Panasonic TX-P50X60E / TX-PR50X60 Service Manual ▷ View online
17
6.6.4.
Data copy from USB Memory to TV set
1. Turn on the TV set.
2. Insert USB Memory with Data to USB terminal.
2. Insert USB Memory with Data to USB terminal.
On-screen Display will be appeared according to the Data folder automatically.
3. Input a following password for (a) or (b) by using remote control.
(a) For Board replacement : 2771
(b) For Hotel : 4851
(b) For Hotel : 4851
Data will be copied from USB Memory to TV set.
4. After the completion of copying to USB Memory, remove USB Memory from TV set.
(a) For Board replacement : Data will be deleted after copying (Limited one copy).
(b) For Hotel : Data will not be deleted and can be used for other TVs.
(b) For Hotel : Data will not be deleted and can be used for other TVs.
5. Turn off the TV set.
Note:
1. Depending on the failure of boards, function of Data copy for board replacement does not work.
2. This function can be effective among the same model numbers.
2. This function can be effective among the same model numbers.
18
7 Troubleshooting Guide
Use the self-check function to test the unit.
1. Checking the IIC bus lines
2. Power LED Blinking timing
2. Power LED Blinking timing
7.1.
Check of the IIC bus lines
7.1.1.
How to access
7.1.1.1.
Self-check indication only:
Produce TV reception screen, and while pressing [VOLUME ( - )] button on the main unit, press [OK] button on the remote control
for more than 3 seconds.
for more than 3 seconds.
7.1.1.2.
Self-check indication and forced to factory shipment setting:
Produce TV reception screen, and while pressing [VOLUME ( - )] button on the main unit, press [MENU] button on the remote
control for more than 3 seconds.
control for more than 3 seconds.
7.1.2.
Screen display
7.1.3.
Check Point
Confirm the following parts if NG was displayed.
7.1.4.
Exit
Disconnect the AC cord from wall outlet or press the [POWER] button on the main unit for 3 seconds to turn off and then turn on
automatically.
automatically.
DISPLAY
Check Ref. No.
Description
Check Point
H14TUN
TU6705
TUNER
A-BOARD
H90STBY
IC8000
PEAKS-sLD8(STM)
A-BOARD
H91MEM2
IC8900
NAND FLASH
A-BOARD
H38PD5
IC9300
PD5L
A-BOARD
H07TEMP
IC2001
TEMP SENSOR
A-BOARD
H96ID
ID
A-BOARD
19
7.2.
Power LED Blinking timing chart
1. Subject
Information of LED Flashing timing chart.
2. Contents
When an abnormality has occurred the unit, the protection circuit operates and reset to the stand by mode. At this time, the
defective block can be identified by the number of blinks of the Power LED on the front panel of the unit.
defective block can be identified by the number of blinks of the Power LED on the front panel of the unit.
Blinking Times
Contents
Check point
1
Panel information SOS
PD Start SOS
PD Start SOS
-
2
P15V SOS
A-Board
PSS-Board
6
Driver SOS1
(SN/PSS Energy recovery circuit)
(A-SN FPC DET)
(SN/PSS Energy recovery circuit)
(A-SN FPC DET)
SN-Board
PSS-Board
A-SN FPC
7
Driver SOS2
(SN Connector DET)
(SN Scan and Logic IC)
(SN Connector DET)
(SN Scan and Logic IC)
SN-Board
8
Driver SOS3
(PSS FPC DET)
(PSS FPC DET)
PSS-Board
PSS FPC
9
Discharge Control SOS
A-Board
10
Sub 3.3V SOS
Tuner power SOS
Tuner power SOS
A-Board
SN-Board
PSS-Board
12
Sound SOS
A-Board
Speaker
Speaker
13
Emergency SOS
A-Board
20
7.3.
No Power
First check point
There are following 3 states of No Power indication by power LED.
There are following 3 states of No Power indication by power LED.
1. No lit
2. Green is lit then turns red blinking a few seconds later. (See Power LED Blinking timing chart)
3. Only red is lit.
2. Green is lit then turns red blinking a few seconds later. (See Power LED Blinking timing chart)
3. Only red is lit.
7.4.
No Picture
7.4.1.
Drive circuits LED indicator
Check that the following LED on the SN-Board.
Power recovery LED
LED for check
SN
D16583
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