How to enter service mode Panasonic LCD TV - PANASONIC TX-L32S10B- TX-LF32S10 - TX-LF37S10 - Service mode - Led blinking code - service adjustments - LCD television repair and service

Category: LCD Television Repair and Service 

Contents of this article 

• How to access service mode
• Self check mode 
• Led blinking codes 

PANASONIC TX-L32S10B - TX-LF32S10 - TX-LF37S10

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 down (-/v) button on the TV set and press the STATUS button on the remote control. 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.

Led blinking and cause 

Blinking times	Contents	Check point
1	INVERTER_SOS	LCD PANEL A BOARD
2	FAN_SOS	A BOARD
3	SOS	A BOARD
4	SUB_F_12V	A BOARD
5	MAIN9V	A BOARD
6	SUB5V	A BOARD V BOARD
7	SUB3.3V	A BOARD
8	MAIN3.3V	A BOARD
9	SOUND_SOS	A BOARD
13	EMERGENCY SOS	A 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
While pressing (-/v) button on TV unit, press 0 on the remote control for 3 times within 2 seconds.
Note:
To exit from Service mode, press the exit button on remote control.

Key Command
# Press the 3/4 button to change the adjustment values or function.
# Press the 1/2 button to step up/down through the functions and adjustments
# Press the numerical button VOLUME (+/-) to change 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 “Contrast” adj. In SERVICE mode.
3. Start adjusting by using Yellow Key.
4. If the adjustment finished normally, the letter of Contrast will change from red to black
White Balance adjustment
1. Procedure basically performs checking using the production software and make automatic adjustment using external computer.
2. It adjusts in the mode of : Colour balance Normal as follows. Viewing Mode Dynamic.