Troubleshooting Guide; Self Check - Panasonic TH-47LFX6U Service Manual

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 right 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
1. Remove the AV Cover Top Assy, in order to operate the button of the unit.
(Refer to step1 in "7.5. Rear Plate Removal" for the method of removing AV Cover Top Assy.)
2. 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, turn the power off by the main unit or a remote control.
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.
• A power supply is not shut off even if this unit detects the abnormalities in a fan.
(About the fault of the fan and the air filter, refer to "6.1.5. About the check at the time of the fault of the fan and the air filter".)
*
• Refer to 6.1.1 Display Indication
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TH-47LFX6U/TH-47LFX6W