Service Manuals, User Guides, Schematic Diagrams or docs for : Philips Monitor 202P70 chassis P72 Philips 202p7
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21" CRT Colour Monitor Chassis: P72
202P7
Service
Service 202P70/00
202P73/27
Service 202P75/75
202P75/93
202P75/97
Horizontal Frequencies
30 - 130KHz
TABLE OF CONTENTS
Description Page Description Page
Important Safety Notice-----------------------------------2 Video Diagram & C.B.A.---------------------------43~45
Technical Data----------------------------------------------3 Terminal Diagram & C.B.A. -----------------------46~48
Installations -------------------------------------------------4 Drive Diagram & C.B.A. ---------------------------49~50
Electrical Instructions----------------------------------5~8 Key Control Diagram & C.B.A. ------------------------51
Mechanical Instructions------------------------------9~10 MHR Diagram & C.B.A.---------------------------------52
Troubleshooting ------------------------------------------11 Waveform Diagram---------------------------------53~56
OSD Adjustments------------------------------------12~21 Exploded View-------------------------------------------57
OSD Tree---------------------------------------------------22 Spare Parts List-------------------------------------58~62
DDC Instructions-------------------------------------23~27 Recommended Parts List ------------------------------63
DDC DATA --------------------------------------------28~29 General Product Specification -------------------64~84
Repair Flow Chart -----------------------------------30~36 Color Adjustments ---------------------------------------85
Wiring Diagram -------------------------------------------37 Repair Tips------------------------------------------------86
Block Diagram---------------------------------------------38 Safety Test Requirements -----------------------------87
Main Diagram & C.B.A.-----------------------------39~42 Warning and Notes--------------------------------------88
Different Parts List---------------------------------------89
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
Published by BCU Monitors Printed in Suzhou Copyright reserved Subject to modification K May. 13 2005 GB 3138 106 10472
2 202P7 CRT Important Safety Notice
Go to cover page
Proper service and repair is important to the safe, reliable
FOR PRODUCTS CONTAINING LASER :
operation of all Philips Consumer Electronics Company**
Equipment. The service procedures recommended by DANGER- Invisible laser radiation when open.
Philips and described in this service manual are effective AVOID DIRECT EXPOSURE TO BEAM.
methods of performing service operations. Some of these
CAUTION- Use of controls or adjustments or
service operations require the use of tools specially designed performance of procedures other than
for the purpose. The special tools should be used when and those specified herein may result in
as recommended. hazardous radiation exposure.
It is important to note that this manual contains various CAUTION- The use of optical instruments with this
CAUTIONS and NOTICES which should be carefully read in product will increase eye hazard.
order to minimize the risk of personal injury to service
personnel. The possibility exists that improper service
methods may damage the equipment. It is also important to
understand that these CAUTIONS and NOTICES ARE NOT
EXHAUSTIVE. Philips could not possibly know, evaluate and
TO ENSURE THE CONTINUED RELIABILITY OF THIS
advise the service trade of all conceivable ways in which PRODUCT, USE ONLY ORIGINAL MANUFACTURER'S REPLACEMENT
service might be done or of the possible hazardous PARTS, WHICH ARE LISTED WITH THEIR
consequences of each way. Consequently, Philips has not PART NUMBERS IN THE PARTS LIST SECTION OF THIS SERVICE
MANUAL.
undertaken any such broad evaluation. Accordingly, a
servicer who uses a service procedure or tool which is not
recommended by Philips must first satisfy himself thoroughly
that neither his safety nor the safe operation of the
equipment will be jeopardized by the service method
selected.
* * Hereafter throughout this manual, Philips Consumer
Electronics Company will be referred to as Philips.
WARNING
Critical components having special safety characteristics are
identified with a ! by the Ref. No. in the parts list and
enclosed within a broken line* (where several critical
components are grouped in one area) along with the safety
symbol ! on the schematics or exploded views.
Use of substitute replacement parts which do not have the
same specified safety characteristics may create shock, fire,
or other hazards.
Under no circumstances should the original design be
modified or altered without written permission from Philips.
Philips assumes no liability, express or implied, arising out of
any unauthorized modification of design.
Servicer assumes all liability.
* Broken Line
Technical Data 202P7 CRT 3
Go to cover page
1. ELECTRICAL SPECIFICATION 2. Environmental conditions
1.1. CRT 2.1. Operating
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