Sharp LC-32DH77E Handy Guide ▷ View online
Pin Assignments
Version 1.1
Issue 09/2009
10
SHARP ELECTRONICS (UK) LTD
CE TECHNICAL SUPPORT
TECHNICAL SERVICES GROUP
RS-232C Terminal: 9-pin D-sub male connector of the DIN-D-sub RS-232C adapter
Pin No.
Signal
Name
I/O
Reference
1
CD
Not connected
2
RD
Receive Data
Input
Connected to internal circuit
3
SD
Send Data
Output
Connected to internal circuit
4
ER
Not connected
5
SG
Signal Ground
Connected to internal circuit
6
Not connected
7
Not connected
8
Not connected
9
CI
Not connected
RS-232C Cable recommended connection: 9-pin D-sub female connector
Note
Depending on the controlling device used, it may be necessary to connect Pin 4 and Pin 6
on the controlling device (e.g. PC).
on the controlling device (e.g. PC).
Maintenance Procedure
Version 1.1
Issue 09/2009
11
SHARP ELECTRONICS (UK) LTD
CE TECHNICAL SUPPORT
TECHNICAL SERVICES GROUP
Cleaning the LCD
Ensure you unplug the power cord before cleaning the LCD.
The cabinet as well as the operation panel is made of plastic. Avoid
using benzene or thinner, as these can damage the finish on the
cabinet.
using benzene or thinner, as these can damage the finish on the
cabinet.
Do not use volatile agents such as insecticides on the LCD. Do not
attach rubber or plastic items on the LCD for long periods of time.
The effects of some of the agents in the plastic may cause damage
to the quality or finish of the LCD.
attach rubber or plastic items on the LCD for long periods of time.
The effects of some of the agents in the plastic may cause damage
to the quality or finish of the LCD.
Wipe off dirt gently with a soft flannel cloth.
When the dirt is hard to remove, soak a cloth in a neutral detergent
diluted with water, wring the cloth well and then wipe the LCD.
Strong cleaning detergents may discolour, warp or damage the coating on the LCD.
Ensure you test on a small, inconspicuous area on the LCD before using.
diluted with water, wring the cloth well and then wipe the LCD.
Strong cleaning detergents may discolour, warp or damage the coating on the LCD.
Ensure you test on a small, inconspicuous area on the LCD before using.
Cleaning the exhaust and intake vents
Use a vacuum cleaner to clean dust from the exhaust vent and the intake vent.
Firmware Upgrade Procedure
Version 1.1
Issue 09/2009
12
SHARP ELECTRONICS (UK) LTD
CE TECHNICAL SUPPORT
TECHNICAL SERVICES GROUP
Firmware Upgrade Procedure
Part Number
Description
Price Rank
Commercially Available
USB Pen Drive 32MB - 1GB
N/A
1. Turn off the AC power (Unplug the AC power cord).
2. Insert the upgrading USB flash memory for upgrade into the service slot.
3. While holding down the power button, plug in the AC power cord of the main unit to
2. Insert the upgrading USB flash memory for upgrade into the service slot.
3. While holding down the power button, plug in the AC power cord of the main unit to
turn on the power.
4. Upgrade begins automatically.
After the set starts, the upgrade screen like the figure below is displayed.
5. If any of the procedures fails, the following upgrade failure screen shows up. For the
failing procedure, the “NG” marking turns red.
NOTE: In such case, try to upgrade the software again. If it still fails, the
hardware may be in trouble.
hardware may be in trouble.
Firmware Upgrade Procedure
Version 1.1
Issue 09/2009
13
SHARP ELECTRONICS (UK) LTD
CE TECHNICAL SUPPORT
TECHNICAL SERVICES GROUP
6. When all the procedures are complete, the following upgrade success screen shows
up. The new software version can be confirmed on screen.
The version number appears when each item has been successfully upgraded. Finally
the main version number appears on screen.
The version number appears when each item has been successfully upgraded. Finally
the main version number appears on screen.
7. Turn off the AC power (Unplug the AC power cord). Take out the upgrading USB flash
memory.
It waits for about 20 seconds until the AC power supply is turned off.
It waits for about 20 seconds until the AC power supply is turned off.
8. Now the software has been upgraded.
NOTE: Then get the set started and call the process adjustment screen 1/16 to
check the main software version.
check the main software version.
CAUTION:
1) Do not take out and put in the USB flash memory during formatting.
2) It takes about one minute to the rewriting completion.
Please confirm the upgrade status on the screen becomes 100%.
3) The AC power supply of the set is waited for about 20 seconds until off (The
AC outlet is pulled out) after the upgrade is completed.
1) Do not take out and put in the USB flash memory during formatting.
2) It takes about one minute to the rewriting completion.
Please confirm the upgrade status on the screen becomes 100%.
3) The AC power supply of the set is waited for about 20 seconds until off (The
AC outlet is pulled out) after the upgrade is completed.
Click on the first or last page to see other LC-32DH77E service manuals if exist.