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B. Display abnormal
1. LCD display abnormal
01. Check the connection between J2 of M/B and LCD-FPC.
02. Check the function for LCD and U1 of MB.
03. Check the U12 output whether is ok or not.
2. Button abnormal
01. Check the peripheral components of U1
3. Image abnormal
01. Ensure the U12 output VCC 13V, VCC6V is normal. If there is abnormal signal occurs, please
check and replace.
02. Check the peripheral components of U1 of MB.
03. Check the peripheral components and CCD board
4. TV display abnormal
01. Check the function J4 of M/B
02. Check the connection between U1 of MB and other components.
5. Power LED is on, but LENS still doesn’t work.
01. Check the connection between J6 of M/B and LENS FPC.
02. Check the LENS is OK or not.
03. Ensure the output voltage of U12 is 5.5V and LENS working voltage
04. Check the peripheral components of U11 around the main board.
U12
U7
J3