Panasonic TX-29AL1P Service Manual ▷ View 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.
B2
148
± 2V
B10
5
± 0,25V
B9
5
± 0,25V
B11
33
± 1,5V
B5
12
± 0,5V
B7
8
± 0,5V
B4
15,5
± 1V
B8
5,5 ± 0,5V
B12 26
± 1V
B13
13
± 1V
B3
36
± 1,5V
B14
-13
± 1V
B1
215
± 10V
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.
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/-0V 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/-0V press “STR” to store the value.
Remove the oscilloscope.
Select Ug2 adjustment and adjust the screen VR until the
display shows “O.K.”
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.
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.
VDP
O.K.
TUN
O.K.
E2
O.K.
MSP
O.K.
DPL
- - -
PCB
O.K.
CAB
O.K.
SUM
****
OPTION 1 3D
OPTION 2 3C
OPTION 3 0F
OPTION 4 40
OPTION 5 FD
OPTION 6 E1
5
WAVEFORM PATTERN TABLE
6
CONDITIONS:
CONTRAST...MAX, BRIGHTNESS...MID, COLOUR...MID, SHARPNESS...MID
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, set the Volume to minimum then press the
1. Set the Bass to maximum position, set the Treble to minimum position, set the Volume to minimum then press the
INDEX button on the remote control and at the same time press the down button (-/v) on the customer controls at the
front of the TV, this will place the TV into the Service Mode.
front of the TV, 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
061
Optimum setting.
Vertical Position
V-Pos
005
Optimum setting.
Horizontal Amplitude
H-Amp
055
Optimum setting.
Vert. Amplitude
V-Amp
054
Optimum setting.
EW-amplitude
EW-Amp 1
- 054
Optimum setting.
EW-amplitude
EW-Amp 2
006
Optimum setting.
Trapezium-comp
Trapez 1
047
Optimum setting.
Trapezium-comp
Trapez 2
- 004
Optimum setting.
Vertical Linearity
V-Lin
006
Optimum setting.
Vertical Symmetry
V-Sym
002
Optimum setting.
DVCO
DVCO
- 005
Receive a PAL Colour Bar Pattern. For
DVCO alignment press "Blue" button, wait
until the colours are changing slowly and
press "STR".
DVCO alignment press "Blue" button, wait
until the colours are changing slowly and
press "STR".
Cut-off DC
Cut-off
0171
Ug2 Test
Ug2
055
O.K.
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/-0V press “STR” to store the
value.
Remove the oscilloscope.
Select Ug2 adjustment and adjust the
screen VR until the display shows “O.K.”
the Blue cathode. Press “STR” and adjust
“cutoff” value using the “Yellow” and
“Blue” buttons until the black level is
160V +5V/-0V press “STR” to store the
value.
Remove the oscilloscope.
Select Ug2 adjustment and adjust the
screen VR until the display shows “O.K.”
Highlight
Lowlight
High 0902 0777 0864
Low
Low
0117 0132 0112
Optimum setting.
Sub-Brightness
Sub-Brightness
032
Optimum setting.
7
Black Level
160V+5V/-0V
GND
VIDEO BLOCK DIAGRAM
8
Q105
AV1
IC601
Video Out 19
Video In 20
AV2
Q3601
IC1101
R 37
68
CVBS
CVBS
61 V IN 1
43 B IN
42 G IN
41 R IN
62 VIN 2
60 C IN
63 VIN 3
VIN 4
64
VIDEO OUT
59
59
B IN 47
B OUT 39
Q305
Q303
Q301
E8
4
3
5
Q353
Q352
Q351
CRT
3
2
1
7
8
9
Y2
4
3
5
IC351
TUNER
Q104
Red 15
Blue 7
Green 11
Video In 20
AV2 C 15
Video Out 19
G OUT 38
R OUT 37
G IN 46
R IN 45
Q306
Q304
Q302
Q3001
G 38
B 39
Y - BOARD
E - BOARD
RGB
OUTPUT
VIDEO
PROCESSOR
MICRO
PROCESSOR
E15
6
8
H1
H3
E61
1
1
6
8
H - BOARD
IC3401
8
6
3
VIDEO
SWITCHING
2
4
2
4
Q3201
Q3202
Q3207
M2
E17
6
6
AV3
Y
C
M - BOARD
M3
4
2
8
6
H2
4
2
8
6
Q3208
Q3209
Q3402
Q3203
Q3204
Q3206
Q3205
7
7
SVM OUT 34
Q950
Q951
Q905
Q907
Q909
Q906
Q908
VM
COIL
Q354
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