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8 CSP REPAIR PROCEDURE
This model is using the CSP.
When repair the CSP, it performes in the following equipment and procedure.
When repair the CSP, setup of temperature and time is important. Be careful to setting temperature and time, it may change with
models.
models.
8.1. TOOLS TO BE USED
Name
Part No.
Usage
Manufacture
SPOT HEATER
HS-557
For reflow from above
HOZAN
BOARD WARMER
HV-500
For reflow from below
HOZAN
PCB SUPPORT PLATE
Accessory of HV-500
For holding PCB
HOZAN
BLOWER HOLDER
HS-505
For holding blower
HOZAN
NOZZLE
HS-572
For CSP reflow
HOZAN
BACUUM PIC
P-835
For CSP removal
HOZAN
FLUX WITH BRUSH
H-721
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HOZAN
DIGITAL THERMOMETER
DT-510
For measuring temperature
HOZAN
SENSOR PROBE
DT-510A
Connected to DT-500
HOZAN
ALCOHOL/THREAD SOLDER/SOLDERING IRON
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This model uses lead free solder (PbF).
8.2. PART NAMES OF SPOT HEATER AND BOARD WARMER
SPOT HEATER
Temperature
control VR
control VR
Blower
Nozzle
PCB holder
PCB support plate
Stay
(Holder position
adjustment knob)
(Holder position
adjustment knob)
Blower holder
Power supply
BOARD WARMER & PCB HOLDER
8.3. PREPARATION
For hot air blowout time, refer to the following table.
Removal
Installation
Preheat
Heat
Preheat
Heat
90 seconds
60 seconds
90 seconds
60 seconds
The temperatures are measured with DT-510 and DT-510A at a room temperature of approx. 20°C for reference.
Reflow tools
Preparation of tools
Setting conditions
Preheat
HEAT level
AIR level
SPOT HEATER
Install a nozzle to the blower
240°C
MIN
Turn on the power after presetting the
temperature and air flow.
Wait for at least 5 minutes to stabilize the hot
air temperature.
NOTE:
Open the board warmer shutter beforehand.
Set the board warmer hood at the lowest
position.
temperature and air flow.
Wait for at least 5 minutes to stabilize the hot
air temperature.
NOTE:
Open the board warmer shutter beforehand.
Set the board warmer hood at the lowest
position.
BOARD WARMER
Install the blower to the blower holder
210°C
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13
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