3-6
FLOW CHART NO.9
Picture does not appear normally.
Set the disc on the disc tray, and playback.
Are the video signals outputted to each pin of
CN1601 on the Main CBA?
Replace the DVD Main CBA or the DVD
Mecha.
Check the line between each pin of CN1601 and
each pin of IC1402 on the Main CBA, and service
it if detective.
Is 5V voltage applied to the Pin(1, 24) of
IC1402?
Replace IC1402?
Check P-ON+5V line and service it if detective.
Check the periphery of JK1403 from Pins (13, 15,
18) of IC1402 and service it if detective.
Check the periphery of JK1401 from
Pin (18) of IC1402 and service it if detective.
Check the periphery of JK1401 from
Pin (23) of IC1402 and service it if detective.
Are the composite video signals outputted to
Pin(15) of IC751?
CN1601 7PIN
→
IC1402 6PIN S-Y
CN1601 9PIN
→
IC1402 2PIN S-C
CN1601 5PIN
→
IC1402 9PIN Cb
CN1601 3PIN
→
IC1402 11PIN Cr
Are the video signals shown above inputted into
each pin of IC1402?
Are the video signals outputted to each pin
of IC1402?
Are the video signals outputted to the specific
output terminal?
Are the component video signals outputted to the
VIDEO OUT terminal (JK1403)?
Are the luminance signals outputted to the
S-OUT terminal (JK1401)?
Are the chroma signals outputted to the
S-OUT terminal (JK1401)?
Yes
Yes
Yes
Yes
No
No
No
No
No
No
No
No
CN1601 7PIN S-Y
CN1601 9PIN S-C
CN1601 5PIN Cb
CN1601 3PIN Cr
IC1402 6PIN S-Y
IC1402 2PIN S-C
IC1402 9PIN Cb
IC1402 11PIN Cr
IC1402 21PIN CVBS
IC1402 18PIN S-Y
IC1402 23PIN S-C
IC1402 15PIN Cb
IC1402 13PIN Cr
Replace IC751.
Are the composite video signals outputted to
the VIDEO OUT terminal (JK751)?
Check the line between Q760 and OUTPUT SELECT,
and service it if detective.
Check the line between Pin(15) of IC751 and JK751
and service it if detective.
Are the "H" pulse inputted into Pins(9,10,11) of IC751?
No
Yes
Yes
No
No
Summary of Contents for DV-PF33U
Page 57: ...5 13 Fig DM16 41 42 43 L 13 44 45 Slide Fig DM17 ...
Page 70: ...5 3 1 Main 1 8 Schematic Diagram 3 SCHEMATIC DIAGRAMS ...
Page 72: ...7 3 3 Main 3 8 Schematic Diagram ...
Page 73: ...8 3 4 Main 4 8 Schematic Diagram ...
Page 74: ...9 3 5 Main 5 8 Schematic Diagram ...
Page 75: ...10 3 6 Main 6 8 Schematic Diagram ...
Page 76: ...11 3 7 Main 7 8 DVD OPEN CLOSE Schematic Diagrams ...
Page 77: ...12 3 8 Main 8 8 Schematic Diagram ...
Page 80: ...15 3 11 DVD Main 1 3 Schematic Diagram ...
Page 81: ...16 3 12 DVD Main 2 3 Schematic Diagram ...
Page 83: ...18 3 13 DVD Main 3 3 Schematic Diagram ...
Page 86: ...21 5 2 Main CBA Bottom View ...
