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AV-35750
AV-35770
SPECIFIC SERVICE INSTRUCTIONS
REPLACEMENT OF CHIP COMPONENT
MCAUTIONS
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 chip part, melt the solder adequately.
4. Do not reuse a chip part after removing it.
MSOLDERING
IRON
1. Use a high insulation soldering iron with a thin pointed end of it.
2. A 30w soldering iron is recommended for easily removing paris.
MREPLACEMENT STEPS
1. How to remove Chip parts
Resistors, capacitors, etc
(1) As shown in the figure, push
TWEEZERS
(2) Shift with tweezers and remove
the part with
tweezers
and
the chip part.
TWEEZERS
alternately
melt the solder at
Q
each end.
By
eTransistors, diodes, variable resistors, etc
(1) Apply extra
solder
to each
q
(2) As shown in the figure, push the
lead.
part
with
tweezers
and
alternately
melt the solder
at
each lead. Shift and remove the
chip part.
TWEEZERS
SOLDER
Note: After removing the part, remove remaining solder from
the pattern.
2. How to install
Chip
parts
@Resistors, capacitors, etc
(1) Apply solider to the
pattern
(2) Grasp
the
chip
part
with
as indicated in the figure.
tweezers
and
place it on the
TWEEZER
solder. Then heat and melt the
solder at both ends of the chip
part.
Transistors, diodes, variable resistors, etc
.
(1) Apply
solder
to
the
(2) Grasp the chip part with
(3) First
solder
lead
A
as
(4) Then solder leads B and C.
pattern as indicated in the
tweezers and place it on
indicated in the figure.
figure.
the solder.
(A)
(B)
(C)
6 (No.51130)
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