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Step 2.
Install of the CSP
SPOT HEATER
BOARD WAMER
Set the PCB to BOARD WARMER
The CSP has been aligned on the PCB.
Moving the PCB support plate, and then align the CSP
repair area over the reflow hole.
repair area over the reflow hole.
NOTE: Pay attention to the hot air.
Preheat the PCB (at the CSP installation area) for applox.
60 seconds.
60 seconds.
CSP
PCB
Blower
Nozzle
Move the nozzle tip
as close as possible
to the CSP surface.
as close as possible
to the CSP surface.
Shutter
PCB holder or
support plate
support plate
CAUTION: Be careful not to suffer a burn with the hot air from
above and below.
above and below.
Set the nozzle at the
same position as set
when the CSP was
removed.
same position as set
when the CSP was
removed.
The nozzle position was
adjusted when the CSP
was removed.
adjusted when the CSP
was removed.
*
Heat the PCB approx. 30 seconds.
Solder melts
When the solder melts, the CSP
slightly moves or sinks due to a
self alignment effect to correct
subtle deviation.
slightly moves or sinks due to a
self alignment effect to correct
subtle deviation.
*
Remove the PCB from the plate in applox. 30 seconds
after closing the board wamer shutter.
applox. 30 seconds
----- A standard time necessary for the solder to become
solid on the PCB (cooling the PCB)
after closing the board wamer shutter.
applox. 30 seconds
----- A standard time necessary for the solder to become
solid on the PCB (cooling the PCB)
CSP install (repair) complete. Confirm for deviation from the alignment
marks again.
marks again.
Install the capacitor and flash unit that have been removed.
This completes the repair of CSP. To check if the repair is successful or not, operate the
circuit or perform some procedures such as the circuit checking procedure.
This completes the repair of CSP. To check if the repair is successful or not, operate the
circuit or perform some procedures such as the circuit checking procedure.
14
SV-AS10EB / SV-AS10EG / SV-AS10GC / SV-AS10GN
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