Panasonic UF-5500, Service Manual

Page: 197 / 365

197
UF-5500 / 4500
OK
NG
Is the resistance value
of 24V after F800 more
than 50 ?
Is resistance value of
1.2V output more than 10 ?
Check C801, C804, C805, C806,
C819, C820, IC800 on the MAIN
Board and replace the parts having
the problem.
OK
Is the problem
still occurred?
Replace the
MAIN Board.
END
OK
Is resistance value of
3.3V output more than
20 ?
NG
NG
Check C817, C818, D804, IC300 on
the MAIN Board and replace the
parts having the problem.
OK
Is the problem
still occurred?
Replace the
MAIN Board.
END
NG
NG
Check C800, C802, D801, IC300 on
the MAIN Board and replace the
parts having the problem.
Check L800, D800, Q802, Q804,
Q806, D805, L801, D803, Q803,
Q805, Q807, D806 and IC800 on
the MAIN Board and replace the
parts having the problem.
OK
Is the problem
still occurred?
Replace the
MAIN Board.
END
NG
OK
Is the problem
still occurred?
Replace the
MAIN Board.
END
NG
A