|
126
|
KX-F910BX
HOW TO REPLACE FLAT PACKAGE IC
■
PROCEDURE
1. Temporarily fix FLAT PACKAGE IC by soldering on two marked pins.
*Check accurate setting of IC to the corresponding soldering foil.
2. Apply flux for all pins of FLAT PACKAGE IC.
3. Solder using specified solder, in direction of arrow, by sliding the soldering iron.
■
MODIFICATION PROCEDURE OF BRIDGE
1. Re-solder slightly on bridged portion.
2. Remove remaining solder along pins using soldering iron as shown in below figure.
Soldering iron
bridge
Specified solder
Flux
Temporary soldering point.
■
PREPARATION
E
SOLDER
Sparkle Solder 115A-1, 115B-1
OR
Almit Solder KR-19, KR-19RMA
E
Soldering iron
Recommended power consumption will be between 30 W to 40 W.
Temperature of Copper Rod 662
}
50 F
(350
}
10
)
(An expert may handle 60~80 W iron, but beginner might
damage foil by overheating.)
E
Flux
HI115 Specific gravity 0.863
(Original flux will be replaced daily.)
°
Summary of Contents for KX-F910BX
Page 1: ......
Page 176: ......
Page 177: ......
Page 178: ......
Page 179: ......
Page 180: ......
Page 181: ......
Page 182: ......
Page 183: ......
Page 184: ......
Page 185: ......
Page 186: ......
Page 187: ......
Page 188: ......
Page 189: ......
Page 190: ......
Page 191: ......
Page 192: ......
Page 193: ......
Page 194: ......
Page 195: ......
Page 196: ......
Page 197: ......
Page 198: ......
Page 199: ......
Page 200: ......
Page 201: ......
Page 202: ......
Page 203: ......
Page 204: ......
Page 205: ......
Page 206: ......
Page 207: ......
Page 208: ......
Page 209: ......
Page 217: ......