No.52027
AV-21Q3
AV-21QMG3
AV-2115EE
13
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 chip part, melt the solder adequately.
4. Do not reuse a chip part after removing it.
!
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.
!
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) Shift with 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
alternately melt the solder at each lead. Shift and remove the
chip part.
Note : After removing the part, remove remaining solder from the
pattern.
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 solder.
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 solder.
(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
Содержание AV-2115EE
Страница 42: ...No 52027 AV 21Q3 AV 21QMG3 AV 2115EE 32 ...
Страница 53: ...AV 2115EE AV 2116EE No 52027B 1 11 ...
Страница 79: ...23 LCT1188 001A H 10 6 2002 11 10 23 ...
Страница 149: ...No 52027 AV 21Q3 AV 21QMG3 AV 2115EE 59 PACKING 2 2 5 3 3 4 1 6 7 8 9 10 11 12 13 14 ...