Reset And Initialization - Mitsubishi Electric LT-52151 Service Manual

MODELS: LT-40151 / LT-46151 / LT-52151 / LT-40153 / LT-46153 / LT-52153 / LT-46249 / LT-52249
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 1
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
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.
NOTE: If the ISF (ADV) video settings have been calibrated, see the section Backup / Restore ISF Settings before
performing Reset and Initialization procedures.
Reset Name When to use
Remote Returns the remote control TV
Control TV layer to normal operation.
Layer Res et
Remote Returns the volume and mute
Control TV functions of the remote control to
Volume/Mute TV volume and mute for TV,
functions Cable/Sat, VCR and DVD layers
after the Audio Lock for AV
Receiver feature has been used.
A/V Memory When the audio and or video
Reset, by s ettings for a single input
individual s eems to be incorrect.
input
A/V Reset, all To reset audio and video
inputs adjustments for all inputs to the
original factory settings.
System To reset the TV when it does not
Reset turn on or off, does not respond
to the remote control, front panel
buttons or has other unusual
s ymptoms.
Initialize User To reset all customer settings
Level except V-Chip
Initialize - To reset all customer settings
Service Level
V-Chip If V-Chip password is not known
Password
Bypass
Unlock Front To unlock the front panel if it has
Panel been locked in the V-Chip Menu.
RESET / INITIALIZATION
<ACTIVITY> + <VOL
Reset / Initialization Guide
How to use
1) Set the s lide switch to TV
2) position.
2) Press and hold the <POWER> button until it
3) flashes twice then releas e the button.
3) Enter the code <0-0-9-3-5>.
1) (1) Set the device control to TV position.
2) (2) Press and hold the <POWER> button until it
2) flashes twice then releas e the button.
3) (3) Enter the code <9-9-3>< + >.
MENU --> Audio/Video--> AV Reset
While viewing the TV, press the front panel buttons
<ACTIVITY> + <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>
<MENU><2-4-7-0>. Highlight INITIALIZE and press
<ENTER>
Press < >+<9> at the same time.
Press and hold the front panel <ACTIVITY> button
for 8 seconds.
Page 20
st perform a System Reset by
> buttons on the front panel at the same time
Resulting Action
Once the valid code has
been entered and
confirmed, the remote
contrrol has been reset.
The remote will now
operate the TV's volume
and mute when the
slide s witch is in the TV,
CABLE/SAT, VCR or
DVD positions.
All Audio and Video
settings for the
individual input are
reset except for the
Listen To, Language,
Balance and Closed
Caption settings.
All Audio and Video
settings are reset to the
factory default settings.
No other menu options
are changed.
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.
All customer menu
options and A/V settings
except V-Chip are reset
to factory default.
All customer menu
options and A/V settings
are reset to factory
default.
Password will be
bypassed. If in the V-
Chip menu, enter a new
password.
Front Panel becomes
operational. Other V-
Chip settings not
changed. Note: Cannot
be performed while in
the Low Power mode
and the set is Off.