– 31 –
NO POWER
No
Yes
Yes
Yes
No
(or the voltage to some lines is not supplied.)
After a few seconds, the set will be switched off.
Check 'Power Failure' Circuit.
No:
All 0V
(except '5V_STBY' line)
Is
the voltage to all lines
supplied?
Is
the voltage
to "5V_STBY" line
supplied?
Is
fuse open?
Check: arround
MAIN IC (IC5500),
Crystal (X5500), Power Unit
Check: Power Unit
Check: Power Unit
Diod
Detected Voltage
Power Failure Line
MAIN IC (IC5500) 234pin
D6700
5V
D1641
9V
D1668
AUDIO_POW
D6101
5V
TROUBLESHOOTING FLOW CHARTS