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Lenovo IdeaPad U41-70

1. 1070 LCD unit on page 44 1080 System board on page 46 1090 Speakers on page 49 1100 Power assembly Touchpad module and IO board on page 50 1110 LCD front bezel on page 52 1120 LCD panel LCD cable and hinges on page 54 Figure 13 Removal steps of integrated camera Note The integrated camera is stuck on the top center of the LCD cover Unplug the connector ll remove the integrated camera from the LCD cover in the direction shown by arrow g When installing Stick the integrated camera to the top center of the LCD cover and adjust the placement of it to make sure the connector is attached firmly Lenovo S41 U41 1140 Antenna assembly and LCD cover For access remove these FRUs in order 1010 Base cover on page 34 1020 Battery pack on page 36 1030 Hard disk drive on page 38 1040 PCI Express Mini Card for wireless LAN on page 40 1050 DIMM on page 42 1060 Fan assembly and heat sink assembly on page 43 1070 LCD unit on page 44 1080 System board on page 46 1090 Speakers on page 49 1100 Power assembly Touchpad module and IO board on page 50 1110 LCD front bezel on page 52 1120 LCD panel LCD cable and hinges on page 54 1130 Integrated camera on page 56 Figure 14 Removal steps of antenna assembly and LCD cover Note The integrated camera is stuck on the top cente
2. Processor See the system properties of your computer you can do this as follows Click Control Panel then click Hardware and Sound click Device Manager under Devices and Printers and double click Processors Bus architecture 1600MHz DDR3 SDRAM PC3 12800S PCI Express bus DMI Graphic Chipset Intel Baytrail M Display 14 0 inch Standard DDR3L 1333 MHz 1600 MHz max 8 GB memory CMOS 256 bytes SSHD SSHD 500 GB 8 GB or 1 TB 8 GB HDD 500 GB 1 TB SSD 256 GB Optical drive NA UO port Combo audio jack x 1 HDMI x 1 USB 2 0 port x 1 USB 3 0 port x 2 4 in 1 slot x 1 SD SDHC SDXC MMC 28 Lenovo S41 U41 Table 1 Specifications continued Feature Audio PCI Express Mini Card slot Bluetooth wireless Keyboard Touch pad Integrated camera Battery AC adapter Pre installed operating system Description 1 8 Stereo Headphone Output amp Microphone input combo jack Integrated Speakers Stereo x 2 Built in microphone x 2 1 slot Combined in combo card 6 Row Lenovo Keyboard Multi touch type 640 x 480 pixels 1 230 x 720 pixels 3 2 cells 45 Wh 30 Wh 20V 45 W 65 W Windows 8 1 29 7 Lenovo S41 U41 Hardware Maintenance Manual Status indicators indicators The system status indicators below show the computer status Table 2 Status indicators Indicator Battery status indicator Power status indicator 30 Indicator status On soli
3. India English U K English Italian Spanish Turkish Thai Portuguese Latin Canadian Bilingual En Fr Korean Traditional Chinese Russian French German Arabic Brazilian French Arabic Dutch Greek Hebrew Hungarian Nordic Belgian Icelandic Slovenian Swiss US international Czech amp Slovak Bulgarian India Lenovo S41 U41 P N SN20G63052 SN20H31168 SN20G63005 SN20G63029 SN20G63053 SN20G63075 SN20G63007 SN20G63031 SN20G63056 SN20G63022 SN20G63046 SN20G63070 SN20G62997 SN20G63023 SN20G63047 SN20G62897 SN20G62918 SN20G62941 SN20G62963 SN20G62984 SN20G62916 SN20G62940 SN20G62983 SN20G62913 SN20G62937 SN20G62960 SN20G62979 SN20G62907 SN20G62932 SN20G62953 SN20G62972 SN20H31164 SN20G62928 SN20G62950 SN20G62925 SN20G62947 SN20G62973 SN20G62902 SN20G62924 SN20G62946 SN20G62914 SN20G62936 SN20G62959 SN20G62980 SN20G62909 CRU ID z z z z iz z iz z ziz izizizizziziz z iziziziziziziziziziziziziziziziziziziziz iz iziziziziziz 69 Z Lenovo S41 U41 Hardware Maintenance Manual Table 6 Parts list Keyboard continued Language S41 70 Sunrex U41 70 BDW Backlight S41 70 Weg Nemal HSW 70 English English B U K English Italian Spanish Turkish Thai Portuguese Latin Canadian Bilingual En Fr Korean Traditional Chinese Russian French German Arabic Brazilian French Arabic Dutch Greek Hebrew Hungarian Nordic Belgian Iceland
4. viter tout risque de choc lectrique ne retirez pas le cache en plastique prot geant la partie inf rieure de la carte d alimentation Aus Sicherheitsgr nden die Kunststoffabdeckung die den unteren Teil der Spannungswandlerplatine umgibt nicht entfernen POVINN nv3n DN PONY PN mbnwnnn nna 75 Pann 090995 SY PONIA IPIN DN Jaan Per evitare scosse elettriche non rimuovere la copertura in plastica che avvolge la parte inferiore della scheda invertitore RED STI ARA H KOPFRERBLCWSZT IAF YZ D IR ETUNTS BEV Para evitar descargas no quite la cubierta de pl stico que rodea la parte baja de la tarjeta invertida Safety notice 7 DANGER Though the main batteries have low voltage a shorted or grounded battery can produce enough current to burn personnel or combustible materials Bien que le voltage des batteries principales soit peu lev le court circuit ou la mise la masse d une batterie peut produire suffisamment de courant pour br ler des mat riaux combustibles ou causer des br lures corporelles graves Obwohl Hauptbatterien eine niedrige Spannung haben k nnen sie doch bei Kurzschluf oder Erdung genug Strom abgeben um brennbare Materialien zu entz nden oder Verletzungen bei Personen hervorzurufen DINO 7113 nnn mys IN NVUNIN MINOAV IN 331535 PAVN 05 PONT NDIY np5NY3 YN NINPA t gt t 33n nnYn YN MIND Sebbene le batterie di alimentazione siano a basso voltaggio una batteria in corto circuit
5. Do not disassemble a standby battery recharge it throw it into fire or water or short circuit it Dispose of the battery as required by local ordinances or regulations Use only the battery in the appropriate parts listing Use of an incorrect battery can result in ignition or explosion of the battery Certaines batteries de secours contiennent du nickel et du cadmium Ne les d montez pas ne les rechargez pas ne les exposez ni au feu ni l eau Ne les mettez pas en court circuit Pour les mettre au rebut conformez vous la r glementation en vigueur Lorsque vous remplacez la pile de sauvegarde ou celle de l horloge temps r el veillez n utiliser que les modeles cit s dans la liste de pi ces d tach es ad quate Une batterie ou une pile inappropri e risque de prendre feu ou d exploser Die Bereitschaftsbatterie die sich unter dem Diskettenlaufwerk befindet kann geringe Mengen Nickel und Cadmium enthalten Sie darf nicht zerlegt wiederaufgeladen kurzgeschlossen oder Feuer oder Wasser ausgesetzt werden Bei der Entsorgung die rtlichen Bestimmungen f r Sonderm ll beachten Beim Ersetzen der Bereitschafts oder Systembatterie nur Batterien des Typs verwenden der in der Ersatzteilliste aufgef hrt ist Der Einsatz falscher Batterien kann zu Entz ndung oder Explosion f hren mop N MIS NIDA 23530 MANO nian MINO 2425 yx ODIT 593 SY IN UND A IN POWAY WINA NIN PIVI ADDON DN PIVI v AMN 5xp5 YN Dd W a nypnn DPIN pn
6. by arrow SS DIMM 1 T811202 07ZZOR94BE4WH AE When installing Insert the notched end of the DIMM into the socket Push the DIMM firmly and pivot it until it snaps into the place Make sure that it is firmly fixed in the slot and difficult to be moved 42 Lenovo S41 U41 1060 Fan assembly and heat sink assembly For access remove these FRUs in order 1010 Base cover on page 34 1020 Battery pack on page 36 Figure 6 Removal steps of fan assembly and heat sink assembly Unplug the fan connector in the direction shown by arrow Bil Loosen the screws Lift the fan assembly and heat sink assembly in the direction shown by arrow El Be careful not to damage the connector When installing Make sure that the connector is attached firmly 43 y d Lenovo S41 U41 Hardware Maintenance Manual 1070 LCD unit For access remove these FRUs in order 1010 Base cover on page 34 1020 Battery pack on page 36 Figure 7 Removal steps of LCD unit Remove the screws WM Detach LCD connector in the direction shown by arrow g Step Screw quantity Color Torque M2 x 4 mm flat head nylok coated 4 Silver 1 85 0 15 kgfcm Hinge to Upper 44 Lenovo S41 U41 Figure 7 Removal steps of LCD unit continued Open the hinges El then remove the upper case from the LCD unit in the direction shown by arrow l 45 7 Lenovo S41 U41 Hardware Maintenance Manual 1
7. specific environment Trademarks 78 The following terms are trademarks or registered trademarks of Lenovo in the United States other countries or both Lenovo OneKey Microsoft and Windows are trademarks of Microsoft Corporation in the United States other countries or both Other company products or service names may be trademarks or service marks of others
8. LCD Bezel W S41 70 Black LCD Bezel W S41 70 White Panel LGD LP140WHU TPBJ HD AG S LED1 NB LCD Panel SDC LTN140AT31 401 HD AG S LED1 NB LCD Panel AUO B140XTNO2 E HWOA HD AG S NB Panel INX N140BGE EA3 HD AG S NB Panel AUO B140HTNO1 4 FHD AG SLED1 NB LCD Panel CMI N140HGE EAA FHD AG SLED1 NB LCD Panel BOE HB140FH1 401 FHD AG SLED1 NB LCD Hinge W S41 70 LCD Cable W S41 70 W Sensor Board LCD Cover W S41 70 Black LCD Cover W S41 70 White LCD Cover W S41 70 Silver LCD Cover W S41 70 Red LCD Cover W S41 70 Orange Camera BIS BNC416YTK HD NB camera Camera AVC HAA 6D0F03 HD NB camera Camera CCY CNFEH39 HD NB camera Camera BIS BNC7VTKTD 0 3M NB camera Camera LTN 4SFO15N2 0 3M NB camera Camera AVC HAA 584B01 0 3M NB camera Antenna W S41 70 Main AUX FRU no 5B30H71445 5B30H71402 5D10G81620 18200901 5D10G95364 5D10G94548 18201579 18201580 18201581 5H50H71440 5C10H71427 5CB0H71453 5CB0H71410 5CB0H71426 5CB0H71444 5CB0H71403 5C20G89272 5C20G89276 5C20G89264 5C20G89273 5C20G89274 5C20G89267 5C10H75692 Lenovo S41 U41 CRU S41 70 ID U41 70 HSW BDW N e N e e e N D e N e N D N e N e N N D N D N e N e N e N e N e N N D D N N N D e N N e 41 35 41 75 67 Z Lenovo S41 U41 Hardware Maintenance Manual English U K English Italian Spanish Turkish Thai Portuguese Latin Canadian Bilingual En Fr Korean
9. Traditional Chinese Russian French German Arabic Brazilian French Arabic Dutch Greek Hebrew Hungarian Nordic Belgian Icelandic Slovenian Swiss US international Czech amp Slovak Bulgarian India English English B U K English Italian Spanish Turkish Thai Portuguese Keyboard Table 6 Parts list Keyboard Language Chicony Normal S41 70 U41 70 BDW Chicony Backlight 68 Latin Canadian Bilingual En Fr Korean Traditional Chinese Russian French German Arabic P N SN20G62931 SN20G62900 SN20G62922 SN20G62954 SN20G62974 SN20G62905 SN20G62926 SN20G62949 SN20G62970 SN20G62901 SN20G62923 SN20G62958 SN20G62975 SN20G62929 SN20G62951 SN20G62985 SN20H31173 SN20G62939 SN20G62962 SN20G62981 SN20G62911 SN20G62935 SN20G62955 SN20G62978 SN20G62910 SN20G62968 SN20G62899 SN20G62921 SN20G62944 SN20G62966 SN20G63065 SN20G63040 SN20G63064 SN20G62994 SN20G63018 SN20G63043 SN20G63021 SN20G63045 SN20G63069 SN20G62999 SN20G63041 SN20G63066 SN20G62995 SN20G63042 SN20G63003 SN20G63027 CRU ID z 2e 2z2 2z z z z z e z ze ze 2z z z z z z z z z z z z z z z z z z z z ze e e z 2z 2 2z 2 z z z z z Table 6 Parts list Keyboard continued Language S41 70 U41 70 BDW Chicony Backlight continued Sunrex Normal Brazilian French Arabic Dutch Greek Hebrew Hebrew Nordic Belgian Icelandic Slovenian Swiss US international Czech amp Slovak Bulgarian
10. between your feet 3 Use a slow lifting force Never move suddenly or twist when you attempt to lift it 4 Lift it by standing or pushing up with your leg muscles this action could avoid the strain from the muscles in your back Do not attempt to lift any object that weighs more than 16 kg 35 Ib or that you think is too heavy for you Do not perform any action that causes hazards to the customer or that makes the machine unsafe Before you start the machine make sure that other service representatives and the customer are not in a hazardous position Please remove covers and other parts in a safe place away from all personnel while you are servicing the machine Keep your toolcase away from walk areas so that other people will not trip over it Do not wear loose clothing that can be trapped in the moving parts of the machine Make sure that your sleeves are fastened or rolled up above your elbows If your hair is long fasten it Insert the ends of your necktie or scarf inside clothing or fasten it with the nonconductive clip about 8 centimeters 3 inches from the end Do not wear jewelry chains metal frame eyeglasses or metal fasteners for your clothing Attention Metal objects are good electrical conductors Wear safety glasses when you are hammering drilling soldering cutting wire attaching springs using solvents or working in any other conditions that may be hazardous to your eyes After servic
11. board continued Remove the system board in the direction shown by arrow l 48 Lenovo S41 U41 1090 Speakers For access remove these FRUs in order 1010 Base cover on page 34 1020 Battery pack on page 36 1030 Hard disk drive on page 38 1040 PCI Express Mini Card for wireless LAN on page 40 1050 DIMM on page 42 1060 Fan assembly and heat sink assembly on page 43 1070 LCD unit on page 44 1080 System board on page 46 Figure 9 Removal steps of speakers Lift the speakers in the direction shown by arrows I When installing Make sure that the connectors are attached firmly 49 y d Lenovo S41 U41 Hardware Maintenance Manual 1100 Power assembly Touchpad module and IO board For access remove these FRUs in order 1010 Base cover on page 34 1020 Battery pack on page 36 1030 Hard disk drive on page 38 1040 PCI Express Mini Card for wireless LAN on page 40 1050 DIMM on page 42 1060 Fan assembly and heat sink assembly on page 43 1070 LCD unit on page 44 1080 System board on page 46 1090 Speakers on page 49 Figure 10 Removal steps of power assembly touchpad module and 10 board Remove the power assembly in the direction shown by arrow Ml Remove screws WM and then remove the touchpad module in the direction shown by arrow Step Screw quantity Color Torque H M2 x
12. is sensitive to physical shock Improper handling can cause damages and permanent loss of data Before removing the drive suggest the customer to backup all the information on it if possible Never remove the drive while the system is operating or is in suspend mode Figure 3 Removal steps of hard disk drive Remove the frame fixing screws WM Step Screw quantity Color Torque H M2 x 2 5 mm flat head nylok coated 3 Black 1 85 0 15 kgf cm HDD to Upper Remove the hard disk drive in the direction shown by arrow 38 Lenovo S41 U41 Figure 3 Removal steps of hard disk drive continued Remove four screws El and detach the metal frame from the hard disk drive Step Screw quantity Color Torque M3 0 x 4 mm flat head nylokcoated 4 Silver 4 0 3kgfcm HDD to HDD BRKT When installing Make sure that the HDD connector is attached firmly 39 y d Lenovo S41 U41 Hardware Maintenance Manual 1040 PCI Express Mini Card for wireless LAN For access remove these FRUs in order 1010 Base cover on page 34 1020 Battery pack on page 36 Important The preinstalled WLAN module may only be replaced with a Lenovo approved module in order to comply with FCC and IC regulations Refer to Overall on page 62 for Lenovo part numbers for the approved modules Figure 4 Removal steps of PCI Express Mini Card for wireless LAN Disconnect the two wireless LAN cables black
13. models you also need to apply one or two FCC labels Check the old base cover if it has one or two FCC labels find duplicates of them in the label kit and apply them to the new base cover For the location of each label refer to the following figure 35 y d Lenovo S41 U41 Hardware Maintenance Manual 1020 Battery pack For access remove this FRU 1010 Base cover on page 34 A DANGER Only use the battery specified in the parts list for your computer Any other battery could ignite or explode Figure 2 Removal steps of battery pack Detach IO board connector in the direction shown by arrows and 36 Lenovo S41 U41 Figure 2 Removal steps of battery pack continued Unplug the battery connector El and remove the screws l Then remove the battery pack in the direction shown by arrow Step Screw quantity Color Torque M2 x 2 5 mm flat head nylok coated 2 Black 1 85 0 15 kgf cm Bty to Upper When installing Make sure that the battery connector is attached firmly 37 y d Lenovo S41 U41 Hardware Maintenance Manual 1030 Hard disk drive For access remove these FRUs in order 1010 Base cover on page 34 1020 Battery pack on page 36 Attention Do not drop the hard disk drive or apply any physical shock to it The hard disk drive
14. your work area Examples of these hazards are moist floors nongrounded power extension cables power surges and missing safety grounds Do not touch live electrical circuits with the reflective surface of a plastic dental mirror The surface is conductive such touching can cause personal injury and machine damage Do not service the following parts with the power on when they are removed from their normal operating places in a machine Power supply units Pumps Blowers and fans Motor generators and similar units This practice ensures correct grounding of the units If an electrical accident occurs Caution do not become a victim yourself Switch off the power Send the victim to get medical aid About this manual Safety inspection guide 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 those items You should use good judgment to identify potential safety hazards according to the attachment of non Lenovo features or options not covered by this inspection guide If any unsafe conditions are present you must determine how serious the apparent hazard could be and whether you can continue without first correcting the problem Consider these conditions and the safety ha
15. 080 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 any kind During the whole process make sure not to drop or stack the system board If you put a system board down make sure to put it only on a padded surface such as an ESD mat or conductive corrugated material For access remove these FRUs in order 1010 Base cover on page 34 1020 Battery pack on page 36 1030 Hard disk drive on page 38 1040 PCI Express Mini Card for wireless LAN on page 40 1050 DIMM on page 42 1060 Fan assembly and heat sink assembly on page 43 1070 LCD unit on page 44 46 Lenovo S41 U41 Figure 8 Removal steps of system board Remove screws ll and H Detach touch pad connector and keyboard connectors in the directions shown by arrows El and H unplug speakers and DC IN connector in the direction shown by arrow El When installing Make sure that all the connectors are attached firmly Step Screw quantity Color Torque M2 x 2 5 mm flat head nylok coated 1 Black 1 85 0 15 kgfcm MB to Upper a M2 x 4 mm flat head nylok coated 1 Black 1 85 0 15 kgfcm MB to Upper 47 y d Lenovo S41 U41 Hardware Maintenance Manual Figure 8 Removal steps of system
16. 2 mm flat head nylok coated 2 Silver 1 85 0 15 kgfcm 50 Lenovo S41 U41 Figure 10 Removal steps of power assembly touchpad module and IO board continued Remove screw M and then remove the IO board in the direction shown by arrow Step Screw quantity Color Torque H M2 x 4 mm flat head nylok coated 1 Silver 1 85 0 15 kgfcm 51 y d Lenovo S41 U41 Hardware Maintenance Manual 1110 LCD front bezel For access remove these FRUs in order 1010 Base cover on page 34 1020 Battery pack on page 36 1030 Hard disk drive on page 38 1040 PCI Express Mini Card for wireless LAN on page 40 1050 DIMM on page 42 1060 Fan assembly and heat sink assembly on page 43 1070 LCD unit on page 44 1080 System board on page 46 1090 Speakers on page 49 1100 Power assembly Touchpad module and IO board on page 50 Figure 11 Removal steps of LCD front bezel Remove LCD bezel screw pad ll and the screws Step Screw quantity Color Torque M2 x 2 5 mm flat head nylok coated 2 Black 1 85 0 15 kgfcm LCD Hinge Cap to LCD cover 52 Lenovo S41 U41 Figure 11 Removal steps of LCD front bezel continued Remove the LCD front bezel in the direction shown by arrows El 53 y d Lenovo S41 U41 Hardware Maintenance Manual 54 1120 LCD panel LCD cable and hinges For access remove these FRUs in order 1010 Base cover on page
17. 26 CRU ID 75 Z Lenovo S41 U41 Hardware Maintenance Manual 76 Table 10 Parts list 2 pin power cords continued Region CE e VOLEX M2511 HO3VV F VAC5S 1m Switzerland VOLEX MP232 HO3VV F VAC5S 1m UK e VOLEX MP5004 H03VV F VAC5S 1m UK lux 0031 HO3VV F 0 75 3C 0011 1m CE lux 0033 HO3VV F 0 75 3C 0011 1m UL lux 0014 SPT 2 60 C 18 3C 0016 1m CCC lux 0036 RVV 300 300 0 75 3C 0002 1m Indian lux 0046 IS694 0 75 3C 0011 1m Japan lux 0018 E VCTF 0 75 3C 0021 1m Australia lux 0038 HO3VV F 0 75 3C 0011 1m Taiwan lux 0019 VCTF 0 75 3C 0021 1m Korea lux 0033 HO3VV F 0 75 3C 0011 1m Italy lux 0029 HO3VV F 0 75 3C 0011 1m Africa lux 0044 HO3VV F 0 75 3C 0011 1m Brazil lux 0034 HO3VV F 0 75 3C 0011 1m Israel lux 0041 HO3VV F 0 75 3C 0011 1m Switzerland lux 0027 HO3VV F 0 75 3C 0011 1m Denmark lux 0048 HO3VV F 0 75 3C 0011 1m Argentina lux 0040 HO3VV F 0 75 3C 0011 1m P N 145000525 145000524 145000605 145500000 145500001 145500002 145500003 145500004 145500005 145500006 145500007 145500008 145500009 145500010 145500011 145500012 145500013 145500014 145500015 CRU ID 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 ref
18. 3 14 14 14 14 14 8GB DDR3L 1600 MT16KTF1G64HZ 1G6E1 8GB DDR3L 1600 8G 1 8GBDDRIIIL1600 DC IN Cable W S41 70 Speaker W S41 70 1 0 Board W S41 70 W Cable Battery Tesla SP A L14M2P21 7 4V30Wh2cell Div Battery Tesla SP C L14M2P21 7 4V30Wh2cell bty Battery Tesla SP A L14M3P21 11 1V45Wh3cell Div Battery Tesla SP C L14M3P21 11 1V45Wh3cell Div Touchpad W S41 70 Black W Cable Touchpad W S41 70 SilverW Cable Touchpad W S41 70 White WI Cable Touchpad W S41 70 W C NFC Black Touchpad W S41 70 W C NFC White Touchpad KGDFF0118A Touchpad TM03071 001 04x69x1 0 0 5 NFC Touchpad SA469D22H4 04x69x1 0 0 5 NFC Lower Case W S41 70 Black Lower Case W S41 70 White Lower Case W S41 70 Silver Lower Case W S41 70 Red Lower Case W S41 70 Orange FRU no 11201304 5C10H71415 5SB0H71443 5C50H71409 5B10G78612 5B10G78610 5B10G78611 5B10G78609 5T60H71457 5T60H71435 5T60H71400 5T60H71424 5T60H71450 5T60G97 154 5T60G93110 5T60G93109 5CBOH7 1448 5CB0H71404 5CB0H71437 5CB0H71455 5CB0H71412 Lenovo S41 U41 CRU S41 70 ID U41 70 HSW BDW N D N e N e N e N D e N D e N e N e N D N D N D N D N D N D e N e N e N e N e N e N e N e 41 35 41 75 65 y d Lenovo S41 U41 Hardware Maintenance Manual LCD FRUs In Lenovo S41 U41 the type of LCD is 14 0 inch high definition HD 66 Table 5 Parts list 14 0 inch LCD FRUs No FRU h O O1 O1 O1 o o
19. 34 1020 Battery pack on page 36 1030 Hard disk drive on page 38 1040 PCI Express Mini Card for wireless LAN on page 40 1050 DIMM on page 42 1060 Fan assembly and heat sink assembly on page 43 1070 LCD unit on page 44 1080 System board on page 46 1090 Speakers on page 49 1100 Power assembly Touchpad module and IO board on page 50 1110 LCD front bezel on page 52 Figure 12 LCD panel LCD cable and hinges Remove screws WM y Step Screw quantity Color Torque H M2 0 x 2 5 mm flat head nylok coated 4 Black 1 85 0 15 kgfcm Lenovo S41 U41 Figure 12 LCD panel LCD cable and hinges continued Disconnect the connector El lift the LCD panel in the direction shown by arrow g Lg When installing Make sure that the connector is attached firmly Remove six screws EM and the hinges in the direction shown by arrows El nun 111 TT Step Screw quantity Color Torque H M2 0 x 2 mm flat head nylok coated 6 Black 1 85 0 15 kgfcm 55 y d Lenovo S41 U41 Hardware Maintenance Manual 56 1130 Integrated camera For access remove these FRUs in order 1010 Base cover on page 34 1020 Battery pack on page 36 1030 Hard disk drive on page 38 1040 PCI Express Mini Card for wireless LAN on page 40 1050 DIMM on page 42 1060 Fan assembly and heat sink assembly on page 43
20. 45050A7E660 6G 7mm 5 4K 500G HDD 7 HDD TSB MQ01ABF050 6G 7mm 5 4K 500G HDD 7 HDD ST500LM000 6G 7mm 500G 8G S 7 HDD WD10SPCX 24HWST1 6G 7mm 1T HD 7 HDD HTS541010A7E630 7mm SHD D 5400rpm 1T HDD 7 HDD TSB MQ02ABF100 6G 7mm 5 4k 1TB HDD 7 HDD WD10S21X 24R1BTO 7mm 5400rpm 1TB 8G SSHD 7 SSD MZYTE256HMHP 2 5 5mm SSD 7 SSD RTNMB256VBM8EWXL 2 5 256GB 5mm SSD 8 4GB DDR3L 1600 M471B5173EB0 YKO 4G 1 4GBD DRIIIL1600 8 4GB DDR3L 1600 HMT451S6BFR8A PB RD 4GB DDR3L 1600 4G 1 4GBD DRIIIL1600 8 4GB DDR3L 1600 9F 1600 RMT3170MN68F N die 25nm 4Gb 4G 1 4GBD 8 4GB DDR3 MT8KTF51264HZ DDR3L 1600 DRIIIL1600 1G6E1 4GB 4G 1 4GBD 8 8GB DDR3 DRIIIL1600 L 160 L 160 Mono 0 0 M471B1G73EB0 YKO 8G 1 8GBD 8 8GB DDR3 HMT41GS6 L 160 DRIIIL1600 0 BFR8A PB RD 8GB DDR3L 1600 8G 1 8GBD 8 8GB DDR3 RMT3160ME68FAF 1600 8GB DDR3L 1600 8G 1 8GBDDRIIIL1600 L 160 DRIIIL1600 0 16200395 5H20H14223 16200433 16200391 16200554 16200658 5H20G09709 16200681 5SD0G58918 5SD0G84635 5M30G 18425 11202706 5M30G75129 11202125 5M30G 18424 11202707 11202450 CRU S41 70 ID U41 70 HSW BDW N D N D e e D N D e N N D N e N N D N N N D N D N D e N D e N N D N S41 35 S41 75 Table 4 Parts list Overall continued No FRU 10 11 12 13 13 13 13 1
21. F LS 18 1m Denmark 145000566 x Longwell LP 40 HO3VV F LS 18 1m Switzerland 145000565 amp Longwell LP 37 HO3VV F LS 18 1m Brazil 145000564 i Longwell LP 46 HO3VV F LS 18 1m 74 Table 10 Parts list 2 pin power cords continued Region Israel Longwell LP 41 HO3VV F LS 18 1m UL Longwell LP 30B SPT 2 18AWG LS 18 1m UK Longwell LP 61L HO3VV F LS 18 1m Indian Longwell LP 67 BIS LS 18 1m Italy Longwell LP 22 HO3VV F LS 18 1m Korea Longwell LP 486 KTLHO3VV F LS 5 1m Australia Longwell LP 23A LFC 3R LS 18 1m Taiwan Longwell LP 71 VCTF LS 33 1m Japan Longwell LP 54 VCTF LS 18 1m Africa Longwell LP 39 HO3VV F LS 18 1m CE Longwell LP 34A HO3VV F LS 18 1m CCC VOLEX GB10S3 RVV 300 500 VAC5S 1m UL e Volex US15S3 SPT 2 VAC5S 1m Italy VOLEX IT10S3 HO3VV F VAC5S 1m Denmark VOLEX MP233D HO3VV F VAC5S 1m Korea e VOLEX M2511 KETI IEC VAC5S 1m Australia e VOLEX AU10S3 HO3VV F VAC5S 1m Taiwan VOLEX TW15CS3 VCTF VAC5S 1m Japan VOLEX VAC5S VCTF M755 1m Argentina VOLEX VA2073 HO3VV F VAC5S 1m Brazil VOLEX CH10S3 HO3VV F VAC5S 1m Israel VOLEX SI16S3 HO3VV F VAC5S 1m Lenovo S41 U41 P N 145000563 145000562 145000561 145000560 145000559 145000558 145000557 145000556 145000555 145000554 145000553 145000538 145000537 145000535 145000534 145000533 145000532 145000531 145000530 145000528 145000527 1450005
22. LTES Antes de quitar una FRU apague el sistema desenchufe todos los cables de las tomas de corriente el ctrica quite la bateria y a continuaci n desconecte cualquier cable de conexi n entre dispositivos 13 Z Lenovo S41 U41 Hardware Maintenance Manual Laser compliance statement 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 it is certified in the U S to conform to the requirements of the Department of Health and Human Services 21 Code of Federal Regulations DHHS 21 CFR Subchapter J for Class 1 laser products Elsewhere the drive is certified to conform to the requirements of the International Electrotechnical Commission IEC 825 and CENELEC EN 60 825 for Class 1 laser products If a CD ROM drive a DVD ROM drive or another laser device is installed note the following A CAUTION Use of controls or adjustments or performance of procedures other than those specified herein might result in hazardous radiation exposure O uso de controles ajustes ou desempenho de procedimentos diferentes daqueles aqui especificados pode resultar em perigosa exposig o radiag o ARAE BEER ME TA RESETEAR Pour viter tout risque d exposition au rayon laser respectez les consignes de r glage et d utilisation des commandes ai
23. U S41 70 41 35 No NERY FRUno jp om Suz HSW BDW 3 MB W S41 70NOKI7 5B20H91076 N R 5500N16VGM2G B 3 MB W S41 70W8SI7 5B20H91096 N s 5500N16VGM2G B 3 MB W S41 70W8PI7 5B20H91088 N 1 5500N16VGM2G B 3 MB W S41 70 NOK 13 4005 UMA 5B20H91080 N D HSW 3 MB W S41 70 W8S 13 4005 UMA 5B20H91100 N e HSW 3 MB W S41 70 W8P 13 4005 UMA 5B20H91092 N D HSW 3 MB W S41 70NOKI3 4005N16V 5B20H91085 N x GM2GH 3 MB W S41 70W8SI3 4005N16V 5B20H91077 N n GM2GH 3 MB W S41 70W8PI3 4005N16V 5B20H91098 N K GM2GH 3 MB W S41 70NOKI3 4030N16V 5B20H91090 N A GM2GH 3 MB W S41 70W8SI3 4030N16V 5B20H91079 N GM2GH 3 MB W S41 70W8PI3 4030N16V 5B20H91099 N s GM2GH 4 WirelessLan Non Intel Cbt 20200480 BCM4352 2x2AC BT4 0 PCIE N e M 2 WLAN 4 WirelessLan Non Intel Ltn SW10A11630 NFA344 2x2AC BT4 0 PCIE M 2 N WLAN V2 4 WirelessLan_Intel Intel 3160 SW10A11511 1x1AC BT PCIE M 2 ROM N D WLAN 4 WirelessLan_Non_Intel Cbt SW10A11586 BCM43162 1x1AC BT4 0 PCIE N e M 2 WLAN V2 4 WirelessLan_Non_Intel Ltn SW10A11628 NFA345 1x1AC BT4 0 PCIE M 2 N e e WLAN V2 4 WirelessLan_Non_Intel Ltn 20200558 NFA335 1x1BN BT4 0 PCIE M 2 N e WLAN Thermal Module W 841 70 DIS 5H40H71451 N e 6 Thermal Module W S41 70 UMA 5H40H71401 N e 63 Z Lenovo S41 U41 Hardware Maintenance Manual 64 Table 4 Parts list Overall continued No FRU FRU no 7 HDD ST500LT012 6G 7mm 5 4K 16200383 500G HDD 7 HDD WD5000LPCX 24C6HTO 7 HDD HTS5
24. a m y WINI DPIN 153 AYAINA n55yo3 p wnnwnb DIY ANN ND NINDI WIN V ANIMAN n95Yon bw MINNANN IN ANDY 09535 Alcune batterie di riserva contengono una piccola quantita di nichel e cadmio Non smontarle ricaricarle gettarle nel fuoco o nell acqua n cortocircuitarle Smaltirle secondo la normativa in vigore DPR 915 82 successive disposizioni e disposizioni locali Quando si sostituisce la batteria dell RTC real time clock o la batteria di supporto utilizzare soltanto i tipi inseriti nell appropriato Catalogo parti L impiego di una batteria non adatta potrebbe determinare l incendio o l esplosione della batteria stessa PR TU OPED ROH E FR VABEFENTWS ONU X3 LEBOT PASTOR BIB KERO RHODES Elia REED I LIALTAT RSV NY TU ERTS aa Ge lt ew MR i ARON YT EU BEL EEN Wanted at Ao FDR KUEU B LKVFATL VET Algunas baterias de reserva contienen una pequefia cantidad de niquel y cadmio No las desmonte ni recargue ni las eche al fuego o al agua ni las cortocircuite Des chelas tal como dispone la normativa local Utilice s lo baterias que se encuentren en la lista de piezas La utilizacion de una bateria no apropiada puede provocar la ignici n o explosion de la misma About this manual 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 o
25. ake sure that the machine model and the FRU part number are correct by referring to the FRU parts list An FRU should not be replaced just because of a single unreproducible failure Single failures can occur for a variety of reasons that have nothing to do with a hardware defect such as cosmic radiation electrostatic discharge or software errors Consider replacing an FRU only when a problem recurs If you suspect that an FRU is defective clear the error logs and run the test again If the error does not recur do not replace the FRU Be careful not to replace a nondefective FRU 19 Z Lenovo S41 U41 Hardware Maintenance Manual What to do first 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 servicer Date of service Date on which the machine failed Date of purchase Procedure index and page number in which the failing FRU was detected Failing FRU name and part number Machine type model number and serial number Customer s name and address ir QE eoo Note for warranty During the warranty period the customer may be responsible for repair costs if the computer damage was caused by misuse accident modification unsuitable physical or operating environment or improper maintenance by the customer The following is a list of some common items that are not covered under warranty and som
26. ause a system malfunction Attention When handling a system board Do not drop the system board or apply any excessive force to it Avoid rough handling of any kind Avoid bending the system board and hard pushing to prevent cracking at each BGA Ball Grid Array chipset 17 Lenovo S41 U41 Hardware Maintenance Manual Important information about replacing RoHS compliant FRUs 18 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 RoHS requirements must be implemented on Lenovo products placed on the market after June 2006 Products on the market before June 2006 are not required to have RoHS compliant parts If the original FRU parts are non compliant replacement parts can also be non compliant In all cases if the original FRU parts are RoHS compliant the replacement part must also be RoHS compliant Note RoHS and non RoHS FRU part numbers with the same fit and function are identified with unique FRU part numbers Lenovo plans to transit to RoHS compliance well before the implementation date and expects its suppliers to be ready to support Lenovo s requirements and schedule in the EU Products sold in 2005 and 2006 will contain some RoHS compliant FRUs The following statement pertains to these products and any product Lenovo produces containing RoHS compliant FRUs RoHS complian
27. ce 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 17 Important information about replacing RoHS compliant FRUs on page 18 Important BIOS and device driver fixes are customer installable The BIOS and device drivers are posted on the customer support site http support lenovo com Strategy for replacing FRUs for replacing FRUs Before replacing parts Make sure that all software fixes drivers and BIOS downloads are installed before replacing any FRUs listed in this manual After a system board is replaced ensure that the latest BIOS is loaded to the system board before completing the service action To download software fixes drivers and BIOS follow the steps below 1 Go to http support lenovo com 2 Enter the serial number or select a product or use Lenovo smart downloading 3 Select the BIOS Driver Applications and download 4 Follow the directions on the screen and install the necessary software 16 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 computer
28. d to get access to the BIOS and change the system configuration 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 24 Related service information Power management management Note Power management modes are not supported for an APM operating system To reduce power consumption the computer has two power management modes screen blank and sleep standby Screen blank state If the time set on the Turn off monitor timer in the operating system expires the LCD backlight turns off You can also turn off the LCD backlight by pressing ex To end screen blank state and resume normal operation press E Putting the computer to sleep or shutting it down When you have finished working with your computer you can put it to sleep or shut it down Putting your computer to sleep If you will be away from your computer for only a short time put the computer to sleep When the computer is in sleep mode you can quickly wake it to resume use bypassing the startup process To put the computer to sleep do one of the following Close the display lid Press the power button Open the charms bar and then select Settings E Power Sleep Note Put your computer to sleep before you move it Moving your computer while the hard disk drive is spinning can damage the hard disk causing loss of data To wake the comput
29. d white Solid amber Fast blinking amber Slow blinking amber Slow blinking white On solid white Blinking Off Meaning The battery has more than 20 charge The battery has between 5 and 20 charge The battery has less than 5 charge The battery is being charged When battery charge reaches 20 the blinking color changes to white The battery has between 20 and 80 charge and is still charging When the battery reaches 80 charge the light will stop blinking but charging will continue until the battery is fully charged The computer is powered on The computer is in sleep mode The computer is powered off Lenovo S41 U41 Fn key combinations key combinations The following table describes the functions of Fn key combinations Table 3 Function key combinations lt ER F1 E Mutes unmutes the sound Decreases the volume level Increases the volume level Closes the currently active window Refreshes the desktop or the currently active window Enables disables the touch pad Enables disables Airplane mode Displays all currently active apps Turns on off the backlight of the LCD screen Toggles the display between the computer and an external device Decreases display brightness Increases display brightness 31 Lenovo S41 U41 Hardware Maintenance Manual FRU replacement notices replacement notices This sectio
30. diarla o gettarla in acqua Smaltirla secondo la normativa in vigore DPR 915 82 successive disposizioni e disposizioni locali L impiego di una batteria non adatta potrebbe determinare l incendio o l esplosione della batteria stessa JfvA AvTV lH KR RR RED OO CARE H i AYIT IT NYT V ORE COMETAS F ORVAL RYT V ARBOR 100 C 212 F Vl E BERI EMO PERITO CCS K VW RYT Y ABRES SRAM A REDRA C S REV BD Y VARIHSONYTY HEUER LTC ESV Roky UE BATSL A7T7UBFERUICO BBLEVTSILBSVET La bateria de repuesto es una bateria de litio y puede provocar incendios explosiones o quemaduras graves No la recargue ni quite el conector polarizado ni la desmonte ni caliente por encima de los 100 C 212 F ni la incinere ni exponga el contenido de sus celdas al agua Des chela tal como dispone la normativa local About this manual 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 affichage cristaux liquides se brise et que vous recevez dans les yeux ou sur les mains une partie du fluide rincez les abondamment pendant au moins quinze minutes Consultez un m decin si des sympt mes persistent apr s le lavage Die Leuchtstoffr hre im LCD Bildschirm enth lt Quecksilber Bei der Entsorgung die rtlichen Besti
31. e reinstall all safety shields guards labels and ground wires Replace any safety device that is worn or defective Reinstall all covers correctly before returning the machine to the customer Fan louvers on the machine help to prevent the overheating of internal components Do not obstruct fan louvers or cover them with labels or stickers About this manual Electrical safety 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 customers have rubber floor mats near their machines that contain small conductive fibers to decrease electrostatic discharges Do not use such kind of mat to protect yourself from electrical shock Find the room emergency power off EPO switch disconnecting switch or electrical outlet If an electrical accident occurs you can then operate the switch or unplug the power cord quickly Do not work alone under hazardous conditions or near the equipment that has hazardous voltages Disconnect all power before Performing a mechanical inspection Working near power supplies Removing or installing main units Before you start to work on the machine unplug the power cord If you cannot unplug it ask the customer to power off the wall box that supplies power to the mach
32. e following sections The common sections provide general information guidelines and safety information required for servicing computers The product specific section includes service reference and product specific parts information Important This manual is intended only for trained servicers who are familiar with Lenovo products Use this manual to troubleshoot problems effectively Before servicing a Lenovo product make sure to read all the information under Safety information on page and Important service information on page 16 Safety information Safety Information This chapter presents the following safety information that you need to get familiar with before you service a Lenovo Yoga 2 13 computer General safety on page 2 Electrical safety on page 3 Safety inspection guide on page 5 Handling devices that are sensitive to electrostatic discharge on page 6 Grounding requirements on page 6 Safety notices multilingual translations on page 7 Laser compliance statement on page 14 Z Lenovo S41 U41 Hardware Maintenance Manual General safety 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 slipping 2 Distribute the weight of the object equally
33. e symptoms that might indicate that the system was subjected to stress beyond normal use Before checking problems with the computer determine whether the damage is covered under the warranty by referring to the following list The following are not covered under warranty LCD panel cracked from the application of excessive force or from being dropped Scratched cosmetic parts Distortion deformation or discoloration of the cosmetic parts Plastic parts latches pins or connectors that have been cracked or broken by excessive force Damage caused by liquid spilled into the system Damage caused by the improper insertion of a PC Card or the installation of an incompatible card Improper disk insertion or use of an optical drive Diskette drive damage caused by pressure on the diskette drive cover foreign material in the drive or the insertion of a diskette with multiple labels Damaged or bent diskette eject button Fuses blown by attachment of a nonsupported device Forgotten computer password making the computer unusable Sticky keys caused by spilling a liquid onto the keyboard Use of an incorrect AC adapter on laptop products The following symptoms might indicate damage caused by nonwarranted activities Missing parts might be a symptom of unauthorized service or modification Ifthe spindle of a hard disk drive becomes noisy it may have been subjected to excessive force or dropped 20 Ge
34. er do the following Press the power button 25 7 Lenovo S41 U41 Hardware Maintenance Manual Shutting down the computer If you are not going to use your computer for a long time shut it down To shut down your computer do one of the following Open the charms bar and then select Settings E Power gt Shut down 26 Related service information Right click the Start button in the lower left corner and select Shut down or sign out Shut down Programs and Features Mobility Center Power Options Event Viewer System Device Ma Computer Management Command Prompt Command Prompt Admin Task Manager Control Panel File Explorer Sign out Search Sleep Run Shut down STI em Desktop Ml On the Start screen click and select Shut down Note This operation depends on your BIOS settings Please refer to the actual product 27 Z Lenovo S41 U41 Hardware Maintenance Manual Lenovo S41 U41 This chapter presents the following product specific service references and product specific parts information Specifications on page 27 Status indicators on page 29 Fn key combinations on page 30 FRU replacement notices on page 31 Removing and replacing an FRU on page 32 Locations on page 58 Parts list on page 60 Specifications The following table lists the specifications of the Lenovo S41 U41 Table 1 Specifications Feature Description
35. erence to a Lenovo product program or service is not intended to state or imply that only that Lenovo product program or service may be used Any functionally equivalent product program or service that does not infringe any Lenovo intellectual property right may be used instead However it is the user s responsibility to evaluate and verify the operation of any other product program or service Lenovo may have patents or pending patent applications covering subject matter described in this document The furnishing of this document does not give you any license to these patents LENOVO GROUP LTD PROVIDES THIS PUBLICATION AS IS WITHOUT WARRANTY OF ANY KIND EITHER EXPRESS OR IMPLIED INCLUDING BUT NOT LIMITED TO THE IMPLIED WARRANTIES OF NON INFRINGEMENT MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE Some jurisdictions do not allow disclaimer of express or implied warranties in certain transactions therefore this statement may not apply to you This information could include technical inaccuracies or typographical errors Changes are periodically made to the information herein these changes will be incorporated in new editions of the publication Lenovo may make improvements and or changes in the product s and or the program s described in this publication at any time without notice The products described in this document are not intended for use in implantation or other life support applications where malfunction may r
36. esult in injury or death to persons The information contained in this document does not affect or change Lenovo product specifications or warranties Nothing in this document shall operate as an express or implied license or indemnity under the intellectual property rights of Lenovo or third parties All information contained in this document was obtained in specific environments and is presented as an illustration The result obtained in other operating environments may vary Lenovo may use or distribute any of the information you supply in any way it believes appropriate without incurring any obligation to you Any references in this publication to non Lenovo Web sites are provided for convenience only and do not in any manner serve as an endorsement of those Web sites The materials at those Web sites are not part of the materials for this Lenovo product and use of those Web sites is at your own risk 77 Z Lenovo S41 U41 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 no guarantee that these measurements will be the same on generally available systems Furthermore some measurements may have been estimated through extrapolation Actual results may vary Users of this document should verify the applicable data for their
37. ic Slovenian Swiss US international Czech amp Slovak Bulgarian India English U K English Italian Spanish Turkish Thai Portuguese Latin Canadian Bilingual En Fr Korean Traditional Chinese Russian French German Arabic Brazilian French Arabic P N SN20G63071 SN20G62998 SN20G63024 SN20G63054 SN20G63077 SN20G63004 SN20G63048 SN20G63078 SN20G63006 SN20G63030 SN20G63057 SN20G62987 SN20G63009 SN20G63033 SN20G63058 SN20G62989 SN20G63011 SN20H31163 SN20G63013 SN20G63037 SN20G63061 SN20G62991 SN20G63015 SN20G63016 SN20G63068 SN20G62996 SN20G63020 SN20G63049 SN20G63073 SN20G63001 SN20G63026 SN20G62931 SN20G62900 SN20G62922 SN20G62954 SN20G62974 SN20G62905 SN20G62926 SN20G62949 SN20G62970 SN20G62901 SN20G62923 SN20G62958 SN20G62975 SN20G62929 SN20G62951 SN20G62985 SN20H31173 CRU ID z z z z z ziziziziziziz iziz iziziziziziziz iziz izizizizizizizizizizizizziziziziziziziziziziziziz Table 6 Parts list Keyboard continued Language S41 70 U41 70 HSW Chicony Normal continued Sunrex Normal Dutch Greek Hebrew Hungarian Nordic Belgian Icelandic Slovenian Swiss US international Czech amp Slovak Bulgarian India English U K English Italian Spanish Turkish Thai Portuguese Latin Canadian Bilingual En Fr Korean Traditional Chinese Russian French German Arabic Brazilian French Arabic Dutch Greek Hebrew Hungarian Nordic Belgian Icela
38. ine and to lock the wall box in the off position If you need to work on a machine that has exposed electrical circuits observe the following precautions Ensure that another person familiar with the power off controls is near you Attention Another person must be there to switch off the power if necessary Use only one hand when working with powered on electrical equipment keep the other hand in your pocket or behind your back Attention An electrical shock can occur only when there is a complete circuit By observing the above rule you may prevent a current from passing through your body When using testers set the controls correctly and use the approved probe leads and accessories for that tester Stand on suitable rubber mats obtained locally if necessary to insulate you from grounds such as metal floor strips and machine frames Observe the special safety precautions when you work with very high voltages instructions for these precautions are in the safety sections of maintenance information Be extremely careful when you measure the high voltages Regularly inspect and maintain your electrical hand tools for safe operational condition Do not use worn or broken tools and testers Never assume that power has been disconnected from a circuit First check it to make sure that it has been powered off Z Lenovo S41 U41 Hardware Maintenance Manual Always look carefully for possible hazards in
39. is 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 2 3 Do not attempt to service any computer unless you have been trained and certified An untrained person runs the risk of damaging parts Before replacing any FRU review FRU replacement notices on page 31 Begin by removing any FRUs that have to be removed before the failing FRU Any of such FRUs are listed at the top of the page Remove them in the order in which they are listed Follow the correct sequence in the steps to remove the FRU as given in the figures by the numbers in square callouts When turning a screw to replace an FRU turn it in the direction as given by the arrow in the figure When removing the FRU move it in the direction as given by the arrow in the figure To put the new FRU in place reverse the removal procedures and follow any of the notes that pertain to replacement For information about connecting and arranging internal cables see Locations on page 58 When replacing an FRU use the correct screw as shown in the procedures A DANGER Before removing any FRU turn off the computer unplug all power cords from electrical outlets remove the battery pack and then disconnect any of the interconnecting cables Attention After replacing an FRU do not turn on the computer until you have made sure that all screws springs and
40. l 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 there is a difference in charge between objects Protect against ESD damage by equalizing the charge so that the machine the part the work mat and the person handling the part are all at the same charge Notes 1 Use product specific ESD procedures when they exceed the requirements noted here 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 skin to eliminate static on your body Prevent the part from touching your clothing Most clothing is insulative and retains a charge even when you are wearing a wrist strap Use the black side of a grounded work mat to provide a static free work surface The mat is especially useful when handling ESD sensitive devices Select a 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 desirable but not necessary Attach the ESD ground clip to any frame ground ground braid or green wire grou
41. lenovo Lenovo S41 U41 S41 35 S41 70 S41 75 U41 70 Hardware Maintenance Manual Notes Before using this information and the product it supports be sure to read the general information under Notices on page 71 First Edition March 2015 Copyright Lenovo 2015 All rights reserved LIMITED AND RESTRICTED RIGHTS NOTICE If data or software is delivered pursuant a General Services Administration GSA contract use reproduction or disclosure is subject to restrictions set forth in Contract No GS 35F 05925 2015 Lenovo Contents About this manual iv Safety information 1 General safety Electrical safety Safety inspection guide a aaa aaa an 5 Handling devices that are sensitive to electrostatic discharge Grounding requirements Safety notices multilingual translations 7 Laser compliance statement 14 Important service information 16 Strategy for replacing FRUS 16 Strategy for replacing a hard disk drive 17 Important notice for replacing a system board eee aet dee tese lere eder 17 Important information about replacing RoHS compliant FRUs General checkout What to do first Power system checkout Checking the AC adapter Checking operational chargi
42. mmungen fiir Sondermiill beachten Der LCD Bildschirm besteht aus Glas und kann zerbrechen wenn er unsachgem f behandelt wird oder der Computer auf den Boden f llt Wenn der Bildschirm besch digt ist und die darin befindliche Fliissigkeit in Kontakt mit Haut und Augen ger t sollten die betroffenen Stellen mindestens 15 Minuten mit Wasser abgespiilt und bei Beschwerden anschlie end ein Arzt aufgesucht werden 9192 NA TOMA Timo 5m 12 LCD ON WYN TOM ON TUNA 002 PN D yYon YN AN 1904 DOT YN DIPY OY D y3yn DYNDN ON MNI I NW n23j 139 mne MPT 15 NY OWN INNI DIVI Drun DY y nnn Nel caso che caso l LCD si dovesse rompere ed il liquido in esso contenuto entrasse in contatto con gli occhi o le mani lavare immediatamente le parti interessate con acqua corrente per almeno 15 minuti poi consultare un medico se i sintomi dovessero permanere LCD MKE L LCD OP OWA AI AD 0 FIRE V LEYSIR W RARE TE BRA DIR S E b 15 AVE EL C lt Tes Vy PE UICN TM Eo TIO ORERE RNEER EMOR lt 72 EL Si la LCD se rompe y el fluido de su interior entra en contacto con sus ojos o sus manos lave inmediatamente las areas afectadas con agua durante 15 minutos como minimo Obtenga atenci n medica si se presenta algun sintoma del fluido despues de lavarse 11 Lenovo S41 U41 Hardware Maintenance Manual 12 Safety notice 6 N DANGER To avoid shock do not remove the plastic cover that protects the lower part of the inverter card Afin d
43. n 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 is addressed with special nylon coated screws that have the following characteristics They maintain tight connections They do not easily come loose even with shock or vibration They are harder to tighten Do the following when you service this machine Keep the screw kit in your tool bag Carefully remove screws for reuse when replacing FRUs Use a torque screwdriver if you have one Tighten screws as follows Plastic to plastic Turn an additional 90 after the screw head touches the surface of the plastic part more than 90 A Cross section Logic card to plastic Turn an additional 180 after the screw head touches the surface of the logic card more than 180 5 Cross section Torque driver If you have a torque screwdriver refer to the Torque column for each step Make sure that you use the correct screws If you have a torque screwdriver tighten all screws firmly to the torque shown in the table Carefully remove screws for reuse when replacing FRUs Make sure that all screws are tightened firmly Ensure torque screwdrivers are calibrated correctly following country specifications 32 Lenovo S41 U41 Removing and replacing an FRU Th
44. nd When working on a double insulated or battery operated system use an ESD common ground or reference point You can use coax or connector outside shells on these systems Use the round ground prong of the ac plug on ac operated computers Grounding requirements requirements Electrical grounding of the computer is required for operator safety and correct system function Proper grounding of the electrical outlet can be verified by a certified electrician About this manual Safety notices multilingual translation 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 parts are in place and are not left loose inside the computer Verify this by shaking the computer and listening for rattling sounds Metallic parts or metal flakes can cause electrical shorts Avant de remettre l ordinateur sous tension apr s remplacement d une unit en client le v rifiez que tous les ressorts vis et autres pi ces sont bien en place et bien fix es Pour ce faire secouez l unit et assurez vous qu aucun bruit suspect ne se produit Des pi ces m talliques ou des copeaux de m tal pourraient causer un court circuit Bevor nach einem FRU Austausch der Computer wieder angeschlossen wird mu sichergestellt werden da keine Schrauben Fede
45. ndic Slovenian Swiss US international Czech amp Slovak Bulgarian India Lenovo S41 U41 P N SN20G62939 SN20G62962 SN20G62981 SN20G62911 SN20G62935 SN20G62955 SN20G62978 SN20G62910 SN20G62968 SN20G62899 SN20G62921 SN20G62944 SN20G62966 SN20G62897 SN20G62918 SN20G62941 SN20G62963 SN20G62984 SN20G62916 SN20G62940 SN20G62983 SN20G62913 SN20G62937 SN20G62960 SN20G62979 SN20G62907 SN20G62932 SN20G62953 SN20G62972 SN20H31164 SN20G62928 SN20G62950 SN20G62925 SN20G62947 SN20G62973 SN20G62902 SN20G62924 SN20G62946 SN20G62914 SN20G62936 SN20G62959 SN20G62980 SN20G62909 CRU ID z z z z z iz iz z z z iziz iziziziz iz iz iz iziziziziziziziziziziziz iz iziziziziziziziziziziz 71 Z Lenovo S41 U41 Hardware Maintenance Manual Miscellaneous parts Table 7 Parts list Miscellaneous parts S41 70 S41 35 FRU PIN CRU ID F E System miscellaneous parts a HDD Bracket W S41 70 5B40H71441 N b DC IN Bracket W S41 70 5B40H71420 Note Italicized letters in parentheses are references to the exploded view in Overall on page 62 Screw Table 8 Parts list screws S41 70 S41 35 FRU PIN CRUD el E Screw Pack W S41 70 5810H71407 N 72 AC adapters Table 9 Parts list AC adapters FRU P N Adapter Liteon ADLX45NLC3A 36200606 20V2 25A adap CMN Adapter Chicony ADLX45NCC3A 36200610 20V2 25A adap CMN Adapter Delta ADLX45NDC3A 36200602 20V2 25A adap CMN Adapter Li
46. neral checkout Power system checkout system checkout To verify a symptom follow the steps below Turn off the computer Connect the AC adapter Make sure that power is supplied when you turn on the computer Turn off the computer Disconnect the AC adapter Make sure that the battery pack supplies power when you turn on the computer 9 9v mo NS If you suspect a power problem see the appropriate power supply checkout Checking the AC adapter on page 21 Checking operational charging on page 21 Checking the AC adapter You are here because the computer fails only when the AC adapter is used If the power on indicator does not turn on check the power cord of the AC adapter for correct continuity and installation If the computer does not charge during operation go to Checking operational charging To check the AC adapter follow the steps below 1 Unplug the AC adapter cable from the computer 2 Measure the output voltage at the plug of the AC adapter cable See the following figure i Pin Voltage V DC 1 20 we Et E Note Output voltage for the AC adapter pin No 2 may differ from the one you are servicing 3 If the voltage is not correct replace the AC adapter 4 If the voltage is acceptable do the following Replace the system board Ifthe problem persists go to Lenovo Yoga 2 13 on page 27 Note Noise from the AC adapter does not always indica
47. ng Related service information 23 Restoring the factory contents by using OneKey Recovery Restore of factory default Passwords Power on password Hard disk password Supervisor password Power management Screen blank state Putting the computer to sleep or shutting it down Putting your computer to sleep v Shutting down the computer Lenovo S41 U41 Specifications Status indicators Fn key combinations FRU replacement notices Screw notices Removing and replacing an FRU 1010 Base cover 1020 Battery pack 1030 Hard disk drive 1040 PCI Express Mini Card for wireless 1050 DIMM casual io 42 1060 Fan assembly and heat sink assembly 43 1070 LCD unit 1080 System board P 1090 Speakers m 1100 Power assembly Touchpad module and IO 1110 LCD front bezel 1120 LCD panel LCD cable and hinges 1130 Integrated camera 1140 Antenna assembly and LCD cover Locations Front view and right side view Bottom and Left side view Parts list Overall LCD FRUs Keyboard Miscellaneous parts AC adapters Power cords Notices Trademarks lii About this manual iV This manual contains service and reference information for the following Lenovo product Lenovo S41 U41 Use this manual to troubleshoot problems The manual is divided into th
48. nly the battery in the appropriate parts listing when replacing the battery pack Use of an incorrect battery can result in ignition or explosion of the battery La batterie contient du nickel Ne la d montez pas ne l exposez ni au feu ni l eau Ne la mettez pas en court circuit Pour la mettre au rebut conformez vous la r glementation en vigueur Lorsque vous remplacez la batterie veillez n utiliser que les modeles cit s dans la liste de pi ces d tach es ad quate En effet une batterie inappropri e risque de prendre feu ou d exploser Akkus enthalten geringe Mengen von Nickel Sie d rfen nicht zerlegt wiederaufgeladen kurzgeschlossen oder Feuer oder Wasser ausgesetzt werden Bei der Entsorgung die rtlichen Bestimmungen fiir Sondermiill beachten Beim Ersetzen der Batterie nur Batterien des Typs verwenden der in der Ersatzteilliste aufgef hrt ist Der Einsatz falscher Batterien kann zu Entziindung oder Explosion f hren 973 9 mop mys 535 NIHON INI PIV n975Yon TANI DN 7595 PN 017347 DN DIVY V YDYN 9879 YN 09129 YN UND YDYN mynn 99 VITI AINA NIINON TINA MIDA p Unnunb v a nypnn tepinm NON ynta ANNAN DPINA musa NWN DIY DNI NI 077103 VIV n279n TINI JAINA DV mssann IN ANA 053 La batteria contiene piccole quantit di nichel Non smontarla gettarla nel fuoco o nell acqua n cortocircuitarla Smaltirla secondo la normativa in vigore DPR 915 82 successive disposizioni e disposizioni locali Quando si
49. nsi que les proc dures d crites Werden Steuer und Einstellelemente anders als hier festgesetzt verwendet kann gef hrliche Laserstrahlung auftreten Az itt eldirt elj r sokt l be llitasokt l s vez rl sekt l elt rni a lezersugarzas vesz lye miatt kockazatos L utilizzo di controlli regolazioni o l esecuzione di procedure diverse da quelle specificate possono provocare l esposizione a Ucnonb30BaHve anemeHTOB HacTpo ku U BbIMONHEHME npoue lyp VHbIX YEM yKa3aHo 3Hecb MOXeT MPUBECTU K ONACHOMY paguauvoHHomy O NyyeHuto PouZitie kontr l prav alebo in ch vykonan od in ch vyrobcov ako je v tomto Specifikovan mohlo by mat za n sledok nebezpe enstvo vystavenia sa vyZiarovaniu AE CHESNEAAUAD 2 FERCH O WR dE ETNIA A TO JE LO BUR Of DO ET El uso de controles o ajustes o la ejecuci n de procedimientos distintos de los aqu especificados puede provocar la exposici n a radiaciones peligrosas Opening the CD ROM drive the DVD ROM drive or any other optical storage device could result in exposure to hazardous laser radiation There are no serviceable parts inside those drives Do not open 14 About this manual 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 N DANGER Emits visible and invisible laser radiation when open Do not stare into the beam do not view directly with optical inst
50. o o a massa pu fornire corrente sufficiente da bruciare materiali combustibili o provocare ustioni ai tecnici di manutenzione RAY KRYFV OBEIMES Cb Ya bli TL T y R EAI CIT CRADLE TREO EIO EM H KEE ET Aunque las baterias principales tienen un voltaje bajo una bateria cortocircuitada o con contacto a tierra puede producir la corriente suficiente como para quemar material combustible o provocar quemaduras en el personal About this manual Safety notice 8 A 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 unit remplagable en client le mettez le syst me hors tension d branchez tous les cordons d alimentation des socles de prise de courant retirez la batterie et d connectez tous les cordons d interface Die Stromzufuhr mu abgeschaltet alle Stromkabel aus der Steckdose gezogen der Akku entfernt und alle Verbindungskabel abgenommen sein bevor eine FRU entfernt wird ann DN mao W ynw9s FRU 71990 9399 NSYn gn PU HN DINA 939 25 AN pm DANN VAN 9939 PNY TN AINON TIND NN NINI V DN Prima di rimuovere gualsiasi FRU spegnere il sistema scollegare dalle prese elettriche tutti i cavi di alimentazione rimuovere la batteria e poi scollegare i cavi di interconnessione FRU 0787 R E ThinkPad DERE WC TATOM KEE YI DALTSBEEV RC y TU ep 7 AL THIR 7 V BA
51. other small parts are in place and none are loose inside the computer Verify this by shaking the computer gently and listening for rattling sounds Metallic parts or metal flakes can cause electrical short circuits Attention The system board is sensitive to and can be damaged by electrostatic discharge Before touching it establish personal grounding by touching a ground point with one hand or using an electrostatic discharge ESD strap P N 6405959 to remove potential shock reasons 33 V A Lenovo S41 U41 Hardware Maintenance Manual 1010 Base cover Figure 1 Removal steps of base cover Remove the screws Bl Then remove the base cover Step Screw quantity Color Torque H M2 x 6 mm flat head nylok coated 10 Silver 1 85 0 15 kgf cm Lower to Upper 34 Lenovo S41 U41 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 labels The following labels need to be peeled off from the old base cover and put on the new base cover Barcode label China Rating label Rating label print GML label BT label for US CA TW or WLAN label for US CA TW KR KCC label Indonesia D side label or Indonesia postel label BIS label for India BT label for Israel or WLAN label for Israel BRAZIL BT or WLAN label for Brazil WLAN label for South Africa Es Eu Eu ES SI EU EI Polo For some
52. r all types or models unless specific types or models are specified 60 Lenovo S41 U41 Overall 61 Z Lenovo S41 U41 Hardware Maintenance Manual Table 4 Parts list Overall CRU S41 70 41 35 No ERU FRUno ID U4i 70 S41 75 HSW BDW a b See Miscellaneous parts on N D e page 72 1 LCD unit see LCD FRUs on N e e page 66 2 Upper Case W S41 70 W KB 5CB0H71431 N Black US 2 Upper CaseWS41 70W KB Black 5CB0H71452 N 8 BKL US 2 Upper Case W S41 70 W KB 5CBOH71421 A N e Silver US 2 Upper CaseW S41 70 W KB SLR 5CB0H71439 N BKL US 2 Upper Case W S41 70 W KB 5CB0H71399 N x White US 3 MB W S41 70 NOK 13 5010 UMA 5B20H91081 N e BDW 3 MB W S41 70 W8S 13 5010 UMA 5B20H91094 N e BDW 3 MB W S41 70 W8P 13 5010 UMA 5B20H91083 N e BDW 3 MB W S41 70 NOK 15 5200 UMA 5B20H91075 N e BDW 3 MB W S41 70 W8S 15 5200 UMA 5B20H91095 N e BDW 3 MB W S41 70 W8P 15 5200 UMA 5B20H91087 N e BDW 3 MB W S41 70NOKI7 5B20H91078 N 5500N16SGT2G B 3 MB W S41 70W8SI7 5B20H91097 N e 5500N16SGT2G B 3 MB W S41 70W8PI7 5B20H91089 N 5500N16SGT2G B 3 MB W S41 70NOKI5 5B20H91082 N 5200N16VGM2G B 3 MB W S41 7 W8SI5 5B20H91074 N 5200N16VGM2G B 3 MB W S41 70W8PI5 5B20H91093 N 5200N16VGM2G B 3 MB W S41 70NOKI5 5B20H91086 N W 5200N16SGT2G B 3 MB W S41 70W8SI5 5B20H91091 N 5 5200N16SGT2G B 3 MB W S41 70W8PI5 5B20H91084 N 5200N16SGT2G B 62 Lenovo S41 U41 Table 4 Parts list Overall CR
53. r of the LCD cover Peel off the adhesive tapes securing the antenna boards release the cables from the cable guide and then remove the antenna assembly in the direction shown by arrows WM When installing Route the antenna cables along the cable guides and secure the antenna boards with adhesive tapes As you route the cables make sure that they are not subjected to any tension Tension could cause the cables to be damaged by the cable guides or a wire to be broken 57 7 Lenovo S41 U41 Hardware Maintenance Manual Locations O AD Front view and right side view Wl Integrated camera on select models Built in microphones Computer display Wireless LAN antennas Power button Note For the description of each indicator see Status indicators on page 30 B Touch pad Novo button El USB 3 0 port El RJ 45 port HDMI port 58 Lenovo S41 U41 Bottom and Left side view H Speakers Ventilation slots Kensington slot AC power adapter jack USB 2 0 port Bl Memory card slot Combo audio jack El Battery status indicator El Power status indicator 59 Z Lenovo S41 U41 Hardware Maintenance Manual ESES This section presents the following service parts Overall on page 61 LCD FRUS on page 66 Keyboard on page 68 Miscellaneous parts on page 72 Screw on page 72 AC adapters on page 73 Power cords on page 74 Notes Each FRU is available fo
54. rn oder andere Kleinteile fehlen oder im Geh use vergessen wurden Der Computer muf gesch ttelt und auf Klapperger usche gepr ft werden Metallteile oder splitter k nnen Kurzschliisse erzeugen NT W FRU n22nn ANN awnnn NIYIN 592 NNI DINN D 0p DPN VIP o an DDW NTI 979 AWN TNA 1119 o vsin DPN 00253 pu MP 52 DwPNd AUNNN AN 20202 W NNI Dron DSP DINI DIIY NINA 120 YN OPIN Prima di accendere l elaboratore dopo che stata effettuata la sostituzione di una FRU accertarsi che tutte le viti le molle e tutte le altri parti di piccole dimensioni siano nella corretta posizione e non siano sparse all interno dell elaboratore Verificare ci scuotendo l elaboratore e prestando attenzione ad eventuali rumori eventuali parti o pezzetti metallici possono provocare cortocircuiti pericolosi FRU 031 17En 20 EWE AN SAIC AU AK TOMO NET Eken Lv MEZ 0 ERIC RON CRA CRU AER L TCR DIA Ota lt WF 4 DT LD LAN NOMME E F BER FAA za ORRERI LENET Antes de encender el sistema despues de sustituir una FRU compruebe que todos los tornillos muelles y demas piezas pequefias se encuentran en su sitio y no se encuentran sueltas dentro del sistema Comprucbelo agitando el sistema y escuchando los posibles ruidos que provocar an Las piezas met licas pueden causar cortocircuitos el ctricos Lenovo S41 U41 Hardware Maintenance Manual Safety notice 2 N DANGER Some standby batteries contain a small amount of nickel and cadmium
55. ruments and avoid direct exposure to the beam Radia o por raio laser ao abrir Nao olhe fixo no feixe de luz n o olhe diretamente por meio de instrumentos ticos e evite exposig o direta com o feixe de luz FANZARA VEZURTAUSOUUOR HORE MEP FAR RAE MORAL e Rayonnement laser si carter ouvert vitez de fixer le faisceau de le regarder directement avec des instruments optiques ou de vous exposer au rayon Laserstrahlung bei ge ffnetem Ger t Nicht direkt oder ber optische Instrumente in den Laserstrahl sehen und den Strahlungsbereich meiden Kinyit skor l zersug r Ne n zzen bele se szabad szemmel se optikai eszk z kkel Keriilje a sug rnyal bbal val rintkez st Aprendo l unit vengono emesse radiazioni laser Non fissare il fascio non gt guardarlo direttamente con strumenti ottici e evitare l esposizione diretta al fascio OrkpbiBas 6epervrecb nasepHoro u3snyyeHna He cworpure Ha nyy He pasrnsnbiBaltre ero C TIOMOLLIbIO OMTUYECKUX MHCTPYMEHTOB a TAKKE u36eraiite npaMoro Bo3geicTBuA JiasepHoro nyua Ked je laserov jednotka otvoren Vyhnite sa priamemu poh adu a nehladte priamo s optick mi n strojmi do l ta a vyhnite sa priamemu vystaveniu l ov BAIT SEL e K JAN Su E DEY MFR A o CHB TVLAVTSK VI Radiaci n laser al abrir No mire fijamente ni examine con instrumental ptico el haz de luz Evite la exposici n directa al haz 15 Lenovo S41 U41 Hardware Maintenan
56. s have both a processor board and a system board If you are instructed to replace either of them and replacing one of them does not solve the problem reinstall that board and then replace the other one 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 Attention The setup configuration on the computer you are servicing may have been customized Running Automatic Configuration may alter the settings Note the current configuration settings using the View Configuration option then when service has been completed verify that those settings remain in effect Strategy for replacing a hard disk drive Always try to run a low level format before replacing a hard disk drive This will cause all customer data on the hard disk to be lost Make sure that the customer has a current backup of the data before performing this action Attention The drive startup sequence in the computer you are servicing may have been changed Be extremely careful during write operations such as copying saving or formatting If you select an incorrect drive data or programs can be overwritten Important notice for replacing a system board Some components mounted on a system board are very sensitive Improper handling can cause damage to those components and may c
57. sostituisce la batteria utilizzare soltanto i tipi inseriti nell appropriato Catalogo parti L impiego di una batteria non adatta potrebbe determinare l incendio o l esplosione della batteria stessa bet kel ke EE EC AYUSO AY AE LIEU Ak e mic BU ATE D Var hetRvyes HEV RIT V y 7 ORB O Cii HU RO BI E RANTE C CREW AYTO Ny ERAT EI peque O RAT VR REN BokNy ei d GK 56 75 J R XLAEU MHLEVTSILBSVET Las baterias contienen pequefias cantidades de niquel No las desmonte ni recargue ni las eche al fuego o al agua ni las cortocircuite Des chelas tal como dispone la normativa local Utilice s lo baterias que se encuentren en la lista de piezas al sustituir la bateria La utilizacion de una bateria no apropiada puede provocar la ignici n o explosion de la misma Lenovo S41 U41 Hardware Maintenance Manual 10 Safety notice 4 A 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 contents to water Dispose of the battery as required by local ordinances or regulations Use only the battery in the appropriate parts listing Use of an incorrect battery can result in ignition or explosion of the battery La pile de sauvegarde contient du lithium Elle pr sente des risques d incendie d explosion ou de br lures graves Ne la rechargez pas ne retirez pas son connec
58. t FRUs have unique FRU part numbers Before or after the RoHS implementation date failed RoHS compliant parts must always be replaced with RoHS compliant ones so only the FRUs identified as compliant in the system HMM or direct substitutions for those FRUs may be used Products marketed before June 2006 Products marketed after June 2006 Current or Replacement FRU Current or Replacement FRU original part original part Non RoHS Can be Non RoHS Non RoHS Can be RoHS Must be RoHS Must be RoHS Non RoHS Can sub to RoHS RoHS Must be RoHS Note A direct substitution is a part with a different FRU part number that is automatically shipped by the distribution center at the time of the order 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 computer Before replacing any FRU read the entire page on removing and replacing FRUs Carefully remove screws for reuse when replacing FRUs Be extremely careful during such write operations as copying saving or formatting Drives in the computer that you are servicing seguence might have been altered If you select an incorrect drive data or programs might be overwritten Replace an FRU only with another FRU of the correct model When you replace an FRU m
59. te a defect Checking operational charging To check whether the battery charges properly during operation use a discharged battery pack or a battery pack that has less than 50 of the total power remaining when installed in the computer 21 Lenovo S41 U41 Hardware Maintenance Manual 22 Perform operational charging If the battery status indicator or icon is not lit 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 pack If the charge indicator is still not lit replace the system board 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 factory default The Lenovo Yoga 2 13 computer comes with pre installed OneKey Recovery System In order to save application files and the initial backed up files of the system the hard disk in a Lenovo computer includes a hidden partition when it is shipped If you need to restore the system to the point of your first boot up just enter Lenovo OneKey Recovery System and run System Recovery For details of OneKey Recovery System see the User Guide for Lenovo OneKey Recovery system Note This will delete all the new data on the system partition C dri
60. teon ADLX65NLC3A 36200607 20V3 25A adap CMN Adapter Chicony ADLX65NCC3A 36200611 20V3 25A adap CMN Adapter Delta ADLX65NDC3A 36200249 20V3 25A adapter Lenovo S41 U41 CRU S41 70 ID U41 70 HSW BDW e e ie D e e e e o e e x e e 41 35 41 75 73 Z Lenovo S41 U41 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 2 pin power cords Region P N CRU ID CCC 145000600 LINETEK PC323 RVV300 300 LS15 1m Argentina 145000599 LINETEK LS15 HO3VV F LP39 1m Denmark 145000598 x LINETEK LS15 HO3VV F LP 38 1m Switzerland 145000597 x LINETEK LS15 H03VV F LP 37 1m Brazil 145000596 LINETEK LS15 HO3VV F LP26A 1m Israel 145000595 x LINETEK LS15 HO3VV F LP 41 1m UL 145000594 x LINETEK LP 30B SPT 2 LS15 1m UK 145000593 i LINETEK LP 61L HO3VV F LS15 1m Indian 145000592 LINETEK PE 361 HO5VV F LS15 1m Italy 145000591 LINETEK LS15 HO3VV F PE 336 1m Korea 145000590 x LINETEK LS15 HO5VV F LP E04A 1m Australia 145000589 LINETEK LS15 HO3VV F LP 23A 1m Taiwan 145000588 A LINETEK LS15 VCTF LP 53 1m Japan 145000587 LINETEK LS15 VCTF LP 54 1m Africa 145000586 x LINETEK LS15 HO3VV F PE 364 1m CE 145000585 LINETEK LP 34 HO3VV F LS15 1m CCC 145000568 x Longwell LSG 31 RVV300 300 LS 18 1m Argentina 145000567 Longwell LP 24 H03VV
61. teur polaris et ne la d montez pas Ne l exposez pas une temperature sup rieure 100 C ne la faites pas br ler et n en exposez pas le contenu l eau Mettez la pile au rebut conform ment la r glementation en vigueur Une pile inappropri e risque de prendre feu ou d exploser Die Systembatterie ist eine Lithiumbatterie Sie kann sich entz nden explodieren oder schwere Verbrennungen hervorrufen Batterien dieses Typs d rfen nicht aufgeladen zerlegt ber 100 C erhitzt oder verbrannt werden Auch darf ihr Inhalt nicht mit Wasser in Verbindung gebracht oder der zur richtigen Polung angebrachte Verbindungsstecker entfernt werden Bei der Entsorgung die rtlichen Bestimmungen f r Sonderm ll beachten Beim Ersetzen der Batterie nur Batterien des Typs verwenden der in der Ersatzteilliste aufgef hrt ist Der Einsatz falscher Batterien kann zu Entz ndung oder Explosion f hren JN mssnonn n2 gt 3w5 015 n515y ov mn NINO 220105 AN PIVI WINK A IN PYOS PN mw mas 715025109 N DONNI IN mx 7595 29 30195 YN AINA DN IV PN 09798 MIM 100 99 n 5n VINI n55Yon DN pbob W D DP NIN JIN DN PUNI AINA p wnnwn v Dr OPINA MPN n55Y03 VU DYIVNDIN DINA NU NA AAA AMSsyann YN DIV 531395 0953 5129 NINN La batteria di supporto e una batteria al litio e puo incendiarsi esplodere o procurare gravi ustioni Evitare di ricaricarla smontarne il connettore polarizzato smontarla riscaldarla ad una temperatura superiore ai 100 gradi centigradi incen
62. ve which is not recoverable Make sure to back up your critical data before you perform this action 23 4M Lenovo S41 U41 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 supervisor password If any of these passwords has been set a prompt for it appears on the screen whenever the computer is turned on The computer does not start until the password is entered Power on password A power on password POP protects the system from being powered on by an unauthorized person The password must be entered before an operating system can be booted Hard disk password There are two hard disk passwords HDPs User HDP for the user Master HDP for the system administrator who can use it to get access to the hard disk drive even if the user has changed the user HDP Attention If the user HDP has been forgotten check whether a master HDP has been set If it has it can be used for access to the hard disk drive If no master HDP is available neither Lenovo nor Lenov authorized service technicians provide any services to reset either the user or the master HDP or to recover data from the hard disk drive The hard disk drive can be replaced for a scheduled fee Supervisor password A supervisor password protects the system information stored in the BIOS The user must enter the supervisor passwor
63. white lll and then remove the screw Step Screw quantity Color Torque M2 x 2 5 mm flat head nylok coated 1 Black 1 85 0 15kgfcm WLAN to Upper Remove the card in the direction shown by arrow El 40 Lenovo S41 U41 Figure 4 Removal steps of PCI Express Mini Card for wireless LAN continued In step I unplug the jacks by using the removal tool antenna RF connector P N 08K7159 or pick up the connectors with your fingers and gently unplug them in the direction shown by the arrows Notes The wireless LAN card has 2 cables in step The wireless LAN card in some models might have 3 cables in step H When installing In models with a wireless LAN card that has two antenna connectors plug the black cable 1st MAIN into the jack labeled 1 and the white cable 2nd AUX into jack labeled 2 on the card In models with a wireless LAN card that has three antenna connectors plug the black cable 1st MAIN into the jack labeled 1 the grey cable 3rd into jack labeled 3 and the white cable 2nd AUX into jack labeled 2 on the card 41 y d Lenovo S41 U41 Hardware Maintenance Manual 1050 DIMM For access remove these FRUs in order 1010 Base cover on page 34 1020 Battery pack on page 36 Figure 5 Removal steps of DIMM Release the two latches on both edges of the socket at the same time in the direction shown by arrows lll and then unplug the DIMM in the direction shown
64. zards they present Electrical hazards especially primary power primary voltage on the frame can cause serious or fatal electrical shock Explosive hazards such as a damaged CRT face or a bulging capacitor Mechanical hazards such as loose or missing hardware To determine whether there are any potential unsafe conditions use the following checklist at the beginning of every service task Begin the checks with the power off and the power cord disconnected Checklist 1 Check exterior covers for damage loose broken or sharp edges 2 Turn off the computer Disconnect the power cord 3 Check the power cord for a Athird wire ground connector in good condition Use a meter to measure third wire ground continuity for 0 1 ohm or less between the external ground pin and the frame ground b The power cord should be the type specified in the parts list c Insulation must not be frayed or worn 4 Check for cracked or bulging batteries Remove the cover 6 Check for any obvious non Lenovo alterations Use good judgment as to the safety of any non Lenovo alterations 7 Check inside the unit for any obvious unsafe conditions such as metal filings contamination water or other liguids or signs of fire or smoke damage 8 Check for worn frayed or pinched cables 9 Check that the power supply cover fasteners screws or rivets have not been removed or tampered with o Lenovo S41 U41 Hardware Maintenance Manua

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