Monday, November 30, 2015

PANASONIC TX-32LX700F - TX-32LX700P SERVICE MODE AND LED BLINKING CODE

PANASONIC TX-32LX700F - TX-32LX700P 

SERVICE MODE AND LED BLINKING CODE 

Power LED blinking timing chart
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

DG BOARD
LCD PANEL


2


FAN_SOS

H BOARD
DG BOARD


3

BT_30V,SOUND 15V
PANEL 12V, HQ_ 3.3V

H BOARD
AP BOARD,DG BOARD


4


DTV_9V

AP BOARD
H BOARD, DG BOARD


5


MAIN_9V

AP BOARD
H BOARD, DG BOARD


6


SUB_5V

AP BOARD
H BOARD, DG BOARD

7

MAIN_5V

DG BOARD

8

MAIN_3.3V

DG BOARD


9


SOUND_SOS

H BOARD
DG BOARD

10
HQ1L_SOS
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
While pressing (-/v) button on the 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 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 “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
Viewing Mode Dynamic
BOARD DESCRITION
Board Name
Function
AP-Board
Power Supply Regulator
DG-Board
Global Core, HDMI, IDTV Processor, D/A Converter
G-Board
Side AV Connector
H-Board
AV Connector, TV tuner, AV Switch
K-Board
Main Switch
P-Board
Main Input, Power Supply
V-Board
Remote Receiver, LED IR, Cats
GH-Board
HDMI
GS-Board
SD Card

Setting Inspection
Voltage Confirmation
Confirm the following voltages:
AP board
Description > Test point > Position > Normal mode > Stand by mode
Sound_Vcc   TP7302 AP3,  pin 2,3  15V  +/- 0,8V Max 5V
DTV_9V  TP7502  AP3,  pin 17,18  9,1V  +/- 0,45V Max 3V
Sub_5V  TP7402  AP3,  pin 21,22  5,1V  +/- 0,25V Max 2V
Main_9V AP3, pin 23 9,1V +/- 0,45V Max 3V
LCD_3.3V TP7602 AP4, pin 16,17 3,3V +/- 0,16V Max 2V
STB_5V TP7103 AP4, pin 3 5,1V +/- 0,25V 5,1V +/- 0,25V
Panel 12V TP7702 AP4, pin 11,12 12,2V +/- 0,6V Max 4V
P board
5Vs TP823 P8, pin 1 5,1V +/- 0,25V 5,1V +/- 0,25V
24V TP825 P5, pin 1-3 24V +/- 2V Max 4V
DG board
Sub1,2V TP5601 1,17V - 1,32V
Sub1,8V TP5602 1,7V - 1,9V
Sub3,3V TP5600 3,14V - 3,46V
MHQ1,2V TP4209 1,1V - 1,3V