Dvi Troubleshooting - LG HCS6000A Service Manual

5. DVI TROUBLESHOOTING

START
DVI cable is connected?
DVI output is activated in STB ?
480P picture is OK?
720P & 1080I picture are OK?
480I picture are OK?
END
YES
YES
YES
YES
YES
YES
* : Please check that receiver supports this format.
NO
NO
* Check IC500(57(IDCK+), 2(DE),
NO
* Check IC500(57(IDCK+), 2(DE),
NO
* Check IC500(57(IDCK+), 2(DE),
NO
3-22
Connect DVI cable.
(A)
4(HSYNC), 5(VSYNC))
The IDCK_ clock shall be 27MHz.
Fig.01
4(HSYNC), 5(VSYNC))
The IDCK_ clock shall be 74.25MHz.
Fig.02, Fig.03 and Fig.04
4(HSYNC), 5(VSYNC))
The IDCK_ clock shall be 13.5MHz.
Fig.05, Fig.06