containing labels of several kinds. When you replace the base cover, you need to apply the following label: The following labels need to be peeled off from the ol...

37 Lenovo G50-30/G50-45/G50-70/G50-70m/Z50-70/Z50-75 1040 Hard disk drive For access, remove these FRUs in order:• “1010 Battery pack” on page 33 • “1020 Base cover” on page 34 Attention: • Do not drop the hard disk drive or apply any physical shock to it. The hard disk drive is sensitive to physica...

39 Lenovo G50-30/G50-45/G50-70/G50-70m/Z50-70/Z50-75 1050 PCI Express Mini Card for wireless LAN For access, remove these FRUs in order:• “1010 Battery pack” on page 33 • “1020 Base cover” on page 34 Figure 5. Removal steps of PCI Express Mini Card for wireless LAN Disconnect the two wireless LAN ca...

40 G50-30/G50-45/G50-70/G50-70m/Z50-70/Z50-75 Hardware Maintenance Manual Figure 5. Removal steps of PCI Express Mini Card for wireless LAN (continued) Remove the card in the direction shown by arrow 3 . When installing: • In models with a wireless LAN card that has two antenna connectors, plug the ...

50 G50-30/G50-45/G50-70/G50-70m/Z50-70/Z50-75 Hardware Maintenance Manual 1100 ODD board and USB&audio board For access, remove these FRUs in order:• “1010 Battery pack” on page 33• “1020 Base cover” on page 34• “1030 Optical drive” on page 36• “1040 Hard disk drive” on page 37• “1050 PCI Expres...

54 G50-30/G50-45/G50-70/G50-70m/Z50-70/Z50-75 Hardware Maintenance Manual 1110 System board Important notices for handling the system board: When handling the system board, bear the following in mind.• Be careful not to drop the system board on a bench top that has a hard surface, such as metal, woo...

58 G50-30/G50-45/G50-70/G50-70m/Z50-70/Z50-75 Hardware Maintenance Manual 1130 Speakers and DC-in cable For access, remove these FRUs in order:• “1010 Battery pack” on page 33• “1020 Base cover” on page 34• “1030 Optical drive” on page 36• “1040 Hard disk drive” on page 37• “1050 PCI Express Mini Ca...

62 G50-30/G50-45/G50-70/G50-70m/Z50-70/Z50-75 Hardware Maintenance Manual 1150 LCD front bezel, LCD panel, and hinges For access, remove these FRUs in order: • “1010 Battery pack” on page 33• “1020 Base cover” on page 34• “1030 Optical drive” on page 36• “1040 Hard disk drive” on page 37• “1050 PCI ...

67 Lenovo G50-30/G50-45/G50-70/G50-70m/Z50-70/Z50-75 1170 LCD cable and antenna assembly For access, remove these FRUs in order:• “1010 Battery pack” on page 33• “1020 Base cover” on page 34• “1030 Optical drive” on page 36• “1040 Hard disk drive” on page 37• “1050 PCI Express Mini Card for wireless...

68 G50-30/G50-45/G50-70/G50-70m/Z50-70/Z50-75 Hardware Maintenance Manual Locations Front view and right-side view 1 Integrated camera 2 Built-in microphone Note: Select models may have two microphones, please refer to the actual product. 3 Wireless LAN antennas 4 Computer display 5 Power button 6 T...

69 Lenovo G50-30/G50-45/G50-70/G50-70m/Z50-70/Z50-75 Bottom and Left-side view 1 Speaker 2 USB port 3 HDMI port 4 RJ-45 port 5 VGA port 6 Fan louvers 7 Novo button 8 AC power adapter jack 1 1 2 2 3 4 5 6 7 8

70 G50-30/G50-45/G50-70/G50-70m/Z50-70/Z50-75 Hardware Maintenance Manual Parts list This section presents the following service parts:• “Overall” on page 71• “LCD FRUs” on page 79• “Keyboard” on page 81• “Miscellaneous parts” on page 83• “AC adapters” on page 84• “Screw” on page 84• “Power cords” o...

71 Lenovo G50-30/G50-45/G50-70/G50-70m/Z50-70/Z50-75 Overall D C F E

79 Lenovo G50-30/G50-45/G50-70/G50-70m/Z50-70/Z50-75 LCD FRUs In Lenovo G50-30/G50-45/G50-70/G50-70m/Z50-70/Z50-75, there are following types of LCDs.

81 Lenovo G50-30/G50-45/G50-70/G50-70m/Z50-70/Z50-75 Keyboard Table 6. Parts list—Keyboard Language P/N CRU ID. Chicony English 25214725 N U.K. English 25214726 Italian 25214727 Spanish 25214728 Turkish 25214729 Thai 25214730 Portuguese 25214731 Latin 25214732 Canadian English&French 25214733 Ko...

83 Lenovo G50-30/G50-45/G50-70/G50-70m/Z50-70/Z50-75 Miscellaneous parts Table 7. Parts list—Miscellaneous parts FRU P/N CRU ID. System miscellaneous parts: • ( a ) ACLU1 HDD Bracket L+R • ( b ) ACLU1 ODD Bracket • ( c ) ACLU1 ODD Bezel Tray-in (G50-30/G50-45/G50-70) • ( c ) ACLUG ODD Bezel Black M ...

84 G50-30/G50-45/G50-70/G50-70m/Z50-70/Z50-75 Hardware Maintenance Manual AC adapters Table 8. Parts list—3-pin AC adapters FRU P/N CRU ID. Delta ADLX45NDC3A 20V2.25A adapter 36200245 * Liteon ADLX45NLC3A 20V2.25A adapter 36200246 * Chicony ADLX45NCC3A 20V2.25A adapter 36200247 * Delta ADLX45NDC3A 2...

85 Lenovo G50-30/G50-45/G50-70/G50-70m/Z50-70/Z50-75 Power cords A Lenovo power cord for a specific country or region is usually available only in that country or region: Table 10. Parts list—power cords Region P/N CRU ID. CCC 3PIN• LINETEK PC323+RVV300/300+LS15 1m 145000600 * Argentina 3PIN• LINETE...

88 G50-30/G50-45/G50-70/G50-70m/Z50-70/Z50-75 Hardware Maintenance Manual Notices Lenovo may not offer the products, services, or features discussed in this document in all countries. Consult your local Lenovo representative for information on the products and services currently available in your ar...

89 Notices Any performance data contained herein was determined in a controlled environment. Therefore, the result obtained in other operating environments may vary significantly. Some measurements may have been made on development-level systems and there is no guarantee that these measurements will...