VSX-LX50
3
5
6
7
8
5
6
7
8
C
D
F
A
B
E
[
I
mportant Check Points
f
or Good Servicing]
I
n this manual, procedures that must be per
f
ormed during repairs are marked
w
ith the belo
w
symbol.
Please be sure to con
f
irm and
f
ollo
w
these procedures.
1. Product sa
f
ety
Please con
f
orm to product regulations
(
such as sa
f
ety and radiation regulations
)
, and maintain a sa
f
e servicing environment by
f
ollo
w
ing the sa
f
ety instructions described in this manual.
Use speci
f
ied parts
f
or repair.
Use genuine parts. Be sure to use important parts
f
or sa
f
ety.
D
o not per
f
orm modi
f
ications
w
ithout proper instructions.
Please
f
ollo
w
the speci
f
ied sa
f
ety methods
w
hen modi
f
ication
(
addition
/
change o
f
parts
)
is re
q
uired due to inter
f
erences such as
radio
/
T
V
inter
f
erence and
f
oreign noise.
Make sure the soldering o
f
repaired locations is properly per
f
ormed.
When you solder
w
hile repairing, please be sure that there are no cold solder and other debris.
Soldering should be
f
inished
w
ith the proper
q
uantity.
(
Re
f
er to the example
)
Make sure the scre
w
s are tightly
f
astened.
Please be sure that all scre
w
s are
f
astened, and that there are no loose scre
w
s.
Make sure each connectors are correctly inserted.
Please be sure that all connectors are inserted, and that there are no imper
f
ect insertion.
Make sure the
w
iring cables are set to their original state.
Please replace the
w
iring and cables to the original state a
f
ter repairs.
I
n addition, be sure that there are no pinched
w
ires, etc.
Make sure scre
w
s and soldering scraps do not remain inside the product.
Please check that neither solder debris nor scre
w
s remain inside the product.
There should be no semi-broken
w
ires, scratches, melting, etc. on the coating o
f
the po
w
er cord.
D
amaged po
w
er cords may lead to
f
ire accidents, so please be sure that there are no damages.
If
you
f
ind a damaged po
w
er cord, please exchange it
w
ith a suitable one.
There should be no spark traces or similar marks on the po
w
er plug.
When spark traces or similar marks are
f
ound on the po
w
er supply plug, please check the connection and advise on secure
connections and suitable usage. Please exchange the po
w
er cord i
f
necessary.
Sa
f
e environment should be secured during servicing.
When you per
f
orm repairs, please pay attention to static electricity,
f
urniture, household articles, etc. in order to prevent injuries.
Please pay attention to your surroundings and repair sa
f
ely.
2. Adjustments
To keep the original per
f
ormance o
f
the products, optimum adjustments and con
f
irmation o
f
characteristics
w
ithin speci
f
ication.
Adjustments should be per
f
ormed in accordance
w
ith the procedures
/
instructions described in this manual.
4. Cleaning
F
or parts that re
q
uire cleaning, such as optical pickups, tape deck heads, lenses and mirrors used in projection monitors, proper
cleaning should be per
f
ormed to restore their per
f
ormances.
3. Lubricants, Glues, and Replacement parts
Use grease and adhesives that are e
q
ual to the speci
f
ied substance.
Make sure the proper amount is applied.
5. Shipping mode and Shipping scre
w
s
To protect products
f
rom damages or
f
ailures during transit, the shipping mode should be set or the shipping scre
w
s should be
installed be
f
ore shipment. Please be sure to
f
ollo
w
this method especially i
f
it is speci
f
ied in this manual.
