JVC LT-Z32SX4B Service Manual page 25

< 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
circuit
Short circuit detection of
audio circuit
Panel communication
Sub memory MEM
Temp. sensor
Audio control
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
Abnormal rise of temperature in audio circuit
< 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.
Not used.
TMP Not used.
AIO Confirmation of reply of ACK signal
2
which uses I C communication.
IC6521 [ANALOG SIGNAL PWB]
Low luminance blue turnig on and off at 1 second intervals.
High luminance blue turnig on and off at 0.1 second intervals.
Diagnosis
Detection timing
signal (line)
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SDA If it checks whenever I
is performed and no reply of ACK signal
an error will be counted.
POWER LED flash cycle
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2
C communication
(No.YA209)1-25