DOWNLOAD Sony KV-DB29M30 Service Manual ↓ Size: 10.59 MB | Pages: 127 in PDF or view online for FREE

Model
KV-DB29M30
Pages
127
Size
10.59 MB
Type
PDF
Document
Service Manual
Brand
Device
TV
File
kv-db29m30.pdf
Date
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– 61 –
KV-DB29M30/M61/M90
RM-GA001
6-3. PICTURE QUALITY ADJUSTMENTS
Adjustment condition
1. Set to service mode.
2. Set picture mode to CUSTOM.
3. Set the following condition.
INTELLIGENT PICTURE
: OFF
DRC-MF
: DRC1250
ECO MODE
: OFF
NR
: OFF
Input signal : PAL VIDEO COLOR BAR (White & Color 100%)
576i COLOR BAR (White & Color 100%)
MEASUREMENT POINT
Input signal : NTSC VIDEO COLOR BAR
(White & Color 75%)
480i COLOR BAR (White & Color 75%)
A board CN4301
0
R-OUT 
➔ VR
6
B-OUT 
➔ VB
6-3(1). DRIVE ADJUSTMENT
(i) SUB CONTRAST (PAL)
Input signal : PAL (100%) Color bar to Video 1
Picture : CUSTOM mode
Condition :
MCP 002 RON
1
003 GON
0
004 BON
0
006 RGBL
3
007 YLMT
1
SADJ 001 PIOF
0
Under Picture Menu :
Picture
100
Color
0
Adjusting parameter:
MCP 012 SPIC
(ii) SUB CONTRAST (NTSC)
Input signal : NTSC (75%) Color Bar to Video 1
Picture : CUSTOM mode
Condition:
MCP 002 RON
1
003 GON
0
004 BON
0
006 RGBL
3
007 YLMT
1
SADJ 001 PIOF
0
Under Picture Menu :
Picture
100
Color
0
Adjusting parameter :
MCP 012 SPIC
6-4. SUB HUE/COL ADJUSTMENT
6-4(1). SUB HUE/SUB COL (VIDEO MODE)
Input signal : NTSC (75%) Color bar or PAL (100%)
 Color Bar to Video 1.
Picture : CUSTOM mode
Condition :
MCP 002 RON
1
003 GON
1
004 BON
1
006 RGBL
3
007 YLMT
1
Under Picture Menu :
Picture
60 (for multi models)
Color
50 (for multi models)
Adjusting parameter:
MCP 013 SCOL
SADJ 000 SHUE
After Adjustment, apply offset steps to SCOL and save the
data.
6-4(2). SUB HUE (NTSC RF MODE)
Input signal : NTSC (75%) Color bar to RF
Condition :
MCP 002 RON
1
003 GON
1
004 BON
1
006 RGBL
3
007 YLMT
1
Under Picture Menu :
Picture
60 (for multi models)
Color
50 (for multi models)
Adjusting parameter:
SADJ 000
SHUE
VB1 = VB3 = VB4 ± 70 mV
VB1 = VB4 ± 70 mV
VB2 = VB3 ± 70 mV
Inch
Offset for PAP/2 Tuner Models and for Non-PAP/1 Tuner models
34"
Adjusted + 1 step
32"
Adjusted + 1 step
29"
Adjusted + 3 steps
VR1
VR2
GND
VB1 VB2 VB3
VB4
PAL
VB1 VB2 VB3
VB4
NTSC
– 62 –
KV-DB29M30/M61/M90
RM-GA001
6-4(4). SUB COLOR (TWIN MODE)
Apply offset steps from adjusted SCOL (VIDEO MODE)
data & save the data.
Adjusting parameter : MCP
013
SCOL
6-5. DEFLECTION ADJUSTMENTS
FOR DRC 1250 (50Hz) MODE
1. Set to Service Mode.
2. Input a PAL cross hatch/dot signal.
3. Set the following condition.
Picture Mode to [VIVID], Picture Rotation to [+/-0] and
Eco Mode to OFF.
4. Set to DRC-MF1250 mode.
5. Using the 
1
 and 
4
 button, select category DEF 1
(Service Mode).
6. Select and adjust the following items to obtain optimum
image. Raise/lower the data using the 
3
 and 
6
 buttons.
6-4(3).480i INPUT / 576i INPUT
Input Signal : 480i 75% Color Bar or 576i 100% Color Bar
to HD / DVD1
(i) SUB CONTRAST
Condition :
MCP
002
RON 1
006 RGBL 3
003
GON 0
007 YLMT 1
004
BON 0
SADJ
001
PIOF 0
Under Picture Menu :
Picture
100
Color
0
Adjusting parameter : MCP
012
SPIC
(ii) SUB COLOR & SUB HUE ADJUSTMENT
Condition :
MCP
002
RON 1
006
RGBL 03
003
GON 1
007
YLMT 1
004
BON 1
Under Picture Menu :
Picture
60 (for multi models)
Color
50 (for multi models)
Adjusting parameter : MCP
013
SCOL
014
SHUE
VR1- VR2 =
VR = 2.20 ± 0.07 Vp-p (For 576i 100% color bar)
= 1.56 ± 0.07 Vp-p (For 480i 75% color bar)
(For DB GA multi models only)
Inch
Offset for PAP/2 Tuner Models and for Non-PAP/1 Tuner models
34"
Adjusted + 1 step
32"
Adjusted + 1 step
29"
Adjusted + 1 step
Inch
Offset from adjusted SCOL(VIDEO MODE)data
34"
+5 steps
32"
+5 steps
29"
+5 steps
VR1
VR2
GND
VB1 VB2 VB3
VB4
For sub Hue 
adjustment
– 63 –
KV-DB29M30/M61/M90
RM-GA001
Service Item
DEF 1 : 000 VPOS V POSITION
001 VSIZ
V SIZE
002 VLN
V LINEARITY
003 VSCO S CORRECTION
005 HTPZ
H TRAPEZOID
DEF 2 : 000 HPOS H POSITION
001 HSIZ
H SIZE
002 PIN
PIN AMP
003 UCP
UPPER CORNER PIN
004 LCP
LOWER CORNER PIN
006 VANG AFC ANGLE
007 VBOW AFC BOW
RBLK = 33 + (24-HPOS)/2 (for 29" only)
RBLK = 32 + (28-HPOS)/2 (for 34")
LBLK = 50 + (26-HPOS) (HPOS>26 for 34")
7. Write into the memory by pressing [MUTING] then 
-
 on
the remote commander.
FOR WIDE MODE, DRC1250 (50Hz)
8. Adjust condition change to WIDE MODE : ON.
Service Item
DEF 1 : 006 ASPT VASPECT
007 SCRL VSCROLL
DEF 2 : 015 PINO
PIN AMP OFFSET
016 UCPO UPPER CORNER PIN OFFSET
017 LCPO LOWER CORNER PIN OFFSET
FOR DRC 1250 (60Hz) MODE
9. Input 525/60Hz signal.
10. Set to DRC-MF : 1250
FOR WIDE MODE, DRC 1250 (60Hz)
11. Set to WIDE MODE : ON
12. Adjust the following items to obtain optimum image.
Raise/lower the data with the 
3
 and 
6
 buttons.
DEF 1 : 006 ASPT
VASPECT
007 SCRL
VSCROLL
DEF2 : 015 PINO
PIN AMP OFFSET
016 UCPO UPPER CORNER PIN OFFSET
017 LCPO LOWER CORNER PIN OFFSET
13. Input a NTSC cross hatch/dot signal and repeat all
above steps.
– 64 –
KV-DB29M30/M61/M90
RM-GA001
PICTURE DISTORTION ADJUSTMENT (2)
6-6. PICTURE DISTORTION ADJUSTMENT (1)
Item Number 00 – 0B
DEF2 1
HSIZ (H SIZE)
DEF2 5
PPHA (TRAPEZIUM)
DEF2 3
UCP (UPPER CORNER PIN)
DEF2 4
LCP (LOWER CORNER PIN)
DE1 1
VSIZ (V SIZE)
DEF2 0
HPOS (H POSITION)
DEF2 6
VANG (AFC.ANGLE)
DEF2 7
VBOW (AFC.BOW)
DEF2 2
PIN (PIN AMP)
DEF1 10 VPOS (V POSITION)
DEF1 2
VLIN (V LINEARITY)  
DEF1 3
VSCO (VERTICAL S-Correction)
DEF1  5
HTPZ (H TRAPEZOID)
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