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Chrom@ II Disassembly n Required Tools n Disassembly Instructions n Reassembly Instructions

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Chrom@ II Disassembly

n Required Tools

n Disassembly Instructions

n Reassembly Instructions

Disassembly and Reassembly - 2

Required Tools All Chrom@ II maintenance procedures can be performed using the following tools:

n Tweezers

n Small flat-head screwdriver

n Small Philips screwdriver

n Right-angled dentist style probe

Disassembly Instructions This document contains step-by-step disassembly instructions for the Chrom@ II. The instructions are clarified by images of the part that is being removed or disassembled. Furthermore, the screws that are removed are shown next to the image of the parts themselves. When disassembling the system unit, follow these general rules.

n Do not disassemble the system into parts that are smaller than those specified in the instructions.

n Label all removed connectors. Note where the connector goes and in what position it was installed.

n Turn off the power and disconnect all power and all options. Also remove any PC-Cards that are in the PCMCIA slot.

Note It is possible that in some instances other screws were used during manufacturing than the ones indicated in the disassembly instructions.

Disassembly and Reassembly - 3

1. Battery The battery pack should be removed as follows:

a. Turn the unit upside down. b. Slide the latch into the unlock position and hold it. c. Lift the battery at the side of the latch and take it out of the

bottom base.

Fig. 1: Battery removal.

2. Modem To remove the modem follow the steps below:

a. Remove the screw of the modem cap (1x A), see Fig. 1: . b. Open the modem cap and take it away. c. Unlock the modem. d. Disconnect the modem cable.

Fig. 2: Disconnecting the modem cable.

e. The modem is now free.

Disassembly and Reassembly - 4

3. Memory The memory module(s) should be removed as follows:

a. Remove the memory cap screw (1xA), see Fig. 1: . b. Take away the memory cap. c. Release the SO-DIMM memory module(s). d. Remove the module(s).

Fig. 3: Removing the SO-DIMM module(s).

4. Floppy Disk Drive The floppy disk drive can be taken out of its bay according to the next steps:

a. Slide the latch into the unlock position and hold it. b. Slide the floppy disk drive out of its bay.

Fig. 4: Sliding out the floppy disk drive.

Disassembly and Reassembly - 5

5. Hard Disk Drive The following instructions explain how to remove the HDD and its bracket and connector:

a. Remove the HDD cap screw (1xA), see Fig. 1: . b. Take away the HDD cap. c. Disconnect the flat cable from the mainboard. d. Remove the screws (2xA) that hold the HDD. e. Lift the HDD out of its bay.

Fig. 5: Disconnecting the HDD flat cable from the mainboard and removing the HDD screws.

f. Disconnect the flat cable from the hard disk drive. g. Remove the four screws (4xB) that hold the bracket. h. Remove the HDD bracket. i. Disconnect the flatcable from the HDD.

Fig. 6: Disconnecting the flat cable and removing the brackets from the hard disk drive.

Disassembly and Reassembly - 6

6. Mini Cover and Button Panel Remove the mini cover and the button panel as follows:

a. Turn the unit right side up. b. Remove the mini cover.

Fig. 7: Removing the mini cover.

c. Remove the button panel screw (1xC).

Note During re-assembly it might be easier to first open the LCD panel, place the mini cover, close the LCD panel and then lock the mini cover its place.

Fig. 8: Removing the button panel screw.

d. Open the LCD screen. e. Lift the button panel, but do not yet take it away. f. Disconnect the cable from the button panel.

Disassembly and Reassembly - 7

Fig. 9: Disconnecting the button panel flat cable.

g. The button panel is now free. h. Disconnect the cable from the mainboard. Now the button board can be disassembled. To do so: i. Remove the screws (7xD) that hold the button board.

Fig. 10: Disassembling the button panel.

j. Remove the board from the panel.

7. Keyboard Remove the keyboard as follows: a. Lift the keyboard. b. Disconnect the cable from the mainboard. c. The keyboard is now free.

Fig. 11: The keyboard cable and removing the heatplate.

Disassembly and Reassembly - 8

8. Heat Plate Remove the heat plate as follows:

a. Remove the four screws (4xE) - in the order indicated by the small numbers - from the heat plate (see Fig. 11: ). Note that these screws have a spring, but are not locked!

b. Remove the heat plate.

9. CPU Below you can find necessary steps for removing the CPU:

a. Release the socket by turning the single screw. b. Take out the CPU.

Fig. 12: Releasing the CPU socket.

10. LCD Panel The procedure below describes how to remove the LCD panel from the base unit:

a. Slide the hinge covers outwards and off the base unit.

Note Take care to note which side each hinge cover belongs to as they are not entirely symmetrical.

b. Disconnect the two cables from the mainboard. c. Disconnect the two speaker cables. d. Remove the four hinge screws (4xF).

Disassembly and Reassembly - 9

Fig. 13: Grounding cable screw, unhooking and disconnecting the LCD signal cables.

e. Lift the LCD panel away from the base unit.

11. LCD Panel Disassembly The LCD panel should be disassembled according to the following procedure:

a. Remove four of the six bumpers (2xY, 2xZ). Note that the two top outer bumpers need not be removed.

b. Remove the four screws (2xG, 2xH).

Fig. 14: Removing the bumpers and screws of the LCD panel.

Disassembly and Reassembly - 10

c. Release the LCD panel bezel from the inside (i.e. the edge along the LCD screen), starting at the bottom.

d. The LCD bezel is now free from the panel assembly. e. Remove the screws (2xI) from the inverter board. f. Remove the logo illumination flatcable from the inverter board. g. Remove the LCD inverter cable from the inverter board. h. Slide off the plastic inverter board cover. i. The inverter board is now free.

Fig. 15: Removing the inverter board screws and disconnecting its cables.

j. Disconnect the inverter-to-base connector from the inverter

board.

Fig. 16: Disconnecting the inverter-to-base cable.

k. Remove the three hinge screws (3xK). l. Remove the LCD brackets screws (4xK).

Fig. 17: Removing the hinge and the LCD brackets screws.

m. Lift the LCD panel away from the back panel.

Disassembly and Reassembly - 11

Note During reassembly the cables should be guided into their correct place in the brackets.

n. Turn the LCD panel upside down. o. Remove the two LCD brackets. p. Remove the LCD connector from the back of the LCD panel.

Fig. 18: Removing the LCD connector.

q. Remove the padding from the centre of the back of the panel. r. Remove the logo illumination module. s. Remove the four speakers screws (4xI).

Fig. 19: Removing the logo illumination module and the speaker screws.

t. Remove the two speakers. u. Unlock the LCD latch button and take it away. v. Remove the LCD latch and its spring.

Disassembly and Reassembly - 12

Fig. 20: Removing the LCD latch.

12. Left and Right Fan The two fans should be removed according to the following instructions:

a. Turn the unit upside down. b. Remove the screws (1xA) that holds the fan cap. c. Disconnect the fan cables. d. Remove both the left and right fan.

Fig. 21: Disconnecting the fan cables and removing the fans.

13. DVD-ROM Drive Follow the steps below to remove the DVD-ROM drive, its brackets and its front cover:

a. Turn the unit right side up. b. Remove the screws near the touchpad (1xA, 1xM). c. Disconnect the flat cable from the mainboard.

Disassembly and Reassembly - 13

Fig. 22: Removing the top DVD screws and disconnecting the flat cable.

d. Turn the unit upside down. e. Remove the two screws (2xL) that hold the drive from the

bottom. f. Slide the DVD-ROM drive out of the bottom base.

Fig. 23: Removing the bottom DVD screws.

g. Disconnect the flat cable from the DVD-ROM drive. h. Remove the five screws (5xN) that hold the DVD back bracket. i. Slide off the back bracket. j. Slide of the DVD front cover.

Disassembly and Reassembly - 14

Fig. 24: Removing the DVD-ROM bracket screws and disconnecting the flat cable.

14. Top Cover The following procedure describes how to remove the bottom cover:

a. Remove the 11 screws (6xL, 2xD, 3xA) that hold the top cover from below.

Fig. 25: The screws that hold the top cover from below.

b. Turn the unit right side up. c. Lift the two speaker covers downwards to unlock them. d. Take away the speaker covers. e. Remove the seven screws (2xO, 1xL, 2xM, 2xP). f. Disconnect the touchpad connector (TP). g. Disconnect the lid switch connector (LSC). h. Disconnect the LCD speaker cable (SPK).

Disassembly and Reassembly - 15

Fig. 26: The top screws, the touchpad connecter, the lid switch connector and the LCD speaker cable.

i. The top cover is now free.

15. Top Cover Disassembly The top cover should be disassembled as follows:

a. Turn the top cover upside down. b. Remove the speaker extension cable.

Fig. 27: The speaker extension cable.

Note During reassembly the cables should be guided through the brackets marked in the image above.

c. Remove the screws (5xD) that hold the touchpad. d. The touchpad unit and its cable are now free.

Disassembly and Reassembly - 16

Fig. 28: Removing the touchpad screws.

e. Remove the screws (2xD) holding the lid switch. f. Take away the lid switch.

Fig. 29: Removing the lid switch screws.

g. Disconnect the left speaker connector, and remove the left speaker.

h. Disconnect the right speaker connector, and remove the right speaker.

Disassembly and Reassembly - 17

Fig. 30: Disconnecting the speaker connectors, and removing the FDD screw.

16. Volume Board The steps below describe how to remove the volume board:

a. Disconnect the speaker cable and the speaker extension cable from the volume board.

b. Take away the speakers. c. Lift the volume board, and take it away.

Fig. 31: Disconnecting the speaker extension cable.

17. FDD Bay Cover Next is described how to remove the FDD bay cover:

a. Remove the screw (1xA) that holds the FDD (see Fig. 30: ). b. Remove the FDD bay cover.

Disassembly and Reassembly - 18

18. PC Card Slot Frame Here you find how to remove the PC Card slot frame:

a. Lift the slot frame away from the base unit.

Fig. 32: Removing the PC Card slot frame.

19. Mainboard The following procedure explains how to remove the mainboard from the bottom base reassembly:

a. Remove the two screws (1xA, 1xD) that hold the mainboard. b. Lift the mainboard out of the bottom base.

Fig. 33: Removing the mainboard screws.

Disassembly and Reassembly - 19

20. Bottom Base Disassembly Next is described how to disassemble the bottom base:

a. Remove the LAN cable (LAN). b. Remove the modem cable (MC). c. Remove the bottom speaker extension cable (SEC).

Fig. 34: The LAN cable, modem cable and the bottom speaker extension cable.

d. Remove the screws (2xI) that hold the USB port bracket. e. The metal USB port bracket is now free.

Fig. 35: The screws that hold the USB port bracket.

f. Remove the 2 hex bolts (2xQ). g. The metal CRT bracket is now free.

Disassembly and Reassembly - 20

Fig. 36: The CRT bracket screws..

h. Remove the rubber caps for the modem and LAN connectors.

Reassembly Instructions Reassembly is the reverse of the disassembly process. Use care to ensure that all cables and screws are returned to their proper positions.