Tuesday, February 03, 2015

PANASONIC TC-43G10 PLASMA TV SERVICE MODE AND POWER SUPPLY CIRCUIT



SERVICE MODE AND POWER SUPPLY CIRCUIT
SERVICE MODE

While pressing [VOLUME ( - )] button of the main unit, press [INFO] button of the remote control three times within 2 seconds.

EXIT SERVICE MODE

Switch off the power with the [POWER] button on the main unit or the [POWER] button on the remote control.

ACCESS SERVICE TOOLS

1. Select [SRV-TOOL] in Service Mode.
2. Press [OK] button on the remote control

DISPLAY 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].

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.

EXIT SERVICE TOOL MODE

1. Disconnect the AC cord from wall outlet.

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)

Then, the Hotel mode setup menu is displayed
3. To exit the Hotel mode setup menu Disconnect AC power cord from wall outlet.



POWER LED BLINKING CODE
Blinking times
Contents
Check point
1
Unknown SOS
Status SOS
-----
2
15V SOS
A Board
3
3.3v SOS
A Board
4
Power SOS
P Board
5
5V SOS
A Board
6
Drive SOS 1
SU Board
SD Board
SC Board
8
Drive SOS 3
SS Board
SS2 Board
9
Panel config SOS
A Board
10
Sub 5V SOS
Sub 3.3V SOS
Sub 9V SOS
Tuner Power SOS
A Board
SS Board
11
Fan SOS
A Board
Fan
12
Sound SOS
A Board
Speaker
14
Audio PWM SOS
A Board


QUICK ADJUSTMENT AFTER PCB REPALCEMENT

P.C.B.
Name
Test Point
Voltage
Volume

P Board
Vsus
TPVSUS (SS)
Vsus ± 2V
VR251 (P)

SC Board
Vad
TPVAD (SC)
- 195V ± 2V
VR16600 (SC)

SC Board




Vscn
TPVSCN (SC)
Vad_base : 148V ± 1V
GND_base : - 47V ± 3V
VR16841 (SC)

A Board
White balance and Sub brightness for NTSC, PAL, HD, PC and 625i signals



WHITE BALANCE ADJUSTMENT

Measuring instrument

1.THX pattern
2. Color analyzer (Minolta CA-100 or equivalent)

Connection
Component input or HDMI input or ATSC 1080i signal Panel surface

# Make sure the front panel to be used on the final set is fitted.
# Make sure a color signal is not being shown before adjustment.
# Put the color analyzer where there is little color variation.
1. Set the Picture menu to [cinema] and output the THX pattern.
2. Check that the color temperature is [Cool].
3. Set to serviceman mode, WB-ADJ.
4. Set [R-CUT] [G-CUT] [B-CUT] the values written in table 1.
5. Attach the sensor of color analyzer to the center of highlight window.
6. Fix G drive at C0h and adjust [B-DRV] and [R-DRV] so x, y value of color analyzer become the [Color temperature High] in table 2.
7. Increase RGB together so the maximum drive value in RGB becomes FC. That is, set [ALL DRIVE] to FC. Execute adjustment again. When that, the maximum value of R/G/B DRV should be FC, and either R/G/B DRV should be FC.
8. Set color temperature to [Normal].
9. Set [R-CUT] [G-CUT] [B-CUT] the values written in table 1.
10. Attach the sensor of color analyzer to the center of highlight window.
11. Fix G drive at C0h and adjust [B-DRV] and [R-DRV] so x, y value of color analyzer become the [Color temperature Mid] in table 2.
12. Increase RGB together so the maximum drive value in RGB becomes FC. That is, set [ALL DRIVE] to FC. Execute adjustment again. When that, the maximum value of R/G/B DRV should be FC, and either R/G/B DRV should be FC.
13. Set color temperature to [Warm].
14. Set [R-CUT] [G-CUT] [B-CUT] the values written in table 1.
15. Attach the sensor of color analyzer to the center of highlight window.
16. Fix G drive at C0h and adjust [B-DRV] and [R-DRV] so x, y value of color analyzer become the [Color temperature Low] in table 2.
17. Increase RGB together so the maximum drive value in RGB becomes FC. That is, set [ALL DRIVE] to FC. Execute adjustment again. When that, the maximum value of R/G/B DRV should be FC, and either R/G/B DRV should be FC.
18. Set color temperature to [Cool].

POWER SUPPLY CIRCUIT 
PART 1
CLICK ON THE IMAGE TO ZOOM IN

PART 2
CLICK ON THE IMAGE TO ZOOM IN