HT-SL50
– i –
PRECAUTION
S
FOR U
S
ING LEAD-FREE
S
OLDER
1. Employin
g
lead-free
s
older
Ex
a
mple:
Indic
a
te
s
le
a
d-free
s
older of tin,
s
ilver
a
nd copper.
Le
a
d-free wire
s
older for
s
ervicing
Ref No.
De
s
cription
Part
s
No.
"MAIN,
S
MP
S
, HDMI PWB" of thi
s
model employ
s
le
a
d-free
s
older. The LF
s
ym
b
ol indic
a
te
s
le
a
d-free
s
older,
a
nd
i
s
a
tt
a
ched on the PWB
a
nd
s
er vice m
a
n
ua
l
s
. The
a
lph
ab
etic
a
l ch
a
r
a
cter following LF
s
how
s
the type of
le
a
d-free
s
older.
2. U
s
in
g
lead-free wire
s
older
When fixing the PWB
s
oldered with the le
a
d-free
s
older,
a
pply le
a
d-free wire
s
older. Rep
a
iring with convention
a
l
le
a
d wire
s
older m
a
y c
aus
e d
a
m
a
ge or
a
ccident d
u
e to cr
a
ck
s
.
A
s
the melting point of le
a
d-free
s
older (
S
n-Ag-C
u
) i
s
higher th
a
n the le
a
d wire
s
older
b
y 40°C, we recommend
yo
u
to
us
e
a
dedic
a
ted
s
oldering
b
it, if yo
u
a
re not f
a
mili
a
r with how to o
b
t
a
in le
a
d-free wire
s
older or
s
oldering
b
it, cont
a
ct o
u
r
s
ervice
s
t
a
tion or
s
ervice
b
r
a
nch in yo
u
r
a
re
a
.
3
.
S
olderin
g
A
s
the melting point of le
a
d-free
s
older (
S
n-Ag-C
u
) i
s
ab
o
u
t 220°C which i
s
higher th
a
n the convention
a
l le
a
d
s
older
b
y 40°C,
a
nd
as
it h
as
poor
s
older wet
ab
ility, yo
u
m
a
y
b
e
a
pt to keep the
s
oldering
b
it in cont
a
ct with the
PWB for extended period of time. However,
s
ince the l
a
nd m
a
y
b
e peeled of for the m
a
xim
u
m he
a
t-re
s
i
s
t
a
nce
temper
a
t
u
re of p
a
r t
s
m
a
y
b
e exceeded, remove the
b
it from the PWB
as
s
oon
as
yo
u
confir m the
s
te
a
dy
s
oldering condition.
Le
a
d-free
s
older cont
a
in
s
more tin,
a
nd the end of the
s
oldering
b
it m
a
y
b
e e
as
ily corrected. M
a
ke
su
re to t
u
rn
on
a
nd off the power of the
b
it
as
req
u
ired. If
a
different type of
s
older
s
t
a
y
s
on the tip of the
s
oldering
b
it, it i
s
a
lloyed with le
a
d-free
s
older. Cle
a
n the
b
it
a
fter every
us
e of it.
When the tip of the
s
oldering
b
it i
s
b
l
a
ckened d
u
ring
us
e, file it with
s
teel wool or fine
sa
nd p
a
per.
Be c
a
ref
u
l when repl
a
cing p
a
rt
s
with pol
a
rity indic
a
tion on the PWB
s
ilk.
PWB-A 92LPWB
8
1
3
2MAN
S
MAIN
PWB-B RUiTZA041AWZZ
S
MP
S
PWB-C 92LPWB
8
1
3
1HDM
S
HDMI
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