Sony KV-AR34M86 Service Manual ▷ View online
– 29 –
KV-AR34M86
RM-993
4-3. ADJUSTMENT FOR NON DIGITAL TEXTURE
ENHANCER (DTE) MODEL
SUB COLOR ADJUSTMENT (KV-AR25/AR29)
1. Select Video.
2. Input PAL Color Bar
3. Set to following condition PICTURE 100%, BRIGHTNESS
2. Input PAL Color Bar
3. Set to following condition PICTURE 100%, BRIGHTNESS
50%, Color 50%.
4. Connect an oscilloscope to pin 1 (BOUT) of CN305, A Board.
5. Set the service mode and select SAJ 3 ‘SCL’ with 1 and 4 of
5. Set the service mode and select SAJ 3 ‘SCL’ with 1 and 4 of
the commander then adjust the VB2=VB3=VB4 3 and 6.
6. Press
[MUTING]
→ - of the commander to write the data.
7. Input NTSC Color Bar to set and repeat items (3 to 7).
8. Select "WIDE" mode, write the "SAME DATA- 3 STEPS" for
8. Select "WIDE" mode, write the "SAME DATA- 3 STEPS" for
both PAL and NTSC Color Bar input.
SUB COLOR ADJUSTMENT (KV-AR34)
1. Select Video.
2. Input PAL Color Bar
3. Set to following condition PICTURE 100%, BRIGHTNESS
2. Input PAL Color Bar
3. Set to following condition PICTURE 100%, BRIGHTNESS
50%, Color 50%.
4. Connect an oscilloscope to pin 1 (BOUT) of CN305, A Board.
5. Set the service mode and select SAJ 3 ‘SCL’ with 1 and 4 of
5. Set the service mode and select SAJ 3 ‘SCL’ with 1 and 4 of
the commander then adjust the VB2=VB3=VB4 3 and 6.
6. Press
[MUTING]
→ - of the commander to write the data.
7. Add 6 steps and save the data.
8. Input NTSC Color Bar to TV set and repeat items 3 to 7.
9. Select "WIDE" mode, write the "SAME DATA- 3 STEPS" for
8. Input NTSC Color Bar to TV set and repeat items 3 to 7.
9. Select "WIDE" mode, write the "SAME DATA- 3 STEPS" for
both PAL and NTSC Color Bar input.
SUB HUE ADJUSTMENT
1. Select Video 1.
2. Input a NTSC 3.58 color-bar, video into Video 1.
3. Set the following condition:
2. Input a NTSC 3.58 color-bar, video into Video 1.
3. Set the following condition:
PICTURE 100%, BRIGHTNESS 50%, COLOR 50%
4. Connect an oscilloscope to pin 1 (B OUT) of CN305, A board.
5. Select SAJ 1 "SHU" with 1 and 4 of the commander by
5. Select SAJ 1 "SHU" with 1 and 4 of the commander by
setting to Service Mode and adjust to VB1=VB2=VB3=VB4
with 3 and 6.
with 3 and 6.
6. Press
[MUTING]
→ - of the commander to write the data.
7. Adjust SAJ 1 "SHU" as step 3 to 6 when receiving TV mode.
VB1
VB2
VB3
VB4
VB1 = VB2 = VB3 = VB4
The highest level of VB1,VB2,VB3,VB4 must be aligned at
the same line. Ideal difference level between VB2 and VB3
should be within ± 110mV.
the same line. Ideal difference level between VB2 and VB3
should be within ± 110mV.
VB1
VB2
VB3
VB4
VB2 = VB3 = VB4
VB2 = VB3 = VB4 (Difference is within 70mV)
± 110mV
4-4. ADJUSTMENT FOR DIGITAL TEXTURE
ENHANCER (DTE) MODEL
Y LEVEL ADJUSTMENT
1. Select Video.
2. Input PAL Color Bar to TV set (white reference 100%).
3. Set the following condition:
2. Input PAL Color Bar to TV set (white reference 100%).
3. Set the following condition:
DTE
: ON
Picture Mode : Dynamic
4. Connect an oscilloscope to pin 1 (CV/Y in) of CN106, A
Board.
5. Set to Service Mode and YCT 08 ‘YOL’ with 1 and 4 of the
commander then adjust to VY within spec with 3 and 6.
6. Then press
[MUTING]
→ - to write the data.
7. Select RF.
8. Repeat item 2 to 4.
9. Set to Service Mode and YCT 04 ‘SCT’ with 1 and 4 of the
8. Repeat item 2 to 4.
9. Set to Service Mode and YCT 04 ‘SCT’ with 1 and 4 of the
commander then adjust to VY within spec with 3 to 6.
10. Copy SCT data to NTSC (RF).
SUB COLOR (YCT) ADJUSTMENT
1. Select Video.
2. Input NTSC Color Bar.
3. Set the following condition:
2. Input NTSC Color Bar.
3. Set the following condition:
DTE
: ON
Picture Mode : Dynamic
NTSC 75% Color Bar
NTSC 75% Color Bar
4. Connect an oscilloscope to pin 2 (B-Y in) of CN303, A Board.
5. Set to Service Mode and YCT 0A ‘COL’ with 1 and 4 of the
5. Set to Service Mode and YCT 0A ‘COL’ with 1 and 4 of the
commander then adjust to VB within spec with 3 and 6.
6. Then press
[MUTING]
→ - to write the data.
7. Select RF.
8. Repeat item no 2 to 4.
9. Set to Service Mode and YCT 03 ‘COL’ with 1 and 4 of the
8. Repeat item no 2 to 4.
9. Set to Service Mode and YCT 03 ‘COL’ with 1 and 4 of the
commander then adjust the waveform within spec with 3 and
6.
6.
10. Then press
[MUTING]
→ - to write the data.
11. Input PAL Color Bar (75%) and repeat item no 8 to 10.
SCT Setting (Video Mode) : 07h (NTSC & PAL)
SPEC: VY : 1.2 Vpp ± 0.05m Vpp
SPEC
:
VIDEO
: VB = 0.931 Vpp ± 50 mVpp
RF
: VB = 0.931 Vpp ± 50 mVpp
VY
VB
– 30 –
KV-AR34M86
RM-993
4-6. DEFLECTION ADJUSTMENT
NORMAL MODE (50Hz)
1.
Set Video Mode.
2.
Using the 1 and 4 button, select category GEO
(Service Mode).
(Service Mode).
3.
Raise/lower the data using the 3 and 6 buttons.
Select and adjust the following items to obtain optimum
image.
Select and adjust the following items to obtain optimum
image.
Service Item
GEO : 00
HPS
H POSITION
01
HSZ
H SIZE
02
PAP
PIN AMP
03
TLT
TILT
04
VPS
V POSITION
05
VSZ
V SIZE
06
SCO
S CORRECTION
07
VLN
V LINEARITY
08
BOW AFC BOW
09
AGL
AFC ANGLE
0A
UPN
UPPER CORNER PIN
0B
LPN
LOWER CORNER PIN
4-5. DISPLAY POSITION ADJUSTMENT
PIP POSITION
1. Input a PAL color-bar.
2. Press PIP button of the remote commander to set the PIP
2. Press PIP button of the remote commander to set the PIP
picture.
3. Set to Service Mode.
4. Use 1 and 4 of the remote commander to select PIP 03 “HPS”
4. Use 1 and 4 of the remote commander to select PIP 03 “HPS”
and use 3 and 6 to set data “15”.
5. Select PIP 04 “VPS” to set data “2E”.
6. Press
6. Press
[MUTING]
→ - of the remote commander to write the
data.
7. Use the screen display menu changing the PIP position to check
the PIP position.
SUB COLOR (YCJ) ADJUSTMENT
1. Select Video.
2. Input PAL Color Bar to TV set.
3. Set the following condition:
2. Input PAL Color Bar to TV set.
3. Set the following condition:
Pic: 100%, Col: 50%, Brightness: 50%, DTE: OFF
4. Connect an oscilloscope to pin 2 (B output) of CN305, A
Board.
5. Set to Service Mode and SAJ 03 ‘SCL’ with 1 and 4 of the
commander then adjust to VB2 = VB3 = VB4 = with 3 and
6.
6.
6. Then press
[MUTING]
→ - to write the data.
7. Add offset steps and save the data.
Offset: 25... 0
29... 0
34... 0
34... 0
8. Input NTSC color bar to TV set and repeat item no 3 to 7.
10. Select "WIDE" mode, write the "SAME DATA - 3 STEPS" for
10. Select "WIDE" mode, write the "SAME DATA - 3 STEPS" for
both PAL and NTSC input.
SUB HUE ADJUSTMENT
1. Select Video.
2. Input NTSC 3.58 Color Bar to TV Set.
3. Set the following condition:
2. Input NTSC 3.58 Color Bar to TV Set.
3. Set the following condition:
Pic: 100%, Col: 50%, Brightness: 50%, DTE: OFF
4. Connect an oscilloscope to pin 1 (B output) of CN305, A
Board.
5. Set to Service Mode and YCT 00 ‘SHU’ with 1 and 4 of the
commander then adjust to VB1 = VB2 = VB3 = VB4 = with 3
and 6.
and 6.
6. Then press
[MUTING]
→ - to write the data.
7. Select RF.
8. Input NTSC 3.58 and repeat item no 3 and 6.
8. Input NTSC 3.58 and repeat item no 3 and 6.
The highest level of VB1, VB2, VB3, VB4 must be
aligned at the same time.
Ideal difference level between VB2 and VB3 should
be within ± 110 mVpp.
aligned at the same time.
Ideal difference level between VB2 and VB3 should
be within ± 110 mVpp.
VB2 = VB3 = VB4 (Difference is within 70mV)
VB1
VB2
VB3
VB4
VB1 = VB2 = VB3 = VB4
VB1
VB2
VB3
VB4
VB2 = VB3 = VB4
110mV
PMX ADJUSTMENT
1. Select Video (Wide mode: OFF).
2. Input PAL Color Bar to TV set.
3. Set the following condition:
2. Input PAL Color Bar to TV set.
3. Set the following condition:
Pic: 100%, Col: 50%, Brightness: 50%, DTE: OFF
4. Connect an oscilloscope to pin 3 (R output) of CN305, A
Board.
5. Set to Service Mode and SAJ 00 ‘PMX’ with 1 and 4 of the
commander then adjust to VR within spec with 3 and 6.
6. Then press
[MUTING]
→ - to write the data.
7. Select "Wide" mode, write the "SAME DATA- 5 STEPS".
VR = 2.35 Vpp
(Difference is within 50 mVpp)
(Difference is within 50 mVpp)
VP 06 RLM : 03H
17 R ON
17 R ON
: 01H
18 G ON
: 00H
19 B ON
: 00H
After adjustment, these adjustment parameters must be recovered
to the original condition.
to the original condition.
VR
– 31 –
KV-AR34M86
RM-993
WIDE MODE (50Hz)
4.
Input PAL color bar.
5.
Adjust condition change to WIDE MODE : ON.
6.
Using the 1 and 3 button, select category GEO
(Service Mode).
(Service Mode).
7.
Copy (item from normal mode (50Hz)) adjusted data for
the following item:
Service Item
the following item:
Service Item
GEO : 01
HSZ
H POSITION
05
VSZ
V POSITION
06
SCO
S CORRECTION
07
VLN
V LINEARITY
8.
Raise/lower data using 3 and 6 buttons, select and
adjust the following items to obtain optimum image.
adjust the following items to obtain optimum image.
Service Item
GEO : 00
HPS
H POSITION
02
PAP
PIN AMP
03
TLT
TILT
04
VPS
V POSITION
08
BOW AFC BOW
09
AGL
AFC ANGLE
0A
UPN
UPPER CORNER PIN
0B
LPN
LOWER CORNER PIN
9.
After confirm WIDE MODE : ON – OFF.
10.
Repeat same steps for NTSC input signal.
NORMAL MODE (60Hz)
1. Set to Service Mode.
2. Using the 1 and 4 buttons select category GEO (Service
2. Using the 1 and 4 buttons select category GEO (Service
Mode).
3. Select and adjust the following items to obtain obtimum image.
Raise/lower the data with the 3 and 6 buttons.
Service Item
GEO : 00
HPS
H POSITION
01
HSZ
H SIZE
02
PAP
PIN AMP
03
TLT
TILT
04
VPS
V POSITION
05
VSZ
V SIZE
06
SCO
S CORRECTION
07
VLN
V LINEARITY
08
BOW AFC BOW
09
AGL
AFC ANGLE
0A
UPN
UPPER CORNER PIN
0B
LPN
LOWER CORNER PIN
WIDE MODE (60Hz)
4. Input monoscope signal.
5. Adjust condition change to WIDE MODE: ON.
6. Using the 1 and 4 button select category GEO (Service
5. Adjust condition change to WIDE MODE: ON.
6. Using the 1 and 4 button select category GEO (Service
Mode).
7. Copy (item from NORMAL MODE (60Hz)) adjusted data for
the following items:
Service Item
GEO : 01
HSZ
H SIZE
05
VSZ
V SIZE
06
SCO
S CORRECTION
07
VLN
V LINEARITY
8. Raise/lower the data with the 3 and 6 buttons. Select and
adjust the following items to obtain optimum image.
Service Item
GEO : 00
HPS
H POSITION
02
PAP
PIN AMP
03
TLT
TILT
04
VPS
V POSITION
08
BOW AFC BOW
09
AGL
AFC ANGLE
0A
UPN
UPPER CORNER PIN
0B
LPN
LOWER CORNER PIN
9. After confirm WIDE MODE : ON – OFF.
Note:
For Deflection Adjustment, set PICTURE MODE to "SOFT".
4-7. H-TRAPEZOID ADJUSTMENT
1.
Receive cross hatch/dot signal.
2.
Adjust RV1801 on C6 board to make H-Trapezoid distortion
best.
best.
4-8. 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.
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 fine
adjustment.
Write the data per each item number (
shows the normal picture.
In cases where items are not well adjusted, rectify the fine
adjustment.
Write the data per each item number (
[MUTING]
→ -).
4.
Select item numbers “OPB00” (OP1), “OPB01” (OP2), "OPB
02" (OP3) and "OPB 03" (OP4) respectively set the bit per
model with command buttons 3 and 6.
02" (OP3) and "OPB 03" (OP4) 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.
to the data that was set on the shipment from the factory.
(This will also cancel Service Mode.)
– 32 –
KV-AR34M86
RM-993
4-9. PICTURE DISTORTION ADJUSTMENT (1)
Item Number 00 – 0B
PICTURE DISTORTION ADJUSTMENT (2)
GEO 1
HSZ ( H SIZE)
GEO 3
TLT (TRAPEZIUM)
GEO 0A
GEO 0B
GEO 5
GEO 0
HPS (H POSITION)
GEO 9
UPN (UPPER CORNER PIN)
LPN (LOWER CORNER PIN)
AGL (AFC. ANGLE)
GEO 8
GEO 2
PAP (PIN AMP)
GEO 4
VPS (V POSITION)
GEO 7
GEO 6
VSZ (V SIZE)
BOW (AFC. BOW)
VLN (V LINEARITY)
SCO (VERTICAL S-Correction)
H-TRAPEZOID (ROTATE RVI801)
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