Lenovo E49- User Manual

About this manual This manual provides service and reference information for the following Lenovo ® products. Machine Machine type (MT) Lenovo E49 3464 ZhaoYang E49 20161, 20162, 20178 Use this manual to troubleshoot problems. The manual is divided into the following sections: • The common sections ...

Chapter 1. Safety information This chapter presents following safety information that you need to be familiar with before you service aLenovo Notebook.• “General safety” on page 1 • “Electrical safety” on page 2 • “Safety inspection guide” on page 3 • “Handling devices that are sensitive to electros...

Electrical safety Observe the following rules when working on electrical equipment. Important: Use only approved tools and test equipment. Some hand tools have handles covered with a soft materialthat does not insulate you when working with live electrical currents.Many customers have, near their eq...

2. Make sure that the ESD protective devices you use have been certified (ISO 9000) as fully effective. When handling ESD-sensitive parts: • Keep the parts in protective packages until they are inserted into the product. • Avoid contact with other people. • Wear a grounded wrist strap against your s...

Laser compliance statement (multilingual translations) The laser compliance statements in this section are provided in the following languages:• English• Arabic• Brazilian Portuguese• French• German• Hebrew• Japanese• Korean• Spanish• Traditional Chinese Chapter 1 . Safety information 19

Chapter 2. Important service information This chapter presents the following important service information that applies to all machine types supportedby this manual:• “Strategy for replacing FRUs” on page 27 – “Strategy for replacing a hard disk drive” on page 28 – “Important notice for replacing a ...

• If an adapter or a device consists of more than one FRU, any of the FRUs may be the cause of the error. Before replacing the adapter or device, remove the FRUs, one by one, to see if the symptoms change.Replace only the FRU that changed the symptoms. Strategy for replacing a hard disk drive Always...

Chapter 3. General checkout This chapter presents following information:• “What to do first” on page 29 • “Power system checkout” on page 30 Before you go to the checkout guide, be sure to read the following important notes. Important notes: • Only certified trained personnel should service the comp...

• If the problem persists, go to Chapter 5 “Lenovo E49 and ZhaoYang E49” on page 37. Note: Noise from the ac power adapter does not always indicate a defect. Checking operational charging To check whether the battery charges properly during operation, use a discharged battery pack or a batterypack t...

Chapter 4. Related service information This chapter presents the following information:• “Recovering the computer settings” on page 33 • “Passwords” on page 33 • “Power management” on page 34 Recovering the computer settings Performing backup and recovery operations using the OneKey Recovery Pro pro...

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,and hibernation. Screen blank mode If the time set on the “Turn off monitor” timer in the operating system expires...

• If a “hibernation time” has been set on the timer, and if the user does not do any operation with the keyboard, the hard disk drive, the parallel connector, or the diskette drive within that time. • If the timer conditions are satisfied in suspend mode. When the power is turned on, the computer re...

Chapter 5. Lenovo E49 and ZhaoYang E49 This chapter presents the following product-specific service references and parts information: • “Specifications” on page 37 • “Status indicators” on page 38 • “Fn key combinations” on page 39 Specifications This topic lists the physical features for the Lenovo...

• 12.7 mm Rambo optical drive (on some models) Wireless features • Integrated wireless LAN • 10/100/1000 Mbps Ethernet communication Security feature • Fingerprint reader (on some models) Status indicators This topic presents the system status indicators that show the status of the computer. 1 2 3 T...

Table 1. Status indicators (continued) Indicator Meaning Attention: • When the indicator is on, do not put the computer into sleep mode or turn off the computer. • When the indicator is on, do not move the computer. Sudden physical shock might cause drive errors. 3 Wirelesscommunicationindicator • B...

Chapter 6. FRU replacement notices This chapter presents notices related to removing and replacing parts. Read this chapter carefully beforereplacing any FRU. CRU statement for customers: You can resolve some problems with your product with a replacement part you can install yourself, calleda “Custo...

• Torque driver If you have a torque screwdriver, refer to the Torque column in the screw information table for each step. • Ensure that you use the correct screw. It is recommended to use new screws for replacements. If you have a torque screwdriver, tighten all screws firmly to the torque specifie...

Chapter 7. Removing and replacing a FRU This chapter provides instructions on how to remove or replace a FRU. CRU statement for customers: You can resolve some problems with your product with a replacement part you can install yourself, calleda “Customer Replaceable Unit” or “CRU.” Some CRUs are des...

1010 Battery pack Removal steps of battery pack DANGER Use only the battery specified in the parts list for your computer. Any other battery could igniteor explode. Unlock the manual battery latch 1 . Holding the spring-loaded battery latch in the unlocked position, remove the battery pack in the di...

Removal steps of optical drive Remove the screw 1 . Use a screwdriver to push the optical drive in the direction shown by the arrow 2 . Then remove the optical drive 3 . 1 2 3 Step Screw (quantity) Color Torque 1 M2 × 3 mm, flat-head, nylon-coated (1) Black 1.85 kgfcm Removal steps of optical drive ...

Remove the screws 1 and then remove the optical drive bracket. 1 1 2 Step Screw (quantity) Color Torque 1 M2 × 3 mm, flat-head, nylon-coated (2) Black 1.85 kgfcm 1030 Bottom slot cover For access, remove this FRU:• “1010 Battery pack” on page 44 Removal steps of bottom slot cover Loosen the screws 1...

Removal steps of memory modules Release the two latches on both edges of the socket at the same time in the direction shown by the arrows 1 , and then unplug the memory module in the direction shown by the arrow 2 . 2 1 1 Note: If only one memory module is used on the computer you are servicing, the...

Removal steps of hard disk drive assembly Remove the screws 1 , then pull the tab in the direction shown by the arrow 2 . 1 1 2 Step Screw (quantity) Color Torque 1 M2 × 3 mm, flat-head, nylon-coated (2) Black 1.85 kgfcm Remove the hard disk drive from the slot 3 . 3 When installing: Make sure that ...

Removal steps of hard disk drive bracket Remove the screws 1 . 1 1 1 1 Step Screw (quantity) Color Torque 1 M3 × 3 mm, flat-head, nylon-coated (4) Black 4.0 kgfcm Remove the hard disk drive bracket in the direction shown by the arrow 2 . 2 1060 PCI Express Mini Card for wireless LAN For access, remo...

Removal steps of PCI Express Mini Card for wireless LAN In steps 1 , unplug the connectors using the removal tool antenna RF connector (P/N: 08K7159) or pick the connectors with your fingers and gently unplug them in the direction of the arrows. Then remove the screw 2 . 2 1 1 Step Screw (quantity) ...

1070 Thermal fan assembly For access, remove these FRUs in order:• “1010 Battery pack” on page 44 • “1030 Bottom slot cover” on page 46 Removal steps of thermal fan assembly Detach the connector 1 . 1 When installing: Make sure that the connector is attached firmly. Loosen the screws 2 to 8 . 5 2 4 ...

When installing: Before you attach the thermal fan assembly to the computer, apply thermal grease, at an amount of 0.2 grams, on the part marked a and b as shown in the following illustration. Either too much or too less application of grease can cause a thermal problem due to imperfect contact with...

Removal steps of microprocessor Rotate the head of the screw in the direction shown by the arrow 1 to release the lock, then remove the microprocessor 2 . 2 2 a b 1 When installing: Place the microprocessor above the microprocessor socket a , and then rotate the head of the screw in the direction sh...

Removal steps of keyboard Remove the screws 1 . 1 1 When installing: Make sure that the screws have been fastened to secure the keyboard. Step Screw (quantity) Color Torque 1 M2 × 6 mm, flat-head, nylon-coated (2) Black 1.85 kgfcm Push hard in the direction shown by the arrows 2 to unlatch the rear ...

5 6 7 When installing: Make sure that the keyboard connector is attached firmly. 1100 Keyboard bezel For access, remove these FRUs in order:• “1010 Battery pack” on page 44 • “1020 Optical drive” on page 44 • “1030 Bottom slot cover” on page 46 • “1090 Keyboard” on page 54 Chapter 7 . Removing and r...

Removal steps of keyboard bezel Remove the screws 1 , 2 , and 3 that secure the keyboard bezel. 1 1 1 1 1 1 1 1 1 2 2 2 1 3 3 3 Step Screw (quantity) Color Torque 1 M2 × 6 mm, flat-head, nylon-coated (10) Black 1.85 kgfcm 2 M2 × 3 mm, flat-head, nylon-coated (3) Black 1.85 kgfcm 3 M2 × 2 mm, flat-he...

• “1030 Bottom slot cover” on page 46 • “1090 Keyboard” on page 54 • “1100 Keyboard bezel” on page 57 Removal steps of power board Remove the screw 1 and then remove the power board 2 . 2 2 1 Step Screw (quantity) Color Torque 1 M2 × 3 mm, flat-head, nylon-coated (1) Black 1.85 kgfcm 1120 Backup bat...

Use only the battery specified in the parts list for your computer. Any other battery could igniteor explode. Insert a screwdriver into the backup battery hole and push the backup battery until the battery pops up. 1130 System board assembly Important notices for handling the system board: When hand...

Removal steps of system board assembly Remove the screws 1 , and then detach the connectors as shown in the following illustration. 4 5 2 3 1 1 1 Step Screw (quantity) Color Torque 1 M2 × 3 mm, flat-head, nylon-coated (3) Black 1.85 kgfcm When installing: Make sure that all the connectors are attach...

• “1030 Bottom slot cover” on page 46 • “1040 Memory modules” on page 46 • “1050 Hard disk drive assembly” on page 47 • “1060 PCI Express Mini Card for wireless LAN” on page 49 • “1070 Thermal fan assembly” on page 51 • “1080 Microprocessor” on page 53 • “1090 Keyboard” on page 54 • “1100 Keyboard b...

Remove the LCD unit in the direction shown by the arrows 4 . 4 4 1150 DC-in cable and base cover For access, remove these FRUs in order:• “1010 Battery pack” on page 44 • “1020 Optical drive” on page 44 • “1030 Bottom slot cover” on page 46 • “1040 Memory modules” on page 46 • “1050 Hard disk drive ...

Removal steps of DC-in cable and base cover Remove the screw 1 , and the DC-in bracket 2 . Remove the DC-in cable in the direction shown by the arrow 3 . 1 2 3 Step Screw (quantity) Color Torque 1 M2 × 3 mm, flat-head, nylon-coated (1) Black 1.85 kgfcm 66 Hardware Maintenance Manual

Applying labels to the base cover The new base cover FRU is shipped with a kit containing labels of several kinds. The following illustration shows the correct location of each label. 1 3 4 5 2 7 6 8 9 10 11 14 13 12 If the Windows Certificate of Authentication label (COA) 1 is attached to a part th...

Removal steps of LCD front bezel Remove the screws 1 . 1 1 Step Screw (quantity) Color Torque 1 M2 × 6 mm, flat-head, nylon-coated (2) Black 1.85 kgfcm Remove the LCD front bezel in the direction shown by the arrows 2 . 2 2 2 2 When installing: Make sure that all the latches are attached firmly. The...

2020 Integrated camera For access, remove these FRUs in order:• “1010 Battery pack” on page 44 • “1140 LCD unit” on page 62 • “2010 LCD front bezel” on page 67 Removal steps of integrated camera Remove the integrated camera from the LCD cover as shown in the following illustration. Note: The integra...

Removal steps of LCD panel and LCD cable Remove the screws 1 . Then remove the LCD panel in the direction shown by the arrow 2 . 1 1 1 1 1 1 2 Step Screw (quantity) Color Torque 1 M2 × 5 mm, flat-head, nylon-coated (6) Black 1.85 kgfcm Turn over the LCD panel in the direction shown by the arrow 3 . ...

Removal steps of hinges Remove the screws 1 . Then remove the hinges 2 . 1 2 1 1 2 1 Step Screw (quantity) Color Torque 1 M2 × 3 mm, flat-head, nylon-coated (4) Black 1.85 kgfcm 2040 Antenna assembly and LCD rear cover For access, remove these FRUs in order:• “1010 Battery pack” on page 44 • “1140 L...

Removal steps of antenna assembly and LCD rear cover Release the antenna cables from the cable guides of the LCD rear cover assembly and from the hinges inthe direction shown by the arrows 1 . 1 1 Cable routing: Route the antenna cables along the cable guides and secure the antenna boards with adhes...

Chapter 8. Locations This chapter introduces the location of the hardware components. Front view 2 2 1 4 5 3 6 7 8 9 10 11 12 Figure 1. Lenovo E49 and ZhaoYang E49 front view 1 Integrated camera (on some models) 7 Touch pad 2 Wireless antennas 8 Status indicators 1 3 Mute button (on some models) 9 B...

Right-side view 1 2 3 4 Figure 2. Lenovo E49 and ZhaoYang E49 right-side view 1 USB connector (on some models) 3 USB connector 2 Optical drive 4 Combo audio jack Rear view 1 Figure 3. Lenovo E49 and ZhaoYang E49 rear view 1 Power jack 74 Hardware Maintenance Manual

Bottom and left-side view 1 2 3 4 5 6 7 8 9 10 Figure 4. Lenovo E49 and ZhaoYang E49 bottom and left-side view 1 Battery latch (manual) 6 Monitor connector 2 Battery pack 7 Ethernet connector 3 Battery latch (spring-loaded) 8 HDMI port 4 Security keyhole 9 USB 3.0 connectors 5 Fan louvers 10 Bottom ...

Chapter 9. Parts list This chapter contains following lists of the service parts.• “Overall” on page 78 • “LCD FRUs” on page 81 • “Keyboard” on page 83 • “Miscellaneous parts” on page 83 • “ac power adapters” on page 83 • “Power cords” on page 84 Notes: • Each FRU is available for all types or model...

Overall 1 2 3 a 4 5 6 7 9 8 c b d 10 11 12 13 14 15 Table 3. Parts list—Overall No. FRU (Overall) FRU no. CRUID a-d See Miscellaneous parts 1 LCD unit (see “LCD FRUs” on page 81) 2 Hinge Door L+R 90200863 N 3 Power Board 90000247 N 3 LSS Power Board for E49A&G 90000315 N 4 Upper Case W/TP 902008...

Table 3. Parts list—Overall (continued) No. FRU (Overall) FRU no. CRUID 11 Microprocessor, Intel I3-3110M 2.4G L1 3M 2cPGA 1025003030A38405 N 11 Microprocessor, Intel B820 1.7G Q0 2M 2cPGA 102500350 N 11 Microprocessor, Intel B960 2.20G 2M 35W SNB PGA 1025001330A38285 N 11 Microprocessor, Intel B970...

Keyboard FRU FRU no. CRUID Chicony, CCY A4W9 US 84KEY Blueblack KBD 25203598 ** Sunrex, JME A4W9 US 84KEY Blueblack KBD 25203599 ** Miscellaneous parts Table 5. Parts list - System miscellaneous parts FRU FRU no. CRUID (b) ODD Bracket 90200862 N (c) ODD Bezel 90200861 N (d) HDD Bracket 90200868 N LC...

Table 8. Parts list—3-pin (90 W) ac power adapters FRU FRU no. CRUID Delta ADP-90DD BD, EuP model 3600194145N0217 * LITEON PA-1900-56LC, EuP model 3600192745N0221 * Chicony CPA-A090, EuP model 3600194245N0225 * Power cords A Lenovo power cord for a specific country or region is usually available onl...

Electronic emissions notices For electronic emission information on Class B digital devices, refer to the corresponding information inthe User Guide . Trademarks The following terms are trademarks of Lenovo in the United States, other countries or both: LenovoOneKey Windows is the trademark of the M...