DOWNLOAD Sony KV-XG29N90 Service Manual ↓ Size: 2.74 MB | Pages: 53 in PDF or view online for FREE

Model
KV-XG29N90
Pages
53
Size
2.74 MB
Type
PDF
Document
Service Manual
Brand
Device
TV
File
kv-xg29n90.pdf
Date

Sony KV-XG29N90 Service Manual ▷ View online

 32 
KV
-XG29N90
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.
Device
Functionality
Note
Data Range
Function
Note for
Register
Slava
RAM Address
Name
No
Name
Different Data
No. (bit)
Address
(bit
TXT
0
TXH
1
3
Teletext Horizontal Position
(58H)
18D (1-0)
1
TXV
0
3
Teletext Vertical Position
18D (6-4)
OPM
0
OSH
0A
3F
OSD H Position
Option-Misc.
AC (7-2)
1
COM
0
03
Comb Selection
A5 (7-6)
2
APC
1
1
APC Switch
A4 (5)
3
TSY
0
03
TV Sys at Auto TV Sys
A4 (4-3)
4
MUT
0
1
No Signal Mute
A4 (0)
5
AFM
0
1
Auto FM switch
A4 (1)
6
RFB
0
3
C-BPF Control
A5 (5-4)
7
TVO
0
7
Tilt to V-Angle offset
A5 (2-0)
8
DBL
0
1
Disable Blueback Function
A4 (2)
OPB
0
OP1
FF
FF
Optional Bits 1 (see below)
Option-Bits.
45
1
OP2
1
FF
Optional Bits 2 (see below)
46
2
OP3
0
FF
Optional Bits 3 (see below)
47
– 33 –
KV-XG29N90
RM-915
Item
KV-XG29N90
M
1
D/K
1
I
1
B/G
1
2nd. Lang
1
SECAM
1
XTAL 3.58
1
XTAL 4.43
1
ITEM INFORMATION.
No. OPB0 OP1
No. OPB1 OP2
No. OPB2 OP3
Item
KV-XG29N90
1
1
DVD Input
0
Dis Fav.
0
Thai Bil
0
HDEV
1
NICAM
0
TOP
0
Item
KV-XG29N90
Color SW
0
11 KEY
0
AV Mono
1
US ST
0
Auto TV sys
0
Auto PIC
1
2199 Curve
0
PIC Rotate
1
AV Input
– 34 –
KV-XG29N90
RM-915
SUB HUE ADJUSTMENT
1. Select Video 1.
2. Input a NTSC color-bar, video into Video 1.
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 1 ‘SHU’ with 1 and 4 of the commander by set-
ting 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 3 ‘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 3 ‘SCL’ as step 2 to 5 when receiving NTSC color-
bar.
6. Press 
[MUTING]
 
→ - of the commander to write the data.
BELL FILTER ADJUSTMENT
1. Input SECAM color-bar signal.
2. Connect the dual-trace oscilloscope to CN303 pin 9
(not mounted).
3. Adjust SERVICE MODE, ITEMS ‘SBF’ as shown below.
4-4. A BOARD ADJUSTMENT AFTER IC003
(MEMORY) REPLACEMENT
When replacing IC003 (MEMORY), be sure to change IC001 (µ-
COM) to the following new IC at the same time.
IC001(µ-CON):
CXP86449-618S
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 (
[MUTING]
 +-).
4. Select item numbers “OPB0” (OP1), “OPB1” (OP2) and
“OPB2”  (OP3) and 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.)
VB1 VB2
VB3 VB4
VB2 = VB3 = VB4
VB1 VB2
VB3 VB4
VB1 = VB2 = VB3 = VB4
– 35 –
KV-XG29N90
RM-915
4-5. 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 UCP (UPPER CORNER PIN)
GEO 0B LCP (LOWER CORNER PIN)
H-TRAPEZOID (Rotate RV1801)
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