Technical Service Manual for Service Center Acer DX900

Rev 4.0

March 09, 2009

Acer Inc.

CHAPTER 6.

DISASSEMBLY

Ref. Illustration Sequences

Main Unit

Stylus, Battery Cover & Battery, SIM Card (if has)
Stylus40011960 Battery Cover40011950 Battery49005800
A. Pull out the Stylus. B. Remove Battery-cover from the unit, bottom side go first. C. Tear up the strap of battery then remove battery from the unit. D. Finish.

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Rear Cover

Vibrator

Screw (2pcs)44001330 Rear Cover64042060 Vibrator49005260
A. Unscrew two M1.6x4 screws located on bottom side by T5 screwdriver. B. Use plastic-stick to poke a bit near the USB connector, lift it up with a little strength. C. Unfasten all hooks then remove rear cover. D. Remove vibrator from rear cover by using tweezers. E. Finish.
Caution!! The surface of the Cover may easily been cut or get injury, keep alert if use any sharp tools.

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Antenna Cover
Screw (2pcs)44001330 M/B64042040 Antenna Cover64042070
A. Unscrew two M1.6x4 screws located on topside by T5 screwdriver. B. Gently unfasten M/B from power button side then hold MB at 60 degrees angle with LCD. C. Use tweezers to release LCD and keypad FPC cables then remove M/B. D. Unfasten the hooks of antenna cover at three edges on top of M/B. E. Separate antenna cover and M/B. F. Finish. Watch pogo-pins around the corner while removing the antenna cover. WARNING. Do not insert plastic-stick into Micro-SD slot.

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Speaker, Flash LED board
Speaker49005290 Flash LED board67006970
A. Pull speaker out from its beetle edge by plastic-stick. B. Gently pull the hooks that held on Flash LED board. Once it has gap between hooks and board, take out Flash LED board carefully by using tweezers. C. Finish.
Note. Hooks on Flash LED board might be cracked if pull it roughly.

Front Cover

LCD Assy64042080 Front Cover64042050 Gasket33002330
A. Tear the gasket from LCD then remove SD cover. B. Insert tweezers into two corners on bottom side of LCD then pull it up as 20 degrees angle. C. Gently push LCD topside to bottom side by using tweezers. D. After LCD topside released from two hooks on front cover, remove LCD. E. Finish.
Note. Move or pass the LCM with care, it can be damaged by dropped, or by indiscreet disassembly.

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MIC Cap, Camera Shielding & 3M Camera
MIC Cap43001200 Camera shielding41003240 3M Camera03040290
A. Peel off the MIC cap from M/B. B. Gently poke a lifting spot along the edge of shielding by using Tweezers. C. Balance the strength to both sides of shielding when picking up. D. Remove camera module from its socket on M/B. E. Finish.

Receiver

Receiver49005280
A. Remove receiver by using tweezers. Finish.

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CHAPTER 7.

ASSEMBLY

Receiver49005280 Front Cover64042050
Place receiver to front cover by using tweezers.
LCD Assy64042080 Gasket33002330

Step 2 Step 1

Step 3
A. Clean LCD and front cover in clean bench/box first. B. Take LCD and push it forward to topside of front cover. Fix LCD topside at two hooks. C. Install bottom side of LCD Step 1Push bottom edge of LCD to right side and hold it. Step 2Push downward the corner of LCD then fix it at the hook. Step 3Insert tweezers between LCD and front cover (right side of hook) then pull downward to let LCD fix at hook. D. Stick gasket to keypad FPC cable behind LCD (need to change new gasket if LCD exchange).

Note. Slide the LCD with care. Indiscreet assembly could damage LCD.

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Antenna cover
Flash LED board67006970 Speaker49005290
A. Place Flash LED board (LED aims at the bottom side) to antenna cover by tweezers. B. Beetle edge of speaker should aim at the indentation then place speaker on antenna cover by using tweezers.
MIC Cap43001200 MIC Cap, 3M Camera, Camera shielding, Sponge_ Camera Sponge_Camera58000970 Camera shielding41003240 M/B 3M Camera03040290
A. Place camera module. Aim its connector to the socket on M/B. B. Stick new sponge if camera exchange. C. Place camera shielding the frame. Checking if it mounts well around the frame edge. D. Put on the MIC cap to its body on the M/B.

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Antenna Cover64042070 M/B64042040 Screw (2pcs)44001330
A. Install antenna cover on M/B. Watch the pogo pins while installation. B. Insert LCD FPC cable to its connector on MB. Then attach keypad FPC connector to its socket on M/B. C. Place M/B on front cover. Before fixing two screws, check all buttons (red circles in above photo) on front cover are not getting stuck. D. Fixing two T5 screws on MB topside.

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Vibrator49005260 Rear Cover64042060 Screw (2pcs)44001330 Warranty Sticker53005560

Warranty sticker

A. Install vibrator into rear cover. B. Place rear cover on front cover. Gently push the covers to fix them together. Both covers should close without any gaps. C. Fix two T5 screws. D. Stick warranty sticker on the screw that at stylus side.

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Stylus, Battery Cover & Battery
A. Install battery into PDA. B. Attach battery cover on PDA. C. Insert stylus back to PDA. D. Turn power on. Test all functions as chapter 5 before return device back. E. Finish.

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