Sharp 27DV-S100 User Manual

71
27DV-S100 27DV-CS10
YES NO
DVD picture failure
FLOW CHART No. 3-6
YES
Place the disc on the disc tray and play
it back.
NO
YES
Check the DVD main unit and DVD
mechanism unit.
Is there the playback video signal at
pin (1) of connector CN802 on the
DVD main unit?
NO
YES
Are there the playback video
signals at pins (27), (23) and (25)
of IC1001?
Are the signals at pins (7)/(8)
and (1)/(3)/(28) of IC1001 at
"H" and "5V" levels,
respectively?
Check the lines between
pins (9), (7) and (5) of
connector CA on the DVD
sub unit and pins (2), (6)
and (4) of IC1001.
YES
NO
Check the lines between
pins (27), (23), and (25) of
IC1001 and pins (5), (1) and
(3) of connector DA.
Check IC1001 and its
peripheral circuits.
Are there the playback video signal,
luminance signal and chroma signal
at pins (5), (1) and (3) of connector
DA on the DVD sub unit?
NO
YES
Check the lines between pins (5), (1)
and (3) of connector DA and pins
(22), (24) and (26) of IC1301.
Are there the playback video signals at
pins (22), (24) and (26) of terminal unit
IC1301?
YES
NO
Check the lines from IC4401 thru
IC1401 to IC8850 of the TV section.
Are there the playback video signals at
pins (53), (56) and (58) of IC1301?
NO
YES
Check the lines from pins (33) and
(34) of IC1301 to pins (17) and (18) of
IC2001.
Are there the I
2
C clock and data signals
at pins (33) and (34) of IC1301?
NO
YES
Check the PC9V line.
Is the 9V supply voltage applied at pin
(42) of IC1301?
Replace IC1301.
DVD sound failure
YES
Place the disc on the disc tray and play
it back.
NO
YES
Check the DVD main unit and
DVD mechanism unit.
Is there the playback audio signal at pin
(6) of connector CN801 on the DVD
main unit?
NO
YES
Are there the playback audio signals at
pins (1) and (7) of IC1102?
Are there the playback audio signal at
pins (7) and (9) of connector DA on the
DVD sub unit?
NO
YES
Check the lines from pins (7) and (9) of
connector DA to pins (23) and (25) of
IC1301.
Are there the playback audio signals at pins
(23) and (25) of IC1301 on the terminal unit?
YES
NO
Check the lines between IC3001 and
IC3201 of the TV section.
Are there the playback audio signals at
pins (52) and (54) of IC1301?
NO
YES
Check the lines from pins (33) and (34) of
IC1301 to pins (17) and (18) of IC2001.
Are there the I
2
C clock and data signals
at pins (33) and (34) of IC1301?
NO
YES
Check the PC9V line.
Is the 9V supply voltage applied at pin
(42) of IC1301?
Replace IC1301.
NO
YES
FLOW CHART No. 3-7
Are there the playback
audio signals at pins (3)
and (5) of IC1102?
Check the line from pins (1)
and (7) of IC1102 to pins (7)
and (9) of connector DA.
NO
YES
Are there the playback
audio signals at pins (13)
and (16) of IC1101?
NO
YES
Is there the playback digital
signal at pin (2) of IC1101?
Check the lines from pins
(13) and (16) of IC1101 to
pins (3) and (5) of IC1102.
NO
YES
Check the line between pin
(24) of connector CB and pin
(2) of IC1101.
Check IC1101 and its
peripheral circuits.
Check IC1102 and its
peripheral circuits.

Sharp 27DV-S100 Specifications

General

Brand	Sharp
Model	27DV-S100
Category	TV DVD Combo
Language	English