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Related Manuals for Asus TP420UA Series
Summary of Contents for Asus TP420UA Series
- Page 1 Repair Manual IMPORTANT NOTICE: This document is intended for ASUS Authorized Service Providers only. Performing any repairs without authorization will void warranty. ASUS will not be liable for any damages that may occur while performing any procedures provided in this guide.
- Page 3 Service Overview • ASUS is not responsible for direct, indirect, intentional o unintentional damages resulting from improper installation and operation. • Carefully read through this Service Guide for a look at various components of the device before performing any service and repairs.
- Page 4 Pre-repair checklist • Read the entire manual before starting any service procedures and follow all instructions. • Back up the data on your device. • Place your device on a clean and stable surface. • Turn off your device. • Disconnect all connected peripherals and cables.
- Page 5 ASUS TP20UA Overview Top View Bottom View ❶ Audio speakers ❶ Power Button ❺ USB 3.2 Gen 2 port Right View ❷ MicroSD card slot ❻ HDMI output port ❸ Headphone/Headset/Microphone jack ❼ Power(DC) input port ❹ USB 3.2 Gen 2 Type-C port Left View ❶...
- Page 6 Components Top View HINGE KEYBOARD MODULE TOUCHPAD MODULE LCD COVER CCD ALL FOIL R IMR L IMR FP FFC Bezel Cap WIFI ANTENNA MAIN BOARD CPU FAN TP FFC CAMERA UB BOARD PB BOARD UB FFC 14.0' LCD Module SPEAKER TP BOARD BATTER WLAN module...
- Page 7 Components Bottom View KEYBOARD MODULE LCD COVER THERMAL MODULE ASSY LCD COVER TAPE Bezel Cap BASE CASE TP BOARD MAIN BOARD LCD Module WLAN MODULE UB BOARD TOUCHPAD MODULE SO-DIMM Back...
- Page 8 Repair Overview This chapter describes disassembly and assembly (Assemble document please look up from the last page), please follow the information provided in this section to perform the complete disassembly procedure. Precautions: Before you perform any service or repair on the notebook, please pay special attention to the cautions prevent any damages to the notebook. 1.
- Page 9 Appropriate Tools Please prepare and select the appropriate tools to disassemble/assemble for the notebook. Screwdriver Alcohol 95% Glove Dust-free Cloth Please accord to different screw specification to choose different screwdriver and head. Plastic Blade Thermal Pad Plastic Tweezers Use a pair of tweezers to remove/insert/tidy cables. G500 Thermal Grease Thickness Gauge Thickness compass specification 0.05mm-1.5mm.
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Page 10: Bottom Case
BOTTOM CASE Disassembly Notice Step 1 : Remove screws *10pcs. Screws Spec Torque (kgf-cm) Step 2 : Use plastic blade to pry the bottom case. SCREW M2*7L 2±0.2 SCREW M2*3.5L 2±0.2 Start Please follow above arrow direction To avoid the bottom case hook, with using plastic blade to pry bottom don't insert plastic blade in each case in each blue circle location. - Page 11 BATTERY Disassembly Notice Please be sure to pull out adapter and disconnect the battery. Before disassembly battery connector, please be sure to pull out adapter and disconnect the battery more than ten seconds in order to IC damage. Step 1 : Disconnect the battery connector. Torque(kgf-cm) Screws Spec...
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Page 12: Wlan Module
WLAN MODULE Disassembly Notice Please be sure to pull out adapter and disconnect the battery. Step 1 : Disconnect the WLAN cable. Step 2 : Remove the screw *1pcs. Assembly Notice Step 3 : Remove the WLAN module. Black main cable connect the indicator number 2(▲MAIN), Torque (kgf-cm) Screws Spec... - Page 13 SPEAKER Disassembly Notice Please be sure to pull out adapter and disconnect the battery. Step 1 : Disconnect the keyboard and backlight connectors. Assembly Notice Step 2 : Lift up the conductive cloth from bottom but not remove. Step 3 : Disconnect the SPEAKER connector. For Speaker assembly, please follow the mark below to tidy cable.
- Page 14 Disassembly Notice Please be sure to pull out adapter and disconnect the battery. Step 1 : Disconnect the fan cable . Screws Spec Torque (kgf-cm) Step 2 : Remove screws *3pcs. SCREW M2*3.5L 2.0±0.2 Step 3 : Remove FAN *1pcs. Assembly Notice Please use the correct technique to take fan off to avoid getting out of shape.
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Page 15: Thermal Module
THERMAL MODULE Disassembly Notice Please be sure to pull out adapter and disconnect the battery. Step 1 : Please follow the reverse screws numbers to remove screws *4pcs. Screws Spec Torque (kgf-cm) Step 2 : Remove the THERMAL MODULE from MB and top case. SCREW M2*2.5L 2.0±0.1 Recommend that the force point is at green block with both hand together, and pull up... - Page 16 SSD&SO-DIMM Disassembly Notice Please be sure to pull out adapter and disconnect the battery. Assembly Notice Step 1 : Remove CPU AL foil. Please make sure DDR shielding contain 5 Screws Spec Torque (kgf-cm) Step 2 : Remove DDR shielding. different parts, must note TH PAD thickness is Step 3 : Remove DDR absorbing material.
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Page 17: Power Board
POWER BOARD Disassembly Notice Please be sure to pull out adapter and disconnect the battery. Step 1 : Disconnect the power FFC connector. Screws Spec Torque (kgf-cm) Step 2 : Release screw 1*pcs and remove the POWER BOARD. SCREW M2*3.5L 2.0±0.1 Disconnect Assembly Notice... -
Page 18: Main Board
MAIN BOARD Disassembly Notice Please be sure to pull out adapter and disconnect the battery. Step 1 : Release the EDP cable conductive cloth. Screws Spec Torque (kgf-cm) Step 2 : Disconnect (yellow mark) connector *4pcs. Step 3 : Remove screws *11pcs. SCREW M2*3.5L 2.0±0.1 Step 4 : Remove screws *4pcs. - Page 19 MAIN BOARD Mainboard connector placement EDP CABLE IO FFC POWER BOARD FFC BATTERY FP FPC BL FPC TP/MB FFC K/B FPC SPEAKER Back...
- Page 20 MAIN BOARD Materials on mainboard CPU_BKT_AL_FOIL CPU BRACKET MB_MYLAR Back...
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Page 21: Usb Board
USB BOARD Disassembly Notice Please be sure to pull out adapter and disconnect the battery. Step 1 : Disconnect USB board FFC. Torque (kgf-cm) Screws Spec Step 2 : Remove screw *1pcs. Step 3 : Remove USB board. SCREW M2*2.0L 2.0±0.1 Assembly Notice Disconnect... -
Page 22: Touchpad Module
TOUCHPAD MODULE Disassembly Notice Please be sure to pull out adapter and disconnect the battery. Step 1 : Disconnect and remove the TP FFC or FP FFC (yellow mark). Torque (kgf-cm) Screws Spec Step 2 : Release the conductive cloth. SCREW M2*2.0L 2.0±0.1 Step 3 : Remove screws *3pcs. -
Page 23: Lcd Bezel
LCD BEZEL Disassembly Notice Please be sure to pull out adapter and disconnect the battery. Step 1 : Remove LCD BEZEL. Remove Start To avoid the bezel hook, don‘t insert plastic blade in each red indicator. Back... -
Page 24: Lcd Module
LCD MODULE Disassembly Notice Please be sure to pull out adapter and disconnect the battery. Step 1 : Pull out LCD adhesive *2pcs. Screws Spec Torque (kgf-cm) Step 2 :Remove the screws*4pcs. Step 3 : Remove LCD PANEL. SCREW M1.6*2.3L 0.7±0.1 kgf-cm Continue next page…... - Page 25 LCD MODULE Disassembly Notice Please be sure to pull out adapter and disconnect the battery. Step 4 : Flip the TP board. Step 5 :Disconnect the TP board connectors. Remove Step 6 : Remove TP BOARD. Step 7 : Disconnect EDP cable connector. Step 8 : Remove EDP cable with camera.
- Page 26 LCD MODULE Assembly Notice Please be sure to pull out adapter and disconnect the battery. When reuse the LCD COVER: Please paste new PANEL ADHESIVE *2pcs. (New LCD COVER already contains PANEL ADHESIVE *2pcs) TP420IA LALA_ADHESIVE_R TP420IA LALA_ADHESIVE_L Please follow the green mark to tidy EDP cable. Paste the adhesive on the upper end of the FPC first, and then paste the adhesive on the...
- Page 27 CAMERA Disassembly Notice Please be sure to pull out adapter and disconnect the battery. Step 1 : Disconnect the CMOS connector then remove the CMOS cable . Step 2 : Remove two mic rubbers. Step 3 : Remove CCD AL foil. Assembly Notice The gray MIC rubber should be placed on the right side, and the black one is on left side,...
- Page 28 ANTENNA AND HINGE Disassembly Notice Please be sure to pull out adapter and disconnect the battery. Step 1 : Remove WLAN antenna main and aux. Screws Spec Torque (kgf-cm) Step 2 : Remove screws 6*pcs. Step 3 : Remove hinges. SCREW M2*2.0L 2.0±0.1 Assembly Notice...
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