HOW TO ACCESS SERVICE MODE PANASONIC TX-32LX60P - TX-26LX60F AND POWER SUPPLY CIRCUIT

PANASONIC TX-32LX60P - TX-26LX60


SERVICE MODE AND POWER SUPPLY CIRCUIT

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 ( i )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.
Adjustment Method
SERVICE MODE 

• Set the Bass to maximum position, set the Treble to minimum position then keep pressing the INDEX button on the remote control and press the down button (-/v) on the TV set, this will place the TV set into the Service Mode 1.
Key Command
• Press the RED / GREEN buttons to step up / down through the functions.
• Press the YELLOW / BLUE buttons to alter the function values, to alter White Rasters use +/- buttons
• Press the OK button after each adjustment has been made to store the required values.
• To exit the Service Mode, press the "N" button.
White Balance Adjustment
Instrument
• Remote Control
• LCD WB meter (Minolta CA-210 or equivalent) Condition
• Switch on the TV Set. Enter Service1. Step down to Highlight line and keep the aging time more than 20 minutes. Procedure
• After aging time above set White Raster No.12 for Highlight and No.4 for Lowlight [HIGH 12/ LOW 4] Press the OK button to store.
• Put Minolta Sensor to the center of the LCD Panel with 25mm gap between Minolta Sensor and LCD Panel. Adjust "x" and "y" values by changing Red and Blue values.
• Press OK button to store setting.

Chassis Board Layout

Board Name
Function
A-Board
Main Board
B-Board
Tuner
H-Board
AV3 Terminal
Key Control
Key Control
K-Board
Mains Input, Power Switch
P-Board
Power Supply
V-Board
Remote Receiver, LED IR, Bats

Setting Inspection
Voltage Confirmation
Confirm the following voltages:
A board

Normal mode
Test point
Position
Voltage
TP004
C870, + pin
33V ± 3V
TP005
Connector A7, pin 22
12V [15V]
TP006
C1500, + pin
8V ± 0,3V
TP008
C1700, + pin
5V ± 0,2V
TP010
C890 - R898
3,3V ± 0,1V
TP012
Q878, pin 1
3,3V ± 0,1V
TP017
C872, + pin
10,5V ÷ 16V
TP018
IC252, pin 5
24V
TP019
IC862, pin 1
24V
TP023
Connector A7, pin 12
24V



TP009


C883, + pin
Standby mode

1,8V ± 0,1V
TP013            

C868, + pin

3,3V ± 0,1V

P board

Normal mode
TP001
Connector P2, pin 20
12V ± 2V [15V± 2V]
TP002
Connector P2, pin 8
24V ± 2V
TP003
Connector P2, pin 9
24V ± 1V


Standby mode

TP002

Connector P2, pin 8

24V
TP003
Connector P2, pin 9
<2V

POWER SUPPLY CIRCUIT   

CLICK ON THE IMAGE TO ZOOM IN