5 Troubleshooting
5-2
LS15E33C/LS17E34C
5-2 No Video (PC Signal)
Power indicator is green.
Does the signal appear
at C134, C135, C136
of R, G, B input?
Check CN11.
Yes
Yes
No
Does the clock pulse
appear at X21?
Check X21 and related circuit of X21.
Yes
No
Does the clock pulse appear at
output of <RA35~RA39, RA310>15”
<RA35~RA39, RA310,
RA313~318>17”?
Check related circuit of IC32.
Yes
No
Does the clock pulse appear at
output of <R611~R620>15”
<R611~R620, R61~R69, R610>17”?
Check related circuit of IC61, IC62.
Yes
No
Replace LCD panel.
Summary of Contents for LS15E33C
Page 18: ...6 Exploded View Parts List 6 2 LS15E33C LS17E34C 6 2 LS17E34C ...
Page 58: ...11 Schematic Diagrams 11 2 LS15E33C LS17E34C 1 2 3 ...
Page 60: ...11 Schematic Diagrams 11 4 LS15E33C LS17E34C 4 ...
Page 62: ...11 Schematic Diagrams 11 6 LS15E33C LS17E34C 5 6 7 8 ...
Page 64: ...11 Schematic Diagrams 11 8 LS15E33C LS17E34C 9 10 11 12 13 14 ...