Trouble Shooting Table - Sharp LC-30HV6U Service Manual

TROUBLE SHOOTING TABLE

No sound or picture comes out.
Does the power LED
light up in green.
YES
Is the Backlight off?
YES
Perform checking
around IC2204.
Table of monitor power LED blinking timing at the time of error occurrence
Error type
Cable error
AVC-side power error
Blinking once: Slow
Lamp error
Blinking once: Fast
Monitor power error
Blinking twice
AVC temperature
error
Blinking three times
AVC fan error
Blinking four times
Monitor temperature
error
Blinking five times
Monitor fan error
Blinking six times
Monitor 1-bit error
Blinking seven times
(Display)
NO
Is the power LED
blinking in red?
YES
Blinking once?
NO
Blinking twice?
NO
Blinking five times?
NO
Blinking seven times?
NO Is "LOSS OF SYNC"
displayed?
YES
Perform checking
around IC2208.
250ms
LTD operation (1 cycle)
H: ON
L: OFF
H: ON
L: OFF
H: ON
L: OFF
H: ON
L: OFF
H: ON
L: OFF
H: ON
L: OFF
H: ON
L: OFF
H: ON
L: OFF
23
NO
Is the AC cord
normal?
YES
To "The backlight does not go on"
YES
Check the power unit.
YES
Check the temperature of the set.
Check the 1-bit amplifier unit.
NO
To "No picture comes
out"
1sec
LC-30HV6U
NO
Replace the
AC cord.