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LG LDP6797 Series User Manual

LG LDP6797 Series
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[SVC Notice][Abnormal Display]TV SVC Working Guide for White Screen (Whitening)
Service Bulletin
Product: LED TV
Bulletin #: GLZ201900163-02
Release Date: 07/03/2019
Applicable for Serial Number: All Serial No.
1. Repair Guide:
- Remove ESD protection diode
Disassemble the Set Back Cover and Speaker.
Disassemble the LCM Cover Shield covering the Panel Boards.
Check the Diode location at S-PCB, (See the attached material for each model shown on page 3).
Remove the diode by cutting it out.
Check the removed point by Multimeter, make sure the removal was OK, no short.
Re-assemble the cover shield, speaker and Set back cover.
Page 1
Applicable for Models: ( Please refer to page 3.)
43UK60/63/64/65/67/68/73/74//75/76, 49UK60/63/64/66/68, 49UM72/73/74/78, 49SK80, 55UK60/62/63/64/65/67/68/69/74/75/77/78,
55UM69/71/72/73/74/75/76/79, 55SM80/81/82/85/86/89, 55SK80/81/89, 55UK89, 49SM80/81/82/85/86, 65UM72/73/74/75/76/78/79,
65SM81/82/85/86/89, 65UM81, 65SK80/81/89, 75SM90/94/96, 75UM80, 75UK61/62/65/67/70/71/74, 75UM71/75/76, 75SK80/81/89
75SM86, 86SM90/94, 86UK65/67/70/71/74/75, 86UM75
Bulletin Type: SVC Notice Parts Others
Applicable only with symptoms with every repair
Symptoms
Abnormal Display (White Screen _ whitening,
not fully white)
Picture
Cause
Vcom signal is abnormal by ESD protection diode
short, located on the S-PCB of the Panel Ass’y.
(OK) (NG)

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LG LDP6797 Series Specifications

General IconGeneral
BrandLG
ModelLDP6797 Series
CategoryDishwasher
LanguageEnglish

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