1-2. 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-
3
. I
m
port
a
nt Noti
c
e
1-3-1. 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 kin
g
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.
1-3-
2
. Be c
a
re
f
ul to the electric
a
l shock
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to r
a
in or excessive
m
oisture. This TV
m
ust not be exposed to drippin
g
or spl
a
shin
g
wa
ter,
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1-3-3. Electro st
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
electros st
a
tic disch
a
r
g
e (E
S
D).
1-3-4.
A
bout le
a
d
f
ree solder (PbF)
This product is
ma
nu
fa
ctured usin
g
le
a
d-
f
ree solder
a
s
a
p
a
rt o
f
a
m
ove
m
ent
w
ithin the
consu
m
er products industry
a
t l
a
r
g
e to be environ
m
ent
a
lly responsible. Le
a
d-
f
ree solder
m
ust be used in the servicin
g
a
nd rep
a
irin
g
o
f
this product.
8VHWKHJHQHZLQJSDUWVVSHFL¿HGSDUWV
S
peci
a
l p
a
rts
w
hich h
a
ve purposes o
f
f
ire ret
a
rd
a
nt (resistors), hi
g
h-qu
a
lity sound
(c
a
p
a
citors), lo
w
noise (resistors), etc.
a
re used.
When repl
a
cin
g
a
ny o
f
co
m
ponents, be sure to use only
ma
nu
fa
cture's speci
f
ied p
a
rts
sho
w
n in the p
a
rts list.
Saf
ety Co
m
ponent
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S
ervice M
a
nu
a
l
Model No.:
- 0
3
-
Содержание LET39Z18HF
Страница 3: ...Service Manual Model No 02 ...
Страница 15: ...4 Disassemble and assemble Service Manual Model No 14 Front Back ...
Страница 19: ...Service Manual Model No 18 4 7 Remove the 4 screws as below picture 4 8 Remove the PCB board as below picture ...
Страница 39: ...U n R e g i s t e r e d ...