Samsung UN J5500AF Series, Руководство по обслуживанию

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Main Board
TROUBLESHOOTING VIDEO PROBLEMS :
MUTE
147
MUTE
Customer Picture Test 1
Mute 147 Mute
Start Up Logo

Video Operation

If NG:

Customer Picture
Test

Video Operation
Both Generated
on Main Board.

If OK:

Check Source &
Cables

Test other inputs

If NG:

T-Con Board Test

T-CON Board Status LEDs.

All Status LEDs are On

T-CON DC Supplies are OK

If one LED Off:

TCON Board (defective)

If all LEDs off:

12V fuse on TCON, if open replace TCON

12Vdc from Main Board/LVDS/SMPS
TCON Board
Mute 147 Mute
Panel

Panel Ribbons

If NG one side:

Swap Panel Ribbons

If problem moves to
other side

Replace defective
Ribbon

If it stays same side

Replace TCON

Still NG

Panel

BL OK but no or NG
Video

T-CON first

Panel
UN40J5500AFXZA Fast Track Troubleshooting Manual Rev 6/15/15cr