SHARP LC-32LE240M - LC-32LE340M SERVICE MODE AND POWER SUPPLY TROUBLE SHOOTING
SERVICE MODE AND AND TROUBLESHOOTING
ADJUSTMENT PROCEDURE
Entering and cancel
the service process mode
1) While holding down
the TV/VIDEO and Volume DOWN keys at the same time, plug in the AC cord to turn
on the power. (“K” standing for inspection process mode is displayed on the
upper left position of the screen.)
2) Press the Channel DOWN and Volume DOWN keys at the same time. (The adjustment process mode screen appears.)
3) To cancel it, turn off the power using the Power switch or remote control
2) Press the Channel DOWN and Volume DOWN keys at the same time. (The adjustment process mode screen appears.)
3) To cancel it, turn off the power using the Power switch or remote control
Key operations
CH ( UP ) CH ( /DOWN) Changing channel (UP/DOWN)
VOL (+ / –) VOL (+ / –) Changing volume (UP/DOWN)
Cursor ( UP/DOWN ) —————— Turning a page (PREVIOUS/NEXT)
Cursor (LEFT /RIGHT ) —————— Changing a selected line setting (+10/-10)
TV/VIDEO button on remote controller TV/VIDEO button--------- Input source switching (toggle switching) (TV-DAV-1/SAV-1 → AV-2 → COMPONENT → HDMI → PC)
ENTER TO ENTER Software upgrading
VOL (+ / –) VOL (+ / –) Changing volume (UP/DOWN)
Cursor ( UP/DOWN ) —————— Turning a page (PREVIOUS/NEXT)
Cursor (LEFT /RIGHT ) —————— Changing a selected line setting (+10/-10)
TV/VIDEO button on remote controller TV/VIDEO button--------- Input source switching (toggle switching) (TV-DAV-1/SAV-1 → AV-2 → COMPONENT → HDMI → PC)
ENTER TO ENTER Software upgrading
1) Plug off the LCD
TV.
2) Insert the USB device to the USB terminal at the LCD TV.
(Make sure that the latest software is installed in the USB device).
3) Hold the LCD TV power key and plug on the LCD TV.
4) LCD TV is on and detecting the USB device.
2) Insert the USB device to the USB terminal at the LCD TV.
(Make sure that the latest software is installed in the USB device).
3) Hold the LCD TV power key and plug on the LCD TV.
4) LCD TV is on and detecting the USB device.
5) A few seconds
later, the software upgrading will start automatically.
6) Let the process
running & entering verification.
7) Software is
successfully installed when the following appears at the end of the process.
8) Plug off the LCD
TV and plug ON again as usual.9) LCD TV is running with the latest software.
Public Mode
There are the
following ways to quit the public mode setup screen.
# Turn off “PUBLIC MODE” in the adjustment process mode. (*) ← This way alone is not for quitting the setup screen, but for quitting the mode by
itself.
# Turn off the power with the “POWER” key. ( * )
# Select “EXECUTE”.( * )
# Turn off “PUBLIC MODE” in the adjustment process mode. (*) ← This way alone is not for quitting the setup screen, but for quitting the mode by
itself.
# Turn off the power with the “POWER” key. ( * )
# Select “EXECUTE”.( * )
No power (front LED failure to light up) or no startup (front
LED failure to turn from red to green)
|
||
Are the wire harnesses and other
cables properly connected in
the set? |
NO
|
Reconnect the wire harnesses and
other cables properly in the
set. |
YES
|
||
Is there the AC_CTRL and PNL_POWER
signal input at pins
(126) and (127) of IC3301? |
NO
|
Check the AC_CTRL signal line
PNL_POWER signal line.
|
YES
|
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Are the DC/DC converter outputs
and the output voltages along
the control lines as specified? |
NO
|
Check the DC/DC converters and the
control lines. Replace
defective parts as required. |
1) M+5.6V (IC9603)
2) D+1.26V (IC9605) 3) D+5V (IC9610) 4) T+5V (IC9612) 5) D+3.3V (IC9608) 6) D+1.8V (IC9609) 7) D+2.5V (IC9611) | ||
