Picture Distortion Adjustments; Ntsc (Drc) Full Mode Adjustment; Raster Center Adjustment - Sony Trinitron KV-32XBR400 Service Manual

Trinitron color tv
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3. Adjust white balance in the service mode and set the
following data:
2150P-1
No.
Name
Control Function
05
RDRV
R-DRIVE
06
GDRV
G-DRIVE
07
BDRV
B-DRIVE
08
RCUT
R-CUT OFF
09
GCUT
G-CUT OFF
10
BCUT
B-CUT-OFF
4. Adjust sub-brightness: Input an all black signal (to IRE 7.5%
set up) 480i (15.75KHz) signal into the VIDEO 1 input
terminal and adjust the following parameter of the
CXA2150P-1.
CXA2150P-1
No.
Name
Control Function
04
SBRT
SUB-BRIGHT
5. Check INITIAL DATA (Important)
2150P-1
No.
Name
Control Function
00
SBOT
SUB-BRT OFFSET
12
SBOF
SUB-BRT OFFSET
6. Repeat steps 3 to 5.

3-8. RASTER CENTER ADJUSTMENT

1. Input a monoscope signal.
2. Set to NTSC (DRC) mode.
3. Enter service mode and set the following:
CXA2150P-2
No.
Name
Control Function
06
AGNG
AGING1, AGING2
CXA2150D-2
No.
Name
Control Function
02
HSIZ
Horiz Size
CXA2150D-3
No.
Name
Control Function
00
HBLK
Blanking enable
4. Reduce HSIZ to see sides of raster.
5. Adjust H-Center with CXA2150D-2 00.
6. Adjust the best screen position with H-CENT and write data.
7. Restore aging, HSIZ and HBLK to original condition.
KV-32XBR400/36XBR400/36XBR400H/38DRC1/38DRC1C

3-9. PICTURE DISTORTION ADJUSTMENTS

3-9-1. NTSC (DRC) Full mode adjustment

1. Face picture tube to east or west direction.
Avg. Data
2. Complete VPIN and VCEN adjustment first. (A2150-D1 05
Fix: 41
VPIN, A2150-D1 04 VCEN)
Adjust
Adjust
3. Input a monoscope and a cross-hatch signal. Adjust picture
Fix: 41
distortion with the following service parameters to balance
Adjust
the best condition for these two signals.
Adjust
A2150-D1
A2150-D1
A2150-D1
A2150-D1
A2150-D1
A2150-D1
A2150-D1
A2150-D2
A2150-D2
Avg. Data
A2150-D2
Adjust
A2150-D2
A2150-D2
A2150-D2
A2150-D2
A2150-D2
Avg. Data
A2150-D2
7
A2150-D2
63
A2150-D2
Make sure picture size is within specs. Vertical size is 11.8 sq.
and Horizontal size is 15.8 sq.
4. Write data into memory then set screen to 1080i Mode.
CXA2150D-1
0.
VPOS ( V-POSITION)
Avg. Data
2
1.
VSIZ (V-SIZE)
Avg. Data
31
2.
VLIN (V-LINE)
Avg. Data
0
3.
VSCO (VS-COR)
7. HTPZ (H-TRAPEZOID)
— 21 —
00
VPOS
01
VSIZ
02
VLIN
03
VSCO
04
VCEN
05
VPIN
07
HTPZ
01
HPOS
02
HSIZ
03
SLIN
05
PIN
06
UCP
07
LCP
13
PPHA
14
VANG
15
LANG
16
VBOW
17
LBOW

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