AV-A14M3
AV-A14T3
AV-A14AU3
AV-1413EE
SELF CHECK FUNCTIONS
1. Outline
This model has self check functions given below. When an abnormality has been detected, the SUB POWER is turned OFF and the LED
flashes to inform of the failure. An abnormality is detected by the signal input state of the control line connected to the microcomputer.
2. Self check items
Check itemDetails of detectionMethod of detectionState of abnormality
Over-current protectionAn over-current on the LOW-BThe main microcomputerWhen an abnormality has been
line is detected.detects the possible abnormalitydetected, the SUB-POWER is
at 20-msec. intervals and judgesturned off. While the SUB-
the results in every 24 time. OfPOWER is being turned off, the
the 24 times, if NG is detectedpower key of the remote
more than 13 times, it is judgedcontroller is not operational until
that there is an abnormalitythe power plug is taken out and
put in again.
CRT NECK protectionOperation of Vertical deflectionDITTODITTO
circuit.
3. Self check indicating function
At about 3 seconds after the power is turned ON, the self-check
After about
function starts.
3 seconds
In case where an abnormality has been detected, the OFF
TIMER LED flashes, and the SUB-POWER is turned OFF.
Flashing LED
Power onStart ofSUB POWER OFF
detection
Detection of an
abnormality
[ Indication by LED ]
ItemLED flashing intervals
Over-current protection
Turning on and off (0.24-second) intervals
CRT NECK protection
No. 5166929 |