Acer Extensa 670 Service Guide

							6-22Field Service 6.5.20 Removing/Replacing the Display Bezel
To remove/replace the Display Bezel, use the following the procedure;
1.Remove the AC adapter and Battery Pack as described in Paragraph 6.5.1.
2.Remove the round LCD bumpers at the top of the display (refer to Figure 6-24).
3.Remove the left and right screws near the display hinges (note that the screw covers are not
identical).
4.Remove four screws on the Display Bezel (Figure 6-24).
5.  Pull out and remove the Display BezelFigure 6-24Display Unit DisassemblyLCD InverterLCD ID BoardCN2 
						

							Service Guide6-23 6.5.21 Removing/Replacing the LCD Inverter and LCD ID Boards
To remove/replace the LCD Inverter or the LCD ID Board, use the following the procedure;
1.Remove the Display Bezel as described in Paragraph 6.5.20.
2.Gently fold back the foil around the LCD and unplug Inverter Cable CN2 (refer to Figure 6-24).
3.Remove the screws that secure the three Inverter Boards to the display back cover and remove
the boards.
4.Replacement is essentially the reverse of Steps 1 through 3.
6.5.22 Removing/Replacing the LCD Panel
To remove/replace the LCD Panel, use the following the procedure;
1.Remove the Display Bezel as described in Paragraph 6.5.20.
2.Slide out and remove the Hinge Cable Cover (Figure 6-24).
3.Remove four screws on the four sides of the LCD panel (Figure 6-24).
4.Gently fold back the foil around the LCD and unplug Inverter Cable CN2.
5.Remove the three screws that secure the Inverter and LCD ID Boards to the display back cover
and unplug the LCD ID board cable.
6.Refer to Figure 6-24 and tilt the LCD panel away from the Display Cover.
7.Unplug the LCD Panel from the Display Cable Assembly and remove the LCD Panel.
8.Replacement is the reverse of Steps 1 through 7. 
						

							A p  A p p e n d  p e n d i x     A i x     A
Maintenance DataService GuideA-1 A.1. Introduction
This chapter contains model-dependent maintenance data for the Extensa Model 67x Series
Notebook Computers.  For information common to all members of the Extensa 67x Series, refer to
Chapter 1 through 6 of this manual.
A.2. Features Summary
The Extensa 67x Series Notebook Computers come standard with a 12.1-inch Super VGA Display,
1.6 or 2.1 GB Hard Drive and is powered by a 150 or 160 MHz Pentium processor.  Refer to Chapter
1 for a more detailed description of Extensa 67x Series features.
A.3. Field-Replaceable Units (FRUs)
Note:For FRU removal/replacement procedures, refer to Chapter 6 of this manual.
As shown in Figure A-1, all members of the Extensa 67x Series Notebook Computers contain two
major assemblies:
· System Base Assembly
· Cover-Display AssemblyFigure A- 1Extensa 67x  Series Assemblies 
						

							A-2Maintenance Data A.3.1 Cover-Display Assembly
The Cover-Display Assembly shown in Figure A-2, contains the LCD screen, DC-AC Inverter Board
Logic, DC-DC Inverter Board Logic,  bezel LCD cover and various other components as listed in
Table A-1.Figure A- 2Display FRUs
Table A-1Top Cover Assembly Field-Replaceable Units (FRUs)
FRU DescriptionAssembly/Disassembly
ParagraphPart No.LCD Panel, 12.1, DSTN6.5.2256.07469.071LCD Panel, 12.1, TFT6.5.2256.07530.011Display Back Cover, 12.16.5.22Display Bezel for 12.1, DSTN LCD6.5.2041.46913.001Display Bezel for 12.1, TFT LCD6.5.2041.47003.001LCD ID Board for 12.1, DSTN LCD6.5.2119.21018.111LCD ID Board for 12.1, TFT LCD6.5.2119.21018.121LCD Inverter for 12.1, TFT/DSTN LCD6.5.2119.21026.041Display Cable Assembly, for 12.1, DSTN LCD6.5.2250.46915.021Display Cable Assembly, for 12.1, TFT LCD6.5.2250.48405.021LCD Screw Cover LeftRef47.46907.001LCD Screw Cover RightRef47.46904.001Left HingeRef34.46909.001Right HingeRef34.46919.001LCD ID BoardLCD Inverter 
						

							Service GuideA-3 A.3.2 System Base Assembly
As shown in Figure A-3, the System Base Assembly houses a variety of field-replaceable
subassemblies and components. The various assemblies and reference paragraph  numbers
containing removal/replacement procedures are listed in Table A-2.Figure A- 3Base Assembly FRUs
Table A-2Base Assembly Field-Replaceable Units (FRUs)
Base Assembly FRU DescriptionAssembly/Disassembly
ParagraphPart No.PC Board AssembliesMotherboard6.5.17Audio Baord6.5.1855.47002.001LED Board6.5.1355.47003.001Power Supply / Charger Board6.5.1605.62045.010Battery Board W/Cable6.5.1555.46904.501Keyboard Connection  Board6.5.1755.46905.501Touchpad Assembly6.5.1956.17469.011Button Board Logic w/Cable Assembly6.5.1950.46912.001KeyBoard Logic AssembliesKeyBoard Logic Assembly (U.S.)6.5.490.46907.011KeyBoard Logic Assembly (UK)6.5.490.46907.00UKeyBoard Logic Assembly (German)6.5.490.46907.00GCharger Board
AssemblyLED Board
Assembly 
						

							A-4Maintenance Data Table A-2Base Assembly Field-Replaceable Units (FRUs)
Base Assembly FRU DescriptionAssembly/Disassembly
ParagraphPart No.KeyBoard Logic Assembly (French)6.5.490.46907.00FKeyBoard Logic Assembly (Spanish)6.5.490.46907.00SKeyBoard Logic Assembly (Swiss/German)6.5.490.46907.007KeyBoard Logic Assembly (Italian)6.5.490.46907.00IKeyBoard Logic Assembly (Portuguese)6.5.490.46907.00PKeyBoard Logic Assembly (Sweden)6.5.490.46907.00WKeyBoard Logic Assembly (Danish)6.5.490.46907.00DKeyBoard Logic Assembly (Norwegian)6.5.490.46907.00NKeyBoard Logic Assembly (Finnish)6.5.490.46907.008KeyBoard Logic Assembly (Belgian)6.5.490.46907.00BKeyBoard Logic Assembly (Chinese)6.5.490.46907.00CKeyBoard Logic Assembly (Korean)6.5.490.46907.00KKeyBoard Logic Assembly (Japanese)6.5.490.46907.00JCablesInternal CD-ROM FPC Cable6.5.850.47002.001Internal CD-ROM FPC Cable6.5.850.47003.001PeripheralsFDD, 1.44 MB6.5.856.01051.071HDD, 1620 MB6.5.356.02921.021HDD, 2160 MB6.5.356.02941.011CD-ROM Drive, 8X6.5.856.10019.011Covers, Doors, ButtonsTop Cover Assembly6.5.1060.47005.001Memory Expansion Cover6.5.534.46904.011Left Hinge Cover6.5.442.46925.001Right Hinge Cover6.5.442.46924.001Hinge Cable CoverRef (Figure 6-24)42.46921.001HDD Cover6.5.342.47003.001Battery Door6.5.160.47016.001Misc.Base Assembly, 67x6.5.1060.47004.002Battery, Duracell, Ni-MH, SMB, (10.8V, 3500 mAH)6.5.123.20040.051AC Power Adapter, 45W, ADP-45HBRef25.10046.111Fan6.5.1223.10029.011Inside Frame Assembly6.5.1460.47003.002Heat Sink Assembly, 67x6.5.534.47007.002CPU P55CLM 150 2.5V PPGA6.5.701.IP55C.F00CPU INT P55C-166 2.8V SPGA6.5.701.IP55C.G60Touchpad Buttons6.5.1942.46937.001PCMCIA Connector Module6.5.1821.H0010.001 
						

							Service GuideA-5 Table A-2Base Assembly Field-Replaceable Units (FRUs)
Base Assembly FRU DescriptionAssembly/Disassembly
ParagraphPart No.Right Speaker with cableRef23.40015.021Left Speaker with cableRef23.40015.031Cover, FIR/Audio Board6.5.1134.47005.001Microphone W/CableRef60.47011.001The motherboard  is composed of the following spare parts/ components:
Table A-3Mainboard Spare Parts/Components
Mainboard Assembly Component DescriptionLocationPart No.CONVERTER DC-DC T62.050 V.CJ1019.20084.021CONNECTOR D ML 2R 9P RT HOLEJ320.10033.009CONNECTOR D FML 3R 15P RT HOLEJ420.20058.015CONNECTOR D FML 2R 25P RT HOLEJ220.20059.025HEADER BLK 1R 6P ST D2 4S H6J1720.60076.106CONN CTR ML 4R 120P RT D1.27J520.80031.120SKT MINI-DIN FML 6P RT SHIELDJ122.10021.011SKT IC PGA 320P ZIF 91607-222.10197.320SW SLIDE 12V0.3A RT DS-1200-02SW322.40048.341BTY LI 3V BR1225/H1A 48MAHBT123.20004.071BUZZER KSS-1201E 2048HZ D12J1323.60010.011CONN CTR SMD ML 32P ST D0.8J1420.F0009.032CONN D SMD 40P RT D0.635J1621.A0004.040CONN D SMD 52P RT D0.635 H11J1521.A0006.052HEAD SMD FML 2R 4P ST D2 4SJ921.E0004.202HEAD SMD FML 2R 30P ST D2 4SJ821.E0004.215CONN CTR SMD FML 80P ST D0.5J721.F0010.080SSKT DIMM 144P C-316310-1J1162.10024.001IC BUS BRIDGE M1523 V.I QFP20871.M1523.A0EIC PWR STATE CTRL M6375 QFP64PU2071.M6375.00EIC PWR MANAG. CTRL M6377 QFP100U1371.M6377.00EPC PCI/CARDBUS CTRL PCI1130U771.01130.00GIC AUDIO CTRL ES1878S TQFP100PU371.01878.00GIC PWR INTF.SW TPS2202AIDF SOPU1871.02202.00NIC CLK DRV CY2252 SSOP 28PCK171.02252.00IIC RTC BQ3285E SSOP 24PU2571.03285.00IIC GUI ACCE 65550 VB 3.3V TQFPU4671.65550.B0GIC SUPER I/O PC87338VJG A4U4671.87338.A0GIC FEROM 28F020-12 256K*8 PLCCU1772.28020.053IC SRAM 32K*32(UMC) PQFPSM1 272.32588.L15IC DRAM 416C254BT-6 256K*16 EDOUM2 UM372.41254.209 
						

							A-6Maintenance Data Table A-3Mainboard Spare Parts/Components
Mainboard Assembly Component DescriptionLocationPart No.IC DRAM 2M*8-60 EDO 3.3V 2K/SRDM1-872.48214.209IC SRAM 7C1399 15NS 32K*8 SOJTG172.71399.23BIC CMOS 74QST3384 QSOP 24P(TI)QS1-9 1173.03384.L13IC CMOS CD4066BC SO-N 14PU1073.04066.091IC TRANSCEIVER MAX213ECAI SSOPU3674.00213.0F9IC V.R PST594CMT SO-N 4PU3274.00594.031IC OP LM1458 SO-N 8PU4174.01458.011IC PWR SW TPS2013D SO-N 8PU37 3874.02013.031IC A.R. LP2951ACM SO-N 8PU4074.02951.A31IC INTF. SW SI9706DY SO-N 8PU39 45 4774.09706.031THERMOMETER DS1620 SO-N 8PTH175.01620.041RESO 8MHZ CSTC8.00MT CERAMICX182.10009.001CRYSTAL 32.768KHZ 6PF MC306X3 482.30001.001CRYSTAL 14.31818 16P 10PPMX282.30005.601 
						

							Service GuideA-7 A.4. Jumper Options
The remainder of this appendix describes the jumper configuration options for the 670 Series
boards.J1External PS/2 mouse/keyboard portJ15CD-ROM/FDD connector
J4External CRT portJ17Power supply board connector
J5Expansion port (port replicator)CN1LED board connector
J2Parallel portSW2CPU speed switch
J3Serial portSW1Password switch
J6FIR/audio board connectorJ16HDD connector
J8Charger connectorJ14Keyboard transfer board connector
J10DC-DC converter connectorJ11PC Card connector
J12Debug card golden fingerJ7Display cable connectorPassword Switch (SW1)SW1ONOFFswitch 1bypasscheckswitch 2-reservedCPU Speed Switch (SW2)CPU Core Voltage(Switch on DC-DC converter))SW2150 MHz166 MHz3.1V2.9Vswitch 1ONOFFswitch 1OFFONswitch 2OFFONswitch 2OFFONswitch 3ONONswitch 3OFFOFFswitch 4ONONswitch 4ONOFFFigure A- 4Main Board Jumper Options (top side)J1                 J4                   J5                         J2                   J3      J6SW1  SW2    CN1                                         J17J7
J11
J14J16J10
J12
J15J8 
						

							A-8Maintenance DataSW3CD-ROM/FDD lock/unlock switch
DIMM2DIMM slot 2
DIMM1DIMM slot 1
J18Feature board connector
Figure A-5Main Board Jumper Options (bottom side)U1FIRJ4Left speaker connector
SW1LCD cover switchJ5Internal microphone connector
J1Mic-in connectorJ6Fan connector
J2Line-in connectorJ7Right speaker connector
J3Line-out connector
Figure A-6FIR/Audio Board Jumper OptionsJ18SW3U1                                       SW1         J1         J2          J3J4                       J5          J6                                   J7DIMM1     DIMM2