Samsung PCK6115R Service Manual page 9

SAMSUNG PROJECTION TV SERVICE GUIDE
Subject: Screen shows circular mark, size can be up to three inches in diameter.
Background: Moisture or dirt has accumulated between the Lenticular and Fresnel
screens. The Tint screen consists of Lenticular / Fresnel screens, these two screens
must be separated and cleaned.
Countermeasure:
a) Remove front panel, which on some models is held by screws, and on other
models is not. Panel must be separated by carefully pulling seam apart. (Model
PCJ534RF has this type of design).
b) Remove Tint screen, screen is supported on four sides by metal brackets.
c) Remove tape around Tint screen. Save tape, if new tape is needed use black
cloth tape, not electrical tape. Separate Lenticular / Fresnel screens.
d) Clean screens using rubbing alcohol and lens cleaning cloth (lint free). When
cleaning, use circular motion.
e) Reassemble, be sure to re-tape tint screen edges.
f) If problem is still present, replace Tint screen.
Last update: 3/14/01
Section 2 - Service Bulletins
PRODUCT: PJT
7
SERVICE BULLETIN
BULLETIN: PJT05
MODE: all models with PCJ/K or HCJ