Service Manuals, User Guides, Schematic Diagrams or docs for : Philips LCD TV (and TPV schematics) 420WN6QS97 BDL4221V00_ET-SB-EX-SI_1214825715
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BDL 42" LCD Monitor/TV
Service
BDL4221V/00
BDL4221V/27
Service
BDL4221VS/00
420WN6QS/93
Service
420WN6QS/97
Horizontal frequencies
30 - 63kHz
TABLE OF CONTENTS
Description Page Description Page
Important Safety Notice---------------------------------- 2 Scaler Diagram--------------------------------------40~55
Technical Data/Installation----------------------------3~7 Scaler Board C.B.A---------------------------------56~57
On-Screen Display------------------------------------8~11 Power Diagram/C.B.A -----------------------------58~60
Aging Mode/OSD LOCK/UNLOCK--------------------12 IR&Control Diagram/C.B.A -----------------------61~62
Factory Mode/Warning message-----------------13~14 DSUB Diagram/C.B.A------------------------------63~65
Trouble shooting-------------------------------------15~17 Tuner Diagram/C.B.A------------------------------66~68
Failure Mode Of Panel-----------------------------------18 Exploded View -------------------------------------------69
Safety Test Requirements ------------------------------19 Recommended/Spare parts list -----------------70~75
Mechanical Instructions----------------------------20~21 Circuit description---------------------------------------76
Electrical Instructions-------------------------------22~25 Repair Tips-------------------------------------------77~78
Display adjustment----------------------------------26~27 General product specification------------------79~123
DDC DATA/Instructions-----------------------------28~36 Different Parts List-------------------------------------124
ISP Instructions --------------------------------------37~38 Updated for 420WN6QS-----------------------125~126
Block Diagram---------------------------------------------39 Revision List--------------------------------------------127
SAFETY NOTICE
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.
CAUTION: USE A SEPARATE ISOLATION TRANSFORMER FOR THIS UNIT WHEN SERVICING.
REFER TO BACK COVER FOR IMPORTANT SAFETY GUIDELINES
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