Sharp LC-20B4M Service Manual
Text of the manual
LCD COLOUR TELEVISION
In the interests of user-safety (Required by safety regulations in some countries) the set should be re-
stored to its original condition and only parts identical to those specified should be used.
CONTENTS
» IMPORTANT SERVICE SAFETY PRECAUTION ...................................
2
LC-20B4M
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Precautions for using lead-free solder
1
Employing lead-free solder
"All PWBs" of this model employs lead-free solder. The LF symbol indicates lead-free solder, and is attached on
the PWBs and service manuals. The alphabetical character following LF shows the type of lead-free solder.
Example:
2
Using lead-free wire solder
When fixing the PWB sold
As a part of policy of continuous improvement, SHARP reserves the right to make design and specification
changes for product improvement without prior notice. The performance specification figures indicated are nominal
values of production units. There may be some deviations from these values in individual units.
LCD panel
Number of
Upper control panel
MENU
MAIN POWER
TV/VIDEO
CH( )/( )
VOL (-)/(+)
POWER
SLEEP
SLEEP indicator
The SLEEP indicator lights up red when the
SLEEP TIMER is set to on.
Remote sensor window
Power/Standby indicator
A green indicator lights when the power is on
and a red indicator lights when
