Lenovo K4350 Hardware Maintenance Manual - Zhaoyang K4350
Lenovo K4350 Manual
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- Lenovo K4350 | Hardware Maintenance Manual - Zhaoyang K4350 - Page 1
Hardware Maintenance Manual Lenovo ZhaoYang K4350 and K4350A - Lenovo K4350 | Hardware Maintenance Manual - Zhaoyang K4350 - Page 2
and the product it supports, be sure to read the general information under Appendix A "Notices" on page 73. First Edition (April 2013) © Copyright Lenovo 2013. LIMITED AND RESTRICTED RIGHTS NOTICE: If data or software is delivered pursuant a General Services Administration "GSA" contract, use - Lenovo K4350 | Hardware Maintenance Manual - Zhaoyang K4350 - Page 3
Contents About this manual iii Chapter 1. Safety information 1 General safety 1 Electrical safety 1 Safety inspection guide 3 Handling devices charging 23 Checking the battery pack 23 Chapter 3. Important service information 25 Recovering the computer settings 25 Using passwords 25 Power - Lenovo K4350 | Hardware Maintenance Manual - Zhaoyang K4350 - Page 4
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safety guidelines and important notices for servicing the computer. Important: • This manual is intended only for trained service technicians who are familiar with Lenovo products. Use this manual to troubleshoot problems effectively. • Before servicing a Lenovo product, ensure that you read - Lenovo K4350 | Hardware Maintenance Manual - Zhaoyang K4350 - Page 6
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presents the following safety information that you need to be familiar with before you service a Lenovo notebook computer. • "General safety" on page 1 • "Electrical safety" on page 1 • "Safety inspection guide" on page 3 • "Handling devices that are sensitive to electrostatic discharge" on page - Lenovo K4350 | Hardware Maintenance Manual - Zhaoyang K4350 - Page 8
precautions when you work with very high voltages; Instructions for these precautions are in the safety sections of touching can cause personal injury and machine damage. • Do not service the following parts with the power on when they are removed from medical aid. 2 Hardware Maintenance Manual - Lenovo K4350 | Hardware Maintenance Manual - Zhaoyang K4350 - Page 9
required safety items were installed to protect users and service technicians from injury. This guide addresses only those items. You should use good hazard could be and whether you can continue without first correcting the problem. Consider these conditions and the safety hazards they present: • - Lenovo K4350 | Hardware Maintenance Manual - Zhaoyang K4350 - Page 10
grounding system, such as those listed below, to provide protection that meets the specific service requirement. Note: The use of a grounding system to guard against ESD damage is German • Hebrew • Japanese • Korean • Spanish • Traditional Chinese DANGER DANGER 4 Hardware Maintenance Manual - Lenovo K4350 | Hardware Maintenance Manual - Zhaoyang K4350 - Page 11
DANGER DANGER DANGER DANGER DANGER Chapter 1. Safety information 5 - Lenovo K4350 | Hardware Maintenance Manual - Zhaoyang K4350 - Page 12
DANGER 6 Hardware Maintenance Manual - Lenovo K4350 | Hardware Maintenance Manual - Zhaoyang K4350 - Page 13
Chapter 1. Safety information 7 - Lenovo K4350 | Hardware Maintenance Manual - Zhaoyang K4350 - Page 14
PERIGO PERIGO PERIGO PERIGO PERIGO PERIGO 8 Hardware Maintenance Manual - Lenovo K4350 | Hardware Maintenance Manual - Zhaoyang K4350 - Page 15
PERIGO PERIGO DANGER DANGER DANGER Chapter 1. Safety information 9 - Lenovo K4350 | Hardware Maintenance Manual - Zhaoyang K4350 - Page 16
DANGER DANGER DANGER DANGER DANGER VORSICHT 10 Hardware Maintenance Manual - Lenovo K4350 | Hardware Maintenance Manual - Zhaoyang K4350 - Page 17
VORSICHT VORSICHT VORSICHT VORSICHT Chapter 1. Safety information 11 - Lenovo K4350 | Hardware Maintenance Manual - Zhaoyang K4350 - Page 18
VORSICHT VORSICHT VORSICHT 12 Hardware Maintenance Manual - Lenovo K4350 | Hardware Maintenance Manual - Zhaoyang K4350 - Page 19
Chapter 1. Safety information 13 - Lenovo K4350 | Hardware Maintenance Manual - Zhaoyang K4350 - Page 20
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Chapter 1. Safety information 15 - Lenovo K4350 | Hardware Maintenance Manual - Zhaoyang K4350 - Page 22
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Chapter 1. Safety information 17 - Lenovo K4350 | Hardware Maintenance Manual - Zhaoyang K4350 - Page 24
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Chapter 1. Safety information 19 - Lenovo K4350 | Hardware Maintenance Manual - Zhaoyang K4350 - Page 26
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checkout instructions, ensure that you read the following important notes. Important notes: • Only certified trained personnel should service the electrostatic discharge, or software errors. Consider replacing a FRU only when a problem recurs. If you suspect that a FRU is defective, clear the error - Lenovo K4350 | Hardware Maintenance Manual - Zhaoyang K4350 - Page 28
activities: • Missing parts might be a symptom of unauthorized service or modification. • If the spindle of a hard disk pack supplies power when you turn on the computer. If you suspect a power problem, refer to the following topics for a checkout: • "Checking the ac power Maintenance Manual - Lenovo K4350 | Hardware Maintenance Manual - Zhaoyang K4350 - Page 29
• If the voltage is acceptable, do the following: a. Replace the system board. b. If the problem persists, call the Customer Support Center. Note: Noise from the ac power adapter does not always indicate a defect. Checking operational charging To check whether the battery pack charges properly - Lenovo K4350 | Hardware Maintenance Manual - Zhaoyang K4350 - Page 30
, even if the battery status indicator does not turn on. 5. Replace the system board if the new battery pack is not charged. 24 Hardware Maintenance Manual - Lenovo K4350 | Hardware Maintenance Manual - Zhaoyang K4350 - Page 31
Chapter 3. Important service information This chapter presents the following information: • "Recovering the computer settings" on page 25 • "Using passwords" on page 25 • "Power management" on page 26 Recovering - Lenovo K4350 | Hardware Maintenance Manual - Zhaoyang K4350 - Page 32
Attention: If you forget the password, there is no service procedure to reset the password. The system board must be replaced for a scheduled fee. • Power-on password: A power- it enters sleep mode. Wait a few seconds before taking any actions to reenter operation mode. 26 Hardware Maintenance Manual - Lenovo K4350 | Hardware Maintenance Manual - Zhaoyang K4350 - Page 33
file in the boot record on the hard disk drive is read, and the system status is restored from the hard disk drive. Chapter 3. Important service information 27 - Lenovo K4350 | Hardware Maintenance Manual - Zhaoyang K4350 - Page 34
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Chapter 4. Status indicators This topic presents the system status indicators that show the status of the computer. 3 21 Table 1. Status indicators Indicator 1 Active Protection System™ (APS) status indicator Meaning • White: The Active Protection System program is enabled. • Off: The Active - Lenovo K4350 | Hardware Maintenance Manual - Zhaoyang K4350 - Page 36
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Chapter 5. Fn key combinations The following table describes the functions of Fn key combinations. Table 2. Function key combinations Key combination Fn+Esc Fn+F1 Fn+F2 Fn+F3 Fn+F4 Fn+F5 Fn+F6 Fn+F7 Fn+F8 Fn+F9 Fn+F10 Fn+F11 Fn+F12 Fn+PgUp Fn+PrtSc Fn+PgDn Fn+Insert Fn + up/down arrow Fn + left/ - Lenovo K4350 | Hardware Maintenance Manual - Zhaoyang K4350 - Page 38
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Chapter 6. Locations This chapter provides information about component locations. Locating computer controls, connectors, and indicators This topic introduces the locations of the computer controls, connectors, and indicators. Front view 3 1 2 3 13 12 11 10 9 4 5 6 7 6 8 Figure 1. Front view 1 - Lenovo K4350 | Hardware Maintenance Manual - Zhaoyang K4350 - Page 40
service CRU. A Letter "N" in the CRU ID column means that the part is not a CRU. • CRU statement for customers: You can resolve some problems Manual. An electronic version of this manual can be found at http://www.lenovo.com/UserManuals. Follow the on-screen instructions to find the manual for - Lenovo K4350 | Hardware Maintenance Manual - Zhaoyang K4350 - Page 41
more than two screws. Examples of these types of CRUs include the ac power adapter, power cord, battery, and hard disk drive. Other self-service CRUs depending on product design might include the memory module, wireless card, keyboard, and palm rest with finger print reader and touch pad. - Optional - Lenovo K4350 | Hardware Maintenance Manual - Zhaoyang K4350 - Page 42
Lenovo ZhaoYang K4350 and K4350A models use a 356-mm (14.0-inch), high-definition (HD), light-emitting diode (LED), liquid crystal display (LCD). 36 Hardware Maintenance Manual - Lenovo K4350 | Hardware Maintenance Manual - Zhaoyang K4350 - Page 43
1 2 7 6 3 4 5 Table 4. LCD FRUs No. 1 2 3 4 5 6 7 FRU description LCD Bezel Hinges Camera and microphones board LCD cover Antennas LCD cable LCD panel CRU ID N N N N N N N Looking up FRU information For detailed FRU information, including part numbers, descriptions, and substitution part - Lenovo K4350 | Hardware Maintenance Manual - Zhaoyang K4350 - Page 44
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customers: You can resolve some problems with your product with a Manual. An electronic version of this manual can be found at http://www.lenovo.com/UserManuals. Follow the on-screen instructions to find the manual from the Lenovo Support Web site http://www.lenovo.com/support. • Before installing - Lenovo K4350 | Hardware Maintenance Manual - Zhaoyang K4350 - Page 46
If you are instructed to replace either the processor board or the system board, but the replacement does not solve the problem, reinstall the original vibration. • They are harder to tighten. Do the following when you are servicing the computer: • Keep the screw kit in your tool bag. • It Manual - Lenovo K4350 | Hardware Maintenance Manual - Zhaoyang K4350 - Page 47
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, called a "Customer Replaceable Unit" or "CRU." Some CRUs are designated as self-service CRUs and others - Lenovo K4350 | Hardware Maintenance Manual - Zhaoyang K4350 - Page 48
battery lock are in the locked positions. 1020 Bottom slot cover For access, remove this FRU: • "1010 Battery pack" on page 42 42 Hardware Maintenance Manual - Lenovo K4350 | Hardware Maintenance Manual - Zhaoyang K4350 - Page 49
Removal steps of the bottom slot cover Remove the screw 1 , and then remove the bottom slot cover 2 . 1 2 Step 1 Screw (quantity) M2 × 3 mm, flat-head, nylon-coated (1) 1030 Memory modules For access, remove these FRUs in order: • "1010 Battery pack" on page 42 • "1020 Bottom slot cover" on page - Lenovo K4350 | Hardware Maintenance Manual - Zhaoyang K4350 - Page 50
firmly installed in the slot and does not move easily. Note: If only one memory module is to be installed into the computer you are servicing, the memory module must be installed in SLOT-0 (slot a ), but not in SLOT-1 (slot b ). a b 44 Hardware Maintenance - Lenovo K4350 | Hardware Maintenance Manual - Zhaoyang K4350 - Page 51
possible. • Never remove the drive while the computer is operating or in suspend mode. • The drive startup sequence in the computer you are servicing might have been changed. Be extremely careful during write operations such as copying, saving, or formatting. If you select an incorrect drive, data - Lenovo K4350 | Hardware Maintenance Manual - Zhaoyang K4350 - Page 52
wireless LAN For access, remove these FRUs in order: • "1010 Battery pack" on page 42 • "1020 Bottom slot cover" on page 42 46 Hardware Maintenance Manual - Lenovo K4350 | Hardware Maintenance Manual - Zhaoyang K4350 - Page 53
Removal steps of the PCI Express Mini Card for wireless LAN In steps 1 , unplug the connectors by using the removal tool for the antenna RF connector or pick up the connectors with your fingers and gently unplug them. Then remove the screw 2 . 2 1 1 Step 2 Screw (quantity) M2 × 3 mm, flat-head, - Lenovo K4350 | Hardware Maintenance Manual - Zhaoyang K4350 - Page 54
Backup battery For access, remove these FRUs in order: • "1010 Battery pack" on page 42 • "1020 Bottom slot cover" on page 42 48 Hardware Maintenance Manual - Lenovo K4350 | Hardware Maintenance Manual - Zhaoyang K4350 - Page 55
Removal steps of the backup battery DANGER Use only the battery specified in the parts list for your computer. Any other battery could ignite or explode. Carefully pry the backup battery out using a screwdriver. 1080 Keyboard For access, remove these FRUs in order: • "1010 Battery pack" on page 42 - Lenovo K4350 | Hardware Maintenance Manual - Zhaoyang K4350 - Page 56
Push hard to unlatch the keyboard. 2 2 Carefully detach the keyboard and then lift it up until you can see how it is connected. 3 50 Hardware Maintenance Manual - Lenovo K4350 | Hardware Maintenance Manual - Zhaoyang K4350 - Page 57
Detach the keyboard connector, and then remove the keyboard. 6 4 5 When installing: Ensure that the keyboard connector is attached firmly. 1090 Keyboard bezel For access, remove these FRUs in order: • "1010 Battery pack" on page 42 • "1020 Bottom slot cover" on page 42 • "1080 Keyboard" on page 49 - Lenovo K4350 | Hardware Maintenance Manual - Zhaoyang K4350 - Page 58
-coated (10) M2 × 2.5 mm, flat-head, nylon-coated (3) Color Black Black Torque 0.181 Nm (1.85 kgf-cm) 0.181 Nm (1.85 kgf-cm) 52 Hardware Maintenance Manual - Lenovo K4350 | Hardware Maintenance Manual - Zhaoyang K4350 - Page 59
Remove the screws 3 , and then detach the connectors. 4 5 3 3 7 6 8 9 Step 3 Screw (quantity) M2 × 6 mm, flat-head, nylon-coated (2) Color Black When installing: Ensure that all the connectors are attached firmly. Torque 0.181 Nm (1.85 kgf-cm) Chapter 8. Removing or replacing a FRU 53 - Lenovo K4350 | Hardware Maintenance Manual - Zhaoyang K4350 - Page 60
board with cable Remove the screws 1 , and then remove the fingerprint board bracket 2 . 1 1 2 Step 1 Screw (quantity) M2 × 3 mm, flat-head, nylon-coated (2) 54 Hardware Maintenance Manual Color Black Torque 0.181 Nm (1.85 kgf-cm) - Lenovo K4350 | Hardware Maintenance Manual - Zhaoyang K4350 - Page 61
Remove the fingerprint board with the fingerprint board cable. 3 1120 Power board For access, remove these FRUs in order: • "1010 Battery pack" on page 42 • "1020 Bottom slot cover" on page 42 • "1040 Hard disk drive assembly" on page 45 • "1080 Keyboard" on page 49 • "1090 Keyboard bezel" on page - Lenovo K4350 | Hardware Maintenance Manual - Zhaoyang K4350 - Page 62
Removal steps of the media card reader slot board Detach the cables. 1 2 3 When installing: Ensure that the cables are attached firmly. 56 Hardware Maintenance Manual - Lenovo K4350 | Hardware Maintenance Manual - Zhaoyang K4350 - Page 63
Remove the screws 4 , and then remove the media card reader slot board. 4 4 5 4 Step 4 Screw (quantity) M2 × 3 mm, flat-head, nylon-coated (3) Color Black Torque 0.181 Nm (1.85 kgf-cm) 1140 System board assembly For access, remove these FRUs in order: • "1010 Battery pack" on page 42 • "1020 - Lenovo K4350 | Hardware Maintenance Manual - Zhaoyang K4350 - Page 64
can cause damage to the following components, and might cause a system malfunction. When you service the system board, avoid any kind of rough handling. a Graphics chip (for discrete graphics module assembly a b For models with a discrete thermal module assembly a b c 58 Hardware Maintenance Manual - Lenovo K4350 | Hardware Maintenance Manual - Zhaoyang K4350 - Page 65
Removal steps of the system board assembly Detach the connectors. 2 1 6 3 4 5 When installing: Ensure that all the connectors are attached firmly. Remove the screws 7 . 7 7 7 Step 7 Screw (quantity) M2 × 3 mm, flat-head, nylon-coated (3) Color Black Torque 0.181 Nm (1.85 kgf-cm) Chapter - Lenovo K4350 | Hardware Maintenance Manual - Zhaoyang K4350 - Page 66
assembly" on page 45 • "1080 Keyboard" on page 49 • "1090 Keyboard bezel" on page 51 • "1140 System board assembly" on page 57 60 Hardware Maintenance Manual - Lenovo K4350 | Hardware Maintenance Manual - Zhaoyang K4350 - Page 67
of 0.2 grams, on the part marked a and b as shown in the following illustrations. Either too much or too less application of grease can cause a thermal problem due to imperfect contact with a component. Chapter 8. Removing or replacing a FRU 61 - Lenovo K4350 | Hardware Maintenance Manual - Zhaoyang K4350 - Page 68
pack" on page 42 • "1020 Bottom slot cover" on page 42 • "1080 Keyboard" on page 49 • "1090 Keyboard bezel" on page 51 a b 62 Hardware Maintenance Manual - Lenovo K4350 | Hardware Maintenance Manual - Zhaoyang K4350 - Page 69
Removal steps of the speakers Remove the screws 1 , and then remove the speakers. 1 1 2 1 1 1 Step 1 Screw (quantity) M2 × 3.1 mm, flat-head, nylon-coated (5) Color Black Torque 0.181 Nm (1.85 kgf-cm) Chapter 8. Removing or replacing a FRU 63 - Lenovo K4350 | Hardware Maintenance Manual - Zhaoyang K4350 - Page 70
the LCD unit and the base cover Release the antenna cables from the cable guides. Remove the screws 1 . 11 1 1 1 1 Step 1 Screw ( Nm (4.0 kgf-cm) Cable routing: Route the antenna cables along the cable guides and secure the antenna boards with tapes. Attention: When you route the cables - Lenovo K4350 | Hardware Maintenance Manual - Zhaoyang K4350 - Page 71
Remove the LCD unit from the base cover. 2 2 Applying labels to the base cover The new base cover is shipped with a kit containing labels of several kinds. Apply the labels as shown in the following illustration when you replace the base cover. For the labels not shipped with the new base cover, - Lenovo K4350 | Hardware Maintenance Manual - Zhaoyang K4350 - Page 72
page 62 Removal steps of the DC-in connector Remove the DC-in connector bracket, and then remove the DC-in connector. 2 1 66 Hardware Maintenance Manual - Lenovo K4350 | Hardware Maintenance Manual - Zhaoyang K4350 - Page 73
2010 LCD front bezel For access, remove these FRUs in order: • "1010 Battery pack" on page 42 • "1160 Speakers, LCD unit and base cover" on page 62 Removal steps of the LCD front bezel Remove the screws 1 . 1 1 Step 1 Screw (quantity) M2 × 4 mm, flat-head, nylon-coated (2) Remove the LCD front - Lenovo K4350 | Hardware Maintenance Manual - Zhaoyang K4350 - Page 74
Battery pack" on page 42 • "1160 Speakers, LCD unit and base cover" on page 62 • "2010 LCD front bezel" on page 67 68 Hardware Maintenance Manual - Lenovo K4350 | Hardware Maintenance Manual - Zhaoyang K4350 - Page 75
Removal steps of the LCD panel and the LCD cable Remove the screws 1 , and then remove the LCD panel 2 . 1 1 2 1 1 Step 1 Screw (quantity) M2 × 2.5 mm, flat-head, nylon-coated (4) Turn over the LCD panel. Then detach the LCD cable. Color Black Torque 0.181 Nm (1.85 kgf-cm) 5 4 3 When - Lenovo K4350 | Hardware Maintenance Manual - Zhaoyang K4350 - Page 76
bezel" on page 67 • "2020 Camera and microphone board" on page 67 • "2030 LCD panel, LCD cable, and hinges" on page 68 70 Hardware Maintenance Manual - Lenovo K4350 | Hardware Maintenance Manual - Zhaoyang K4350 - Page 77
of the LCD rear cover assembly and from the hinges. 1 1 2 1 2 1 1 1 Cable routing: Route the antenna cables along the cable guides and secure the antenna boards with tapes. Attention: When you route the cables, ensure that they are not subject to any tension. Tension could damage - Lenovo K4350 | Hardware Maintenance Manual - Zhaoyang K4350 - Page 78
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evaluate and verify the operation of any other product, program, or service. Lenovo may have patents or pending patent applications covering subject matter document are not intended for use in implantation or other life support applications where malfunction may result in injury or death to persons - Lenovo K4350 | Hardware Maintenance Manual - Zhaoyang K4350 - Page 80
countries or both: Active Protection System Lenovo Lenovo logo OneKey Microsoft and Windows are trademarks of the Microsoft group of companies. Other company, product, or service names may be trademarks or service marks of others. 74 Hardware Maintenance Manual - Lenovo K4350 | Hardware Maintenance Manual - Zhaoyang K4350 - Page 81
- Lenovo K4350 | Hardware Maintenance Manual - Zhaoyang K4350 - Page 82
Part Number: Printed in China (1P) P/N: *1P*
Hardware Maintenance Manual
Lenovo ZhaoYang K4350 and K4350A