JVC PD-42WX84SJ Service Manual page 57

• PAGE 2
Item Display
PANEL PNL
TRANSMISSION
TERMINAL TAM
ALARM
PANEL TMP
TEMPERATURE
RISE
MEMORY MEMP
INSIDE TEMP
TEMPERATURE
OF A RECEIVER
UNIT
DEVICE DRIVE DDT
COLOR
MANAGEMENT
DEVICE DRIVE DDP
COLOR
MANAGEMENT
FAN STOP FAN
A-D CONVERTER AD
DIGITAL INPUT DVI
PROCESS
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.
Trigger of error Display
LOW B LINE LOB
SHORT
PROTECTION
PANEL TAM
OPERATION
TMP
< 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.
Description of detection
Is panel protection activated
properly?
[PDP]
Is panel protection activated
properly?
[PDP]
Is temperature in PDP proper?
[IC8101]
2
Is ACK returned during I C
transmission? [IC1703]
Not used (Only display)
2
Is ACK returned during I C
transmission?
[IC401]
Same as above
[IC401]
Not used (Only display)
2
Is ACK returned during I C
transmission? [IC501]
Same as above [IC7701]
LED flash cycle of receiver unit
Every 2.0 secs
Every 1.0 sec
Every 1.0 sec
Diagnosis
Means of detection
signal (line)
SDA Monitors upon every I
and counts if ACK is not returned
SDA Detection starts 5 seconds upon
power on Performs detection every
16ms and turns off power if NG lasts
for 500ms
SDA Performs detection every 0.5 sec and
turns off power if number of times
temperature exceeds service setting
beyond acceptable limit
SDA Monitors upon every I
and counts if ACK is not returned
---
SDA Monitors upon every I
and counts if ACK is not returned.
SDA Same as above
---
SDA Monitors upon every I
and counts if ACK is not returned.
SDA Same as above
LED flash cycle of display unit
Blue (Low luminosity) every 1.0 sec
Blue (High luminosity) every 1.0 sec
Blue (High luminosity) every 2.0 sec
Unit
2
C transmission Display
Display
Display
2
C transmission Display
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2
C transmission Receiver
Display
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2
C transmission Receiver
Receiver
(No.52169)1-57