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ThinkP ad T520, T520i, and W520
Har dwar e Maint enance Manual
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ThinkP ad T520, T520i, and W520 Har dwar e Maint enance Manual
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Not e Befor e using this information and the pr oduct it suppor ts, be sur e t o r ead the gener al information under Appendix A “Notices” on page 165 . Second Edition (Mar ch 2011) © Copyright L enovo 2011. LIMITED AND RES TRIC TED RIGHT S NO TICE: If data or softwar e ar e deliver ed pursuant a Gener al Ser vices Administr ation “GSA ” contr act, use, r epr oduction, or disclosur e is subject t o r estrictions set for th in Contr act No. GS-35F-05925.
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Contents About this manual . . . . . . . . . . . . v P ower management . . . . . . . . . . . . 38 Scr een blank mode . . . . . . . . . . . 38 Chapt er 1. Safety information . . . . . 1 Sleep (standby) mode . . . . . . . . . . 38 Gener al safety . . . . . . . . . . . . . . . . 1 Hibernation mode . . . . . . . . . . . 39 Electrical safety . . . . . . . . . . . . . . . 2 S ympt om-t o-FRU inde x . . . . . . . . . . . 39 Safety inspection guide . . . . . . . . . . . . 3 Numeric err or codes . . . .
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1090 PCI Expr ess Mini C ar d for wir eless W AN . . 73 F r ont view . . . . . . . . . . . . . . . . 103 1100 K eyboar d be z el assembly . . . . . . . . 75 Rear view . . . . . . . . . . . . . . . . . 104 1110 Bluet ooth daught er car d (BDC-3.0) . . . . 77 Bott om view . . . . . . . . . . . . . . . 105 1120 Backup batt er y . . . . . . . . . . . . 78 Chapt er 11. P ar ts list . . . . . . . . 107 1130 Smar t C ar d or Smar t C ar d dummy spacer . 79 Over all . . . . . . . . . . . . . . . . . . 1
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About this manual This manual contains ser vice and r efer ence information for the following ThinkP ad® pr oducts. ThinkP ad T520 and T520i MT 4239, 4240, 4241, 4242, 4243, 4244, and 4246 ThinkP ad W520 MT 4249, 4260, 4270, 4276, 4281, 4282, and 4284 Use this manual along with the advanced diagnostic t ests t o tr oubleshoot pr oblems. Impor tant: This manual is int ended only for tr ained ser vice t echnicians who ar e familiar with ThinkP ad pr oducts. Use this manual along with the advanced
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vi ThinkP ad T520, T520i, and W520 Har dwar e Maint enance Manual
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Chapt er 1. Safety information This chapt er pr esents following safety information that you need t o be familiar with befor e you ser vice a ThinkP ad Not ebook. • “Gener al safety” on page 1 • “Electrical safety” on page 2 • “Safety inspection guide” on page 3 • “Handling devices that ar e sensitive t o electr ostatic dischar ge” on page 3 • “Gr ounding r equir ements” on page 4 • “Safety notices (multilingual tr anslations)” on page 4 • “Laser compliance stat ement (multilingual tr anslations
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Electrical safety Obser ve the following rules when working on electrical equipment. Impor tant: Use only appr oved t ools and t est equipment. Some hand t ools have handles cover ed with a soft mat erial that does not insulat e you when working with live electrical curr ents.Many cust omers have, near their equipment, rubber floor mats that contain small conductive fibers t o decr ease electr ostatic dischar ges. Do not use this type of mat t o pr ot ect yourself fr om electrical shock. • Find
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– Send another person t o get medical aid. Safety inspection guide The purpose of this inspection guide is t o assist you in identifying pot entially unsafe conditions. As each machine was designed and built, r equir ed safety it ems wer e installed t o pr ot ect users and ser vice t echnicians fr om injur y . This guide addr esses only those it ems. Y ou should use good judgment t o identify pot ential safety hazar ds due t o attachment of non- ThinkP ad featur es or options not cover ed by thi
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When handling ESD-sensitive par ts: • K eep the par ts in pr ot ective packages until they ar e inser t ed int o the pr oduct. • A void contact with other people. • W ear a gr ounded wrist str ap against your skin t o eliminat e static on your body . • P r event the par t fr om t ouching your clothing. Most clothing is insulative and r etains a char ge even when you ar e wearing a wrist str ap. • Use a gr ounded work mat t o pr ovide a static-fr ee work sur face. The mat is especially useful whe
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D ANGER Some standby batt eries contain a small amount of nick el and cadmium. Do not disassemble a standby batt er y, r echar ge it, thr ow it int o fir e or wat er , or shor t-cir cuit it. Dispose of the batt er y as r equir ed by local or dinances or r egulations. Use only the batt er y in the appr opriat e par ts listing. Use of an incorr ect batt er y can r esult in ignition or e xplosion of the batt er y . D ANGER The batt er y pack contains small amounts of nick el. Do not disassemble it,
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D ANGER Unless hot swap is allowed for the FRU being r eplaced, do as follows befor e r emoving it: power off the comput er , unplug all power cor ds fr om electrical outlets, r emove the batt er y pack, and disconnect any int er connecting cables. 6 ThinkP ad T520, T520i, and W520 Har dwar e Maint enance Manual
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PERIGO Ant es de ligar o computador após a substituição da FRU , cer tifique-se de que t odos os par afusos, molas e outr as peças pequenas est ejam no lugar e não est ejam solt os dentr o do computador . V erifique isso sacudindo o computador e pr ocur ando ouvir sons de peças soltas. P eças metálicas ou lascas de metal podem causar cur t o-cir cuit o. PERIGO Algumas bat erias r eser va cont êm uma pequena quantidade de níquel e cádmio. Não desmont e uma bat eria r eser va, r ecarr egue-a, jogu
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A bat eria de lítio pode causar incêndio, e xplosão ou gr aves queimadur as. Não a r ecarr egue, r emova seu conect or polarizado, desmont e-a, aqueça-a acima de 100°C (212°F), inciner e-a, ou e xponha o cont eúdo de sua célula à água. Descar t e a bat eria conforme r equerido pelas leis ou r egulament os locais. Use soment e a bat eria nas par t es listadas apr opriadas. O uso de uma bat eria incorr eta pode r esultar em combustão ou e xplosão da bat eria. PERIGO Se o L CD quebr ar e o fluido d
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Cer taines batt eries de secours contiennent du nick el et du cadmium. Ne les démont e z pas, ne les r echar ge z pas, ne les e xpose z ni au feu ni à l'eau. Ne les mett e z pas en cour t-cir cuit. P our les mettr e au r ebut, conforme z-vous à la r églementation en vigueur . L orsque vous r emplace z la pile de sauvegar de ou celle de l'horloge t emps r éel, veille z à n'utiliser que les modèles cit és dans la list e de pièces détachées adéquat e. Une batt erie ou une pile inappr opriée risque
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D ANGER Si le r emplacement à chaud n'est pas aut orisé pour l'unit é r emplaçable sur sit e que vous r emplace z, pr océde z comme suit avant de r etir er l'unit é : mett e z l'or dinat eur hors t ension, débr anche z t ous les cor dons d'alimentation des prises de cour ant, r etir e z le bloc de batt erie et déconnect e z t ous les câbles d'int er conne xion. V ORSICHT Bevor nach einem FRU-Austausch der Comput er wieder angeschlossen wir d, muß sicher gest ellt wer den, daß k eine Schr auben,
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V ORSICHT Die L euchtst offr öhr e im L CD-Bildschirm enthält Quecksilber . Bei der Entsor gung die ör tlichen Bestimmungen für Sondermüll beacht en. Der L CD-Bildschirm best eht aus Glas und kann z erbr echen, wenn er unsachgemäß behandelt wir d oder der Comput er auf den Boden fällt. W enn der Bildschirm beschädigt ist und die darin befindliche Flüssigk eit in K ontakt mit Haut und Augen ger ät, sollt en die betr offenen S t ellen mindest ens 15 Minut en mit W asser abgespült und bei Beschwer
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