JVC LT-40X776/S, Руководство по обслуживанию

Страница: 27 / 194

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