White Balance (Crt) And Sub Bright Adjustment; 2-8. Raster Center Adjustment; 2-9. Picture Distortion Adjustments; 2-9.1. Ntsc (Drc) Full Mode Adjustment - Sony TRINITRON KV-32HS20 Service Manual

COLOR: VB1 < VB4 (=VB1 + 0~90 MV)
HUE: VB2 < VB3 (=VB2 + 0~90 MV)
(HUE: Adjust data - 2 STEP)
7. Write data into memory.
2-7. WHITE BALANCE (CRT) AND SUB
BRIGHT ADJUSTMENT
Preparation
• Input an all white 480I (15.734 KHz) signal into the VIDEO 1 input
terminal to perform the whit balance (highlight, cut-off) adjustments.
The parameters to adjust are in the CXA2150P in service mode.
1. Set the following:
Picture: Full Mode
Pro Mode
Color: Center
2. 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
3. Adjust sub brightness: Input an all black signal (to IRE 7.5% set up)
480i (15.75 KHz) signal into the VIDEO 1 input terminal and adjust the
following parameter of CXA2150P-1:
CXA2150P-1
NO. Name Control Function
04 SBRT SUB-BRIGHT
INITIAL DATA (IMPORTANT)
2150P-1
NO. Name Control Function
00 SBOT SUB-BRT OFFSET
12 SBOF SUB-BRT OFFSET
4. Repeat steps 2-3.

2-8. RASTER CENTER ADJUSTMENT

Preparation:
• Input a monoscope signal.
• Set to NTSC (DRC) mode.
1. Set to service mode and adjsut as follows:
CXA2150P-2
CXA2150P-2
CXA2150P-3
2. Reduce HSIZ to see sides of raster.
3. Adjust H-Center with CXA2150D-2 00.
4. Adjust to the best screen position with H-CENT and write data.
5. Resotore aging, HSIZ and HBLK to original condition.

2-9. PICTURE DISTORTION ADJUSTMENTS

2-9.1. NTSC (DRC) FULL MODE
Avg. Data
Fix: 41
Adjust
1. Face the picture tube in an east-west direction.
Adjust
2. Complete VPIN and VCEN adjsuments fi rst (A2150-D1 o5 VPIN,
Fix: 41
A2150-D1 04 VCEN)
Adjust
3. Input a monoscope and crosshatch signal. Adjust the picture
Adjust distortion with the following service parameters to balance the best
condition for these two signals.
Avg. Data
Adjust
Avg. Data
7
63
Note: Make sure that the picture size is within specs. Vertical size is
4. Write data into memory and then set the screen to 1080i mode.
— 15 —
KV-32HS20/36HS20/36HS20H/32XBR450/36XBR450/36XBR450H
NO. Name Control Function
06 AGNG AGING 1, AGING 2
NO. Name Control Function
02 HSIZ Horiz Size
NO. Name Control Function
00 HBLK Blanking Enable
ADJUSTMENT
A2150-D1 00
A2150-D1 01
A2150-D1 02
A2150-D1 03
A2150-D1 04
A2150-D1 05
A2150-D1 06
A2150-D2 01
A2150-D2 02
A2150-D2 03
A2150-D2 04
A2150-D2 05
A2150-D2 06
A2150-D2 07
A2150-D2 08
A2150-D2 09
A2150-D2 10
A2150-D2 11
11.8 sq. and horizontal size is 15.8 sq.
Avg. Data
2
Avg. Data
31
Avg. Data
0
VPOS
VSIZ
VLIN
VSCO
SCEN
VPIN
HTPZ
HPOS
HSIZ
SLIN
PIN
UCP
LCP
PPHA
VANG
LANG
VBOW
LBOW