Sharp LC-15L1US, Service Manual, Page: 26 / 150

26
LC-15L1U-S
3. Troubleshooting
»
1st step fault-finding flowchart for SS (wireless) module
NO
YES
No sound No picture
Teraterm screen (TX) L1 PAL TX Version 2C MPEG Version 05 Before MPEG CMD MPEG CMD OK Before MPEG Standby Cmd MPEG Standby Cmd OK Debug Monitor Special Version 1.1 Copyright 2001 SHARP CORPORATION. All Rights Reserved. $
—————
Syntax Error ERRO
R
$ idr
←
ID verified
00C00001 ok $ idw 00C00002
←
ID changed
ok $
No link?
•
TV receiv
er side screen sho
ws "signal could not be receiv
ed".
•
Wireless Center side reception sensitivity lamp is off
.
Deter
mine which is f
aulty
,
Wireless Center
(sender) or
TV receiv
er
.
Remote controller does not w
o
rk
.
Replace either one with a good module
, and chec
k if oper
ation is
nor
mal.
(*
T
o
do this
, y
ou need to match both IDs
. See belo
w
.)
Go to f
ault-finding flo
wchar
t
with nor
mal link.
Deter
mine which is f
aulty
,
Wireless Center
(sender) or
TV receiv
er
.
Replace either one with a good module
, and chec
k if link is
nor
mal.
(*
T
o
do this
, y
ou need to match both IDs
. See belo
w
.)
Go to f
ault-finding
flo
wchar
t with no link.
* How to check and change the ID
A
Chec
king
Using the ter
minal softw
are
, f
ollo
w the chec
k procedure
3
(page 39).
K
e
y in the command belo
w
, press Enter
, and the ID
can be chec
k
ed.
"idr"
B
Changing
1
K
e
y in the command belo
w in the same procedure as abo
v
e
,
and press Enter
.
"idw
._********"
K
e
y in the ID n
umber of the ne
wly installed good module
.
Chec
k the ID in step
A
abo
v
e
.
2
T
u
rn
off the po
w
er and the
k
e
y
ed-in ID will be wr
itten.
No
w
tur
n on the po
w
er again, and do the link or chec
k the
perf
or
mance
.