TX-29AL1C - Panasonic TV Service Manual (repair manual). Page 9

(The figures below are nominal and used for representative purposes only.)
1.  Set the Bass to maximum position, set the Treble to minimum position, set the Volume to minimum then press  the

INDEX button on the remote control and at the same time press the down button (-/v) on the customer controls at the
front of the TV, this will place the TV into the Service Mode.

2. Press 

the 

RED / GREEN buttons to step up / down through the functions.

3. Press 

the 

YELLOW / BLUE buttons to alter the function values.

4. Press 

the 

STR button after each adjustment has been made to store the required values.

5.  To exit the Service Mode, press the "N" button.

Settings / Special features

Horizontal Position

H-Pos

061

Optimum setting.

Vertical Position

V-Pos

 005

Optimum setting.

Horizontal Amplitude

H-Amp

055

Optimum setting.

Vert. Amplitude

V- Amp

054

Optimum setting.

EW-amplitude

EW-Amp1

 - 054

Optimum setting.

EW-amplitude

EW-Amp2

006

Optimum setting.

Trapezium-comp

Trapez 1

047

Optimum setting.

Trapezium-comp

Trapez 2

 - 004

Optimum setting.

Vertical Linearity

V-Lin

006

Optimum setting.

Vertical Symmetry

V-Sym

002

Optimum setting.

DVCO

DVCO

 - 005

Receive a PAL Colour Bar Pattern. For
DVCO alignment press "Blue" button, wait
until the colours are changing slowly and
press "STR".

Cut-off DC

Cut-off

0171

Ug2 Test

Ug2

055

O.K.

To adjust Cutoff connect an oscilloscope to
the Blue cathode. Press “STR” and adjust
“cutoff” value using the “Yellow” and
“Blue” buttons until the black level is
160V +5V/-0V press “STR” to store the
value.
Remove the oscilloscope.
Select Ug2 adjustment and adjust the
screen VR until the display shows “O.K.”

Highlight

Lowlight

High 0902 0777 0864
Low

0117 0132 0112

Optimum setting.

Sub-Brightness

Sub-Brightness

032

Optimum setting.

Black Level

160V +5V/ -0V

GND