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NO POWER
Check 'Power Failure' Circuit.
Power Failure Line
CPU (IC800) 32pin
CPU (IC800) 23pin
TROUBLESHOOTING FLOW CHARTS
Is
fuse open?
No
Is
the voltage
to "5V_STBY" line
supplied?
Yes
Is
the voltage to all lines
supplied?
Yes
(or the voltage to some lines is not supplied.)
After a few seconds, the set will be switched off.
Q810, Q811
Yes
Check: Power Unit
No
Check: Power Unit
All 0V
No:
(except '5V_STBY' line)
Check: arround
CPU (IC800), IC (IC801),
Crystal (X801), Power Unit
Diod
Detected Voltage
D1671
D6052/D6053
D1620/D1621
D1662
D1653
D1679
Diod
Detected Voltage
D1683
— 37 —
9V
3.3V
D3.3V
5V
6.5V
AUDIO_POW
LVDS_P OW
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