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MODELS: LT-55154 / LT-40164 / LT-46164 / LT-55164 / LT-46265 / LT-55265
Service Tip:
Many customer generated symptoms, intermittent symptoms or no symptom found can be resolved by using the various
Reset and Initialization options. Before visiting the customer’s home ask the customer 1st perform a System Reset by
pressing the <POWER> button on the front panel and holding it for 8 seconds. If this does not resolve the issue, they
can perform an A/V Reset by pressing the
<INPUT> + <VOL
e
>
buttons on the front panel at the same time and holding
for 10 seconds. Then, if necessary, perform a user level Initialization by pressing <MENU><1-2-3> <ENTER> with the
remote. The customer should be made aware when settings and/or options will be reset. For more information, see the
chart below.
Reset Name
When to use
How to use
Resulting Action
Remote Control
TV Layer Reset
Returns the remote control TV layer
to normal operation.
1)
2)
3)
Set the slide sw itch to
TV
position.
Press and hold the <
POWER>
button until it flashes
tw ice then release the button.
Enter the code <
0-0-9-3-5>
.
Once the valid code has
been entered and
confirmed, the remote
contrrol has been reset.
Remote Control
TV
Volume/Mute
functions
Returns the volume and mute
functions of the remote control to TV
volume and mute for TV, Cable/Sat,
VCR and DVD layers after the Audio
Lock for AV Receiver feature has
been used.
1)
2)
3)
Set the slide sw itch to
TV
position.
Press and hold the <
POWER>
button until it flashes
tw ice then release the button.
Enter the code <
9-9-3>< VOL
ٛ
>
.
The remote w ill now
operate the TV's volume
and mute w hen the slide
sw itch is in the TV,
CABLE/SAT, VCR or DVD
positions.
A/V Memory
Reset, by
individual input
When the audio or video
performance or settings for a single
input seem to be incorrect.
All Audio and Video
settings for the individual
input are reset except for
the
Listen To, Language,
Balance
and
Closed
Caption
settings.
A/V Reset, all
inputs
When the audio or video
performance or settings for more
than one input seem to incorrect.
All Audio and Video
settings are reset to the
factory default settings. No
other menu options are
changed.
System Reset
To reset the TV w hen it does not
turn on or off, does not respond to
the remote control, front panel
buttons or has other unusual
symptoms.
TV Micro Re-boots. Note:
The changes made during
the current TV-On period
may be lost. All other
previous user settings are
not lost.
Initialize User
Level
To reset all customer settings except
V-Chip
All customer menu options
and A/V settings except V-
Chip & locked ISF are reset
to factory default.
Initialize -
Service Level
To reset all customer settings
All customer menu options
and A/V settings are reset
to factory default.
V-Chip
Passw ord
Bypass
If V-Chip passw ord is not know n
Passw ord w ill be
bypassed. If in the V-Chip
menu, enter a new
passw ord.
Unlock Front
Panel
To unlock the front panel if it has
been locked in the V-Chip Menu.
Front Panel becomes
operational. Other V-Chip
settings not changed. Note:
Cannot be performed w hile
in the Low Pow er mode
and the set is Off.
<MENU><2-4-7-0>
. Highlight
INITIALIZE
and press
<
ENTER>
Press
<LAST>+<9>
at the same time.
Press and hold the front panel <ENTER
>
button for 8
seconds.
<MENU>
ٛ
Audio/Video
ٛ
AV Reset <ENTER>
While view ing the TV, press the front panel buttons
<INPUT> + <VOL
ٛ
>
at the same time and hold for 10
seconds.
Press the <
POWER>
button on the front panel and hold it
for 8 seconds.
Press
<MENU><1-2-3><ENTER>
RESET / INITIALIZATION
Содержание Unisen LT-40164
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Страница 51: ...Page 51 MODELS LT 55154 LT 40164 LT 46164 LT 55164 LT 46265 LT 55265 CIRCUIT BLOCK DIAGRAMS ...
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