1-26 (No.YA362)
< Page 2 of screen >
5.1.7 METHOD OF DISPLAY WHEN A RASTER IS NOT OUTPUT
In the state where a raster is not output by breakdown of the set, an error is displayed by blink of the POWER LED.
< Explanation of operation >
If error is detected, the power is turned off.
Shortly after a power is turned off, POWER LED will be blinked.
Power cannot be turned on until the power cord takes out and inserts, after a power is turned off.
Detection item Display Detection content
Diagnosis
signal (line)
Detection timing
Fan lock FAN Not used. --- ---
Abnormal of operation of
PANEL
ALM Not used. --- ---
Abnormal rise of
temperature in PANEL
TMP Not used. --- ---
Abnormal rise of
temperature in audio
circuit
ATP Not used. --- ---
Short circuit detection of
audio circuit
ASH Not used. --- ---
Panel communication PNL Not used. --- ---
Sub memory MEM Not used. --- ---
Temp. sensor TMP Not used. --- ---
Audio control AIO Confirmation of reply of ACK signal
which uses I
2
C communication.
IC6521 [ANALOG SIGNAL PWB]
SDA If it checks whenever I
2
C communication
is performed and no reply of ACK signal
an error will be counted.
Type of error POWER LED flash cycle
Low bias line short protection Low luminance blue turnig on and off at 1 second intervals.
Abnormal rise of temperature in audio circuit High luminance blue turnig on and off at 0.1 second intervals.
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