Read Panasonic TX-40CX670E / TX-40CX680E / TX-40CXR700 (serv.man2) Service Manual online
18
7 Troubleshooting Guide
Use the self-check function to test the unit.
1. Checking the IIC bus lines
2. Power LED Blinking timing
2. Power LED Blinking timing
7.1.
Check of the IIC bus lines
7.1.1.
How to access
7.1.1.1.
Self-check indication only:
Produce TV reception screen, and while pressing [VOLUME ( - )] button on the main unit, press [BLUE] button on the remote
control for more than 3 seconds.
control for more than 3 seconds.
7.1.1.2.
Self-check indication and forced to factory shipment setting:
Produce TV reception screen, and while pressing [VOLUME ( - )] button on the main unit, press [MENU] button on the remote
control for more than 3 seconds.
control for more than 3 seconds.
7.1.2.
Screen display
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