Sony SVBK-170P Manuale di servizio - Pagina 5
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IIHT
e Transistor and Diode Replacement
1.
2.
3.
Cut the terminals of the chip part with a nipper.
Remove the cut leads.
Make sure that there is no pattern peeling, damage and/
or bridges around the desoldering positions.
After removing the chip part, presolder the area, in which
the new chip part is to be placed, with a thin layer of
solder.
Place new chip part in the desired position and solder the
terminals.
Once a chip part has been removed never use it again.
e IC Replacement
1.
Using the desoldering wire, "SOLDER TAUL" Sony Part
No. 7-641-300-81, remove the solder around the pins of
the IC-chip to be removed.
While heating up the pins, remove the pins one by one
using sharp-pointed tweezers.
Make sure that there is no pattern peeling, damage and/
or bridges around the desoldering positions.
After removing the chip part, presolder the area, in which
the new chip part is to be placed, with a thin layer of
solder.
Place new chip part in the desired position and solder the
pins.
Once a chip part has been removed never use it again.
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