Panasonic TX-LR47E5 Service Manual ▷ View online
TX-LR47E5
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5.2.
SRV-TOOL
5.2.1.
How to access
1. Select [SRV-TOOL] in Service Mode.
2. Press [OK] button on the remote control.
2. Press [OK] button on the remote control.
5.2.2.
Display of SOS History
SOS History (Number of LED blinking ) indication.
From left side; Last SOS, before Last, three occurrence before, 2nd occurrence after shipment, 1st occurrence after shipment.
This indication except 2nd and 1st occurrence after shipment will be cleared by [Self-check indication and forced to factory
shipment setting].
From left side; Last SOS, before Last, three occurrence before, 2nd occurrence after shipment, 1st occurrence after shipment.
This indication except 2nd and 1st occurrence after shipment will be cleared by [Self-check indication and forced to factory
shipment setting].
5.2.3.
POWER ON TIME/COUNT
Note : To display TIME/COUNT menu, highlight position, then press MUTE for 3sec.
Time : Cumulative power on time, indicated hour : minute by decimal
Count : Number of ON times by decimal
Note : This indication will not be cleared by either of the self-checks or any other command.
Time : Cumulative power on time, indicated hour : minute by decimal
Count : Number of ON times by decimal
Note : This indication will not be cleared by either of the self-checks or any other command.
5.2.4.
Exit
1. Disconnect the AC cord from wall outlet.
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5.2.5.
Self Check Mode
1. Press the ‘MENU’ button (on the remote control) and the ‘VOL DOWN’ button on the LCD panel.
2. Press ON/OFF button on the panel to Exit.
2. Press ON/OFF button on the panel to Exit.
5.2.6.
Hotel Mode Adjustment
1. Press the ‘VOLUME DOWN’ button on the TV panel and simultaneously press the INPUT button on the remote control 3
times to enter Hotel Mode.
2. Set Hotel mode ‘on/off’, then press ‘EXIT’ to come out.
5.2.7.
Hotel Mode
1. Purpose
Restrict a function for hotels.
2. Access command to the Hotel mode setup menu.
In order to display the Hotel mode setup menu, please
enter the following command (within 2 second).
[TV] : Vol [Down] + [REMOTE] : INPUT (3 times).
enter the following command (within 2 second).
[TV] : Vol [Down] + [REMOTE] : INPUT (3 times).
Then, the Hotel mode setup menu is displayed.
3. To exit the Hotel mode setup menu
Disconnect AC power cord from wall outlet.
4. Explain the Hotel mode setup menu
Item
Function
Mode
Select hotel mode off/on
Input
Select input signal modes.
Set the input, when each time power is switched
on.
Selection :
-/RF/HDMI1/HDMI2/HDMI3/Component/
Video/PC
Set the input, when each time power is switched
on.
Selection :
-/RF/HDMI1/HDMI2/HDMI3/Component/
Video/PC
• Off: give priority to a last memory.
Channel
Select channel when input signal is RF.
Set the channel, each time power is switched
on.
Selection :
Any channel number or [-].
[-] means the channel when turns off.
Set the channel, each time power is switched
on.
Selection :
Any channel number or [-].
[-] means the channel when turns off.
Volume
Adjust the volume when each time power is
switched on.
Range :
0 to 100
switched on.
Range :
0 to 100
Vol. Max
Adjust maximum volume.
Range :
0 to 100
Range :
0 to 100
OSD Ctrl
Restrict the OSD.
Selection :
OFF/PATTERN1
Selection :
OFF/PATTERN1
• OFF: No restriction
• PATTERN1: restriction
• PATTERN1: restriction
FP Ctrl
Select front key conditions.
Selection :
OFF/PATTERN1/ALL
Selection :
OFF/PATTERN1/ALL
• OFF: altogether valid.
• PATTERN1: only input key is valid.
• ALL: altogether invalid.
• PATTERN1: only input key is valid.
• ALL: altogether invalid.
Pow Ctrl
Select POWER-ON/OFF condition when AC
power cord is disconnected and then connected.
OFF: The same condition when AC power
cord is disconnected.
ON: Forced power ON condition.
power cord is disconnected and then connected.
OFF: The same condition when AC power
cord is disconnected.
ON: Forced power ON condition.
TX-LR47E5
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6 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
6.1.
Check of the IIC bus lines
6.1.1.
How to access
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.
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.
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.
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.
6.1.2.
Exit
Disconnect the AC cord from wall outlet.
6.1.3.
Screen display
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6.2.
Power LED Blinking timing chart
1. Subject
Information of LED Flashing timing chart.
2. Contents
When an abnormality occurs, the protection circuit will operate and reset the unit to stand by mode. During this time, the
defective block can be identified by the number of blinking times of the Power LED on the front panel of the unit as follow:
defective block can be identified by the number of blinking times of the Power LED on the front panel of the unit as follow:
6.3.
No Power
First check point
There are following 2 states of No Power indication by power LED.
There are following 2 states of No Power indication by power LED.
1. No lit
2. Red is lit then turns red blinking a few seconds later. (See 6.2.)
2. Red is lit then turns red blinking a few seconds later. (See 6.2.)
Priority
Name
Factor
R_LED Blink
1
BL_SOS
SOS from PANEL inverter
1
2
POWER_SOS
SOS from POWER Curcuit
3
3
SOUND_SOS
SOS from audio AMP
9
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