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15.1. PREPARATION
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PbF (: Pb free) Solder
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Soldering Iron
Tip Temperature of 700°F ± 20°F (370°C ± 10°C)
Note:
We recommend a 30 to 40 Watt soldering iron. An
expert may be able to use a 60 to 80 Watt iron where
someone with less experience could overheat and damage
the PCB foil.
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Flux
Recommended Flux: Specific Gravity
→
0.82.
Type
→
RMA (lower residue, non-cleaning type)
Note:
See
ABOUT LEAD FREE SOLDER (PbF: Pb free)
(P.5).
15.2. REMOVAL PROCEDURE
1. Put plenty of solder on the IC pins so that the pins can be
completely covered.
Note:
If the IC pins are not soldered enough, you may give
pressure to the P.C. board when cutting the pins with a
cutter.
2. Make a few cuts into the joint (between the IC and its pins)
first and then cut off the pins thoroughly.
3. While the solder melts, remove it together with the IC pins.
When you attach a new IC to the board, remove all solder
left on the land with some tools like a soldering wire. If some
solder is left at the joint on the board, the new IC will not be
attached properly.
15.3. INSTALLATION PROCEDURE
1. Tack the flat pack IC to the PCB by temporarily soldering
two diagonally opposite pins in the correct positions on the
PCB.
Be certain each pin is located over the
correct pad on the PCB.
2. Apply flux to all of the pins on the IC.
3. Being careful to not unsolder the tack points, slide the
soldering iron along the tips of the pins while feeding
enough solder to the tip so that it flows under the pins as
they are heated.
15.4. REMOVING SOLDER FROM
BETWEEN PINS
1. Add a small amount of solder to the bridged pins.
2. With a hot iron, use a sweeping motion along the flat part of
the pin to draw the solder from between the adjacent pads.
15 HOW TO REPLACE A FLAT PACKAGE IC
Even if you do not have the special tools (for example, a spot heater) to remove the Flat IC, with some solder (large amount),
a soldering iron and a cutter knife, you can easily remove the ICs that have more than 100 pins.
56
KX-TES824LA / KX-TEM824LA /
Содержание KX-TES824LA
Страница 6: ...1 2 HOW TO RECOGNIZE THAT Pb FREE SOLDER IS USED 6 KX TES824LA KX TEM824LA ...
Страница 12: ...6 NAMES AND LOCATIONS 7 CONNECTION 7 1 SERIAL INTERFACE CONNECTION 12 KX TES824LA KX TEM824LA ...
Страница 28: ...28 KX TES824LA KX TEM824LA ...
Страница 42: ...12 TROUBLESHOOTING GUIDE 12 1 NO OPERATION Check POWER SUPPLY BOARD MAIN BOARD 42 KX TES824LA KX TEM824LA ...
Страница 43: ...12 2 NO DIAL TONE KX TES824LA MAIN BOARD OF KX TEM824LA 43 KX TES824LA KX TEM824LA ...
Страница 44: ...12 3 CANNOT DIAL KX TES824LA MAIN BOARD OF KX TEM824LA 44 KX TES824LA KX TEM824LA ...
Страница 55: ...14 TERMINAL GUIDE OF ICS TRANSISTORS AND DIODES 55 KX TES824LA KX TEM824LA ...
Страница 57: ...16 FIXTURES AND TOOLS 57 KX TES824LA KX TEM824LA ...
Страница 58: ...17 CABINET AND ELECTRICAL PARTS LOCATION 58 KX TES824LA KX TEM824LA ...
Страница 59: ...18 ACCESSORIES AND PACKING MATERIALS 59 KX TES824LA KX TEM824LA ...
Страница 79: ...79 KX TES824LA KX TEM824LA ...
Страница 111: ...21 7 1 WAVEFORM 111 KX TES824LA KX TEM824LA ...
Страница 112: ...112 KX TES824LA KX TEM824LA ...
Страница 113: ...21 7 2 Memo 113 KX TES824LA KX TEM824LA ...
Страница 119: ...23 KX TE82461X 4 PORT DOORPHONE CARD 119 KX TES824LA KX TEM824LA ...
Страница 120: ...23 1 HOW TO RECOGNIZE THAT Pb FREE SOLDER IS USED 120 KX TES824LA KX TEM824LA ...
Страница 123: ...123 KX TES824LA KX TEM824LA ...
Страница 127: ...23 7 TERMINAL GUIDE OF ICS TRANSISTORS AND DIODES 127 KX TES824LA KX TEM824LA ...
Страница 128: ...23 8 ACCESSORIES AND PACKING MATERIALS 128 KX TES824LA KX TEM824LA ...
Страница 135: ...24 KX TE82474X 8 PORT SLT EXTENSION CARD 135 KX TES824LA KX TEM824LA ...
Страница 136: ...24 1 HOW TO RECOGNIZE THAT Pb FREE SOLDER IS USED 136 KX TES824LA KX TEM824LA ...
Страница 142: ...142 KX TES824LA KX TEM824LA ...
Страница 143: ...143 KX TES824LA KX TEM824LA ...
Страница 147: ...24 5 TROUBLESHOOTING GUIDE 24 5 1 No Dial Tone 24 5 2 Cannot Dial 147 KX TES824LA KX TEM824LA ...
Страница 148: ...24 5 3 Cannot Call Extension 148 KX TES824LA KX TEM824LA ...
Страница 151: ...24 8 CABINET AND ELECTRICAL PARTS 24 9 ACCESSORIES AND PACKING MATERIALS 151 KX TES824LA KX TEM824LA ...
Страница 157: ...24 12 MEMO 157 KX TES824LA KX TEM824LA ...
Страница 166: ...25 KX TE82480X 2 PORT ANALOGUE CO LINE AND 8 PORT SLT EXTENSION CARD 166 KX TES824LA KX TEM824LA ...
Страница 167: ...25 1 HOW TO RECOGNIZE THAT Pb FREE SOLDER IS USED 167 KX TES824LA KX TEM824LA ...
Страница 178: ...178 KX TES824LA KX TEM824LA ...
Страница 179: ...179 KX TES824LA KX TEM824LA ...
Страница 183: ...25 6 TROUBLESHOOTING GUIDE 25 6 1 No Dial Tone 25 6 2 Cannot Dial 183 KX TES824LA KX TEM824LA ...
Страница 185: ...25 6 6 Cannot Receive Call Dial Tone 25 6 7 Cannot Send A Hold On Music 185 KX TES824LA KX TEM824LA ...
Страница 188: ...25 9 CABINET AND ELECTRICAL PARTS 25 10 ACCESSORIES AND PACKING MATERIALS 188 KX TES824LA KX TEM824LA ...
Страница 206: ...26 KX TE82483X 3 PORT ANALOGUE CO LINE AND 8 PORT HYBRID EXTENSION 206 KX TES824LA KX TEM824LA ...
Страница 207: ...26 1 HOW TO RECOGNIZE THAT Pb FREE SOLDER IS USED 207 KX TES824LA KX TEM824LA ...
Страница 216: ...216 KX TES824LA KX TEM824LA ...
Страница 217: ...217 KX TES824LA KX TEM824LA ...
Страница 222: ...26 6 TROUBLESHOOTING GUIDE 26 6 1 No Dial Tone 26 6 2 Cannot Dial 222 KX TES824LA KX TEM824LA ...
Страница 224: ...26 6 7 Cannot Receive Call Dial Tone 26 6 8 Cannot Send a Hold On Music 224 KX TES824LA KX TEM824LA ...
Страница 227: ...26 8 TERMINAL GUIDE OF ICS TRANSISTORS AND DIODES 227 KX TES824LA KX TEM824LA ...
Страница 228: ...26 9 CABINET AND ELECTRICAL PATRS 26 10 ACCESSORIES AND PACKING MATERIALS 228 KX TES824LA KX TEM824LA ...
Страница 248: ...27 KX TE82491X MESSAGE EXTENSION CARD FOR DISA UCD OGMs 248 KX TES824LA KX TEM824LA ...
Страница 249: ...27 1 HOW TO RECOGNIZE THAT Pb FREE SOLDER IS USED 249 KX TES824LA KX TEM824LA ...
Страница 253: ...27 5 TERMINAL GUIDE OF ICS TRANSISTORS AND DIODES 27 6 ACCESSORIES AND PACKING MATERIALS 253 KX TES824LA KX TEM824LA ...
Страница 259: ...28 KX TE82492X 2 CHANNEL VOICE MESSAGE CARD 259 KX TES824LA KX TEM824LA ...
Страница 260: ...28 1 HOW TO RECOGNIZE THAT Pb FREE SOLDER IS USED 260 KX TES824LA KX TEM824LA ...
Страница 264: ...28 5 TROUBLESHOOTING GUIDE 28 5 1 PBX cannot work 264 KX TES824LA KX TEM824LA ...
Страница 265: ...28 5 2 Cannot Erase 28 5 3 Cannot Record Playback 265 KX TES824LA KX TEM824LA ...
Страница 267: ...28 7 TERMINAL GUIDE OF ICS TRANSISTORS AND DIODES 28 8 ACCESSORIES AND PACKING MATERIALS 267 KX TES824LA KX TEM824LA ...
Страница 273: ...29 KX TE82493X 3 PORT CALLER ID CARD 273 KX TES824LA KX TEM824LA ...
Страница 274: ...29 1 HOW TO RECOGNIZE THAT Pb FREE SOLDER IS USED 274 KX TES824LA KX TEM824LA ...
Страница 280: ...29 7 TERMINAL GUIDE OF ICS TRANSISTORS AND DIODES 29 8 ACCESSORIES AND PACKING MATERIALS 280 KX TES824LA KX TEM824LA ...
Страница 287: ...30 KX A227X BACK UP BATTERY CABLE 287 KX TES824LA KX TEM824LA ...
Страница 288: ...30 1 ACCESSORIES AND PACKING MATERIALS 288 KX TES824LA KX TEM824LA ...