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< Page 2 of screen >
Detection item
Display
Fan lock
Abnormal of operation of
PANEL
Abnormal rise
oftemperature in PANEL
Abnormal rise of
temperature in AUDIO
PWB
Short circuit detection of
AUDIO PWB
Panel communication
Sub memory
Temp. sensor
Audio control
Abnormal rise of CARD
CARD
VIEWER PWB
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.
Type of error
Low bias line short protection
ATSC digital tuner communication error
Fan lock
< 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 content
FAN
Not used.
ALM
Not used.
TMP
Not used.
ATP
Not used.
ASH
Not used.
PNL
Not used.
MEM
Not used.
TMP
Not used.
AIO
Not used.
Comfirmation of reply of ACK signal which uses
SDA communication.
IC1001
[CARD VIEWER PWB]
Display
LOB
Low luminance blue turnig on and off at 1 second intervals.
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Low luminance blue Flash 2.0 second / Low luminance blue Out 2.0 seconds
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Low luminance blue Flash 2.0 second / Low luminance blue Out 2.0 seconds
Diagnosis
Detection timing
signal (line)
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SDA
If it checks whenever SDA
communication is performed and
no reply of ACK signal an error
will be counted.
POWER LED flash cycle
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(No.YA301)1-27
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