Read Panasonic TU-PTA500U Service Manual online
4 Self-check Function
When symptoms like "the power fails sometimes" or "sometimes there is no picture and/or sound" can not be confirmed at the time
of servicing, the self-check function can be used to confirm the occurrence and to find the defective circuit.
of servicing, the self-check function can be used to confirm the occurrence and to find the defective circuit.
In case of "power failure", flashing of the "VIDEO IN" indication (red) at the front of the unit can be used to narrow down the +B line.
4.1.
Self-check of the microcomputer control system (bus line)
Indication method
Screen display
<Indication method>
Press the OFF TIMER button on the other model TV remote control
simultaneously with the "VOLUME -" button on the unit.
(The display will be switched to the screen ofVIDEO 1 and the screen
shown on the right will be displayed.)
<Return to the normal screen>
Return to the normal screen will be made by POWER or any other remote
control operation.
Press the OFF TIMER button on the other model TV remote control
simultaneously with the "VOLUME -" button on the unit.
(The display will be switched to the screen ofVIDEO 1 and the screen
shown on the right will be displayed.)
<Return to the normal screen>
Return to the normal screen will be made by POWER or any other remote
control operation.
9
TU-PTA500U
Click on the first or last page to see other TU-PTA500U service manuals if exist.