(No.52169)1-57
•
PAGE 2
5.1.7 DISPLAY METHOD WHEN RASTER IS NOT AVAILABLE
When raster is not displayed due to failure of the set, the POWER LED light will flash to indicate the ailure mode. Trigger for forced
shutdown of power is stored and displayed.
< Details on Operation >
Power of TV will be turned off when NG is detected for "Panel Error" and "LOW B short Protection". "POWER LED" will start flashing
immediately after power is turned off and power of tuner and panel cannot be turned on upon shutdown until the AC plugs are
disconnected once and reconnected.
Item
Display
Description of detection
Diagnosis
signal (line)
Means of detection
Unit
PANEL
TRANSMISSION
PNL
Is panel protection activated
properly?
[PDP]
SDA
Monitors upon every I
2
C transmission
and counts if ACK is not returned
Display
TERMINAL
ALARM
TAM
Is panel protection activated
properly?
[PDP]
SDA
Detection starts 5 seconds upon
power on Performs detection every
16ms and turns off power if NG lasts
for 500ms
Display
PANEL
TEMPERATURE
RISE
TMP
Is temperature in PDP proper?
[IC8101]
SDA
Performs detection every 0.5 sec and
turns off power if number of times
temperature exceeds service setting
beyond acceptable limit
Display
MEMORY
MEMP
Is ACK returned during I
2
C
transmission? [IC1703]
SDA
Monitors upon every I
2
C transmission
and counts if ACK is not returned
Display
INSIDE
TEMPERATURE
OF A RECEIVER
UNIT
TEMP
Not used (Only display)
---
---
---
DEVICE DRIVE
COLOR
MANAGEMENT
DDT
Is ACK returned during I
2
C
transmission?
[IC401]
SDA
Monitors upon every I
2
C transmission
and counts if ACK is not returned.
Receiver
DEVICE DRIVE
COLOR
MANAGEMENT
DDP
Same as above
[IC401]
SDA
Same as above
Display
FAN STOP
FAN
Not used (Only display)
---
---
---
A-D CONVERTER
AD
Is ACK returned during I
2
C
transmission? [IC501]
SDA
Monitors upon every I
2
C transmission
and counts if ACK is not returned.
Receiver
DIGITAL INPUT
PROCESS
DVI
Same as above [IC7701]
SDA
Same as above
Receiver
Trigger of error
Display
LED flash cycle of receiver unit
LED flash cycle of display unit
LOW B LINE
SHORT
PROTECTION
LOB
Every 2.0 secs
Blue (Low luminosity) every 1.0 sec
PANEL
OPERATION
TAM
Every 1.0 sec
Blue (High luminosity) every 1.0 sec
TMP
Every 1.0 sec
Blue (High luminosity) every 2.0 sec