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Replacement Of Chip Component - JVC AV-28BT8ENS Service Manual

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Table of Contents
AV-28BT8ENS / AV-28BT8ENB / AV-28BT80EN
AV-28BT8EPS / AV-28BT8EPB / AV-28BT80EP
AV-28BT8EES / AV-28BT8EEB/ AV-28BS88EN

REPLACEMENT OF CHIP COMPONENT

! CAUTIONS
1. Avoid heating for more than 3 seconds.
2. Do not rub the electrodes and the resist parts of the pattern.
3. When removing a c hip part, melt the s older adequately.
4. 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
How to remove Chip parts
1.
# # # # Resistors, capacitors, etc
(1) As shown in the figure, push the part with tweezers and
alternately melt the solder at each end.
(2) Shift with tweezers and remove the chip part.
# # # # Transistors, diodes, variable r esistor s, etc
(1) Apply extra solder to each lead.
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.
Note : After removing the part, remove remaining solder from the
pattern.
8
# # # # Resistors, capacitors, etc
# # # # Transistors, diodes, variable r esistor s, etc
SOLD E R
No.52057
2. How to install Chip parts
(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.
Then heat and melt the solder at both ends of the chip part.
(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.
A
(3) First s older lead
as indicated in the figure.
A
B
(4) Then solder leads
and
A
B
C
C
.
B
C

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