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32L310U20 Service manual
Be sure to read this manual before servicing. To ensure safety from fire, electric shock, injury, harmful
radiation and materials, various measures are provided in this LCD Television.
Be sure to read cautionary items described in the manual before servicing.
These servicing instructions are for use by qualified service personnel only. To reduce the risk of electric
shock, do not perform any servicing other than that described in the operating instructions unless you are
qualified to do so.
1. Since the Panel Module and the front Filter are made of glass, handling the broken Module and Filter
carefully and with caution in order not to receive injury.
2. Replacement work should be started after the Panel Module and the AC/DC Power supply have become
sufficiently cool.
3. Special care should be taken when working near the display area in order not to damage its surface.
4. The Panel Module should not be touched with bare hands in order to protect its surface from blemishes
and damage.
5. It is recommended that you use clean soft gloves during the replacement work in order to protect not only
the display area of the Panel Module but also yourself.
1. Features .......................................................... 4
2. Specifications .................................................. 5
3. Component names .......................................... 11
4. Service points ............................................... 13
5. Adjustment .................................................... 14
6. Troubleshooting ............................................ 39
7. Attachments……………………………………4
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8.Exploded view………………………………….4
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LCD Television
Caution
Contents
Service Warning
Summary of Contents for 32L310U20
Page 2: ...2 Revison History Rev Date Changed Content Name Note ...
Page 11: ...3 Components name 11 8 ...
Page 12: ...12 ...
Page 22: ...5 3 5 PQ ADVANCED PQ Adjust Adjustments are included VIP NR QMAP etc 22 ...
Page 29: ...5 8 EMC SETTING For Pass Certification 0 2 DDR spread settings 3 5 LVDS spread settings 29 ...
Page 30: ...5 9 SYSTEM INFO 30 ...
Page 31: ...5 10 SW UPGRADE 0 Upgrade item 1 The required upgrade file name 31 ...
Page 35: ...35 ...
Page 41: ...Power supply for LED drive 41 ...
Page 43: ...Display Trouble white screen 43 ...
Page 44: ...6 4 No back light Power LED logic OK sound OK but no picture Different from No Display 44 ...
Page 45: ...Audio Trouble No sound 6 5 No sound One or all signal source without sound 45 ...
Page 46: ...Function Trouble TV video 6 6 Signal source no function One or several source no function 46 ...
Page 47: ...Function Trouble SCART HDMI YPbPr CVBS 47 ...
Page 50: ......
Page 51: ...QSG FR SP ...
Page 63: ......
Page 66: ......
Page 67: ...32L310U20 3MS553B0 Wiring Diagram MSD3553 ZUC 007S 3MS553B0 3IN1 BD FOR POWER ...