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...

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...

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....

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...

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...

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...

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...

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...

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...

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...