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Panasonic EY6506-U1 Service Manual page 6

Cordless impact driver

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EY6506-U1
< TROUBLE >
Does not speed-
control.
Does not vibrate
or weakness of
vibration.
<CHECK FET.>
Even if FET block is defective, it can not be replaced individually.
Replace whole switch block.
Remove the FET circuit block and check the lead wire terminals.
These terminals are open normally when there is an open circuit (
between the green and yellow lead wires, and between the blue and
yellow lead wires.
NOTE:
* FET is weak against static electricity.
** The resistance value may be some differences depends on the
measurement range.
<CHECK ANVIL.>
Check wear condition of anvil. If no less than 1mm from
the corner at (A) side or 0.5mm from the corner at (B) side,
anvil is OK.
< CHECK >
6
< REMEDY >
NO
Repair the contact
or replace switch
& FET block.
)
NO
Replace anvil.

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