Sony CAS-1 Service Manual page 7

BOND FIXATION OF ELECTRICAL PARTS
When C265 on the AMP board replaced, fi x the parts by using the bond (UB510G) (Refer to the fi gure below).
LED INDICATOR
The unit uses LED to inform you of the volume level, the mute status and so on (Refer to the fi gure table).
– Front view –
Others:
When the LED above the volume control fl ashes for a while even after turning off the unit, this is not a mal-
function.
The LED fl ashes for about 30 seconds after pressing the [?/1] button, and the unit enters the standby mode
when the LED turns off.
– AMP Board (Component Side) –
LED status
Indicates volume level by lighting position.
Flashes constantly when sound muted.
Flashes three times when the maximum or minimum volume is reached.
Lights up during the BLUETOOTH standby mode.
When the unit turns off automatically, and the central LED above the volume control lights up
in blue, the BLUETOOTH standby mode is activated. Check the AUTO STANDBY switch on
the rear side of the unit. If both the BLUETOOTH standby function and Auto standby function
are activated, and operations or music playback stops for over 15 minutes, the unit turns off
and enters the BLUETOOTH standby mode automatically.
Indicates the function is activated (In case of Dimmer, the LEDs becomes brighter).
Indicates the function is deactivated (In case of Dimmer, the LEDs becomes darker).
Indicates the protection feature is activated.
When all the Input LED indicators and the LEDs above the volume control are fl ashing at the
same time, the protection feature is activated.
Disconnect the AC cord (mains lead) and check the items below.
•
Check the connection with the connected speakers and turn on the unit (Refer to "Set
up" of the Operating Instructions).
•
Make sure that the ventilations of the unit are not covered and turn on the unit after a
while.
•
When the unit is using the USB-A connection, remove the device connected to the A
(USB-A) port and turn on the unit. If the unit operates properly, the current of the con-
nected USB device is over the maximum output current of the unit 1A, or the USB device
may have an abnormality.
•
If you listen to the sound at volumes high enough to distort the sound, the protection
feature might be activated. If the protection feature is activated, disconnect the AC cord
(mains lead) from the wall outlet and reconnect it, then turn on the unit and turn down the
volume.
C265
Bond (UB510G)
Content
CAS-1
7