JVC AV14A3/HK
Instrukcja Serwisowa

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