Troubleshooting Guides - Insignia 9246MF7010 Manual Del Usuario

1、No sound, no picture.
Supply with main
power, check if red
Y
indicator light is
bright in standby
mode?
N
Check 5V inputted to
X604-PIN8 on main
board .
N
Check STANDBY
circuits on power
board.
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Troubleshooting Guides

Press key POWER on
Check if the voltage
remote control or key
Y
of X604-PIN10 on
board to turn on the TV set,
main board is high
check if indicator light is
level?
twinkling?
N
Check if the voltage of
N
Check N610 and its
X604-PIN6 on main board
peripheral circuits.
is high level?
Y
Check power board
assembly.
Y
Check 24V on power
board.
Y
N
Check backlight
board assembly.
N
Check power board
assembly.