Sharp XV-Z10E (serv.man13) Service Manual ▷ View online
38
XV-Z10E
NO
YES
NO
NO
YES
NO
NO
Checking the RGB
signals
Are there RIN2-RIN9,
GIN2-GIN9 and BIN2-
BIN9 input signals at
IC1401?
GIN2-GIN9 and BIN2-
BIN9 input signals at
IC1401?
Check IC8003 and its
peripheral circuits.
peripheral circuits.
Are there RGB gradation
signals at pins (43), (48) and
(54) of IC6004?
signals at pins (43), (48) and
(54) of IC6004?
Check Q3008, Q3012,
Q3016 and their peripheral
circuits.
Q3016 and their peripheral
circuits.
YES
Are there input signals at
pins (70) thru (79) of
IC1101, IC1201 and
IC1301?
pins (70) thru (79) of
IC1101, IC1201 and
IC1301?
Are there input signals at
pins (7) thru (12) of
SC1101, SC1201 and
SC1301?
pins (7) thru (12) of
SC1101, SC1201 and
SC1301?
Check IC1401 and its
peripheral circuits.
peripheral circuits.
Check IC1101, IC1201,
IC1301 and their
peripheral circuits.
IC1301 and their
peripheral circuits.
YES
Are there input signals at
pins (5) and (25) of
SC1101, SC1201 and
SC1301?
pins (5) and (25) of
SC1101, SC1201 and
SC1301?
Check IC1101, IC1201,
IC1301 and their peripheral
circuits.
IC1301 and their peripheral
circuits.
YES
Check the LCD panel
connections.
connections.
If both the video and
onscreen display fail to
appear, replace the LCD
panels.
onscreen display fail to
appear, replace the LCD
panels.
39
XV-Z10E
YES
NO
Checking the S-Video
signals
Is there specified voltage
at the EA connector?
at the EA connector?
Is there S-Video input
signal at pins (71) and (75)
of IC3001?
signal at pins (71) and (75)
of IC3001?
Check IC3001 and its
peripheral circuits.
peripheral circuits.
Go to "Checking the
power unit".
power unit".
NO
Check the S-Video
terminal and its peripheral
circuits.
terminal and its peripheral
circuits.
YES
NO
Checking the Video
signals
Is there specified voltage
at the EA connector?
at the EA connector?
Go to "Checking the power
unit".
unit".
YES
NO
Is there Video input signal
at pin (73) of IC3001?
at pin (73) of IC3001?
Check the Video terminal
and its peripheral circuits.
and its peripheral circuits.
Check IC3001 and its
peripheral circuits.
peripheral circuits.
39
XV-Z10E
YES
NO
Checking the S-Video
signals
Is there specified voltage
at the EA connector?
at the EA connector?
Is there S-Video input
signal at pins (71) and (75)
of IC3001?
signal at pins (71) and (75)
of IC3001?
Check IC3001 and its
peripheral circuits.
peripheral circuits.
Go to "Checking the
power unit".
power unit".
NO
Check the S-Video
terminal and its peripheral
circuits.
terminal and its peripheral
circuits.
YES
NO
Checking the Video
signals
Is there specified voltage
at the EA connector?
at the EA connector?
Go to "Checking the power
unit".
unit".
YES
NO
Is there Video input signal
at pin (73) of IC3001?
at pin (73) of IC3001?
Check the Video terminal
and its peripheral circuits.
and its peripheral circuits.
Check IC3001 and its
peripheral circuits.
peripheral circuits.
39
XV-Z10E
YES
NO
Checking the S-Video
signals
Is there specified voltage
at the EA connector?
at the EA connector?
Is there S-Video input
signal at pins (71) and (75)
of IC3001?
signal at pins (71) and (75)
of IC3001?
Check IC3001 and its
peripheral circuits.
peripheral circuits.
Go to "Checking the
power unit".
power unit".
NO
Check the S-Video
terminal and its peripheral
circuits.
terminal and its peripheral
circuits.
YES
NO
Checking the Video
signals
Is there specified voltage
at the EA connector?
at the EA connector?
Go to "Checking the power
unit".
unit".
YES
NO
Is there Video input signal
at pin (73) of IC3001?
at pin (73) of IC3001?
Check the Video terminal
and its peripheral circuits.
and its peripheral circuits.
Check IC3001 and its
peripheral circuits.
peripheral circuits.
Display