Read Panasonic TX-28LB1P / TX-28LB1S Service Manual online
ADJUSTMENT PROCEDURE
Item/Preparation
Adjustments
Confirm the following voltages.
TPE1
3,3
± 0,3V
TPE13 -13
± 1V
TPE2
200
± 10V
TPE14 27,5
± 1,5V
TPE3
13,25 ± 1V
TPE15 28
± 1,5V
TPE4
10,5
± 1V
TPE16 11,5
± 1V
TPE8
5
± 0,3V
TPE17 8
± 1V
TPE11 147
± 10V
TPE18 5
± 0,3V
+B SET-UP
1. Receive a Greyscale signal.
2. Set the controls:
2. Set the controls:
Brightness
Minimum
Contrast
Minimum
Volume
Minimum
Cut-Off / Ug2 Adjustment
1. Receive a Greyscale signal.
2. Degauss the tube externally.
3. Set the TV into Service Mode 1.
4. Select Ug2 Test.
2. Degauss the tube externally.
3. Set the TV into Service Mode 1.
4. Select Ug2 Test.
Set Contrast on maximum, set Brightness on centre, switch
on AV mode.
Enter Service mode. Set Sub-Brightness to 31. Select
Ug2.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 (pin6 of connector E1 must be connected
to GND).
on AV mode.
Enter Service mode. Set Sub-Brightness to 31. Select
Ug2.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 (pin6 of connector E1 must be connected
to GND).
Note: To set up ”white balance” first set up “Cut off” register to 8. Then set up “high-light” with the help of “drive” registers.
Finish setting-up of “Low-light” with the help of ”Cut-off” register. Carry out setting-up of ”white balance” in available TV
systems (PAL, SECAM).
Finish setting-up of “Low-light” with the help of ”Cut-off” register. Carry out setting-up of ”white balance” in available TV
systems (PAL, SECAM).
FACTORY SETTINGS
To return customer settings to factory settings and clear owner ID of all information input by the customer, 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
button
mode. Press 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.
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.
4
NOTE: Self Check should only be used when refurbishing the TV set and not during normal repair work.
OPTION 1
EC
OPTION 2
00
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