Panasonic TH-55LF80U / TH-55LF80W (serv.man2) Service Manual ▷ View online
INF-7
SECTION 1 SERVICE INFORMATION
<55LF80>
3. Service Mode
3. 1. How to display CAT mode
n
To display the CAT mode
1. Press the [OFF TIMER] button to select 30, 60, or 90, not 0min.
2. Set the volume level to "0" with the [VOL-] button.
3. Press and hold the [RECALL] button for more than 3 seconds. (This must be done while the volume display is on.)
The CAT mode will appear on the screen.
n
To exit the CAT mode
Turn off the Display with the main switch or remote control unit.
CAT Panel sys.8.2
IIC Mode
CD Mode
NW Mode
SD Mode
MS Mode
ID Mode
Mode
Function
IIC Mode
Setup and adjustment
CD Mode
Software, EEPROM version, Error history information display
NW Mode
Network information display
SD Mode
MTBF parameter (Used time, internal temperature) display
MS Mode
Destination setting
ID Mode
Self diagnosis status display
VOL -
RECALL
OFF TIMER
INF-8
SECTION 1 SERVICE INFORMATION
<55LF80>
3. 2. Settings and adjustments mode (IIC Mode)
1. Display the CAT mode (Refer to 3.1.).
2. The CAT mode menu appears on the screen. Select the [IIC Mode] menu with [pq] buttons and press the [ENTER] button
to enter the IIC mode.
3. Press the [pq] buttons to switch the sub mode.
4. Press the [tu] buttons to switch On or Off.
Sub mode
Function
Front panel
Key Check
Displays name of the control button when each
button on the control panel is pressed.
It can be checked for cable disconnection or
contact failure.
After checking for all the buttons on the control
panel, the "OK" will appear.
Burn In Mode
On/Off (Default: Off)
Sets up aging mode.
When no signal input, internal test patterns (Black,
White, Red, Green, Blue) will automatically be
displayed sequentially.
USB Upgrade
Detects USB memory installed
-USB Detected : USB memory is installed
-USB Removed : USB memory is removed
Press and hold the [ENTER] button while
indicating "USB Detected", the Main MCU
firmware upgrade dialogue window will appear on
the screen. (Refer to Section 3 for the details)
Panel Self Test
Internal test patterns (White, Red, Green,
Blue, Black) will automatically be displayed
sequentially.
CAT Panel sys.8.2
IIC Mode
CD Mode
NW Mode
SD Mode
MS Mode
ID Mode
INF-9
SECTION 1 SERVICE INFORMATION
<55LF80>
Sub mode
Function
Aging
Carry out aging by the specified color.
On/Off 01-08 (Default : Off 01)
Adjusts by [VOL(+/–)] button.
01 All white mode
02 All red mode
03 All green mode
04 All blue mode
05 All yellow mode
06 All magenta mode
07 All cyan mode
08 All black mode
* Disable the input selection and recall function
during the aging. This sub menu is not available
when the USB input is selected.
Backlight Adj
Factory use.
EDID
Operation
Checking and writing of EDID data for digital
inputs. (HDMI1, HDMI2, DIGITAL LINK, DVI-D)
DIGITAL LINK
Update
Factory use.
To exit the IIC mode
Press the [RETURN] button to return to the CAT mode menu
INF-10
SECTION 1 SERVICE INFORMATION
<55LF80>
3. 3. Software, EEPROM version and failure information (CD Mode)
• This model provides a power failure history function (5 histories) as PTCT information in the CD mode.
• On the self check for a signal system, only one history is displayed (it will disappear after self checking). The PTCT displays
up to 5 histories and they do not disappear even if the self check has been done. You can see the history of power failure
any time.
1. Display the CAT mode (Refer to 3.1.).
2. The CAT mode menu appears on the screen. Select the [CD Mode] menu with [pq] buttons and press the [MUTE] button
for more than 3 seconds to enter the CD mode.
For further information of PTCT failure code, refer to the item [4.2. Self check of power system].
To exit the CD mode
Press the [RETURN] button to return to the CAT mode menu
CAT Panel sys.8.2
IIC Mode
CD Mode
NW Mode
SD Mode
MS Mode
ID Mode
01. 04. 09. 0D. 04.
First failure
Second failure
3rd latest failure
2nd latest failure
Latest failure
Second failure
3rd latest failure
2nd latest failure
Latest failure
About PTCT information
Firmware version of Main MCU
EEPROM version Destination code
Firmware version of Sub MCU
Panel size
Firmware version of DIGITAL LINK
MAC address
Product serial number
PTCT failure history information
(Refer to the below.)
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