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AV-14A3 AV-1415EE AV-14AMG3
REPLACEMENT OF CHIP COMPONENT
! CAUTIONS
1. 2. 3. 4. Avoid heating for more than 3 seconds. Do not rub the electrodes and the resist parts of the pattern. When removing a c hip part, melt the s older adequately. Do not reuse a chip part after removing it.
! SOLDERING IRON
1. Use a high ins ulation s oldering iron with a thin pointed end of it. 2. A 30w s oldering iron is rec ommended for easily removing parts.
! REPLACEMENT STEPS
1. How to remove Chip parts $ Resistors, capacitors, etc (1) As shown in the figure, push the part with tweezers and alternately melt the solder at each end.
2. How to install Chip parts
$ Resistors, capacitors, etc (1) Apply solder to the pattern as indic ated in the figure.
(2) Grasp the chip part with tweezers and plac e it on the s older. (2) Shift with tweezers and remove the chip part. Then heat and melt the solder at both ends of the chip part.
$ Transistors, diodes, variable r esistor s, etc (1) Apply extra solder to each lead.
$ Transistors, diodes, variable r esistor s, etc (1) Apply solder to the pattern as indic ated in the figure. (2) Grasp the chip part with tweezers and place it on the solder. (3) First s older lead A as indicated in the figure.
SOLD E R
SOLD E R
(2) As shown in the figure, push the part with tweezers and alternately melt the solder at each lead. Shift and remove the chip part.
A B C (4) Then solder leads B and C.
A B Note : After removing the part, remove remaining solder from the pattern. C
No.52029
31
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