Sony DAV-IS50 User Manual

If you experience any of the following difficulties while using the system, use this troubleshooting 
guide to help remedy the problem before requesting repairs. Should any problem persist, consult your 
nearest Sony dealer.
Note that if service personnel changes some parts during repair, these parts may be retained.
In the event of a problem with S-AIR function, have a Sony dealer check the entire system together 
(S-AIR main unit (control unit and subwoofer) and S-AIR sub unit).

The power is not turned on.

• Check that the AC power cord (mains lead) is connected securely.
• Press "/1 after “STANDBY” disappear from the front panel display.
• After connecting the AC power cord (mains lead), wait about 20 seconds 

before turning on the power by pressing "/1.

If “PROTECTOR” and “PUSH 
POWER” appear alternately in the 
front panel display.

Press "/1 to turn off the system, and check the following items after 
“STANDBY” disappears.
• Are  the  3 and # speaker cords short-circuited?
• Are you using only the specified speakers?
• Is anything blocking the ventilation slots of the system?
Check the above items and fix any problems. After “STANDBY” 
disappears, wait about 20 seconds before turning on the power by pressing 
"

/1. If the cause of the problem cannot be found even after checking all the 

above items, consult your nearest Sony dealer.