17
7 Troubleshooting Guide
Use the self-check function to test the unit.
1. Checking the IIC bus lines
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 [OK] button on the remote control
for more than 3 seconds.
7.1.1.2.
Self-check indication and forced to factory shipment setting:
Caution:
New key will be generated and previous TV programmes recorded in USB HDD will not be viewed. (See Chap.5)
Produce TV reception screen, and while pressing [VOLUME ( - )] button on the main unit, press [MENU] button on the remote con-
trol for more than 3 seconds.
7.1.2.
Screen display
7.1.3.
Check Point
Confirm the following parts if NG was displayed.
7.1.4.
Exit
Disconnect the AC cord from wall outlet or switch off the power with [ Power ] button on the main unit.
Summary of Contents for TX-P50S20B
Page 20: ...20 7 4 No Picture ...
Page 40: ...40 12 3 Wiring 2 ...
Page 41: ...41 12 4 Wiring 3 ...
Page 42: ...42 ...
Page 43: ...43 13 Schematic Diagram 13 1 Schematic Diagram Note ...
Page 83: ...83 A B C D E F G H I 1 2 3 4 5 6 P BOARD COMPONENT SIDE ETX2MM806MEH ...
Page 96: ...96 15 1 2 Exploded View 2 ...
Page 97: ...97 15 1 3 Packing 1 ...
Page 98: ...98 15 1 4 Packing 2 ...
Page 99: ...99 15 1 5 Mechanical Replacement Parts List ...
Page 102: ...102 15 2 Electrical Replacement Parts List 15 2 1 Replacement Parts List Notes ...