Tuesday, September 08, 2015

PANASONIC TC-P50G10 LED BLINKING CODE SERVICE MODE AND POWER SUPPLY CIRCUIT

PANASONIC TC-P50G10 


LED BLINKING CODE SERVICE MODE AND POWER SUPPLY CIRCUIT 

LED  ON THE FROND OF THE TV BLINKING  
WHAT ITS MEAN BY BLINKING
When there is any fault in the TV,its protection circuit detects it and reset the TV and  it will go to standby mode. At this time the power led will blink showing which part of the unit is faulty.
And you can identify the part by counting how many times the led blinks. 
LED BLINKING CODE TABLE 

Service Mode
How to enter into Service Mode
While pressing and holding VOLUME ( - ) button of the TV, press INFO button on the remote control three times .Do it with in Within 2 seconds.
Using the key for different commands  
Key 1 on the remote is used as Main Selection in forward direction
Key 2 on the remote is used as Main Selection in reverse directionKey 3 on the remote is used as Sub Selection in forward directionKey 4 on the remote is used as Sub Selection in reverse direction
VOL key 
on the remote is used as to change the Value of sub items to increase or decrees 
How to exit from service mode 
Power off the unit using the remote or using the key on the frond panel.
How to enter to service tool mode 
How to enter in to service tool 
1. USE SRV-TOOL in Service menu .
2. Press ENTER (OK) key on the remote control.
About SOS History
History of SOS  LED flashing indication.
Staring form From left side; Last SOS, before Last, three occurrence before, 2nd occurrence after shipment, 1st occurrence after shipment.
This notifies, except 2nd and 1st occurrence after shipment will be cleared by Self-check indication and forced to factory shipment setting.
ABOUT POWER ON TIME or COUNT
Note : To view TIME or COUNT display , highlight position, then press MUTE for 3sec.
Time : Cumulative power on time, indicated hour : minute by decimal
Count : Number of ON times in decimal
Note : This indication will not be cleared by  self-checks or any other command.
Exit
1. Disconnect the AC cord from wall outlet.
Hotel mode of the TV
1. Usage 
To restrict unauthorized menu stetting 
2. To access to hotel mode of the do the flowing with in 2 seconds .

 Press TV  : and then together Vol. Down and  Vol. Down on REMOTE  the press  INPUT. Do the same 3 times to enter in to hotel mode 
3. To exit the Hotel mode setup menu
Disconnect AC power cord from wall outlet.
Troubleshooting Guide
Use the self-check function to test the unit.
1. Checking the IIC bus lines
2. Power LED Blinking timing
Checking the IIC bus lines
How to get in to IIC bus 
For Self-check notification only:
PUT the TV in to reception screen, and while pressing  and hold VOLUME ( - ) key  on the main unit, press ENTER (OK)  key  on the remote latest 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.
How to exit Exit IIC mode 

Remove the AC cord from Wall socket 
Voltage Adjustments and test points 
Check the plasma panel data after checking the making on the panel label
using multi meter adjust the following voltages 

VOLTAGE REFERENCE TABLE 
Name
Test Point
Voltage
Volume
Vsus
TPVSUS (SS)
Vsus ± 2V
VR251 (P)
Ve
TPVE (SS)
Ve ± 2.5V
Fixed
Vset
TPVSET (SC)
290V ± 9V
Fixed
Vad
TPVAD (SC)
- 185V ± 2V
VR16600 (SC)

Vscn


TPVSCN (SC)

Vad_base : 145V ± 4V
GND_base : - 40V ± 6V

Fixed

Vda
TP9 (P)
60V + 1V, - 2V
Fixed

Adjusting the White balance of the TV
A.Frond panel of the TV should be it position,  if you have removed it  before staring. 
B.there should be no color signal being shown before the adjustment.
C.place the  color analyzer where there is little color mismatch .
1. Select  Picture menu to CINEMA mode bring the tv to THX patter as shown in fig .

2. Check that the color temperature and select COOL mode .
3. select  WB-ADJ in service menu 
4. Set Red-CUT, Green-CUT and  Blue-CUT.
5. Place the sensor of color analyzer to the center of highlight window.
6. Set Green drive at C0h and very  Blue-DRV and Red-DRV as  x, y value of color analyzer
7. Increase the  Red Green and Blue together so the maximum drive value in Red Green and Blue would be  FC. That measn , set ALL DRIVES till reach to  FC. Do the  adjustment again. When that, the maximum value of Red Green and Blue DRVs should be FC, and either Red Green and Blue DRVs should be FC.
8. Select color temperature and set it to NORMAL mode .
9. Set Red-CUT, Green-CUT and  Bblue-CUT
10. Place
 the sensor of color analyzer to the center of highlight window.
11. Fix Green drive at C0h and adjust Bule -DRV and Red-DRV as  x, y value of color analyzer
12. Increase Red Green and Blue together so the maximum drive value in Red Green and Blue becomes FC. That is, set ALL DRIVEs to FC. Execute adjustment again. When that, the maximum value of Red,Green and Blue DRVs should be FC, and either Red,Green and Blue DRVs should be FC.
13. 
Select color temperature and set it to WARM mode .
14. 
Set Red-CUT, Green-CUT and  Blue-CUT.
15. Place the sensor of color analyzer to the center of highlight window.
16. Adjust Green  drive at C0h and adjust Bule-DRV and Red-DRV so x, y value of color analyzer
17. Increase Red Green and Blue together so the maximum drive value in Red Green and Blue becomes FC. That is, set ALL DRIVEs to FC. Execute adjustment again. When that, the maximum value of Red,Green,Blue DRVs should be FC, and either Red,Green,Blue DRVs should be FC.
18. 
Select color temperature and set it to COOL mode .
POWER SUPPLY CIRCUIT 
CLICK ON THE IMAGE TO ZOOM IN



LCD - LED – PLASMA AND CRT

LCD - LED – PLASMA AND CRT


LCD - LED – PLASMA AND CRT


LCD - LED – PLASMA AND CRT


LCD - LED – PLASMA AND CRT


LCD - LED – PLASMA AND CRT


LCD - LED – PLASMA AND CRT


LCD - LED – PLASMA AND CRT


LCD - LED – PLASMA AND CRT


LCD - LED – PLASMA AND CRT


LCD - LED – PLASMA AND CRT


LCD - LED – PLASMA AND CRT


LCD - LED – PLASMA AND CRT


LCD - LED – PLASMA AND CRT


LCD - LED – PLASMA AND CRT


LCD - LED – PLASMA AND CRT


LCD - LED – PLASMA AND CRT


LCD - LED – PLASMA AND CRT


LCD - LED – PLASMA AND CRT


LCD - LED – PLASMA AND CRT



LCD - LED – PLASMA AND CRT


LCD - LED – PLASMA AND CRT


LCD - LED – PLASMA AND CRT



LCD - LED – PLASMA AND CRT



LCD - LED – PLASMA AND CRT



LCD - LED – PLASMA AND CRT




LCD - LED – PLASMA AND CRT


LCD - LED – PLASMA AND CRT




LCD - LED – PLASMA AND CRT




LCD - LED – PLASMA AND CRT