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(No.YA093)1-13
3.4
REPLACEMENT OF CHIP COMPONENT
3.4.1 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 chip part, melt the solder adequately.
(4) Do not reuse a chip part after removing it.
3.4.2 SOLDERING 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 parts.
3.4.3 REPLACEMENT STEPS
1. How to remove Chip parts
[Resistors, capacitors, etc.]
(1) As shown in the figure, push the part with tweezers and al-
ternately melt the solder at each end.
(2) Shift with the tweezers and remove the chip part.
[Transistors, diodes, variable resistors, etc.]
(1) Apply extra solder to each lead.
(2) As shown in the figure, push the part with tweezers and al-
ternately melt the solder at each lead. Shift and remove the
chip part.
NOTE :
After removing the part, remove remaining solder from the pat-
tern.
2. How to install Chip parts
[Resistors, capacitors, etc.]
(1) Apply solder to the pattern as indicated in the figure.
(2) Grasp the chip part with tweezers and place it on the sol-
der. Then heat and melt the solder at both ends of the chip
part.
[Transistors, diodes, variable resistors, etc.]
(1) Apply solder to the pattern as indicated in the figure.
(2) Grasp the chip part with tweezers and place it on the sol-
der.
(3) First solder lead
A
as indicated in the figure.
(4) Then solder leads
B
and
C
.
SOLDER
SOLDER
A
B
C
A
B
C
Summary of Contents for AV-32S565 Series
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Page 107: ...2 35 No YA093 FRONT PATTERN DIAGRAMS MAIN PWB PATTERN SOLDER SIDE ...
Page 108: ... No YA093 2 36 ...