Failure Mode Of Panel
Failure description
Phenomenon
Vertical block defect
Vertical dim lines
Vertical lines defect
(Always bright or dark)
Horizontal block defect
Horizontal dim lines
Horizontal lines defect
(Always bright or dark)
Has bright or dark pixel
Polarizer has bubbles
Polarizer has bubbles
Foreign material inside
polarizer . It shows liner or
dot shape.
Concentric circle formed
Bottom back light of LCD is
brighter than normal
Back light un-uniformity
Backlight has foreign material.
Black or white color, liner or
circular type
Quick reference for failure mode of LCD panel
this page presents problems that could be made by LCD panel.
It is not necessary to repair circuit board. Simply follow the mechanical
instruction on this manual to eliminate failure by replace LCD panel.
32
248C3L LCD
Summary of Contents for 248C3LSB/00
Page 5: ...248C3L LCD 5 Troubleshootingʳ ...
Page 6: ...6 248C3L LCD Troubleshooting ...
Page 15: ...248C3L LCD 15 FAQs Frequently Asked Questions ...
Page 16: ...16 248C3L LCD FAQs Frequently Asked Questions ...
Page 19: ...248C3L LCD 19 Service tool Hardware PCM code 12NC 5E L8215 001 996510019769 ...
Page 24: ...24 248C3L LCD DDC Instructions Step 2 Press Open File then choose 248C3L DDC FILE Fig 5 ...
Page 31: ...248C3L LCD 31 Firmware Upgrade for CPU Step 4 Press Auto to upgrade FW Step 5 Upgrade OK ...
Page 33: ...248C3L LCD 33 LULQJ LDJUDP ...
Page 34: ...34 248C3L LCD ORFN LDJUDP ...
Page 38: ...S calar Diagram C B A 38 248C3L LCD ...
Page 40: ...LED Driver Diagram C B A 40 248C3L LCD ...
Page 42: ...Control Diagram C B A 42 248C3L LCD ...
Page 44: ...LED Diagram C B A 44 248C3L LCD ...
Page 63: ...248C3L LCD 63 Exploded View ...