Philips 190EW9FB 00, Service Manual

Page: 2 / 63

190EW9 LCD 2
Important Safety Notice
Proper service and repair is important to the safe, reliable
operation of all Philips Consumer Electronics Company**
Equipment. The service procedures recommended by Philips
and described in this service manual are effective methods of
performing service operations. Some of these service
operations require the use of tools specially designed for the
purpose. The special tools should be used when and as
recommended.
It is important to note that this manual contains various
CAUTIONS and NOTICES which should be carefully read in
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
advise the service trade of all conceivable ways in which
service might be done or of the possible hazardous
consequences of each way. Consequently, Philips has not
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
FOR PRODUCTS CONTAINING LASER :
DANGER - In visible laser radiation when open.
AVOID DIRECT EXPOSURE TO BEAM.
CAUTION - Use of controls or adjustments or
performance of procedures other than
those specified herein may result in
hazardous radiation exposure.
CAUTION - The use of optical instruments with this
Product will increase eye hazard.
TO ENSURE THE CONTINUED RELIABILITY OF THIS
PRODUCT, USE ONLY ORIGINAL MANUFACTURER'S
REPLACEMENT PARTS, WHICH ARE LISTED WITH
THEIR PART NUMBERS IN THE PARTS LIST SECTION
OF THIS SERVICE MANUAL.
Take care during handling the LCD module with backlight
unit
- Must mount the module using mounting holes arranged in
four corners.
- Do not press on the panel, edge of the frame strongly or
electric shock as this will result in damage to the screen.
- Do not scratch or press on the panel with any sharp objects,
such as pencil or pen as this may result in damage to the
panel.
- Protect the module from the ESD as it may damage the
electronic circuit (C-MOS).
- Make certain that treatment persons body are grounded
through wrist band.
- Do not leave the module in high temperature and in areas
of high humidity for a long time.
- Avoid contact with water as it may a short circuit within
the module.
- If the surface of panel become dirty, please wipe it off with
a soft material.( Cleaning with a dirty or rough cloth may
damage the panel.)
http://www.wjel.net