SportsArt Fitness T680E, Руководство по устранению неисправностей

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5. Troubleshooting - TFT LCD Screen Does Not Light Up
Order Part Troubleshooting
1
TFT LCD
driver board
1. Inspect the cable connections.
2. Inspect whether the U3 program IC is installed properly, or replace the IC as a test.
3. Replace the TFT LCD driver board as a test.
2 30-pin cable
1. Inspect cables for bad connections or an electrical open.
3 TFT LCD panel
2. Inspect cable connections and look for an electrical open.
3. Replace the TFT panel as a test.
4 TUNER board
1. Inspect the TV terminal and exterior TV signal cable connections.
2. Inspect cables for bad connections or an electrical open.
5 20-pin adapter
Inspect the adapter connections and look for an electrical open.
6 AV board
1. Inspect the AV board and exterior DVD signal cable connections.
2. Replace the AV board as a test.
7 Cable Inspect cables for bad connections or an electrical open.
8 5-pin cable Inspect cables for bad connections or an electrical open.
9 Inverter board
1. Inspect CN1, CN2 cable connections.
2. Replace the inverter board as a test.
10 2-pin cable
Inspect cables for bad connections or an electrical open.