Manuale d’uso / di manutenzione del prodotto 51X del fabbricante Texas Instruments
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Maintenance Manual Extensa TM 51x Series Notebook Computers 9811755-0001 April 19 96.
Copyright (©) 1996 T exas Instruments Inco rpo rated All Rights Reserved — Printed in U.S.A. Extensa 51x Series Notebook Comp uters Maintenance Manual TI Part No. 98 11755- 0001 Original Issue: April 1996 Changes may be made periodicall y to the infor mation in this publi cation.
Contents Preface 1 General Description 1.1 . . . . Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-1 1.2 . . . . Product Models . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-1 1.3 . . . . Inter national Product V e rsions .
2.5.2 . . . Installing Exter nal Parallel Prin ter . . . . . . . . . . . . 2-7 2.5.3 . . . Installing Exter nal Serial Port Device . . . . . . . . . 2-8 2.5.4 . . . Installing Exter nal VGA Monitor . . . . . . . . . . . . . . 2-9 2.5.5 . . . Installing Exter nal Microphon e .
4.2.3 . . . Vi deo Subsystem . . . . . . . . . . . . . . . . . . . . . . . . . 4-4 4.2.4 . . . Hard Disk Subsyste m . . . . . . . . . . . . . . . . . . . . . 4-5 4.2.5 . . . Floppy Diskette Drive Subsys tem . . . . . . . . . . . . . 4-5 4.2.6 . . . PCMCIA Subsystem .
6.5.8 . . . Removing an d Replacing the Display Ass embly . . 6-13 6.5.9 . . . Removing an d Replacing the Inverte r Board . . . . . . . or Contrast Board . . . . . . . . . . . . . . . . . . . . . . . . 6-13 6.5.10 . . Removing/Replaci ng the T ouchpad Asse mbly .
Pr eface Intr oduction This manual provides installati on, operation and servicing data for the Extens a 51x Series Note book Computers. Intended Aud ience This manual i s primarily inte nded for use by qualifie d service tec hnicians but co ntai ns information us eful to n o n- technical u sers.
Other Manuals About the System The follo w in g documents p r ovid e additional info r mation rel ated t o th e Extens a 51 x Series: • Extensa Series Notebook Computer User’s Reference Manual contains refere nce information regarding th e Extensa Series Notebook Computer software includin g the TI custom utili ties.
1 Genera l Description 1.1 Introduction This manual c ontains field an d factory level s ervicing i nfor mation for the Texas Inst r u ments Ex te nsa 51x Se ries of Notebook Compute rs (Figur e 1-1). Th is sectio n provi de s a general over vi ew and spec ification s for the Extensa 51 x Series Notebo o k Computers.
T able 1- 1 Extensa 51x Series Notebook Comp u ters Model 510 Model 515 • U.S. V ersion Wi n d o w s 9 5 o r Wi n d o w s for W orkgroups Wind ows 95 Plus Mic rosoft W orks, Quick en SE, Lotu s Organizer , and Microsoft Entertainment Pack • Non U.
• 540 or 810 Mil lion Byte Hard Drive (use r replaceable ) • Support for two PCMCIA Type I or II opt ions or one Type III PCMC IA option c ard • Ergonomic keyboard with palm rest (2.7 mm trave l); built-in touchpad poin ting de vice • Most standard external de vice inte rfaces inc luding serial, parall el, PS/2 ® , and external VGA .
Touchpad Pointing Device Touchpad Select Buttons Power On/Off Button Cover Release Button Five Status LEDs Primary Battery Pack (Accessible from Right Side) Hard Drive (Accessible from Underneath) Set.
1.4.1 Exter nal Ports As shown in Figur e 1-3, the note book computer contai ns the fol lowing exter nal ports: • 9-Pin Serial Port for attac hing any RS-232 type serial dev ice to the Notebook • .
1.4.2 T ouchpad Pointing Device All members of the Extensa famil y feature a buil t-in touchpad poin ting device located n ea r the cent er o f the keyboard palmrest . W ith light pressure, the curso r c a n qu i ck ly be posit ion ed to t he de si re d p oint; a qui ck do u b le tap on the t ouchpad and you h ave sele cted an obje ct.
• "Inverte d T" Cursor Control Key layout The no teboo k keyboard is availab le in the fo llow in g version s: • U.S. E ngli sh Key board, TI P art No. 98 11398- 0001- T his ver sion (a lso known as th e domestic version ) is general ly used in the United States and Canada.
1.4.3.1 Controls and Indicators As shown in Figur e 1-6, Extensa Serie s Notebook Computers contain a se t of three buttons (sw itches) an d five L ED display s just abov e the keyb oard includin g: • Power, Setup, and Standby/Suspend Buttons (Switches) • Sleep Mode Indi cat or.
1.4.4 Standard Powe r Features Notebook power for the Extens a 51x Series Notebook Computers i s provided by an AC Adapter and a rechargeable 10.8 V, 2 400 mAh Duracell DR35 nicke l metal hy dride (NiMH) battery pack that ins talls in a bay near th e front of th e notebook (right s ide).
• Microsoft Works • Quicken S E • Lotus Organizer • Microsoft Entertainmen t Pack No. 4 1.4.6 Notebook Expans ion Capabilit ies Expansion c apabilities b uilt into th e Extensa noteboo k series inc lud e: • User instal lable expansion RAM memory (to a maximum of 40 MB); notebook accepts either fastpage mode or EDO RAM modules.
1.6.1 Cover -Display Assembly The C o ve r -Disp lay Assemb ly contai ns the LCD sc re en and ass o ciate d high volta g e power su p ply and vid eo circuitr y .
The Di splay A ssembly a tt aches to t h e Sy st em Base A ssembly th roug h f o ur top moun ted scr ews. 1.6.2 System Ba se Assembl y As shown i n F igu re 1- 7, the majority of th e n o te book’s field-repl ace able units ( FRUs) are locate d in the system b ase assemb ly.
Table 1-3 Extensa 51x Noteboo k Features Specifications Model 510 Model 515 Memory: Standard :8 M B 8 M B Maximum 40 MB 40 MB Display LCD Type: 10.4" Dual Scan Color 10.
1.8 Agency Approvals All Exten sa 51x Series products meet the following standards: • Underwrite r’s Lab (UL) Standard 1950 (safety) • Underwrite r’s Lab (UL), CN Listed (C22.
2 Installation 2.1 Introduction This se ction con tains unp acking a n d prepara t ion for use inst r u ctions fo r the Exte nsa 51x Serie s Notebook Compute rs. 2.2 Unpacking Instructions The packagin g diagram for the n otebook computer is shown in Figur e 2-1.
3. Release the Key board by pulling the keyboard re lease tabs forward (tabs are lo cated u nderneath the C trl and rig ht arrow keys). 4. Disen gage the Keyboar d using a strai ght blade scr ewdriver and ge ntly lifting up alon g the front edge of the keyboard.
2.3.2 Installing PCMCIA Options The Notebook has provisions for two Type I/Type II or one Type III PCMCIA option c ard. Use t he followi ng proce dure to inst all a PCMCIA option: 1. Review the instal la t ion instr u ctions su pplied with the P C M CIA o ption card(s ).
2.3.3 Install ing the Optional Nume ric Keypa d An option al numeric k eyboard can b e attached t o the note book via the notebook PS/2 conn ector as sh own in Figur e 2-3.
c Caution: There is danger of explosion if the battery is incorrectly re- placed. Replace the battery only with the same or an equivale nt type recommended by the manufacture r . Discard u se d batte ries accor din g to the manuf actur er ’ s instructions .
2.5.1 Installing an Exter na l Keyboard/Mouse As shown in Figur e 2-5, th e notebook has provi sions for tw o exter nal PS/2 compatib le devi ces (keyb oard, mouse, et c.) that may be attach ed to the notebook. The pin outs for the 6-pin Min i-DIN connec tors are also pr ovided in Figure 2-6.
2.5.2 Installi ng Exter na l Paral lel Prin ter The No te book is equi pp ed with a bidirect ional, ECC/EPP c ompatible, 25 -p in parallel pri nter port.
2.5.3 Installing Exter nal Serial Por t Device The notebook contains an RS- 232 serial port with a male DB-9 connector as shown i n Figure 2-7. The serial ports are us ed to interconne ct such devices.
2.5.4 Installing External VGA Monitor The note book is cap abl e of driving b oth its internal LCD di sp lay and an exter nal VGA monitor (LCD on ly, simultaneous, or VGA on ly). The exter n al monitor con nector pi nouts and conn ector locat ions are s hown in F igure 2- 8.
2.5.5 Installing Exter nal Mic rophone An exter nal mi crophone can be attached to the notebook using the leftmos t audio connec tor (when vi ewed from the re ar of the notebook). Wh en the exter nal microphone is i nstalled an d the unit powered up, the i nter nal microph one is disable d.
2.7 Initial System Checkout After you’ve in stalled all inter nal options and e xter nal cabli ng, you’re r eady for system chec kout and software configuration. To check out the syste m, se t the power switch on th e n otebook to t he O n ( I ) positi on which initiates the note book self tes t.
3 Operating Instructions 3.1 Introduction The fi r st two subsect ions descri be the Ex t ensa 51x Ser i es Notebo o k operating control s and indicators. The r emainder of this section contain s a summary of computer operations rel ated to notebook maintenance includ ing how t o restore sy stem softw are.
3.2.1 Button Switches The no teboo k contains two butto n switches a bo ve the ke yb oard incl u ding: • Power On/Off Switch - Alternate ac tion, button type switc h that controls power to th e unit. Pressing the Power button causes powe r to be applied to the note book and power up self test to be run.
3.2.3 T ouchpad Controls The Ext en sa 51x Seri es Notebook C omputers are equi pped with a bu i l t-i n mouse dev ice call ed "the Touch pad" phy sically locate d at the b ottom of the keybo ard (refe r to F i gure 3- 1) . The cursor is positioned by touchi ng and dragging your finger i n the directi on you want the curs or to go.
• Insert the fl oppy into the floppy drive s lot with th e label side up and th e metal-s hutter end first. Gentl y push the fl oppy into the floppy drive s lot until t he floppy clicks in to place. • To remove a floppy, press the eject button until the floppy pops out.
3.3.4 Responding to Low Battery Conditions The computer ge nerally wil l notify y ou when you ar e reachi ng a low battery condit ion by th e followin g actions : • Four short be eps per minut e (un.
3.3.7 Resto ring Miss in g Syst em Files When you powe r up the Notebook, it automatically ch ecks for certai n key files that must be pr esent for n or mal system operati on. If any of these files are acci dentally erased as in dicated by error messag e, insert the Windows 95 St artup diskette and reboot the sys tem.
4 Theory of Operation 4.1 Introduction This se ct ion describ es th e note bo o k theory of ope r ati on. 4.2 Notebook Functional Description Functi onally, th e notebook computer con sists of the fol.
EXTERNA L VGA M ONITO R MAIN BOA RD XD BUS SD BU S Input From AC Adapter SYST EM & VGA BIOS XD BUS Super I/ O Controller RS-232 Ser ial Port Drive rs/ Re c eiv er s C&T 65 540 Intel 100 M Hz P.
4.2.2 I/O Subsystem The I/O su bs ystem, implemente d w ith an NS87 33 4 VJG Super I/O Controller Chip, pr ovides for such functions as i nter nal Har d Drive control, floppy drive control , and serial and parallel ports .
• Integral address decoder - provides sele ction of all pri mary and second ary ISA addresse s includ ing COM1-4 an d LPT1-3. • Enha n ced Powe r Managem ent Fun ct ion • Special configuration r.
4.2.3.1 External VGA Drive Capability On the Exten sa notebook, the e xter nal VGA port is provi ded by the port adaptor fixture in the for m of a 15-pi n, female, D-type connec tor which can be used t o dri ve an e xter nal CR T (up t o 1024 x 768 x 2 5 6 col ors.
4.2.6 PCMCIA Subsystem The note bo o k is equipped wi th an on-bo a rd PC MCIA host adapte r PCMCIA Controller) and sockets to support T ype I, Type II or Type III options. The PCMCIA Contr oller ha s the followi ng feature s: • Single -chip P CMCIA host adapters • Direct con nection to IS A (PC AT) Bus • Direc t c o nn ection to PCM CIA 2 .
4.2.7.1 Power Manag ement The notebook is equipped with a power manag ement function that minimizes bat te r y u s age for prolonged ba tt ery operati on and aut o mati cal ly recharg es the b atteries wh en the n otebook is used with an AC adapter .
T able 4- 4 Primary Battery Pack Specifications Function Specifications Battery typ e NiMH (Nickel Metal-Hydride) Cell structure 9 cells per pack (in series) Nominal voltage 10.
5 T roubleshooting Procedur es 5.1 General This se ction pro vides the followi ng information: • Overview of the faul t isolati on process • Guidelines for isolating computer mal functions to re placeable suba ssemb l ies • Instructions for executing diagnos tics and inte rpreting error me ssages 5.
START CO MPUT ER TROUB LE IN DIC ATION ? DEAD C O MPU TER SYM P TOMS ? RUN SEL F TEST ERR O R ME SSAGE ? MOD EM PROBLEM ? RUN DIAG N OST I C S DIAG N OST I C S E RRO R M S G ? NO YES NO YES SEE PARAGRAPH 5. 3.4 NO YE S SE E P ARA G RAP H 5. 3 . 3 NO SE E P ARAGRAPHS 5.
• Try rebooting th e system (Ctrl -Alt-Del ); restore system from diskettes, if nece ssar y. • If the computer is c apable of running the Setup program; chec k the serial and parall el port configurations , and other features that may affect sy stem operation .
• Measure the voltage at th e AC Outlet or pl ug in a know n good applian ce (EG. a lamp) t o verify that v oltage is pre sent. If the v oltage is OK, try replaci ng the AC Adap ter • Check to see that th e battery pack is ins talled correctl y (try using a recha r g ed batter y pack if b attery is di schar g ed).
5.3.2 T roubleshooting a Displa y Problem If the LCD remains bl ank when you tur n on th e computer , and the status indica t ors light , ch eck the fo ll owing cont r o ls on the di sp lay (refe r to.
• Faulty ph one line - Conn ect a telephone to th e line an d listen for a dial tone. • Software program - Check to ens ure that you have install ed the softwa re correctly.
• Group of special purpose util ities to run other tests from PC- Doctor, perform a virus sc an of the internal RAM system, edit c onfiguration files, s urface scan ha rd drives, measure sys tem per.
• Printer T est - t ests the operation of a connected pr inter • SCSI T est - sends test codes to at tached SCSI d evices (requires u se of a Docking System with SCSI) • CD-ROM Test - checks out any att ached CD-ROM Drive (requir es attachment of a Docking System with C D-ROM capability) 5.
5.3.5.3 Creating a Bootable Floppy Diske tte Prior to us ing PC-Docto r , create a bootab le flo p py diskette u si ng th e followin g proced ure: 1. Power up the unit; wh en unit displ ays message, "Starti ng Windows 95", press F8 . Choose Command Prompt Only from menu.
n Note: If PC-Doctor detects a virus, it will stop with an error mes sage. Y ou must then use one of the standard virus detection an d removal programs to remove the vi rus. 5.3.5.5 Quitting PC-Doctor To exit P C-Doct o r , select the Quit pull down menu and then s elect the Quit to DOS option.
6 Field Service 6.1 Introduction This se ction con tains prev en tive and co r r ective maintenan ce procedu res f o r the Extens a 51x Series Notebook Computers. The firs t part of the section descri bes the comp uter clean ing proc edures and p referred handlin g procedures for sensi tive components (e.
6.2.2 Protecting t he Disk Drives To protect the d i sk dr iv es and data, back up th e s ystem disk periodically on floppy diskettes. Pe riodically use a h ead-cleaning diskette in th e floppy disket te drive to p r olong th e life of the dr iv e and to help main tain data integ rity.
6.3 Required T ools and Equipment All note book compute r correcti ve mainte nance pr ocedures can be per for med using t he followi ng tools: • Twee zers • Small flat- blade screw driver • Smal.
Table 6-1 C over -Display Assembly, Field-Replaceable Units (FRUs) FRU Description TI Part No. Reference Paragraph No. Inve rter Board, DSSTN 10.4" 98113 61-0001 6.5.9 Display Assembl y, 10 .4" DSSTN 50 X, 51 X 9811363-0 00 1 6.5. 9 Bezel Assembly, D SSTN 10.
FRU Description TI Part No. Reference Paragraph No. Cable Assembly, Invert er (12P) 9811386-0 00 1 6.5. 8 LCD Co ver , DS S TN, 10. 4 i n ch 981137 2 6.5.8 6.4.2 Syst em Base Assembl y As shown in Figur e 6-2, the Syste m Base Assembly h ouses a variety of fiel d-re plac eabl e subas sembl ies an d com ponents .
FRU Description TI Part No. Reference Paragraph No. Keyboard Assembly, SWD, EXT50x/51x 98113 98-0010 6.5.2 Keyboard Assembly, DE N, EXT50x/5 1x 9811398 -0012 6.5.2 Keyboard Assembly, NOR, EXT 50x/51x 98113 98-0013 6.5.2 Keyboard Assembly, BELG, EXT50x/51x 98113 98-0014 6.
Table 6-3 N otebo ok CRUs (Customer - Replaceable Units) CRU Description TI Part No. Reference Paragraph No. AC Adapt er Assembly 98039 31-0001 Sec. 2 Inter nal Battery P ack, Ni-MH 98039 28-0001 6.5.1 4 MB RA M SIMM 9803 932-0 001 6.5. 7 8 MB RA M SIMM 9803 950-0 001 6.
3. Grasp the ri bbon loop on the batt ery and pull t he battery out of the comp artme nt. 4. When re placing th e battery, in sert the en d o p posite the r ib bon loop with th e b attery notches pointin g up ward. Slide the ba tt ery into the compartme nt and replace the b attery door .
6.5.3 Removing/Replacing the Heat Sink To r emove and replace the heat sin k, per for m the fol lowing procedure : 1. Disconnect th e AC adapter from the Notebook. 2. Remove th e b attery as d escri be d i n P aragrap h 6.5.1. 3. Loosen and tilt back the the keyboard assembly as described i n Paragraph 6.
6.5.4 Ope nin g/Re pl ac in g th e Uppe r C as e Ass em bly To r emove/replace the Top Case Assembly , per for m the foll owing proce dure: 1. Remove th e AC Adap ter , battery pack , any install ed PCM CIA o p tions, the Keyboar d Assembly and Heat S ink Assembl y as described in Paragraphs 6.
4. Using a p lastic s tick, unlock the ZIF c onnector l ocated ne ar the Touchpad an d remove the cable from the con nector . Also, remove the 2-con ne c to r sp eaker cabl e f rom th e Main B oard Conne ct or . 5. Remove the cable cov er below the display by li fting upward on the front ed ge of the c over .
3. Tur n the c omputer over so that the Hard Driv e panel is on your right side. 4. Press d own on the two cover r elease tabs and slid e to the l eft; lift up on the driv e door and remove from the notebook. 5. Remove the two scre ws near th e driv e connec tor cabl e.
6.5.7 Remo ving/Replacing DIMM Mod ules To r emove and replace DIMM me mory modules, use the following pr ocedure: 1. Loosen the keyboard ass embly (but d o not disconn ect keyboar d cables) as des cribe d i n Ste ps 1 t h rough 4 of P aragraph 6.5.2.
c Caution: If the n otebook is powered up w i th the LCD bezel removed, you can be exposed to high voltages which could re sult in sh ock and equipment damage. Ens ure that the batterie s and AC adapter are re- moved from th e notebook when wor king on th e LCD/Display ass e mbly .
6.5.11 Rem oving/Replacing the Smart Battery Boar d Control Board To remove and repl ace the Smart B attery Control B o ard, pe r for m the followin g proced ure: 1. Remove the Upper Case Assembl y as described in Paragraph 6.5.4. 2. Disconne ct the b attery cab le loca ted next to HDD C onnector .
6. Using a s mall flat blade screwdriv er and apply light pres sure in a rocking motion to remove the har d drive cable c onnector . 7. Remo ve four Phil lips-head sc rews (one o n each of t he four si des of the heat sink openi ng) securin g the board to the base ass embly.
3. Gent ly pry to the le ft (with pin 1 ali gn m en t at the bottom rig h t as shown i n Figure 6-6) . 4. Gently r emove the chip from the socket. 5. T o install a ch ip into a vacant CPU soc ket, ins.
A Self T est Error Messages A.1 Introduction This appendix contain s referenc e data useful in diagnosing and correcti ng self te st err ors. Table A-1 Self T es t Error Messages Error Message Corr ec.
Error Message Corr ective Action Keyboard Inter face Error Cycle Power t o Noteboo k. If prob lem persist s, replace keyboar d ; if prob lem persists, replace Main Board. Memory Size Mismatch Enter and then exit the System Configuration Setu p in the Setup utility.
Checkpoint No. Description D4h Nor mal POST star t 04h Programmabl e Interval T i mer test in-pr ogress or failure 06h DMA page register write/read test in-progress or fail 08h RAM ref resh verificati.
Checkpoint No. Description D4h Nor mal POST star t 3Ah Inter val timer channel 2 t est in-pro gress or failure 3Bh T ime-Of-Day clo ck test in-p rogress or failure 3Ch S erial po rt test test in-progr.
Checkpoint No. Description D4h Nor mal POST star t 1Fh Begin to configures P CI VGA devices D1h Allocate Space for op tion ROM Error Message s A-5.
B PC-Doctor Diagnostics B.1 Introduction The E xtensa Se ries Note books ar e shipped with PC -Doctor , a power f ul diagnos tics tool th at can h elp you dete r mine the hardware configurati on of a .
B.3 Mouse Navigation Y ou can use a mouse to n avigate thr ough PC-Doc tor (alter n ately use the arrow key s from the k eyboard). Use the le ft mouse button t o choose obj ects (menu entr ie s and action codes i n s q u are brac ke ts). Use the right mo u s e button as you would the Esc ke y to take you bac k to your previ ous step.
• All Tests - allows y ou to select w hich te sts to run. You can also spec ify special te sting optio ns. By pre ss i ng F2 , the foll owing option s are availabl e: – Halt On Errors - interrupts testin g if an error i s detected. n Note: Extern al serial and parallel port testing requi res loopback plugs (not provided with this softwar e).
• Printer Test - te sts for t he correct a cc eptance a nd executio n of comm o n printer con trol commands. Printer test information is stored in printer test fil es with an e x te nsion of .PDP . • SCSI Test - PC-Doctor contain s SCSI device testing feature s that work if you have an ASPI or CAM device driver loaded.
• Edit CMOS RAM - gives acce ss to CM OS RAM d ata • File Editor - a l lo ws editing o f confi gu ration f i les • Surface Scan Hard Disk - checks for defects on the hard disk • Benchmark Syst.
Printed in U.S.A..
Un punto importante, dopo l’acquisto del dispositivo (o anche prima di acquisto) è quello di leggere il manuale. Dobbiamo farlo per diversi motivi semplici:
Se non hai ancora comprato il Texas Instruments 51X è un buon momento per familiarizzare con i dati di base del prodotto. Prime consultare le pagine iniziali del manuale d’uso, che si trova al di sopra. Dovresti trovare lì i dati tecnici più importanti del Texas Instruments 51X - in questo modo è possibile verificare se l’apparecchio soddisfa le tue esigenze. Esplorando le pagine segenti del manuali d’uso Texas Instruments 51X imparerai tutte le caratteristiche del prodotto e le informazioni sul suo funzionamento. Le informazioni sul Texas Instruments 51X ti aiuteranno sicuramente a prendere una decisione relativa all’acquisto.
In una situazione in cui hai già il Texas Instruments 51X, ma non hai ancora letto il manuale d’uso, dovresti farlo per le ragioni sopra descritte. Saprai quindi se hai correttamente usato le funzioni disponibili, e se hai commesso errori che possono ridurre la durata di vita del Texas Instruments 51X.
Tuttavia, uno dei ruoli più importanti per l’utente svolti dal manuale d’uso è quello di aiutare a risolvere i problemi con il Texas Instruments 51X. Quasi sempre, ci troverai Troubleshooting, cioè i guasti più frequenti e malfunzionamenti del dispositivo Texas Instruments 51X insieme con le istruzioni su come risolverli. Anche se non si riesci a risolvere il problema, il manuale d’uso ti mostrerà il percorso di ulteriori procedimenti – il contatto con il centro servizio clienti o il servizio più vicino.
