Read LG 55LEX8-SA (CHASSIS:LJ03S) Service Manual online
9. Trouble shooting – 3D Mode view error (no Depth, like 2D mode)
Change the 3D Glasses
ok
Check 3D_SYNC Line
- T-Con B/D P1302 3pin
- Main B/D P3302 16pin
No
Check 3D Emitter of Main – P1302 1pin : 5V
Check Q11402,4 of T-Con B/D
Maybe FPGA or FRC has problems.
Replace It or 3D T-Con B/D
No
Replace 3D Glasses
Replace 3D Emitter Assy
ok
No
Replace Q11402,4 of T-Con B/D
No
ok
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