Puhui T-890 User Manual Download | Manualshive

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IRDA-WELDER T-890 USER MANUAL

Http://

www.tech168.cn

3

2. Front panel

3. Portal frame and lamp body

Indicator light

Power switch

Press button

Display screen

Lamp connecting line

Moving hand wheel

Focusing knob

Lamp body adjust knob

Portal frame

Circuit board support

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Summary of Contents for T-890

Page 1: ...BGA IRDA WELDER T 890 USER MANUAL BGA IRDA WELDER USER MANUAL MODEL T 890 TAIAN PUHUI ELECTRIC TECHNOLOGY CO LTD http www tech168 cn ...

Page 2: ... super hot melt system use infrared welding technology which is developed independently heat is easy to pierce and distribute evenly can suit for a variety of computer notebook play station s BGA components especially in a Northbridge Southbridge chipset of computer 6 Friendly human machine operation interface perfect LCD display you can watch the whole repairing process very clearly 7 Ergonomic d...

Page 3: ...ng chassis temperature range 0 350 Size 316mm X 410mm X 290mm Net weight 9 3 kg Main parts Welding table main body 1 Infrared lamp body 1 Portal frame 2 Power line 1 User manual Compact disc 1 Description of the main parts 1 Welding table main body Preheating chassis Portal frame Front panel Lamp body Slide support Circuit board support Focusing knob ...

Page 4: ...Http www tech168 cn 3 2 Front panel 3 Portal frame and lamp body Indicator light Power switch Press button Display screen Lamp connecting line Moving hand wheel Focusing knob Lamp body adjust knob Portal frame Circuit board support ...

Page 5: ...eat when in use Check the power supply voltage connect the machine with the power supply turn on the power switch the LCD screen will display as follows 5 1 Main manu page 2 Press F1 button about 2 seconds the preheating chassis starts to work press F1 button again to stop 3 Press F3 button enters to the PCB temperature adjusting page press F2 select different page press F3 select the temperature ...

Page 6: ...ess F3 button 2 The wave selection and setting 1 Press F2 button enters to the select set page firstly set the preheating chassis preheat temperature press F3 F4 buttons up and down to select different temperature press F1 button to save When save succeed the LCD screen displays as follows 2 Press F5 button come to the Main Manu page press F2 button enters to the select set page the LCD screen dis...

Page 7: ... come to the Main Manu page 4 If you want to reset the wave press F5 button when it flicker the grid you can set Press F3 F4 buttons up and down to select different temperature press F1 F2 buttons forward and backward to select different time press F5 button to save the grid disappear change to the previous flicker status press F4 button come to next Segment the same method to set the wave press F...

Page 8: ...the setting temperature 6 Each temperature wave purposes as follows Wave one use the same with soldering the less lead paste like 85Sn 15Pb 70Sn 30Pb Wave two use the same with unsoldering the less lead paste 85Sn 15Pb 70Sn 30Pb Wave three use the same with soldering the more lead paste like 63Sn 37Pb 60Sn 40Pb ...

Page 9: ...ore lead paste like 63Sn 37Pb 60Sn 40Pb Wave five use the same with soldering high melting point lead free paste like Sn Ag3 5 Sn Cu 75 Sn Ag4 0 Cu 5 Sn95 5 Ag3 8 Cu0 7 Wave six use the same with unsoldering high melting point lead free paste like Sn Ag3 5 Sn Cu 75 Sn Ag4 0 Cu 5 Sn95 5 Ag3 8 Cu0 7 ...

Page 10: ...ips size and welding technological requirements select the right wave to unsolder the chips use tweezer or vacuum nozzle to remove the chips 2 Infrared lamp temperature wave set temperature and the rate of time can not be greater than 2 S each time setting value cannot exceed 250 seconds 3 If you want to reset to Factory Default press F1 and F5 at the same time then turn on the power switch when h...

Page 11: ...ase of damaging the PCB and components when it goes into the welding area and the temperature heats up quickly When PCB board goes into the welding area the temperature heats up and the solder paste melts PCB board goes into cooling area Then the liquid solder paste the soldering points solidify The reflow process is finished The temperature is the key to welding quality The actual and the setting...

Page 12: ...he infrared lamp body temperature sensor and power line to check if they are in good connection 2 Adjustment and preparatory work before sealing off repair 1 Put and adjust the PCB board Pull out the slid support unscrew the closing handle on the bracket adjust the PCB board bracket and put the PCB board aim at the bracket rabbet Put the PCB board on the socket screw the closing handle on the PCB ...

Page 13: ... put some flux set the temperature of preheat plate Then choose the temperature wave of the lamp turn on the preheat plate and infrared lamp to heat up When reach the peak temperature or the chip pad melts put away the chip by the tweezer or vacuum nozzle After carry out the infrared lamp temperature wave it comes back automatically When the main body cools down well you should turn off the power ...

Page 14: ...e temperature measurement isn t exact And the chip is heat for too long time and the temperature is too high leading the chip heat damaged 2 When the chip is big for example computerboard XBOX360motherboard When sealing off repair big PCB board chip for example the computer board XBOX360 motherboard and so on must certainly carry on the whole board preheat and dry or according to the factory techn...

Page 15: ... the connecting rod the guide rod polish rod etc 3 Do not cut the power off right after the work finished You need wait until the fan cools down so that to prolong the useful time Cautions 1 Be careful of operating under high temperature condition 2 Pull out the power if don t use the machine for a long time Warranty The complete machine has a warranty period of 1 year from the time of purchase an...

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