Read Panasonic TX-25AS10D / TX-25AS10M / TX-25AS10F Service Manual online
Adjustment Procedure
Item / Preparation
Adjustments
+B SET-UP
1. Receive
a
Greyscale
signal.
2. Set the controls :-
Brightness
Minimum
Contrast
Minimum
Volume
Minimum
1. Set the +B voltage up as follows:-
Adjust R811 so that B2 shows 148V±1V.
2. Confirm the following voltages.
B9
5
±
0,25V B10
5
±
0,25V
B5
12
±
0,5V
B11
33
±
1,5V
B4
15
±
1V
B7
8
±
0,5V
B12 26
±
2V
B8
6
±
1V
B3
36
±
1,5V
B13
13
±
1V
B1
205
±
10V
B14
14
±
1V
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.
3. Set the TV into Service Mode 1.
4. Select Cut off mode.
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."
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."
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
the down (-/v) button on the customer controls at the front of the TV set, at the same time pressing the STATUS
button
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.".
5
PCB
O.K.
Cab
O.K.
Sum
Factory use
only
only
TX-25AS10D/M
OPTION1 39
OPTION2 1C
OPTION3 0F
OPTION4 40
OPTION5 FF
OPTION6 A5
TX-25AS10F/M
OPTION1 39
OPTION2 1C
OPTION3 0F
OPTION4 40
OPTION5 FD
OPTION6 A5
VPC
O.K.
CIP
O.K.
SRC
O.K.
DDP
O.K.
TUN
O.K.
E2
O.K.
MSP
O.K.
DPL
- -
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