Harman Kardon BDS 580S (serv.man2) Service Manual ▷ View online
5-9 Trouble shooting Chart
IPOD in does not work
IPOD in does not
work
work
Go
Check the DVD mode is
OK,audio output is ok
OK,audio output is ok
No
Replace the Main board
Check whether USB can
work well on front USB port
work well on front USB port
Yes
Replace the USB board
No
Yes
Check the I2S Switch U26
Check MCU U21 is
work well
work well
Replace U21
No
Yes
Check whether the
CP IC U44 is work
well
CP IC U44 is work
well
Replace U44
No
Yes
Check whether the
USB Switch U43 is
work well
USB Switch U43 is
work well
Yes
Replace U43
No
5-10 Trouble shooting Chart
COAX/OPTICAL does not work
COAX/OPTICAL
does not work
does not work
Go
Check the DVD mode is
OK,audio output is ok
OK,audio output is ok
No
Replace the Main board
Check the coax/optical
connector is ok
Yes
Replace the connector
No
Yes
Replace U23 CS8422
Check U23 CS8422
is broken.
is broken.
Check the U28
No
Yes
Check U23
PIN3,PIN22 +3.3V
PIN3,PIN22 +3.3V
Yes
Check the main board U23
power supply circuit
No
5-11 Trouble shooting Chart
Fan can not rotate
HDMI input does not output
FAN can not rotate
Check the voltage
of FAN
Go
Check the FAN
power supply circuit
No
OK
Replace a new fan
HDMI input does
not output
Go
Check the DVD mode is
OK,HDMI output is ok
OK,HDMI output is ok
No
Replace the Main board
Yes
Replace U27 Sil9573
check connector is HDMI IN 1,
AND SET HDMI IN 1 INPUT,
AND SET HDMI IN 1 INPUT,
Correct connection
No
OK
OK
5-12 Trouble shooting Chart
WIFI or Airplay does not work
WIFI or Airplay does not
work
Check the WIFI module
and antenna is OK
Go
Replace the WIFI
Module or antenna
OK
Check the Airplay
module and antenna is
OK
Replace the Airplay
Module or antenna
OK
Replace the Main board
NO
NO
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