Sony KV-XJ29N90 Service Manual ▷ View online
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29
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KV
-XJ29N90
-XJ29N90
RM-915
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.
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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7
– 30 –
KV-XJ29N90
RM-915
OPTION NOTE
OP1
OP1
AV Input
00 = no AV Input
01 = 1 AV Input
10/11 = 2 AV Input
DVD Input
Effective only when "AV Input" is set to 2 AV Input
Dis Fav.
Disable Favorite Channel (Only Effective For 21" & 14" Models Only)
PIC Rot
*1
PIC 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-TV sys
Auto TV System in Auto Program0 = 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)
Note:
*1 - For XA-21/XG25 Models Only
*2 - For XA-34/29/25 Models Only
*2 - For XA-34/29/25 Models Only
AP_XG
*1
To select the XG AP (board B6) 0: No; 1 = Yes
Note:
*1 - For XA-21/XG25 Models Only
Video NTSC3.58*
Video Colour System
0 = Multi System, 1 = Single System (NTSC3.58)
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.
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.
OP3
OP4
M
1
D/K
1
I
1
B/G
1
2nd. Lang
1
SECAM
1
XTAL 3.58
1
XTAL 4.43
1
0
DVD Input
1
Dis Fav.
0
Thai Bil
0
HDEV
1
NICAM
1
TOP
0
AV Input
Item
KV-XJ29N90
Color SW
*2&*1
1
11 KEY
0
AV Mono
*1
0
US ST
0
A-TV sys
1
Auto PIC
1
2199 Curve
*1
0
PIC Rot
*1
1
Item
KV-XJ29N90
(unused)
0
AP_XG
*1
1
Vid NTSC 3.58
0
(unused)
0
(unused)
0
(unused)
0
(unused)
0
(unused)
0
OP2
Item
KV-XJ29N90
Item
KV-XJ29N90
1
– 31 –
KV-XJ29N90
RM-915
SUB HUE ADJUSTMENT
1. Select Video 3.58.
2. Input a NTSC, color-bar, video 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 01 ‘SHU’ with 1 and 4 of the commander by
setting to Service Mode and adjust to VB1=VB2=VB3=VB4
with 3 and 6.
4-3. PICTURE QUALITY ADJUSTMENTS
SUB COLOR ADJUSTMENT
1. Input a PAL color-bar.
2. Set to the following condition:
PICTURE 100%, BRIGHTNESS 50%, COLOR 50%
3. Connect an oscilloscope to pin 1 (B OUT) of CN305, A board.
4. Set to Service Mode and select SAJ 03 ‘SCL’ with 1 and
4 of the commander then adjust to VB2=VB3=VB4 with
3 and 6.
5. Press
[MUTING]
→ - of the commander to write the data.
6. Adjust SAJ 03 ‘SCL’ as step 2 to 5 when receiving NTSC
color-bar.
6. Press
[MUTING]
→ - of the commander to write the data.
4-6. 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 items
with fine adjustment.
Write the data per each item number (
In cases where items are not well adjusted, rectify the items
with fine adjustment.
Write the data per each item number (
[MUTING]
+-).
4. Select item numbers “OPB 00” (OP1), “OPB 01” (OP2),
“OPB 02” (OP3), “OPB 03” (OP4) and respectively set the
bit per model with command buttons 3 and 6.
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.)
(This will also cancel Service Mode.)
4-4. DEFLECTION ADJUSTMENT
1.
Set to Service Mode.
2.
Input PAL color bar.
3.
Using the 1 and 4 button, select category GEO
(Service Mode).
(Service Mode).
4.
Raise/lower the data using the 3 and 6 buttons.
Select and adjust the following items to obtain optimum
image.
Select and adjust the following items to obtain optimum
image.
VB1
VB2
VB3
VB4
VB2 = VB3 = VB4
VB2 = VB3 = VB4 (Difference is within 70mV)
VB1
VB2
VB3
VB4
VB1 = VB2 = VB3 = VB4
The highest level of VB1,VB2,VB3,VB4 must be aligned at
the same line. Ideal difference level between VB2 and VB3
should be within ± 110mV.
the same line. Ideal difference level between VB2 and VB3
should be within ± 110mV.
Service Item
GEO : 00
HPS
H POSITION
01
HSZ
H SIZE
02
PAP
PIN AMP
03
TLT
TILT
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
5.
Input 525/60Hz signal.
6.
Using the 1 and 4 button select category GEO
(Service Mode).
(Service Mode).
7.
Select and adjust the following items to obtain optimum
image. Raise/lower the data with the 3 and 6 buttons.
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
TILT
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
4-5. H-TRAPEZOID ADJUSTMENT
1. Receive cross hatch/dot signal.
2. Adjust RV1801 on C6 board to make H-trapezoid distortion
best.
– 32 –
KV-XJ29N90
RM-915
4-7. PICTURE DISTORTION ADJUSTMENT (1)
Item Number 00 – 0B
PICTURE DISTORTION ADJUSTMENT (2)
GEO 0
HPS (H POSITION)
GEO 1
HSZ (H SIZE)
GEO 2
PAP (PIN AMP)
GEO 5
VSZ (V SIZE)
GEO 7
VLN (V LINEARITY)
GEO 4
VPS (V POSITION)
GEO 6
SCO (VERTICAL S-Correction)
GEO 8
BOW (AFC.BOW)
GEO 9
AGL (AFC.ANGLE)
GEO 3
TLT (TRAPEZIUM)
GEO 0A UPN (UPPER CORNER PIN)
GEO 0B LPN (LOWER CORNER PIN)
H-TRAPEZOID (Rotate RV1801)
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