Advertisement
IMI 66-047
FAILURE ISOLATION
Wiring
-
-
Refer to the installation
testing the system wiring
System St_a_t_u_s_ Indicators
The power supply contains five red LED indicators.
are on, they indicate that their corresponding power supply voltages
are operational.
A red LED located near the cassette/music port is the system status
This indicator is turned on steady when power is applied
indicator.
to the KSU.
If the indicator flashes after power up, it could be
indicating a processor failure.
the power supply and observe the LED indication.
flashing indication, refer to Figure
-5V
FUSE
CONNECTOR
Fuse Locations And
Figure 4-l.
check out procedure for instructions for
for possible failure.
4A
-30v
FUSE
250V
4A
BLOW
I
STATUS
STATUS
Unplug and reconnect the AC power to
4-2.
4-2
Maintenance
When thesesLEDs
If it still shows a
Advertisement
