TH-55VF1HU, TH-55VF1HW (serv.man2) - Panasonic TV Service Manual (repair manual). Page 18

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INF-10
SECTION 1 SERVICE INFORMATION
<55VF1H>
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
About PTCT information
MONITOR-MCU 
1.0000VF1H   0
MONITOR-EEPROM 
01.00   3
  EEPROM Change Addr 
00 
00
  
Data FF  FF
MONITOR-SUB MCU 
01.00
MONITOR-PANEL 55
DL-R 31.23.300C
DL-T 31.23.310C
MAC ADDRESS 
A8:13:74:60:D0:56
SERIAL No. 
AB1234567
PTCT 
01. 04. 09. 0D. 04.
CD
Firmware version of Main MCU
EEPROM version    Destination code
Firmware version of Sub MCU
Panel size
Firmware version of 
DIGITAL LINK (Valens RX)
Firmware version of 
DIGITAL LINK (Valens TX)
MAC address
Product serial number
PTCT failure history information
 ( Refer to the below )
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