PANASONIC VIERA TC37LX80 SERVICE MODE - LED BLINKING CODES
SELF DIAGNOSIS FUNCTION
When defects are reported, as Power failure occasionally or Video or Audio fails from time to time, and cannot be confirmed at the time of repair, the self diagnosis function can be used to confirm these occurrences and indicate or limit the scope of the circuit to be examined.
Some programmed channels, channels caption data and some other settings or user setting may return to factory settings.
TO ACCESS THE AIR SELF-DIAGNOSIS MODE
- With TV mode RF nevertheless, simultaneously press "Volume (-)" button on the 'TV' and 'Menu' button on the Remote control.
- To 'Exit' this mode, switch OFF the TV.
TO ENTER SERVICE MODE
- Select channel [99].
- Set Timer for [30] minutes.
- Press (Recall) button on the remote control, and (Down) button at the front panel of the TV. [do not forget to press "Function" panel of the device before pressing the 'Down'.
- Press "Red" button on the remote control to make adjustments.
METHOD OF SERVICE CO2
- Enter into service mode.
- Select "CEC Check" and press the 'Hold' button on the remote control to enter the service mode-2.
METHOD OF SELF DIAGNOSIS
- Press the "Timer" button on the remote control and 'Down' panel of the TV.
- Press "Power" on the remote control to 'Exit'.
FUNCTION OF WAY HOTEL
- Press the 'Down' panel of the TV while pressing [TV/AV, TV/AV] on the remote control.
- Press the [MENU,MENU] on the remote control to 'Exit' Hotel Mode function.
COMMAND BUTTONS [ SERVICE -1]
- Press the "Green/Red" to move between functions.
- Press 'Yellow/Blue" to change data value.
- Press [OK] button after each adjustment to store the new adjusted value in memory.
COMMAND BUTTONS -SERVICE-2]
- Press "Red/Green" to select.
- Press [1] of [2] to select the 'bit'
- Press (+/-) or (Up/Dn) to change the bit '0' or '1'.
- Press [OK] button after each adjustment to record the new value into memory.
LED BLINKING CODES
When there is an abnormality in the unit, the protection circuit will reset the unit to standby mode.
At this time, the bad block can be identified by the number of times the Power LED flashes on the front panel of the unit.
No. of LED blinks
|
Suspected fault point
|
Check parts
|
Remarks
|
1 blink
|
Inverter SOS [24V line inverter in LCD panel]
|
# Power unit. #
LCD panel.
|
--------------------
|
3 blinks
|
SOS BT 30V/Sound 18V/Panel 12V
|
PLACA AP
PLACA H
|
--------------------
|
4 blinks
|
Sub 9V
|
PLACA AP
|
--------------------
|
5 blinks
|
Sub 5V
|
PLACA AP
|
--------------------
|
6 blinks
|
Main 9V
|
PLACA AP
|
--------------------
|
8 blinks
|
Main 3.3V
|
PLACA AP
|
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|
