Read Sony KV-32HS20 Service Manual online
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KV-32HS20/36HS20/36HS20H/32XBR450/36XBR450/36XBR450H
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
• 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.
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:
NO. Name
Control Function
Avg. Data
05 RDRV
R-DRIVE
Fix: 41
06 GDRV
G-DRIVE
Adjust
07 BDRV
B-DRIVE
Adjust
08 RCUT
R-CUT OFF
Fix: 41
09 GCUT
G-CUT OFF
Adjust
10 BCUT
B-CUT OFF
Adjust
2150P-1
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:
following parameter of CXA2150P-1:
NO. Name
Control Function
Avg. Data
04 SBRT
SUB-BRIGHT
Adjust
CXA2150P-1
INITIAL DATA (IMPORTANT)
NO. Name
Control Function
Avg. Data
00 SBOT
SUB-BRT OFFSET
7
12 SBOF
SUB-BRT OFFSET
63
2150P-1
4. Repeat steps 2-3.
2-8. RASTER CENTER ADJUSTMENT
Preparation:
• Input a monoscope signal.
• Input a monoscope signal.
• Set to NTSC (DRC) mode.
1. Set to service mode and adjsut as follows:
NO. Name
Control Function
Avg. Data
06 AGNG
AGING 1, AGING 2
2
NO. Name
Control Function
Avg. Data
02 HSIZ
Horiz Size
31
NO. Name
Control Function
Avg. Data
00 HBLK
Blanking Enable
0
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
ADJUSTMENT
1. Face the picture tube in an east-west direction.
2. Complete VPIN and VCEN adjsuments fi rst (A2150-D1 o5 VPIN,
A2150-D1 04 VCEN)
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.
condition for these two signals.
A2150-D1
00
VPOS
A2150-D1
01
VSIZ
A2150-D1
02
VLIN
A2150-D1
03
VSCO
A2150-D1
04
SCEN
A2150-D1
05
VPIN
A2150-D1
06
HTPZ
A2150-D2
01
HPOS
A2150-D2
02
HSIZ
A2150-D2
03
SLIN
A2150-D2
04
PIN
A2150-D2
05
UCP
A2150-D2
06
LCP
A2150-D2
07
PPHA
A2150-D2
08
VANG
A2150-D2
09
LANG
A2150-D2
10
VBOW
A2150-D2
11
LBOW
Note: Make sure that the picture size is within specs. Vertical size is
11.8 sq. and horizontal size is 15.8 sq.
4. Write data into memory and then set the screen to 1080i mode.
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