JVC AV28X25EKGV
Instrukcja Serwisowa

AV32X25EUS / AV32X250EUS AV32X25EIGY / AV32X25EKGY AV28X25EUS / AV28X25EIGY AV28X25EKGY

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
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

A (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. B C (4) Then solder leads B and C. A B C Note : After removing the part, remove remaining solder from the pattern.

No.51994

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