Page 2 - “Notices” on page 86; © Copyright Lenovo 2014. All rights reserved.
Notes: • Before using this information and the product it supports, be sure to read the general information under “Notices” on page 86 . • This manual applies to the following models: Lenovo G40-30/G40-45/G40-70/G40-70m/Z40-70/Z40-75. The illustrations used in this manual are for Lenovo G40-70 unles...
Page 3 - iii; Contents; Handling devices that are sensitive to; Important information about replacing RoHS; Specifications
iii Contents About this manual ....................................... iv Safety information ........................................ 1 General safety ................................................ 2 Electrical safety .............................................. 3 Safety inspection guide ..........
Page 4 - iv; About this manual; information required for servicing computers.
iv About this manual This manual contains service and reference information for the following Lenovo product: Lenovo G40-30/G40-45/G40-70/G40-70m/Z40-70/Z40-75 Use this manual to troubleshoot problems.The manual is divided into the following sections: • The common sections provide general informatio...
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 G40-30/G40-45/G40-70/G40-70m/ Z40-70/Z40-75 computer: • “General safety” on page 2 • “Electrical safety” on page 3 • “Safety inspection guide”...
Page 6 - General safety
2 G40-30/G40-45/G40-70/G40-70m/Z40-70/Z40-75 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...
Page 7 - Electrical safety; to protect yourself from electrical shock.
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; b. The power cord should be the type specified in the parts list.
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 10 - Handling devices that are sensitive to electrostatic discharge; that meets the specific service requirement.; Grounding requirements; certified electrician.
6 G40-30/G40-45/G40-70/G40-70m/Z40-70/Z40-75 Hardware Maintenance Manual Handling devices that are sensitive to electrostatic discharge Any computer part containing transistors or integrated circuits (ICs) should be considered sensitive to electrostatic discharge (ESD). ESD damage can occur when the...
Page 11 - Safety notices: multilingual translations; Safety notice 1; causar cortocircuitos eléctricos.
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 12 - Entzündung oder Explosion führen.
8 G40-30/G40-45/G40-70/G40-70m/Z40-70/Z40-75 Hardware Maintenance Manual Safety notice 2 DANGER Some standby batteries contain a small amount of nickel and cadmium. Do not disassemble a standby battery, recharge it, throw it into fire or water, or short- circuit it. Dispose of the battery as require...
Page 13 - Safety notice 3; provocar la ignición o explosión de la misma.
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 14 - Batterien kann zu Entzündung oder Explosion führen.
10 G40-30/G40-45/G40-70/G40-70m/Z40-70/Z40-75 Hardware Maintenance Manual Safety notice 4 DANGER The lithium battery can cause a fire, an explosion, or a severe burn. Do not recharge it, remove its polarized connector, disassemble it, heat it above 100°C (212°F), incinerate it, or expose its cell co...
Page 15 - Safety notice 5; Beschwerden anschließend ein Arzt aufgesucht werden.
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 - Spannungswandlerplatine umgibt, nicht entfernen.; Safety notice 7; entzünden oder Verletzungen bei Personen hervorzurufen.
12 G40-30/G40-45/G40-70/G40-70m/Z40-70/Z40-75 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 i...
Page 17 - Safety notice 8; cualquier cable de conexión entre dispositivos.
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, dé...
Page 18 - Laser compliance statement; optical storage device such as a CD-ROM drive or a DVD-ROM drive. Such; CAUTION; gefährliche Laserstrahlung auftreten.; Do not open
14 G40-30/G40-45/G40-70/G40-70m/Z40-70/Z40-75 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...
Page 19 - DANGER; haz de luz. Evite la exposición directa al haz.
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” on page 16; Strategy for replacing FRUs; Before replacing parts:; system board before completing the service action.
16 G40-30/G40-45/G40-70/G40-70m/Z40-70/Z40-75 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...
Page 21 - Strategy for replacing a hard disk drive
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 process...
Page 22 - Important information about replacing RoHS compliant FRUs; RoHS, The Restriction of Hazardous Substances in Electrical and; RoHS and non-RoHS FRU part numbers with the same fit and function
18 G40-30/G40-45/G40-70/G40-70m/Z40-70/Z40-75 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...
Page 23 - General checkout; This chapter presents the following information:; • Replace an FRU only with another FRU of the correct model.; When you; • 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 th...
Page 24 - What to do first; The following are not covered under warranty:
20 G40-30/G40-45/G40-70/G40-70m/Z40-70/Z40-75 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...
Page 25 - Power system checkout; Checking the AC adapter
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; from having a shortened life.
22 G40-30/G40-45/G40-70/G40-70m/Z40-70/Z40-75 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, ...
Page 27 - Related service information; Restoring the factory contents by using OneKey Recovery; Restore of factory default; System Recovery; the User Guide for Lenovo OneKey Recovery system
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 ...
Page 28 - Passwords; As many as three passwords may be needed for any Lenovo computer:; Administrator password; password was cleared, the User password was cleared too.
24 G40-30/G40-45/G40-70/G40-70m/Z40-70/Z40-75 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...
Page 29 - Power management; Screen blank state
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 - Table 1. Specifications; Control Panel
26 G40-30/G40-45/G40-70/G40-70m/Z40-70/Z40-75 Hardware Maintenance Manual Lenovo G40-30/G40-45/G40-70/G40-70m/Z40-70/Z40-75 This chapter presents the following product-specific service references and product-specific parts information:• “Specifications” on page 26• “Status indicators” on page 29 • “...
Page 33 - Status indicators; The system status indicators below show the computer status:
29 Lenovo G40-30/G40-45/G40-70/G40-70m/Z40-70/Z40-75 Status indicators The system status indicators below show the computer status: 1 2 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...
Page 34 - Hotkeys
30 G40-30/G40-45/G40-70/G40-70m/Z40-70/Z40-75 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...
Page 35 - FRU replacement notices; Screw notices; Plastic to plastic; tighten all screws firmly to the torque shown in the table.; Carefully remove
31 Lenovo G40-30/G40-45/G40-70/G40-70m/Z40-70/Z40-75 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...
Page 36 - Removing and replacing an FRU; certified. An untrained person runs the risk of damaging parts.; interconnecting cables.
32 G40-30/G40-45/G40-70/G40-70m/Z40-70/Z40-75 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...
Page 37 - could ignite or explode.
33 Lenovo G40-30/G40-45/G40-70/G40-70m/Z40-70/Z40-75 1010 Battery pack DANGER Only use the battery specified in the parts list for your computer. Any other battery could ignite or explode. Figure 1. Removal steps of battery pack Unlock the manual latch 1 . Slide the spring-loaded latch to the unlock...
Page 39 - Note: Applying labels to the base cover; For the location of each label, refer to the following figure:
35 Lenovo G40-30/G40-45/G40-70/G40-70m/Z40-70/Z40-75 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...
Page 40 - Color Torque
36 G40-30/G40-45/G40-70/G40-70m/Z40-70/Z40-75 Hardware Maintenance Manual 1030 Optical drive For access, remove this FRU: • “1010 Battery pack” on page 33 • “1020 Base cover” on page 34 Figure 3. Removal steps of optical drive Remove the screw 1 . Pull the optical drive out in the direction shown by...
Page 41 - • Do not drop the hard disk drive or apply any physical shock to it.; The hard; Make sure that the HDD connector is attached firmly.
37 Lenovo G40-30/G40-45/G40-70/G40-70m/Z40-70/Z40-75 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 physic...
Page 43 - 050 PCI Express Mini Card for wireless LAN; Figure 5. Removal steps of PCI Express Mini Card for wireless LAN
39 Lenovo G40-30/G40-45/G40-70/G40-70m/Z40-70/Z40-75 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 c...
Page 44 - Remove the card in the direction shown by arrow; MAIN; , and the grey cable; AUX; the jack labeled
40 G40-30/G40-45/G40-70/G40-70m/Z40-70/Z40-75 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 . 3 When installing: • In models with a wireless LAN card that has two antenna connectors, plug th...
Page 46 - Make sure that the connector is attached firmly.
42 G40-30/G40-45/G40-70/G40-70m/Z40-70/Z40-75 Hardware Maintenance Manual 1070 Fan assembly Attention: For the Lenovo G40-30, select models (computers with UMA architecture) do not have a thermal fan. For access, remove these FRUs in order: • “1010 Battery pack” on page 33 • “1020 Base cover” on pag...
Page 47 - Remove the fan
43 Lenovo G40-30/G40-45/G40-70/G40-70m/Z40-70/Z40-75 Figure 7. Removal steps of fan assembly (continued) Remove the fan 3 . 3
Page 53 - Carefully remove the power board in the direction shown by arrow
49 Lenovo G40-30/G40-45/G40-70/G40-70m/Z40-70/Z40-75 Figure 9. Removal steps of keyboard bezel (continued) Remove the screw 5 . Step Screw (quantity) Color Torque 5 M2 × 3.5 mm, flat-head, nylok-coated (1) Power BD to C Black 1.5 ~ 2.0 kgf*cm Carefully remove the power board in the direction shown b...
Page 55 - Remove the USB&audio board
51 Lenovo G40-30/G40-45/G40-70/G40-70m/Z40-70/Z40-75 Figure 10. Removal steps of USB&audio board (continued) Remove the USB&audio board 4 . 4
Page 56 - Important notices for handling the system board:; as an ESD mat or conductive corrugated material.
52 G40-30/G40-45/G40-70/G40-70m/Z40-70/Z40-75 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...
Page 58 - Remove the system board in the direction shown by arrow
54 G40-30/G40-45/G40-70/G40-70m/Z40-70/Z40-75 Hardware Maintenance Manual Figure 11. Removal steps of system board (continued) Remove the system board in the direction shown by arrow 6 .
Page 59 - Lift the heat sink assembly in the direction shown by arrow
55 Lenovo G40-30/G40-45/G40-70/G40-70m/Z40-70/Z40-75 1120 Heat sink 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 LAN” o...
Page 60 - 130 Speakers and DC-in cable; “1050 PCI Express Mini Card for wireless LAN” on page 39
56 G40-30/G40-45/G40-70/G40-70m/Z40-70/Z40-75 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 Mi...
Page 61 - Remove the DC-in cable in the direction shown by arrow
57 Lenovo G40-30/G40-45/G40-70/G40-70m/Z40-70/Z40-75 Figure 13. Removal steps of speakers and DC-in cable (continued) Remove the DC-in cable in the direction shown by arrow 2 . 2
Page 62 - the cables to be damaged by the cable guides, or a wire to be broken.
58 G40-30/G40-45/G40-70/G40-70m/Z40-70/Z40-75 Hardware Maintenance Manual 1140 LCD unit 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 wire...
Page 64 - 150 LCD front bezel, LCD panel, and hinges
60 G40-30/G40-45/G40-70/G40-70m/Z40-70/Z40-75 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 ...
Page 65 - Lift the LCD panel slightly
61 Lenovo G40-30/G40-45/G40-70/G40-70m/Z40-70/Z40-75 Figure 15. Removal steps of LCD front bezel, LCD panel, and hinges (continued) Remove the screws 2 . 2 2 2 2 Step Screw (quantity) Color Torque 2 M2 × 3.5 mm, flat-head, nylok-coated (4) LCD Module to Hinge & A Black 1.5 ~ 2.0 kgf*cm Lift the ...
Page 69 - 170 LCD cable and antenna assembly
65 Lenovo G40-30/G40-45/G40-70/G40-70m/Z40-70/Z40-75 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 wir...
Page 70 - Locations; Front view and right-side view
66 G40-30/G40-45/G40-70/G40-70m/Z40-70/Z40-75 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...
Page 71 - Bottom and Left-side view
67 Lenovo G40-30/G40-45/G40-70/G40-70m/Z40-70/Z40-75 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
Page 72 - Parts list
68 G40-30/G40-45/G40-70/G40-70m/Z40-70/Z40-75 Hardware Maintenance Manual Parts list This section presents the following service parts: • “Overall” on page 69 • “LCD FRUs” on page 77 • “Keyboard” on page 79 • “Miscellaneous parts” on page 81 • “AC adapters” on page 82 • “Screw” on page 82 • “Power c...
Page 73 - Overall
69 Lenovo G40-30/G40-45/G40-70/G40-70m/Z40-70/Z40-75 Overall G C D F E
Page 74 - Table 4. Parts list—Overall
70 G40-30/G40-45/G40-70/G40-70m/Z40-70/Z40-75 Hardware Maintenance Manual Table 4. Parts list—Overall No. FRU FRU no. CRU ID. a-e See “Miscellaneous parts” on page 81. 1 LCD unit (see “LCD FRUs” on page 77.) 2 Keyboard (see “Keyboard” on page 79.) 3 ACLU1 Upper Case Black W/MB LED Sponge (G40-30/G40...
Page 81 - LCD FRUs; following types of LCDs.
77 Lenovo G40-30/G40-45/G40-70/G40-70m/Z40-70/Z40-75 LCD FRUs In Lenovo G40-30/G40-45/G40-70/G40-70m/Z40-70/Z40-75, there are following types of LCDs.
Page 83 - Keyboard; Table 6. Parts list—Keyboard
79 Lenovo G40-30/G40-45/G40-70/G40-70m/Z40-70/Z40-75 Keyboard Table 6. Parts list—Keyboard Language P/N CRU ID. Chicony English 25214510 N U.K. English 25214511 Italian 25214512 Spanish 25214513 Turkish 25214514 Thai 25214515 Portuguese 25214516 Latin 25214517 Canadian English&French 25214518 Ko...
Page 84 - Language
80 G40-30/G40-45/G40-70/G40-70m/Z40-70/Z40-75 Hardware Maintenance Manual Language P/N CRU ID. Sunrex Arabic 25214554 N Brazilian 25214555 Dutch 25214557 Greek 25214558 Hebrew 25214559 Hungarian 25214560 Four Nordic countries 25214561 Belgian 25214562 Icelandic 25214563 Slovenian 25214564 Swiss 2521...
Page 85 - Miscellaneous parts; Table 7. Parts list—Miscellaneous parts
81 Lenovo G40-30/G40-45/G40-70/G40-70m/Z40-70/Z40-75 Miscellaneous parts Table 7. Parts list—Miscellaneous parts FRU P/N CRU ID. System miscellaneous parts: • ( a ) HDD Bracket,L,G40-70,L+R (G40-30/G40-45/Z40-75) • ( a ) ACLU1 HDD Bracket L+R (G40-70/G40-70m/Z40-70) • ( b ) ACLU1 ODD Bracket • ( c )...
Page 86 - AC adapters; FRU; Screw; Table 9. Parts list—screw
82 G40-30/G40-45/G40-70/G40-70m/Z40-70/Z40-75 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...
Page 87 - Power cords; that country or region:
83 Lenovo G40-30/G40-45/G40-70/G40-70m/Z40-70/Z40-75 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 • LINE...
Page 88 - Region
84 G40-30/G40-45/G40-70/G40-70m/Z40-70/Z40-75 Hardware Maintenance Manual Region P/N CRU ID. Switzerland 3PIN • Longwell LP-37+H03VV-F+LS-18 1m 145000565 * Brazil 3PIN • Longwell LP-46+H03VV-F+LS-18 1m 145000564 Israel 3PIN • Longwell LP-41+H03VV-F+LS-18 1m 145000563 UL 3PIN • Longwell LP-30B+SPT-2 ...
Page 90 - Notices
86 G40-30/G40-45/G40-70/G40-70m/Z40-70/Z40-75 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...
Page 91 - may vary significantly. Some measurements may have been made on; Trademarks
87 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...