Troubleshooting Guide; Self Check; Display Indication; Power Led Blinking Timing Chart - Panasonic TH-50LFE7U Servise Manual

TH-50LFE7U/TH-50LFE7W/TH-50LFE7E

6 Troubleshooting Guide

6.1.

Self Check

6.1.1.

Display Indication

1. Self-check is used to automatically check the bus line controlled circuit of the LCD display.
2. To get into the Self-check mode, press the volume down button on the rear side of the unit, at the same time pressing the
OFF-TIMER button on the remote control, and the screen will show.
Method A Self-check only (A shipment setup is not carried out).
• Select the ID mode by Up/Down button on the remote control at the front page of CAT mode and then press the Mute button
on the remote control more than 3 seconds.
Method B Self-check+Shipment setup
• Press and hold the button on the rear side of the unit and press the OFF-TIMER button on the remote control.
If the IIC ports have been checked and found to be incorrect
Or not located then " - - " will appear in place of " OK "
" 02 " in the line of the " PTCT " means the number of blinks of the Power LED is 2. (Reference to 6.1.2)
" H09 " in the line of the " PTCT " is the error code.
To exit the CAT mode switch off the main power.
Note:
The line of the " PTCT " displays when you get into the Self-check mode for the first time only after the Power LED blinks.
6.1.2.

Power LED Blinking timing chart

1. Subject
Information of LED Blinking timing chart.
2. Contents
When an abnormality has occurred to the unit, the protection circuit operates and resets to the stand by mode. At this time,
the defective block can be identified by the number of blinks of the Power LED on the front panel of the unit.
*
Refer to 6.1.1 Display Indication
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