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26
LC-22AD1E
5. Lamp error detection
1) Function description
This LCD colour television has a function (lamp error detection) that turns off the power automatically, for
safety, if a problem occurs with a lamp or a lamp circuit.
If there is a problem with a lamp or a lamp circuit or if a lamp error is detected for some other cause, the
following will occur.
safety, if a problem occurs with a lamp or a lamp circuit.
If there is a problem with a lamp or a lamp circuit or if a lamp error is detected for some other cause, the
following will occur.
(1) The power is turned off about 15 seconds after the power to the TV is turned on. (The power LED on
the front of the TV will be changed from green to red, and it will flash three times repeatedly.)
(2) If the protective function described in (1) is repeatedly activated five consecutive times, you will not be
able to turn on the power. (The red power LED will flash three times, repeatedly.)
2) Countermeasures
1. Confirmation after the lamp error detection is deactivated
When the power is turned off due to the lamp error detection function as described above, turn off the
[power] while the power LED is red. Then, when the “TV/VTR” key and the “MENU” key a r e h e l d
down and the “MAIN POWER“ key is pressed, the [inspection process] mode will be entered and “K”
will be displayed. Next, press the “VOL (-)” key and the “CH(
[power] while the power LED is red. Then, when the “TV/VTR” key and the “MENU” key a r e h e l d
down and the “MAIN POWER“ key is pressed, the [inspection process] mode will be entered and “K”
will be displayed. Next, press the “VOL (-)” key and the “CH(
"
)” key at the same time to enter the
[adjustment mode].
Then, you can check the operation to see if the lamp and lamp circuit are abnormal.
See if [ERROR NO RESET] in the first page of the adjustment is set to 1 or more.
If it is 1 or more, it means that a lamp error has been detected.
Then, you can check the operation to see if the lamp and lamp circuit are abnormal.
See if [ERROR NO RESET] in the first page of the adjustment is set to 1 or more.
If it is 1 or more, it means that a lamp error has been detected.
2. Resetting the lamp error count
After you have finished checking whether the lamp and lamp circuit are abnormal, reset the lamp error
count.
Select [ERROR NO RESET] in the first page of the adjustment process, and reset it to [0] using the
cursor “(
count.
Select [ERROR NO RESET] in the first page of the adjustment process, and reset it to [0] using the
cursor “(
Û
)/(
û
)” keys.
WLD 26 VER 1.000 DTV VER
INCH
SIZE
22
MODEL
AD1E
ERROR NO RESET
0
1BIT_AMP ERR
0
PUBLIC MODE
OFF
COM BIAS 60
100
COM BIAS 50
100
PAL TAMP
20
SECAM TAMP
20
AV AMP
20
TAMP L
160
Y
READ VALUE
TAMP H
168
RESET "0"
Fig. 5-1
First page of the first layer of the adjustment process
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