Read Panasonic TX-21AT1P Service Manual online
ADJUSTMENT PROCEDURE
Item / Preparation
Adjustments
+B SET-UP
1. Receive a Greyscale signal.
2. Set the controls :
2. Set the controls :
Brightness Minimum
Contrast Minimum
Volume Minimum
Confirm the following voltages.
B1 3,3
B1 3,3
± 0,3V B13 -16 ± 1V
B2 190 ±
10V B14 27,5 ± 1,5V
B3
16
± 1V
B15 28
± 1,5V
B4
10
± 1V
B16 13 ± 1V
B8 5 ±
0,3V B17 8
± 1V
B11 127 ±
10V B18 5 ± 0,3V
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.
2. Degauss the tube externally.
3. Set the TV into Service Mode 1.
4. Select Cut off mode.
Set Contrast on maximum, set Brightness on center, switch
on AV mode.
Enter Service mode. Set Sub-Brightness to 31. Select Ug2
Test. Press "+" and adjust screen Vr till sharp vertical line is
visible and LED switches off. Then reduce screen Vr till LED
is just switched on.
on AV mode.
Enter Service mode. Set Sub-Brightness to 31. Select Ug2
Test. Press "+" and adjust screen Vr till sharp vertical line is
visible and LED switches off. Then reduce screen Vr till LED
is just switched on.
SELF CHECK
Self-check is used to automatically check the bus lines and hexadecimal code of the TV set.To enter Self-Check mode, press
the STATUS button on the remote control and at the same time press the down (-/v) button on the customer controls at
the front of the TV set. To exit Self Check, switch off the TV set at the power button.
the STATUS button on the remote control and at the same time press the down (-/v) button on the customer controls at
the front of the TV set. To exit Self Check, switch off the TV set at the power button.
OPTION 1 E0
OPTION 2 02
If the CCU ports have been checked and found to be incorrect or not located then " - - " will appear in place of "O.K.".
Service Aids
To aid in the service of our current chassis there are a number of Service Aids which have been made available.
•
LUCI
interface kit (Linked Utility Computer Interface)
Part number: TZS6EZ002
This contains interface and cables for connecting TV service connector and a PC as well as diagnostic software. As new
models are introduced upgrade software will become available.
This contains interface and cables for connecting TV service connector and a PC as well as diagnostic software. As new
models are introduced upgrade software will become available.
•
VICI
(Visual Interactive Computer Information)
These C.D.'s contain multimedia documentation providing quick access to service information.
Part No. TZS7EZ006, TZS7EZ005, TZS8EZ001 & TZS9EZ001
1. Service Manuals
2. Instruction Books
3. Technical Information
Part No. TZS7EZ006, TZS7EZ005, TZS8EZ001 & TZS9EZ001
1. Service Manuals
2. Instruction Books
3. Technical Information
•
TASMIN
(Technically Advanced System for Multimedia Interactive Notes)
As well as providing a first step towards more interactive training this product also achieves quick access to Technical
Information.
Information.
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