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Model
KV-XA21M80
Pages
57
Size
3.52 MB
Type
PDF
Document
Service Manual
Brand
Device
TV
File
kv-xa21m80.pdf
Date

Sony KV-XA21M80 Service Manual ▷ View online

 30 
KV
-XA21M80
RM-952
Adjustment Item Table
NOTE
 shaded items are fixed data.
• Standard data listed on the Adjustment Item Table are reference values, therefore it may be different for each model and for each mode.
• Note for Different Data Those are the standard data values written on the microprocessor. Therefore, the data values of the modes and stored respectively in the memory.
In case of a device replacement, adjustment by rewriting the data value is necessary for some items.
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B
7
0
C
G
A
1
1
T
N
A
T
S
N
O
C
/
O
T
U
A
H
C
T
I
W
S
C
G
A
)
7
(
B
B
0
A
8
6
7
)
7
(
8
0
1
8
0
L
E
R
8
2
F
3
E
D
O
M
T
N
A
T
S
N
O
C
T
A
N
I
A
G
C
G
A
)
1
-
6
(
B
B
0
A
8
6
1
-
6
)
1
-
6
(
8
0
1
9
0
M
R
C
0
1
F
F
O
/
N
O
G
N
I
T
U
M
R
E
I
R
R
A
C
)
9
(
B
B
0
A
7
6
1
)
1
(
7
0
1
A
0
O
C
A
1
1
F
F
O
/
N
O
T
U
O
K
C
O
L
C
O
I
D
U
A
)
5
(
3
8
0
A
9
6
5
)
5
(
C
0
1
B
0
P
F
B
1
F
7
M
E
T
S
Y
S
M
-
N
O
N
R
O
F
E
L
A
C
S
E
R
P
M
F
)
0
-
7
(
E
0
0
A
A
6
0
-
6
)
0
-
6
(
C
6
1
C
0
M
P
F
2
3
F
7
M
E
T
S
Y
S
M
R
O
F
E
L
A
C
S
E
R
P
M
F
)
0
-
7
(
E
0
0
A
B
6
0
-
6
)
0
-
6
(
D
6
1
D
0
H
F
6
3
F
7
V
E
D
H
R
O
F
E
L
A
C
S
E
R
P
M
F
)
0
-
7
(
E
0
0
A
C
6
0
-
6
)
0
-
6
(
E
6
1
E
0
M
H
F
5
6
F
7
M
D
N
A
V
E
D
H
R
O
F
E
L
A
C
S
E
R
P
M
F
)
0
-
7
(
E
0
0
A
D
6
0
-
6
)
0
-
6
(
F
6
1
F
0
P
G
W
A
2
F
7
E
L
A
C
S
E
R
P
G
/
W
)
0
-
7
(
E
0
0
A
E
6
0
-
6
)
0
-
6
(
0
7
1
0
1
P
I
N
D
6
F
7
E
L
A
C
S
E
R
P
M
A
C
I
N
)
0
-
7
(
0
1
0
A
F
6
0
-
6
)
0
-
6
(
8
3
1
1
1
R
R
E
0
5
F
F
D
L
O
H
S
E
R
H
T
H
C
T
I
W
S
M
F
O
T
U
A
)
3
-
0
1
(
1
2
0
A
0
7
0
-
7
)
0
-
7
(
6
6
1
2
1
L
O
V
D
6
F
F
H
0
F
F
7
O
T
H
0
0
0
7
N
I
A
G
R
E
K
A
E
P
S
)
4
-
5
1
(
0
0
0
0
4
A
2
6
0
-
7
)
0
-
7
(
B
B
1
T
X
T
0
0
H
X
T
0
3
N
O
I
T
I
S
O
P
L
A
T
N
O
Z
I
R
O
H
T
X
E
T
E
L
E
T
)
H
8
5
(
1
6
2
5
A
A
S
4
A
5
5
0
-
1
)
0
-
1
(
D
8
1
1
0
V
X
T
0
3
N
O
I
T
I
S
O
P
L
A
C
I
T
R
E
V
T
X
E
T
E
L
E
T
4
A
5
5
4
-
5
)
4
-
6
(
D
8
1
M
P
O
0
0
H
S
O
A
0
F
3
N
O
I
T
I
S
O
P
H
D
S
O
c
s
i
M
-
n
o
i
t
p
O
0
A
7
2
2
-
7
)
2
-
7
(
7
A
1
0
M
O
C
1
3
0
N
O
I
T
C
E
L
E
S
B
M
O
C
0
A
0
5
6
-
7
)
6
-
7
(
0
A
2
0
C
P
A
1
1
H
C
T
I
W
S
C
P
A
0
A
F
4
5
)
5
(
F
9
3
0
Y
S
T
0
3
0
S
Y
S
V
T
O
T
U
A
T
A
S
Y
S
V
T
0
A
F
4
3
-
4
)
3
-
4
(
F
9
4
0
T
U
M
0
1
E
T
U
M
L
A
N
G
I
S
O
N
0
A
F
4
0
)
0
(
F
9
5
0
M
F
A
0
1
H
C
T
I
W
S
M
F
O
T
U
A
0
A
F
4
1
)
1
(
F
9
6
0
B
F
R
0
3
L
O
R
T
N
O
C
F
P
B
-
C
0
A
0
5
4
-
5
)
4
-
5
(
0
A
7
0
O
V
T
0
7
T
E
S
F
F
O
E
L
G
N
A
-
V
O
T
T
L
I
T
0
A
0
5
0
-
2
)
0
-
2
(
0
A
8
0
L
B
D
0
1
N
O
I
T
C
N
U
F
K
C
A
B
E
U
L
B
E
L
B
A
S
I
D
0
A
F
4
2
)
2
(
F
9
B
P
O
0
0
1
P
O
F
F
F
F
(
1
S
T
I
B
L
A
N
O
I
T
P
O
w
o
l
e
b
e
e
s
)
.
s
t
i
B
-
n
o
i
t
p
O
0
A
D
2
0
-
7
9
4
1
0
2
P
O
2
6
F
F
(
2
S
T
I
B
L
A
N
O
I
T
P
O
w
o
l
e
b
e
e
s
)
0
A
E
2
0
-
7
A
4
2
0
3
P
O
1
B
F
F
(
3
S
T
I
B
L
A
N
O
I
T
P
O
w
o
l
e
b
e
e
s
)
0
A
F
2
0
-
7
B
4
3
0
4
P
O
2
F
F
(
4
S
T
I
B
L
A
N
O
I
T
P
O
w
o
l
e
b
e
e
s
)
0
A
0
3
0
-
7
C
4
– 31 –
KV-XA21M80
RM-952
AV Input
00 = no AV Input
01 = 1 AV Input
10 = 2 AV Input
11 = 3 AV Input
DVD Input
Effective only when "AV Input" is set to 3 AV Input
Dis Fav.
Disable Favorite Channel (Effective For XF-L (21" & 14") Models Only)
PIC Rotate
*
1
Picture Rotation feature Switch
0 = disabled,
1 = enabled
2199 Curve
*
1
2199 Volume Curve Selection
0 = Others,
1 = 2199 Volume Curve.
Auto PIC
Auto Picture Improvement
0 = inactive
1 = active
A-TVsys
Auto TV System in Auto Program
0 = disabled,
1 = enabled
US ST
USA Stereo
0 = disabled,
1 = enabled
AV MONO
*
1
AV Mono models
0 = Stereo,
1 = Mono
(No Balance & Surround selection)
11 Key
Front Key Selection
0 = 7 key model,   1 = 11 key model
Color SW
*
2 & 
*
1
Color Data Selection in Dynamic Mode
0 = 65 (No PIP),
1 = 57 (PIP)
ITEM INFORMATION
No. OPB0 OP1
Item
KV-XA21M80
M
1
D/K
1
I
1
B/G
1
2nd. Lang
1
SECAM
1
XTAL 3.58
1
XTAL 4.43
1
No. OPB1 OP2
Item
KV-XA21M80
DVD Input
0
Dis Fav.
0
Thai Bil
0
HDEV
1
NICAM
1
TOP
0
AV Input
1
0
No. OPB2 OP3
Item
KV-XA21M80
AV Mono*
1
0
US ST
0
Auto TV sys
1
Auto PIC
1
2199 Curve*
1
0
PIC Rotate*
1
1
11 KEY
0
Colour SW*
2 &
*
1
1
No. OPB3 OP4
Item
KV-XA21M80
(unused)
0
(unused)
0
(unused)
0
(unused)
0
(unused)
0
(unused)
0
AP_XG*
1
1
AP_XG
*
1
To select the XG AP (board B6)
0: No;  1 = Yes
NOTE:
When Bit 7, 6 & 5 = 000, Only PAL color system is selected.
When Bit 7 is selected, Auto, PAL& NTSC 4.43 Color system is enable
When Option is single color system, Color system cannot be changed & "AUTO" will not be displayed.
Note:
 *1
 
- For KV-XA21/XG25 models only
 *2
 
- For KV-XA34/29/25 models only
(unused)
0
Note:
 
*1
 
- For KV-XA21/XG25 models only
– 32 –
KV-XA21M80
RM-952
4-3. PICTURE QUALITY ADJUSTMENTS
SUB COLOR ADJUSTMENT
1. Select Video.
2. Input a PAL color-bar.
3. Set to the following condition:
PICTURE 100%, BRIGHTNESS 50%, COLOR 50%
4. Connect an oscilloscope to pin 1 (B OUT) of CN305, A board.
5. Set to Service Mode and select SAJ ‘SCL’ with 1 and 4
of the commander then adjust to VB2=VB3=VB4 with 3
and 6.
6. Press 
[MUTING]
 
→ - of the commander to write the data.
7. Adjust SAJ ‘SCL’ as step 3 to 5 when receiving NTSC color-
bar.
8. Select the ‘Wide’ mode, write the ‘same data-3 steps’ for
both PAL and NTSC input.
SUB HUE ADJUSTMENT
1. Select Video.
2. Input a NTSC 3.58 color-bar, into Video.
3. Set the following condition:
PICTURE 100%, BRIGHTNESS 50%, COLOR 50%
4. Connect an oscilloscope to pin 1 (B OUT) of CN305, A
board.
5. Select SAJ O1 "SHU" with 1 and 4 of the commander by
setting to Service Mode and adjust to VB1=VB2=VB3=VB4
with 3 and 6.
4-4. DEFLECTION ADJUSTMENT
NORMAL MODE (50Hz)
1.
Set to Service Mode.
2.
Using the 1 and 4 button, select category GEO
(Service Mode).
3.
Raise/lower the data using the 3 and 6 buttons.
Select and adjust the following items to obtain optimum
image.
Service Item
GEO : 00
HPS
H POSITION
01
HSZ
H SIZE
02
PAP
PIN AMP
03
TLT
TRAPEZIUM
04
VPS
V POSITION
05
VSZ
V SIZE
06
SCO
S CORRECTION
07
VLN
V LINEARITY
08
BOW AFC BOW
09
AGL
AFC ANGLE
0A
UPN
UPPER CORNER PIN
0B
LPN
LOWER CORNER PIN
VB1 VB2
VB3 VB4
VB1 = VB2 = VB3 = VB4
VB1 VB2
VB3 VB4
VB2 = VB3 = VB4
6. Press 
[MUTING]
 
→ - of the commander to write the data.
7. Adjust SAJ O1 "SHU" as step 3 to 6 when receiving TV
mode.
NORMAL MODE (60Hz)
11. Input 525/60Hz signal.
12. Using the 1 and 4 buttons select category GEO (Service
Mode).
13. Select and adjust the following items to obtain obtimum
image.
Raise/lower the data with the 3 and 6 buttons.
Service Item
GEO : 00
HPS
H POSITION
01
HSZ
H SIZE
02
PAP
PIN AMP
03
TLT
TRAPEZIUM
04
VPS
V POSITION
05
VSZ
V SIZE
06
SCO
S CORRECTION
07
VLN
V LINEARITY
08
BOW AFC BOW
09
AGL
AFC ANGLE
0A
UPN
UPPER CORNER PIN
0B
LPN
LOWER CORNER PIN
Note:
For Deflection Adjustment, set PICTURE MODE to "SOFT".
4-5. A BOARD ADJUSTMENT AFTER IC003
(MEMORY) REPLACEMENT
1.
Enter to Service Mode.
2.
Press commander buttons 5 and - (Data Initialize), and
2 and - (Data Copy) to initialize the data.
3.
Call each item number and check if the respective screen
shows the normal picture.
In cases where items are not well adjusted, rectify the fine
adjustment.
Write the data per each item number (
[MUTING]
 +-).
4.
Select item numbers “OPB00” (OP1), “OPB01” (OP2),
"OPB 02" (OP3) and "OPB 03" (OP4) respectively set the
bit per model with command buttons 3 and 6.
5.
Press commander buttons 8 and - (Test Normal) to
return to the data that was set on the shipment from the
factory.
(This will also cancel Service Mode.)
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