LC-15L1E (serv.man8). (8) Troubleshooting table - Sharp TV Service Manual (repair manual). Page 7

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24
LC-15L1E
3. Troubleshooting
»
 1st step fault-finding flowchart for SS (wireless) module
NO
* How to check or change ID
»
 Checking ID
In the step (3) of the checkup procedure with terminal software 
(p.39), enter the following command and press Enter to check ID.
"idr"
»
 Changing ID
(1)
Using the same procedure as above, enter the following 
command and press Enter.
"idw-**"
Enter a new ID (8 digits) in place of **.
(2)
Turn the power off and then on again.
YES
No sound
No picture
Teraterm screen (TX)
L1 TX Version 61
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
00900017
ok
$ 00900018    
 ←
ID changed
ok idw
$
No link?
 TV receiv
er side screen sho
ws "No r
adio w
a
v
e
 reception".
 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
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.
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