Read Sony KDE-V42A12U / KE-V42A10E Service Manual online
connect/disconnect signal cables during
circuit operations.
Do thoroughly adjustment of a voltage label
and voltage-insulation.
Before reinstalling the chassis and the
chassis assembly, be sure to use all
protective stuffs including a nonmetal
controlling handle and the covering of
partitioning type.
Caution for design change : Do not install
any additional devices to the module, and
do not change the electrical circuit design.
For example: Do not insert a subsidiary
audio or video connector. If you insert It, It
cause danger on safety. And, If you change
the design or insert, Manufactor guarantee
will be not effect. .
If any parts of wire is overheats of damaged,
replace it with a new specified one
immediately, and identify the cause of the
problem and remove the possible
dangerous factors.
Examine carefully the cable status if it is
twisted or damaged or displaced. Do not
change the space between parts and circuit
board. Check the cord of AC power
preparing damage.
Product Safety Mark : Some of electric or
implement material have special
characteristics invisible that was related on
safety. In case of the parts are changed
with new one, even though the Voltage and
Watt is higher than before, the Safety and
Protection function will be lost.
The AC power always should be turned off,
before next repair..
Check assembly condition of screw, parts
and wire arrangement after repairing.
Check whether the material around the
parts get damaged.
( Precaution when repairing ESD )
There is ESD which is easily damaged by
electrostatics.(for example Integrated circuit,
FET ) Electrostatic damage rate of product
will be reduced by the following technics
Before handling semiconductor
parts/assembly, must remove positive
electric by ground connection, or must wear
the antistatic wrist-belt and ring. ( It must be
operated after removing dust on it – It
comes under precaution of electric shock.)
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