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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
Summary of Contents for TH-50LFE7W
Page 15: ...15 TH 50LFE7U TH 50LFE7W TH 50LFE7E 6 1 3 LCD Panel test mode ...
Page 16: ...16 TH 50LFE7U TH 50LFE7W TH 50LFE7E ...
Page 27: ...TH 50LFE7U TH 50LFE7W TH 50LFE7E 27 8 Block Diagram 8 1 Diagram Notes ...
Page 31: ...31 TH 50LFE7U TH 50LFE7W TH 50LFE7E 9 Wiring Connection Diagram ...
Page 33: ...33 TH 50LFE7U TH 50LFE7W TH 50LFE7E 10 2 Packing and Accessories ...