Harman Kardon BDP 1/120, Руководство по обслуживанию

Страница: 27 / 54

No audio output
Check the U19,U20, U22,u24
power supply
Check the U23 power supply
Check whether the audio signal is
right from the U19.1 U19.7 and
U201, U20.7and
uuuU22.1,U22.7,U24.1,U24.7
Check the connection of
the 12PIN cable from
xp7 on the main board
Connect the 12pin cable
to xp7 properly on output
board
Yes
Yes
No
Go
Check whether the audio signal
is right from the U22 and
U24,U19,U20
No audio output
Yes
Trouble shooting chart
Replace the
U22,U24,U20,U19
Replace the U23
Yes
NO
NO
Replace the output
board
27
harman/kardon BDP 1 / BDP 10 Service Manual