PANASONIC TX-32LX70P - TX-26LX70F
Self
Check
Self-check is used to automatically check the bus lines and hexadecimal code of the TV set. To enter Self-Check mode, keep pressing the STATUS button on the remote control and press the down (-/v) button on the TV set. To exit Self Check, switch off the TV set at the power button.
Self-check is used to automatically check the bus lines and hexadecimal code of the TV set. To enter Self-Check mode, keep pressing the STATUS button on the remote control and press the down (-/v) button on the TV set. To exit Self Check, switch off the TV set at the power button.
Power
LED blinking
When 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 number of blinking of the Power LED on the front panel of the unit.
When 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 number of blinking of the Power LED on the front panel of the unit.
Blinking times
|
Contents
|
Check point
|
1
|
Inverter
SOS
|
POWER
UNIT
LCD PANEL |
3
|
BT_30V,
SOUND 18V,
PANEL 12V |
AP
BOARD, H BOARD
|
4
|
SUB
9V
|
AP
BOARD, H BOARD
DG BOARD |
5
|
SUB
5V
|
AP
BOARD, H BOARD
DG BOARD |
6
|
MAIN
9V
|
AP
BOARD, DG BOARD
|
8
|
MAIN
3,3V
|
AP
BOARD, H BOARD
DG BOARD |
Service
Mode Function
MPU controls the functions switching for each IICs through IIC bus in this chassis. The following setting and adjustment can be adjusted by remote control in Service Menu
How to enter SERVICE 1
In main menu, move to choose sound menu, set BASS to MAXIMUM, and set TREBLE to MINIMUM. Simultaneously press INDEX button on remote control and DOWN button (-/v) on the TV set.
How to enter SERVICE 2
Enter the SERVICE 1 mode.
Press the GREEN button to step down to the last menu position.
Set the program position to 99.
Press HOLD button on remote control.
Note:
To exit from Service mode, press N or Power button on remote control.
MPU controls the functions switching for each IICs through IIC bus in this chassis. The following setting and adjustment can be adjusted by remote control in Service Menu
How to enter SERVICE 1
In main menu, move to choose sound menu, set BASS to MAXIMUM, and set TREBLE to MINIMUM. Simultaneously press INDEX button on remote control and DOWN button (-/v) on the TV set.
How to enter SERVICE 2
Enter the SERVICE 1 mode.
Press the GREEN button to step down to the last menu position.
Set the program position to 99.
Press HOLD button on remote control.
Note:
To exit from Service mode, press N or Power button on remote control.
Key
Command
# Press the RED/GREEN button to step up/down through the functions and adjustments.
# Press the YELLOW/BLUE button to change the adjustment values or function.
# Press the numerical button 1-7 to change 0/1 of each option item.
# Press the OK button after each adjustment has been made to store the required values.
# Press the RED/GREEN button to step up/down through the functions and adjustments.
# Press the YELLOW/BLUE button to change the adjustment values or function.
# Press the numerical button 1-7 to change 0/1 of each option item.
# Press the OK button after each adjustment has been made to store the required values.
Subcontrast
adjustment
1. Receive PAL colour bar (100% white) RF signal.
2. Enter “Sub-Contrast” adj. In SERVICE 1 mode.
3. Start adjusting by using Blue Key.
4. If the adjustment finished normally, the letter of “Sub-Contrast” will change from red to black
1. Receive PAL colour bar (100% white) RF signal.
2. Enter “Sub-Contrast” adj. In SERVICE 1 mode.
3. Start adjusting by using Blue Key.
4. If the adjustment finished normally, the letter of “Sub-Contrast” will change from red to black
Voltage Confirmation
AP
board
Normal mode
Normal mode
Test point
|
Position
|
Voltage
|
TP7201
|
Cathode
D7102
|
7V ±
1V
|
TP7301
|
J218
|
9V ±
0,45V
|
TP7303
|
J415
|
5,1V
± 0,25V
|
TP7401
|
JS7958
|
18,8V
± 0,8V
|
TP7403
|
J213
|
3,3V
± 0,15V
|
TP7501
|
JS7503
|
5,1V
± 0,25V
|
TP7502
|
J221
|
9V ±
0,45V
|
TP7601
|
J406
|
31,5V
± 2,5V
|
TP7702
|
JS7702
|
12,2V
± 0,6V
|
Standby mode
Test point
|
Position
|
Voltage
|
TP7201
|
Cathode
D7102
|
10V ±
2V
|
TP7301
|
J218
|
max
2V
|
TP7303
|
J415
|
max
2V
|
TP7401
|
JS7958
|
max
2V
|
TP7403
|
J213
|
max
2V
|
TP7501
|
JS7503
|
max
2V
|
TP7502
|
J221
|
max
2V
|
TP7601
|
J406
|
max
4,5V
|
TP7702
|
JS7702
|
max
2V
|
