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Push the POWER
ON key
Check for S/W error
Replace Cortez
Replace Hudson
Power Error
Replace IC505
Replace STi5100
Power Error
Attach the input
cable(s)
Replace Tuner
DTV
Power Error
Check the
Condition of all
Connectors, wafers,
I2C In the
system.
Check 8bit
Signal at digital
Tuner at
R318-326.
Check 5V
At L305,310
Check 8bit
Signal at AR110-
AR111
Check 8bit
Signal at AR 500-
AR501
Check 24bit
RGB at AR700-
AR705
Check LVDS
Output of Cortez
Check Power
Levels and crystal
Check power
Levels for
STi5100
Is the
Set ON
Is the input
cable attached?
What is
the input signal
mode?
YES NO
NO YES
PASS
FAIL
PASS
FAIL
PASS
FAIL
PASS
FAIL
FAILFAILFAIL
PASS
PASS PASS PASS
FAIL
PASS