Sony bg3r chassis kv-ar29k90 Service Manual
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KV-AR29K90
RM-996
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
(not used for this model)
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
≤ 110mV
VB4
VB1 = VB2 = VB3 = VB4
VB1
VB2
VB3
VB4
VB2 = VB3 = VB4
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