Page 2 - © Copyright Lenovo 2013. All rights reserved.
Notes: • Before using this information and the product it supports, be sure to read the general information under “Notices” on page 85. • This manual applies to the following models: Lenovo G50-70/G50-70m/Z50-70. The illustrations used in this manual are for Lenovo G50-70 unless otherwise stated. Fi...
Page 3 - iii; Contents
iii Contents About this manual ....................................... iv Safety information ........................................ 1 General safety ................................................ 2 Electrical safety .............................................. 3 Safety inspection guide ..........
Page 4 - iv; About this manual
iv About this manual This manual contains service and reference information for the following Lenovo product: Lenovo G50-70/G50-70m/Z50-70 Use this manual to troubleshoot problems.The manual is divided into the following sections:• The common sections provide general information, guidelines, and saf...
Page 5 - Safety information
1 Safety information Safety information This chapter presents the following safety information that you need to get familiar with before you service a Lenovo G50-70/G50-70m/Z50-70 computer:• “General safety” on page 2• “Electrical safety” on page 3• “Safety inspection guide” on page 5• “Handling dev...
Page 6 - General safety
2 G50-70/G50-70m/Z50-70 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 stand safely without ...
Page 7 - Electrical safety
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...
Page 9 - Safety inspection guide
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...
Page 11 - Safety notices: multilingual translations; Safety notice 1
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...
Page 13 - Safety notice 3
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...
Page 15 - Safety notice 5
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...
Page 16 - Safety notice 7
12 G50-70/G50-70m/Z50-70 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 inférieure de la cart...
Page 17 - Safety notice 8
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...
Page 18 - Laser compliance statement; CAUTION; Do not open
14 G50-70/G50-70m/Z50-70 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 these drives is installed...
Page 19 - DANGER
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...
Page 20 - Important service information; Strategy for replacing FRUs; Before replacing parts:
16 G50-70/G50-70m/Z50-70 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 replacing a system board” on...
Page 21 - Strategy for replacing a hard disk drive; Important notice for replacing a system board
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...
Page 22 - Important information about replacing RoHS compliant FRUs; RoHS, The Restriction of Hazardous Substances in Electrical and
18 G50-70/G50-70m/Z50-70 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 electronics industry. ...
Page 23 - General checkout; • Replace an FRU only with another FRU of the correct model.; • Be careful not to replace a nondefective FRU.
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...
Page 24 - What to do first; The following are not covered under warranty:
20 G50-70/G50-70m/Z50-70 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 which the machine failed4...
Page 25 - Power system checkout; Checking the AC adapter; Checking operational charging
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 ...
Page 26 - Checking the battery pack
22 G50-70/G50-70m/Z50-70 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, replace the battery p...
Page 27 - Related service information; Restoring the factory contents by using OneKey Recovery; Restore of factory default; System Recovery
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 ...
Page 28 - Passwords; Administrator password
24 G50-70/G50-70m/Z50-70 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 appears on the screen whe...
Page 29 - Power management; Screen blank state; Putting the computer to sleep or shutting it down
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...
Page 30 - Specifications
26 G50-70/G50-70m/Z50-70 Hardware Maintenance Manual Lenovo G50-70/G50-70m/Z50-70 This chapter presents the following product-specific service references and product-specific parts information:• “Specifications” on page 26• “Status indicators” on page 28• “Hotkeys” on page 29• “FRU replacement notic...
Page 32 - Status indicators
28 G50-70/G50-70m/Z50-70 Hardware Maintenance Manual 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...
Page 33 - Hotkeys
29 Lenovo G50-70/G50-70m/Z50-70 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 window. : Refreshes the desktop or the curr...
Page 34 - FRU replacement notices; Screw notices; Plastic to plastic; Carefully remove
30 G50-70/G50-70m/Z50-70 Hardware Maintenance Manual 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...
Page 35 - Removing and replacing an FRU
31 Lenovo G50-70/G50-70m/Z50-70 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 computer unless you have been trained and certif...
Page 38 - Note: Applying labels to the base cover
34 G50-70/G50-70m/Z50-70 Hardware Maintenance Manual 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...
Page 40 - • Do not drop the hard disk drive or apply any physical shock to it.
36 G50-70/G50-70m/Z50-70 Hardware Maintenance Manual 1040 Hard disk drive For access, remove these FRUs in order:• “1010 Battery pack” on page 32 • “1020 Base cover” on page 33 Attention: • Do not drop the hard disk drive or apply any physical shock to it. The hard disk drive is sensitive to physica...
Page 42 - 050 PCI Express Mini Card for wireless LAN
38 G50-70/G50-70m/Z50-70 Hardware Maintenance Manual 1050 PCI Express Mini Card for wireless LAN For access, remove these FRUs in order:• “1010 Battery pack” on page 32 • “1020 Base cover” on page 33 Figure 5. Removal steps of PCI Express Mini Card for wireless LAN Disconnect the two wireless LAN ca...
Page 43 - MAIN; AUX
39 Lenovo G50-70/G50-70m/Z50-70 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 black cable (1st) (MAIN) into the jack lab...
Page 53 - 100 ODD board and USB&audio board
49 Lenovo G50-70/G50-70m/Z50-70 1100 ODD board and USB&audio board For access, remove these FRUs in order:• “1010 Battery pack” on page 32• “1020 Base cover” on page 33• “1030 Optical drive” on page 35• “1040 Hard disk drive” on page 36• “1050 PCI Express Mini Card for wireless LAN” on page 38• ...
Page 57 - Important notices for handling the system board:
53 Lenovo G50-70/G50-70m/Z50-70 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, wood, or composite. • Avoid rough handling of...
Page 61 - 130 Speakers and DC-in cable
57 Lenovo G50-70/G50-70m/Z50-70 1130 Speakers and DC-in cable For access, remove these FRUs in order:• “1010 Battery pack” on page 32• “1020 Base cover” on page 33• “1030 Optical drive” on page 35• “1040 Hard disk drive” on page 36• “1050 PCI Express Mini Card for wireless LAN” on page 38• “1070 Fan...
Page 65 - 150 LCD front bezel, LCD panel, and hinges
61 Lenovo G50-70/G50-70m/Z50-70 1150 LCD front bezel, LCD panel, and hinges For access, remove these FRUs in order: • “1010 Battery pack” on page 32• “1020 Base cover” on page 33• “1030 Optical drive” on page 35• “1040 Hard disk drive” on page 36• “1050 PCI Express Mini Card for wireless LAN” on pag...
Page 70 - 170 LCD cable and antenna assembly
66 G50-70/G50-70m/Z50-70 Hardware Maintenance Manual 1170 LCD cable and antenna assembly For access, remove these FRUs in order:• “1010 Battery pack” on page 32• “1020 Base cover” on page 33• “1030 Optical drive” on page 35• “1040 Hard disk drive” on page 36• “1050 PCI Express Mini Card for wireless...
Page 71 - Locations; Front view and right-side view
67 Lenovo G50-70/G50-70m/Z50-70 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 Touchpad 7 System status indicators Note: F...
Page 72 - Bottom and Left-side view
68 G50-70/G50-70m/Z50-70 Hardware Maintenance Manual 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
Page 73 - Parts list
69 Lenovo G50-70/G50-70m/Z50-70 Parts list This section presents the following service parts:• “Overall” on page 70• “LCD FRUs” on page 76• “Keyboard” on page 78• “Miscellaneous parts” on page 80• “AC adapters” on page 81• “Screws” on page 81• “Power cords” on page 82 Note: Each FRU is available for...
Page 74 - Overall
70 G50-70/G50-70m/Z50-70 Hardware Maintenance Manual Overall D C F E
Page 80 - LCD FRUs
76 G50-70/G50-70m/Z50-70 Hardware Maintenance Manual LCD FRUs In Lenovo G50-70/G50-70m/Z50-70, there are following types of LCDs.
Page 82 - Keyboard
78 G50-70/G50-70m/Z50-70 Hardware Maintenance Manual 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...
Page 84 - Miscellaneous parts
80 G50-70/G50-70m/Z50-70 Hardware Maintenance Manual 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 (G50-70) • ( c ) ACLUG ODD Bezel Black M (Z50-70/G50-70...
Page 85 - AC adapters; Screws
81 Lenovo G50-70/G50-70m/Z50-70 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 20V2.25A adap(CMN) 36200602 * Liteon ADLX45...
Page 86 - Power cords
82 G50-70/G50-70m/Z50-70 Hardware Maintenance Manual 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...
Page 89 - Notices
85 Notices 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 area. Any reference to a Lenovo product, program, or service is n...
Page 90 - Trademarks
86 G50-70/G50-70m/Z50-70 Hardware Maintenance Manual 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...