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SERVICE BULLETIN
Product: CRT MONITOR Model: AQ19LS, AQ19JS Bulletin No.: MON02-010 (02-C/M-E0081) Bulletin Date: August 28, 2002 ECN Date: August 28, 2002

SUBJECT: Main PCB and Chassis Frame Background: The main PCB touches the metal chassis frame guides. Although the PCB is covered with protective paint, it may cause failures to R513 and R570. Cause: The protective paint wears out with PCB version range MP 1.2 ~ MP 1.4 with a production date of October 2001 ~ August 2002. Permanent solution : Change PCB pattern from ver 1.4 to ver 1.5 (Sep.2002~ ) Changing the PCB pattern from version 1.4 to version 1.5. For all MP 1.2 ­ MP 1.4 in the field, bend the guide to prevent the PCB from touching the metal frame. See page 2 for additional information.

Solution:

Application Date: August 28, 2002

ORIGINAL
Location No. Part No. Description Part No.

NEW
Description

Revision (9-3-2002)

1

Main PBA

PCB guide part of metal

Bend the guide down very carefully.

Bending angle: 45 degree

45

BEFORE

AFTER

PCB

Pattern touch point

Guide

Revision (9-3-2002)

2