Sony KV-DA34M50 Service Manual ▷ View online
– 61 –
KV-DA34M50/M80/M86
RM-W105
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– 62 –
KV-DA34M50/M80/M86
RM-W105
6-3. PICTURE QUALITY ADJUSTMENTS
Adjustment condition
1. Set to service mode.
2. Set picture mode to HI-FINE.
3. Set the following condition.
1. Set to service mode.
2. Set picture mode to HI-FINE.
3. Set the following condition.
ECO MODE
: OFF
WIDE MODE
: OFF
DRC-MF
: DRC1250
3D INTELLIGENT PICTURE : ON
Input signal : Video Color Bar
RF Color Bar
MEASUREMENT POINT
A board CN4301
1
R-OUT
5
B-OUT
(1). DRIVE ADJUSTMENT
(i) SUB CONTRAST (PAL)
Input signal : PAL Color bar (100%) to Video
Picture : HI-FINE mode
Condition :
Condition :
MCP
2
RON
1
3
GON
0
4
BON
0
6
RGBL
3
7
YLMT
1
SADJ 006
PIOF
0
007
PIC
100
008
COL
0
Adjusting parameter:
MCP
12
SPIC
(ii) SUB CONTRAST (NTSC)
Input signal : NTSC Color Bar (75%) to Video
Picture : HI-FINE mode
Condition:
Picture : HI-FINE mode
Condition:
MCP
2
RON
1
3
GON
0
4
BON
0
6
RGBL
03
7
YLMT
1
SADJ 006
PIOF
0
007
PIC
100
008
COL
0
Adjusting parameter :
MCP
12
SPIC
VR1 - VR2 =
∆VR = 2.60 ± 0.07 (Vp-p) (PAL)
(
∆VR = 1.95 ± 0.07 (Vp-p)-For NTSC)
6-4.
SUB HUE/COL ADJUSTMENT
(1). SUB HUE/SUB COL (VIDEO MODE)
Input signal : NTSC Color bar (75%) or PAL Color Bar
(100%)
Picture : HI-FINE mode
Condition :
Condition :
MCP
2
RON
1
3
GON
1
4
BON
1
6
RGBL
3
7
YLMT
1
SADJ 007
PIC
60
008
COL
50
Adjusting parameter:
MCP
13
SCOL
MCP
14
SHUE
(2). SUB HUE/SUB COL (NTSC RF MODE)
Input signal : NTSC Color bar (75%) or PAL Color Bar
(100%)
Condition :
MCP
2
RON
1
3
GON
1
4
BON
1
6
RGBL
3
7
YLMT
1
SADJ 007
PIC
60
008
COL
50
Adjusting parameter:
MCP
13
SCOL
SADJ 001
SHUE
VB1 = VB4
± 70 mV
VB2 = VB3
± 70 mV
6-5.
DEFLECTION ADJUSTMENTS
FOR DRC 1250 (50Hz) MODE
1.
1.
Set to Service Mode.
2.
Input a PAL cross hatch/dot signal.
3.
Set the following condition.
Picture Mode to [DYNAMIC], Picture Rotation to [+/-0]
and Eco Mode to OFF.
Picture Mode to [DYNAMIC], Picture Rotation to [+/-0]
and Eco Mode to OFF.
4.
Set to DRC-MF1250 mode.
5.
Using the
1
and
4
button, select category DEFL
(Service Mode).
6.
Select and adjust the following items to obtain optimum
image. Raise/lower the data using the
image. Raise/lower the data using the
3
and
6
buttons.
VR1
VR2
GND
VR
VB1 VB2 VB3 VB4
VB4
NTSC
– 63 –
KV-DA34M50/M80/M86
RM-W105
Service Item
DEF1 : 0
VPOS
V POSITION
1
VSIZ
V SIZE
2
VLIN
V LINEARITY
3
VSCO
S CORRECTION
5
HPTZ
H TRAPEZOID
DEF2 : 0
HPOS
H POSITION
1
HSIZ
H SIZE
2
PIN
PIN AMP
3
UCP
UPPER CORNER PIN
4
LCP
LOWER CORNER PIN
CORRECTION POSITION
SETTING
CORRECTION POSITION
SETTING
5
PPHA
V TRAPEZOID ADJUSTMENT
6
VANG
AFC ANGLE
7
VBOW AFC BOW
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
DEF1 : 6
ASPT
VASPECT
7
SCRL
VSCROLL
DEF2 : 14 HSZO
HSIZE OFFSET
15 PINO
PIN AMP OFFSET
16 UCPO
UPPER CORNER PIN OFFSET
17 LCPO
LOWER CORNER PIN OFFSET
FOR DRC 1250 (60Hz) MODE
9.
9.
Input 525/60Hz signal.
10. Set to DRC-MF : 1250
11. Adjust the following items.
11. Adjust the following items.
Service Item
DEF2 : 13 PPHO
PIN PHASE OFFSET
14 HSZO
HSIZE OFFSET
15 PINO
PIN AMP OFFSET
16 UCPO
UPPER CORNER PIN OFFSET
17 LCPO
LOWER CORNER PIN OFFSET
FOR WIDE MODE, DRC 1250 (60Hz)
12. Set to WIDE MODE : ON
13. Adjust the following items to obtain optimum image.
13. Adjust the following items to obtain optimum image.
Raise/lower the data with the
3
and
6
buttons.
DEF 1 : 6
ASPT
VASPECT
7
SCRL
VSCROLL
DEF2 : 14 HSZO
HSIZE OFFSET
15 PINO
PIN AMP OFFSET
16 UCPO
UPPER CORNER PIN OFFSET
17 LCPO
LOWER CORNER PIN OFFSET
14.
Input a NTSC cross hatch/dot signal and repeat all
above steps.
above steps.
6-6. A BOARD ADJUSTMENT AFTER IC003
(MEMORY) REPLACEMENT
1.
Enter to Service Mode.
2.
Press commander buttons
5
and
-
(Data Initialize), and
2
and
-
(Data Copy) to initialize the data.
3.
Call each item number and check if the respective screen
shows the normal picture.
In cases where items are not well adjusted, rectify the items
with fine adjustment.
Write the data per each item number (
shows the normal picture.
In cases where items are not well adjusted, rectify the items
with fine adjustment.
Write the data per each item number (
[MUTING]
+
-
).
4.
Select item numbers “OPTB” (OPB1~OPB5) and
respectively set the bit per model with command buttons
respectively set the bit per model with command buttons
3
and
6
.
5.
Press commander buttons
8
and
-
(Test Normal) to return
to the data that was set on the shipment from the factory.
(This will also cancel Service Mode.)
(This will also cancel Service Mode.)
– 64 –
KV-DA34M50/M80/M86
RM-W105
PICTURE DISTORTION ADJUSTMENT (2)
6-7. PICTURE DISTORTION ADJUSTMENT (1)
Item Number 00 – 0B
DFF2 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
HPTZ (H TRAPEZOID)
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