Panasonic VL-SV75 Series Service Manual page 31

(from previous page)
Is the voltage of
CL930(Main Board) about
4V?(12V→4V)
YES
Is the voltage of
CL920(Main Board) about
3.3V?(12V→3.3V)
YES
Is the voltage of
CL418(Main Board) about
4V?
YES
Is the voltage of
CL950(Main Board) about
3.3V?(5V→3.3V)
YES
Is the voltage
of CL437(Main Board)
about 1.8Vfor BBIC Core?
(4V→1.8V)
YES
Is the voltage
of CL438(Main Board)
about 3.3V for BBIC I/O?
(4V→3.3V)
YES
(To next page)
Check around IC930,
L930,R931,R932,R933,
NO
C930,C932,C933,C934,
C935 and C937
of Main Board.
Check around IC920,
L920,R921,R922,R923,
NO
C920,C922,C923,C924,
C925 and C927
of Main Board.
Check around R940 and
NO
R941 of Main Board.
Check around IC950,
NO
C951 and C952
of Main Board.
Check around Q401,
NO
R419,C427,C435 and
C438 of Main Board.
Check around Q402,
NO
R416,R417,R420,
C418,C433 and C436
of Main Board.
Replace the
Is the unit powered
fault parts.
Replace the
Is the unit powered
fault parts.
Replace the
Is the unit powered
fault parts.
Replace the
Is the unit powered
fault parts.
Replace the
Is the unit powered
fault parts.
Replace the
Is the unit powered
fault parts.
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YES
END
ON ?
NO
YES
END
ON ?
NO
YES
END
ON ?
NO
YES
END
ON ?
NO
YES
END
ON ?
NO
YES
END
ON ?
NO