Adjustment Procedure And Factory Settings - Panasonic TX-25AS10D/M Service Manual

Adjustment Procedure
Item / Preparation
+B SET-UP
1. Receive a Greyscale signal.
2. Set the controls :-
Brightness Minimum
Contrast Minimum
Volume Minimum
CUT OFF / Ug2 Test
1. Receive a Greyscale signal.
2. Degauss the tube externally.
3. Set the TV into Service Mode 1.
4. Select Cut off mode.
FACTORY SETTINGS
Self-check is used to automatically check the bus lines and hexadecimal code of the TV set.To enter Self-Check mode. press
the down (-/v) button on the customer controls at the front of the TV set, at the same time pressing the STATUS
on the remote control. To exit Self Check, switch off the TV set at the power button.
If the CCU ports have been checked and found to be incorrect or not located then " - - " will appear in place of "O.K.".
All manuals and user guides at all-guides.com
Adjustments
1.
2.
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,
press "STR" to store the value. Remove the oscilloscope.
Select Ug2 adjustment and adjust the screen VR until the
display shows "O.K."
VPC O.K. PCB
CIP O.K. Cab
SRC O.K. Sum
DDP O.K.
TUN O.K.
E2 O.K.
MSP O.K.
DPL - -
TX-25AS10D/M TX-25AS10F/M
OPTION1 39 OPTION1 39
OPTION2 1C OPTION2 1C
OPTION3 0F OPTION3 0F
OPTION4 40 OPTION4 40
OPTION5 FF OPTION5 FD
OPTION6 A5 OPTION6 A5
5
Set the +B voltage up as follows:-
Adjust R811 so that B2 shows 148V±1V.
Confirm the following voltages.
B9 5 ± 0,25V B10
B5 12 ± 0,5V B11
B4 15 ± 1V B7
B12 26 ± 2V B8
B3 36 ± 1,5V B13
B1 205 ± 10V B14
O.K.
O.K.
Factory use
only
5 ± 0,25V
33 ± 1,5V
8 ± 0,5V
6 ± 1V
13 ± 1V
14 ± 1V
button