Sharp XV-Z3100 (serv.man5) Service Manual ▷ View online
XV-Z3100U/XV-Z3100/XV-Z3300/DT-510
5 – 9
YES
End
YES
Check IC4002 and the
peripheral circuits.
peripheral circuits.
NO
Check IC1705 and
peripheral circuits.
peripheral circuits.
NO
Check IC1702 and
peripheral circuits.
peripheral circuits.
NO
Check Q3002 and
peripheral circuits.
peripheral circuits.
NO
Component signal
check
Send component signal of
1080i (or 720P) from
INPUT 1 or INPUT 2.
Select INPUT 1 or INPUT 2
using keys on the main unit
or the remote control.
1080i (or 720P) from
INPUT 1 or INPUT 2.
Select INPUT 1 or INPUT 2
using keys on the main unit
or the remote control.
Is image displayed
normally?
normally?
Are picture signals sent to
TL3008, TL3007, and
TL3006?
TL3008, TL3007, and
TL3006?
NO
YES
Is 3.3V applied to TL1707?
Is 3.3V applied to TL1704?
YES
Check IC3001 and
peripheral circuits.
peripheral circuits.
YES
Is 3.3V applied to pin(5) of
Q3002?
Q3002?
YES
XV-Z3100U/XV-Z3100/XV-Z3300/DT-510
5 – 10
End
YES
Check S-VIDEO terminal
and peripheral circuits of
Q3302.
and peripheral circuits of
Q3302.
YES
End
YES
YES
Check VIDEO terminal and
peripheral circuits of
Q3303.
peripheral circuits of
Q3303.
NO
Check S-VIDEO terminal
and peripheral circuits of
Q3301.
and peripheral circuits of
Q3301.
NO
Check IC3303 and
peripheral circuits.
peripheral circuits.
NO
Check Q3305 and
peripheral circuits.
peripheral circuits.
NO
Check IC1705 and
peripheral circuits.
peripheral circuits.
NO
S-VIDEO (INPUT 3)
check
Send S-Video signal (color
signal) from INPUT 3.
Select INPUT 3 using keys
on the main unit or the
remote control.
signal) from INPUT 3.
Select INPUT 3 using keys
on the main unit or the
remote control.
Is image displayed
normally?
normally?
Is image displayed in black
and white?
and white?
NO
VIDEO (INPUT 4) check
Send VIDEO signal from
INPUT 4. Use buttons on
the main unit or the remote
control to select INPUT 4.
INPUT 4. Use buttons on
the main unit or the remote
control to select INPUT 4.
Is image displayed
normally?
normally?
Is VIDEO signal sent to
C3320?
C3320?
NO
Is S-VIDEO signal (Y) sent
to C3306?
to C3306?
NO
Is 1.8 V applied to
TL3310?
TL3310?
YES
Is 3.3 V applied to pin(3) of
IC3303?
IC3303?
YES
Is 1.5 V applied to pin(2) of
IC3301?
IC3301?
YES
End
YES
XV-Z3100U/XV-Z3100/XV-Z3300/DT-510
5 – 11
YES
Check Q3905 and HPD
line of IC6202.
line of IC6202.
NO
Is IC3902 accessed via I2C
and data read?
and data read?
NO
Check peripheral circuits of
IC3901.
IC3901.
NO
Check the setting of DVD
device (signal source).
device (signal source).
YES
HDMI input is not
displayed.
Do pin 19 of HDMI terminal
become to "H" (5V) when
connecting a cable?
become to "H" (5V) when
connecting a cable?
Is TM DS signal fed to
Rx0, Rx1, Rx2, and Rxc of
IC3901?
Rx0, Rx1, Rx2, and Rxc of
IC3901?
Check IC3902 and
peripheral circuits of HDMI
terminal.
Check cables, too.
peripheral circuits of HDMI
terminal.
Check cables, too.
NO
Are HSync, VSync and
RGB data sent from
IC3901?
RGB data sent from
IC3901?
YES
Check peripheral circuits
of IC3701.
of IC3701.
YES
XV-Z3100U/XV-Z3100/XV-Z3300/DT-510
5 – 12
— MEMO —
