Details; Method Of Display When A Raster Is Not Output; Explanation Of Operation - JVC LT-32EX19/AT Service Manual

5.1.6 DETAILS

Self check is performed for the following items:
Item OSD
LOB protect LOB
EEPROM MEMORY MEN
Sound Meister MEI
RF Tuner TUN
HDMI HDM
Synchronous SYN
Lamp using time TIME
Clear motion drive CMD
AV SW AV SW
HDMI SW HDMI SW Total count of I

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
< Explanation of operation >
If error is detected, the power is turned off. Shortly after the power is turned off, POWER LED will be blinked.
When the protection of low bias line short operates, the power cannot be turned on until the power cord takes out and inserts, after
the power is turned off.
Content
LOB protect detected
Total count of I 2 C error of EEPROM
Total count of I 2 C error of Eala IC.
Total count of I C error of RF Tuner
2
Total count of I C error of HDMI
2
Whether there is Synchronous signal or not? It displays it to the input selecte signal.
Display of panel drive time
-
Total count of I C error of AV SW
2
C error of HDMI SW
2
Power LED turnig on and off at 1 second intervals.
Condition to detect
Start to detect 3sec after LOB is turned on.
Power off if it is being NG for 200ms.
Count is 0-9
Start to detect 3sec after LOB is turned on.
Count NG of acquisition I
Count is 0-9
Start to detect 3sec after LOB is turned on.
Count NG of acquisition I
Count is 0-9
Start to detect 3sec after LOB is turned on.
Count NG of acquisition I
Count is 0-9
Start to detect 3sec after LOB is turned on.
Count NG of acquisition I
Count is 0-9
The display is OK or NG.
When LOB is turned It will be displayed in every
one hour. (Refer to Secton 1)
Not used.
Start to detect 3sec after LOB is turned on.
Count NG of acquisition I
Count is 0-9
Start to detect 3sec after LOB is turned on.
Count NG of acquisition I
Count is 0-9
POWER LED flash cycle
C or NACK.
2
C or NACK.
2
C or NACK.
2
C or NACK.
2
C or NACK.
2
C or NACK.
2
(No.YA702<Rev.005>)1-29