White Balance (Crt) And Sub Bright Adjustment; Raster Center Adjustment; Picture Distortion Adjustments; 2-9.1. Ntsc (Drc) Full Mode Adjustment - Sony TRINITRON KV-42DRC700 Service Manual

6. Adjust SUB (right) side color according to Service Mode for SHUE.
2103-2
NO. Name Control Function
03 SCOL SUB COLOR
04 SHUE SUB HUE
VB1 VB2
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 White 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. Adjust the
following parameter of CXA2150P-1:
4. Check Initial Data (Important).
CXA2150P-1
NO. Name Control Function
04 SBRT SUB-BRIGHT
2150P-1
NO. Name Control Function
00 SBOT SUB-BRT OFFSET
12 SBOF SUB-BRT OFFSET
5. Repeat Steps 2-4.
Avg. Data
Adjust
Fix: 5
VB4
VB3
Avg. Data
Fix: 46
Adjust
Adjust
Fix: 41
Adjust
Adjust
Avg. Data
20
Avg. Data
7
63

2-8. RASTER CENTER ADJUSTMENT

Preparation:
• Input a monoscope signal.
• Set to NTSC (DRC) mode.
1. Set to Service Mode and adjust as follows:
CXA2150P-2
NO. Name
06 AGNG
CXA2150D-2
NO. Name
02 HSIZ
CXA2150D-3
NO. Name
00 HBLK
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. Restore aging, HSIZ and HBLK to original condition.

2-9. PICTURE DISTORTION ADJUSTMENTS

2-9.1. NTSC (DRC) FULL MODE
ADJUSTMENT
1. Face the picture tube in an east-west direction.
2. Complete V-PIN and V-CEN adjsuments fi rst (A2150-D1 05 V-PIN,
A2150-D1 04 V-CEN).
3. Input a monoscope and crosshatch signal. Adjust the picture
distortion with the following service parameters to balance the best
condition for these two signals.
A2150-D1
A2150-D1
A2150-D1
A2150-D1
A2150-D1
A2150-D1
A2150-D1
A2150-D2
A2150-D2
A2150-D2
A2150-D2
A2150-D2
A2150-D2
A2150-D2
A2150-D2
A2150-D2
A2150-D2
A2150-D2
Note: Make sure that the picture size is within specs. Vertical size is
11.7 ± 0.1 sq. and horizontal size is 15.6 ± 0.1 sq.
4. Write data into memory and then set the screen to 1080i mode.
— 16 —
Control Function Avg. Data
AGING 1, AGING 2
Control Function Avg. Data
Horiz Size Adjust
Control Function Avg. Data
Blanking Enable
00 VPOS
01 VSIZ
02 VLIN
03 VSCO
04 VCEN
05 VPIN
07 HTPZ
01 HPOS
02 HSIZ
03 SLIN
04 MPIN
06 UCP
07 LCP
13 PPHA
14 VANG
15 LANG
16 VBOW
17 LBOW
KV-42DRC700
2
0