Panasonic TX-28LB1P / TX-28LB1S Service Manual ▷ View online
WAVEFORM PATTERN TABLE
CONDITIONS:
Contrast:
MAX
Brightness: MID
Colour:
Colour:
MID
Sharpness: MID
5
ALIGNMENT SETTINGS
To access Service Mode select program position 99 and set sharpness to minimum.
Press “MUTE” button on remote control and at the same time press the "V" button on the customer controls at the front of
the TV, this will place the TV set into Service Mode.
Press
Press “MUTE” button on remote control and at the same time press the "V" button on the customer controls at the front of
the TV, this will place the TV set into Service Mode.
Press
Ù
/
Ú
buttons to step up / down through the functions.
Press
+ / -
buttons to alter the function values.
Press “STR” button on the customer controls at the front of the TV after each adjustment has been made to store the
required values.
To exit Service Mode press “N” button.
required values.
To exit Service Mode press “N” button.
Alignment Function
Setting indication
Note: All setting values are
approximate
approximate
Settings / Special features
1. Cut off (Ug2)
LED On/Off
(pin6 of connector E1 to the GND)
LED to be just On
2. Vertical slope
V-SLO 32
Optimum setting
3. Vertical shift
V-POS 43
Optimum setting.
4. Vert. Amplitude
V-AMP 60
Optimum setting.
5. Horizontal shift
H-CTR 31
Optimum setting.
6. Horizontal parallelogram
H-PAR 034
Optimum setting.
7. Horizontal bow
H-BOW 031
Optimum setting.
8. R - Cut
R - CUT 08
Optimum setting.
9. G - Cut
G - CUT 08
Optimum setting.
10. R - Drive
R - DRV 31
Optimum setting.
11. G - Drive
G - DRV
31
Optimum setting.
12. B - Drive
B - DRV 31
Optimum setting.
13. AGC
AGC 20
Optimum setting.
14. Sub Colour
S - COL 15
Optimum setting.
15. Sub Brightness
S - BRI 31
Optimum setting.
16. Horizontal Width
EW – WD 34
Optimum setting.
17. EW parabola
EW – PR 32
Optimum setting.
18. EW Upper corners
EW – UC32
Optimum setting.
19. EW Lower corners
EW – LC 33
Optimum setting.
20. EW Trapezoid
EW – TP 36
Optimum setting.
Input remote code "FA" followed by key 5 (14 hex) or press "Status button" on remote control
(numerical keys 0-6 to change value, TV/AV button to store on remote control):
(numerical keys 0-6 to change value, TV/AV button to store on remote control):
Option Byte - 1
Option Byte Table
Option Byte - 2
Option Byte Table
Bit No.
Value
Functions
Bit No.
Value
Functions
0
0
French model
0
1
1
NO
YES
YES
0
0
SOUND AI
0
1
1
NO
YES
YES
1
0
Irish model
0
1
1
NO
YES
YES
1
0
CATS
0
1
1
YES
NO
NO
2
1
NICAM enabled
0
1
1
NO
YES
YES
2
0
3
1
A2 stereo enabled
0
1
1
NO
YES
YES
3
0
4
0
Tuner manufacturer
0
1
1
MACO
ALPS
ALPS
4
0
5
1
CRT
0
1
1
21"
25",28"
25",28"
5
0
6
1
Q - link enabled
0
1
1
NO
YES
YES
6
0
7
1
TOP TEXT enabled
0
1
1
YES
NO
NO
6
VIDEO & S
T
ERE
O
A
U
D
IO
BL
OCK
DI
A
G
R
A
M
7
TU
N
E
R
IC
601
23
IF1
UOC
X
103
Q2001
JK3101
HEADPH
L
24
IF2
28
SI
F
1
29
SI
F
2
R IN
46
G IN
47
B IN
48
Q
SS O
U
T
35
VI
D
E
O
O
U
T
38
VI
D
E
O
I
N
40
VI
D
E
O
EX
T
42
53
B OUT
52
G OUT
51
R OUT
IF1
IF2
R
V
E7
1
E6
3
R
L
IC
2001
Q
SS I
N
47
R I
N
42
L I
N
41
OU
T L
31
OU
T R
30
24
AMP
R
25
AMP
L
M
U
LT
I-
S
T
A
NDA
R
T
S
O
UND
PR
O
C
ESS
O
R
IC
251
A
U
D
IO OU
T
P
U
T
IC
5
R IN
1
L IN
L O
U
T
10
R O
U
T
8
3
1
Q2001
Q601
Q602
Q2004
Q2003
AV
2
1 P
IN
S
C
AR
T
20
VIDEO IN
15
R IN
11
G IN
19
VIDEO OUT
7
B IN
6
L IN
3
L OUT
2
R IN
1
R OUT
Q3104
X
602
S
O
UND T
R
A
P
E-
BO
A
R
D
E8
1
2
3
Y2
1
2
3
CRT
Y-B
O
A
R
D
IC
351
1
23
7
8
9
Q351
D
370
D
371
D
372
POWER SUPPLY
& DEF
L
EC
TION
BL
OC
K DI
A
G
R
A
M
8
1
3
CRT
Y-B
O
A
R
D
IC
351
5
7
8
9
Q351
D
350
Y3
1
2
F8
0
1
S8
0
2
De
g
a
u
s
s
Co
il
T
802
R
L
801
+
~
D
802
~
P2
P1
S2
S1
2
4
3
1
E2
Mains In
Li
n
e
F
ilte
r
1
2
E3
D
801
D
1202
Q1201
+
~
D1
2
0
1
~
IC
1104
RE
M
O
T
E
IN
VC
C
IC
1103
EAR
O
M
8
IC
1202
3
1
IC
1201
3
1
IC
1102
VD
D
R
1202
5
V
ST
A
NDBY
Q1204
R
1205
IC
601 P
IN 1
PO
W
E
R
O
N
/O
F
F
IC
801
PO
W
E
R
SU
PPL
Y
3
5
4
1
R
804
IC
802
1
2
D8
1
2
D8
0
4
D8
1
3
D8
1
1
D8
0
6
D8
0
5
T
802
S2
B2
P2
P1
S3
S4
S5
B1
S1
IC
701
6
5
IC
702
2
1
F
853
F
852
D8
5
3
Q851
D8
5
2
Q852
IC
251
A
UDI
O
OU
TP
U
T
9
Q701
Q702
Q751
Q752
IC
451
VER
T
IC
A
L
OU
TP
U
T
1
7
3
64
5
2
IC
601
UO
C
61
V
DDP
56
V
DDC
54
V
DDA
20
AVL
/E
W
14
VC
C
39
VP
BC
L
49
IB
L
50
PR
O
T
36
F
B
I/S
C
O
34
HO
UT
33
V-
21
V+
22
D7
0
1
D7
5
1
F8
5
1
D
851
Q753
Q501
T
553
D
501
D5
1
0
Q551
D5
5
6
D5
5
7
HOT
D7
5
2
1
2
4
E4
6
9
4
10
8
5
3
16
T
552
FB
T
D
559
D
401
D
402
Q402
Q401
D5
5
3
6
1
E1
+5
V
ST
A
NDBY
Q603
D
603
+1
9
0
V
D
606
+8
V
D
601
+5
V
D4
0
3
E-
BO
A
R
D
5
6
Y2
1
3
E5
5
6
E8
TO
R
G
B
INP
U
T
S
G1
HEAT
ER
IC
1105
2
IC
2001
16
33
IC
851
1
3
IC
852
1
3
D
552
D
554
5V
8V
D
1205
TU
N
E
R
TU2
33V
MB
5V
D0
0
2
D0
0
3
46
Q606
D6
0
7
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