Panasonic TX-28PK10 / TX-28PK10E Service Manual ▷ View online
ADJUSTMENT PROCEDURE
Item/Preparation
Adjustments
Voltage Confirmation Set-Up
1. Receive
a
Greyscale
signal.
1. Set the controls:-
Brightness:
Minimum
Contrast:
Minimum
Volume:
Minimum
1.
Confirm the following voltages.
D-Board
E-Board
D3
pin5
147V ±
3V
U8A
E19
pin8
8V
±
0.5V
D12 pin5
5V
±
0.3V
U9
IC3801 pin3
9V
±
0.5V
D13 pin1
40V
±
4V
U12
E22
pin8
12V ±
0.5V
D3
pin4
205V ±
10V
STD5V E26
pin4
5V
±
0.5V
D14 pin5
5V
±
0.5V
U15
E23
pin8
15V ±
1V
D12 pin7
15V
±
2V
U15
E23
pin9
15V ±
2V
D12 pin9
-15V
±
2V
U33
E22
pin10
33V ±
4V
D11 pin8
12V
±
2V
U40
E24
pin1
40V ±
3V
D11 pin10
33V
±
3V
U5B
E19
pin5
5V
±
0.5V
Cut-Off
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.
Adjust the screen VR until the display shows "O.K."
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.
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.
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.
•
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
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
•
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.
As well as providing a first step towards more interactive training this product also achieves quick access to Technical
Information.
NOTE: Self Check should only be used when refurbishing the TV set and not during normal repair work.
5
OPTION 1
80
OPTION 2
31
OPTION 3
02
OPTION 4
C0
OPTION 5
B1
OPTION 6
E9
VPC
O.K.
TUN
O.K.
E2
O.K.
MSP
O.K.
DPL
- -
CI1
O.K.
CI2
O.K.
VP
O.K.
DFU
O.K.
COL
- -
PIP
- -
DIS
O.K.
PCB
O.K.
Cab
O.K.
Sum
Factory use only
WAVEFORM PATTERN TABLE
6
Video Out
IC601 Pin 59
IC601 Pin 59
2V
64µs
B - Out
E8 Pin 4
E8 Pin 4
64µs
4.6V
64µs
2V
H - Pulse
Base Q503
Base Q503
VFLB
IC451 Pin 3
IC451 Pin 3
1V
20ms
B - Out
IC601 Pin 39
IC601 Pin 39
275
mV
64µs
64µs
3V
H - Out
IC601 Pin 50
IC601 Pin 50
Vert Out
IC601 Pin 31
IC601 Pin 31
20ms
0.7V
13µs
3.7V
SCL
IC1201 Pin 3
IC1201 Pin 3
R - Out
E8 Pin 5
E8 Pin 5
64µs
4.6V
HFLB
IC601 Pin 13
IC601 Pin 13
64µs
6.2V
R - Out
IC601 Pin 37
IC601 Pin 37
64µs
275
mV
G - Out
IC601 Pin 38
IC601 Pin 38
275
mV
64µs
Vert Drive
IC451 Pin 2
IC451 Pin 2
20ms
57V
HFLB
IC701 Pin 8
IC701 Pin 8
64µs
1.5V
G - Out
E8 Pin 3
E8 Pin 3
64µs
4.4V
SVM Out
IC601 Pin 34
IC601 Pin 34
88mV
64µs
H - Out
IC701 Pin 5
IC701 Pin 5
30mV
64µs
ALIGNMENT SETTINGS
(The figures below are nominal and used for representative purposes only.)
1.
Set the Bass to maximum position, set the Treble to minimum position, press the down button (- / v) on the customer
controls at the front of the TV and at the same time press the INDEX button on the remote control, this will place the TV
into the Service Mode.
controls at the front of the TV and at the same time press the INDEX button on the remote control, 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.
Alignment Function
Settings / Special features
Horizontal Position
H-Pos
+020
Optimum setting.
Vertical Position
V-Pos
+024
Optimum setting.
Horizontal Amplitude
H-Amp
+049
Optimum setting.
Vert. Amplitude
V-Amp
+029
Optimum setting.
EW-amplitude
E/W-Amp1
+022
Optimum setting.
EW-amplitude
E/W-Amp2
+000
Optimum setting.
Trapezium-comp
Trapez-1
+033
Optimum setting.
Horizontal-Parallel
H-Parallel
+032
Optimum setting.
Vertical Linearity
V-Lin
+004
Optimum setting.
DVCO
DVCO
000
Receive a PAL Colour Bar Pattern. For
DVCO alignment press "Blue" button, wait
until the colours are stable and press
"STR".
DVCO alignment press "Blue" button, wait
until the colours are stable and press
"STR".
Cut-off DC
Cut-off
O.K.
To adjust Cutoff adjust the screen VR until
the display shows "O.K."
the display shows "O.K."
Highlight
High
0031 0031 0031
Contrast
Maximum
A.I.
Off
Optimum setting.
Sub-Brightness
Sub-Brightness
000
Optimum setting.
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