4
Ch
a
pter 1.Gener
a
l Inform
a
tion
1
-1. Gener
a
l Guidelines
When servicin
g
, observe the ori
g
in
a
l le
a
d dress. I
f
a
short circuit is
f
ound, repl
a
ce
a
ll p
a
rts
w
hich
h
a
ve been overhe
a
ted or d
amag
ed by the short circuit.
Af
ter servicin
g
, see to it th
a
t
a
ll the protective devices such
a
s insul
a
tion b
a
rriers, insul
a
tion p
a
pers
shields
a
re properly inst
a
lled.
Af
ter servicin
g
,
ma
ke the
f
ollo
w
in
g
le
a
k
ag
e current checks to prevent the custo
m
er
f
ro
m
bein
g
exposed to shock h
aza
rds.
1) Le
a
k
ag
e Current Cold Check
2
) Le
a
k
ag
e Current Hot Check
3) Prevention o
f
Electro
S
t
a
tic Disch
a
r
g
e (E
S
D) to Electrost
a
tic
a
lly
S
ensitive
1-2. Import
a
nt Notice
1-2-1. Follo
w
the re
g
ul
a
tions
a
nd
wa
rnin
g
s
Most i
m
port
a
nt thin
g
is to list up the potenti
a
l h
aza
rd or risk
f
or the service personnel to open
the units
a
nd dis
a
sse
m
ble the units. For ex
am
ple,
w
e need to describe properly ho
w
to
a
void the
possibility to
g
et electric
a
l shock
f
ro
m
the live po
w
er supply or ch
a
r
g
ed electric
a
l p
a
rts (even the
po
w
er is o
ff
).
This sy
m
bol indic
a
tes th
a
t hi
g
h volt
ag
e is present inside.It is d
a
n
g
erous to
ma
ke
a
ny
kind o
f
cont
a
ct
w
ith
a
ny inside p
a
rt o
f
this product.
This sy
m
bol indic
a
tes th
a
t there
a
re i
m
port
a
nt oper
a
tin
g
a
nd
ma
inten
a
nce instructions
in the literture
a
cco
m
p
a
nyin
g
the
a
ppli
a
nce.
1-2-
2
. Be c
a
re
f
ul to the electric
a
l shock
To prevent d
amag
e
w
hich
m
i
g
ht result in electric shock or
f
ire, do not expose this T
V
set to
r
a
in or excessive
m
oisture. This T
V
m
ust not be exposed to drippin
g
or spl
a
shin
g
wa
ter,
a
nd
ob
j
ects fi lled
w
ith liquid, such
a
s v
a
ses,
m
ust not be pl
a
ced on top o
f
or
a
bove the T
V
.
1-2-3. Electrost
a
tic disch
a
r
g
e (E
S
D)
S
o
m
e se
m
iconductor (solid st
a
te) devices c
a
n be d
amag
ed e
a
sily by st
a
tic electricity.
S
uch co
m
ponents co
mm
only
a
re c
a
lled Electrost
a
tic
a
lly
S
ensitive (E
S
) Devices. The
f
ollo
w
in
g
techniques should be used to help reduce the incidence o
f
co
m
ponent d
amag
e c
a
used by
electrost
a
tic disch
a
r
g
e (E
S
D).
S
ervice M
a
nu
a
l
HBTV-55D02FD
