Panasonic TH-55LF80U / TH-55LF80W (serv.man2) Service Manual ▷ View online
INF-11
SECTION 1 SERVICE INFORMATION
<55LF80>
3. 4. Market select setting mode (MS Mode)
n
After replacing the A module, this market select setting must be done following to the procedure below.
1. Display the CAT mode (Refer to 3.1.).
2. The CAT mode menu appears on the screen. Select the [MS Mode] menu with [pq] buttons and press the [MUTE] button
for more than 3 seconds to enter the MS mode.
3. Select desired destination number with [pq] buttons and press the [ENTER] button to set. The present destination number
will be changed to the same number of new destination number. At this moment, new destination number will be applied
and all the user setting value will be reset to the factory initial data according to the destination set.
4. The message "Please turn off the power" will appear and then turn the main switch off and on again. (Note 1)
5. The Display will turn on and then the "Display Language Selection" menu will be displayed on the screen. Select your lan-
guage with the [pq] buttons and press the [ENTER] button to set.
CAT Panel sys.8.2
IIC Mode
CD Mode
NW Mode
SD Mode
MS Mode
ID Mode
Market Select
01.00 31
0
MS
New destination number
Present destination number
Number Destination
0
Japan
1
North America
3
Europe, Asia, Oceania
18
China
31
For factory use
INF-12
SECTION 1 SERVICE INFORMATION
<55LF80>
3. 5. Network connection check mode (NW Mode)
1. Display the CAT mode (Refer to 3.1.).
2. The CAT mode menu appears on the screen. Select the [NW Mode] menu with [pq] buttons and press the [ENTER] button
to enter the NW mode.
3. Press the [ENTER] button to start the network connection check. The check result will be displayed in a few seconds.
To exit the NW 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
Displays the result of [TEST]
• OK
: There is a response of PING
• BSY
: On test executing
• G_NG
: No response of PING
• L_NG
: A LINK state is not established
Displays the signal quality of 4-route (A,B,C,D) at
DIGITAL LINK operation
• Min
: Minimum signal level
• Max
: Maximum signal level
Software version of Valens IC(RX)
Cable length (It is displayed only
when the LINK status is DIGITAL LINK.)
Model name of connected DIGITAL LINK apparatus
Displays the connection status
• No link
: No connection
• DIGITAL LINK : Operates as DIGITAL LINK
• Ethernet
: Operate as Ethernet
Displays HDMI ON/OFF, HDCP status
• No HDMI : Can not be recognized as a HDMI signal
• HDMI on : Not HDCP HDMI signal
• HDCP on : HDCP HDMI signal
INF-13
SECTION 1 SERVICE INFORMATION
<55LF80>
3. 6. Status display mode (SD Mode)
• In the SD mode, internal temperature, cumulated used time and cumulated power-on times can be checked.
1. Display the CAT mode (Refer to 3.1.).
2. The CAT mode menu appears on the screen. Select the [SD Mode] menu with [pq] buttons and press the [ENTER] button
to enter the SD mode.
To exit the SD mode
Press the [RETURN] button to return to the CAT mode.
CAT Panel sys.8.2
IIC Mode
CD Mode
NW Mode
SD Mode
MS Mode
ID Mode
•
Parameter
WT : Cumulated power-on times
PT : Cumulated used time (hour)
•
Condition : Internal temperature (ºC)
BL : Back Light setting value *
INF-14
SECTION 1 SERVICE INFORMATION
<55LF80>
4. Troubleshooting Guide
The failure symptom "Power off" or "No picture or No sound" is reported but it can not be confirmed in the service, use this
function to confirm the failure status and narrow down the failure circuit.
4. 1. Self check of signal system
1. Display the CAT mode (Refer to 3.1.).
2. The CAT mode menu appears on the screen. Select the [ID Mode] menu with [pq] buttons, and press and hold the
[MUTE] button until the ID mode menu appears. (It takes a few seconds to display it.)
To exit the ID mode
- Press the [RETURN] button to return to the CAT mode menu
- Turn the Display off with remote control or unit. (In case the Main MCU version is 1.00 or 1.01)
CAT Panel sys.8.2
IIC Mode
CD Mode
NW Mode
SD Mode
MS Mode
ID Mode
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Treatment action
Items
IIC Device
Symptom
Action
IIC1
H90MEM
Not memorized some settings below.
Items listed below in the SETUP menu.
(Display ID Setting/Timer Setting/Control Terminal Select)
Check or replace A module
H49HDMI-SW
Abnormality on the picture of Digital signal (HDMI, DVI1/DVI2,
DisplayPort, Digital Link)
IIC2
H62TEMP
High temperature is detected inside the display.
IIC3
H67DLK
Cannot receive signals through the LAN or DIGITAL LINK
IIC4
H51RTC
Not operate timer function
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