Horizontal frequencies
30-83kHz
Service
Service
Service
TABLE OF CONTENTS
Published by BCU Monitors Printed in Suzhou Copyright reserved Subject to modification K Oct. 15 2004
Description Page
Important Safety Notice---- ------------------------------ 2
Technical Data ------------------------------------------3~4
Warning Message------------------------------------------7
Lock/unlock,Aging,Service/Factory mode------------8
Definition of pixel defects-------------------------------12
Instalation/On Screen Display------------------------5~6
Flat panel adjust--------------------------------------------9
Mechanical Instructions----------------------------10~11
Electrical instruction--------------------------------13~14
DDC Instructions-------------------------------------15~21
Failure mode of panel------------------------------------22
Safety Test Requirments--------------------------------23
ISP CABLE FOR CPU-------------------------------24~26
Description Page
Repair tips ------------------------------------------------27
Color adjustment----------------------------------------28
Repair Flow chart/Trouble shooting-------------29~32
Block Diagram---------------------------------------33~34
Control Diagram & C.B.A.------------------------------43
Power Diagram & C.B.A.--------------------------44~47
Exploded View------------------------------------------- 48
Spare/recommended parts list------------------49~50
General product specification--------------------51~78
DDC DATA -------------------------------------------79~80
Different parts list----------------------------------------81
Scaler Diagram&C.B.A.---------------------------36~42
Wiring Diagram -----------------------------------------35
REFER TO BACK COVER FOR IMPORTANT SAFETY GUIDELINES
CAUTION: USE A SEPARATE ISOLATION TRANSFORMER FOR THIS UNIT WHEN SERVICING.
ANY PERSON ATTEMPTING TO SERVICE THIS CHASSIS MUST FAMILIARIZE HIMSELF WITH THE CHASSIS
AND BE AWARE OF THE NECESSARY SAFETY PRECAUTIONS TO BE USED WHEN SERVICING ELECTRONIC
EQUIPMENT CONTAINING HIGH VOLTAGES.
SAFETY NOTICE
SH4 HP L1940
GB
3138 106 10428
19" LCD Colour Monitor
EJ6B50/02
EJ6B50/69
EJ6B50/76
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