Sony KV-AR25M86 Service Manual ▷ View online
– 29 –
KV-AR25M86
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* + 3 steps
34... 0* + 6 steps
34... 0* + 6 steps
0* : Adjusted data
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 (FOR PAL SUB COLOR ADJUSTMENT)
(Difference is within 70mV)
VB1 = VB4 (FOR NTSC SUB COLOR ADJUSTMENT)
(Difference is within 70mV)
VB1 = VB4 (FOR NTSC SUB COLOR ADJUSTMENT)
Caution : Offset steps of Sub color data should be added only
after SUB HUE adjustment is completed.
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".
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
110mV
VB1
VB2
VB3
VB4
VB1 = VB2 = VB3 = VB4
VR = 2.40 Vpp (for 34") (Difference is within 50 mVpp)
2.30 Vpp (for 29")
2.21 Vpp (for 25")
2.21 Vpp (for 25")
– 30 –
KV-AR25M86
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.)
– 31 –
KV-AR25M86
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)
– 33 –
– 32 –
KV-AR25M86
RM-993
KV-AR25M86
RM-993
SECTION 5
DIAGRAMS
5-1. BLOCK DIAGRAM
V1
(Teletext)
TU1401
IC3202
Q3204/3201
Q3204/3201
MAIN.TUVF
TU101
BTF-LG434
<slave: C0H>
<slave: C0H>
VIDEO IN 1
VIDEO IN 2
VIDEO IN 3
MONITOR
OUT
OUT
TEXT
DECODER
DECODER
SYSTEM
ucom
IC001
CXP750097
ucom
IC001
CXP750097
5V REQ
& RESET
IC002
MM1319AFBE
& RESET
IC002
MM1319AFBE
PIP
SDA9588
XB23
SDA9588
XB23
<slave : D6h>
IC4104
YCT
CXA2163
YCT
CXA2163
CXD9694
<slave : BEh>
CXD9695
CXD9696
<slave : EOh>
IC4102
TDA9181
TDA9181
Adaptive Comb Filter
<slave : 8Ah>
IC4203
IC4103
IC4301
IC4402
Q1365
Q1372
DL
MEMORY
IC003
M24C08-BN6
M24C08-BN6
RECEIVER
SBX3081
IC3901
IC3901
Y Out
Y IN
FRONT
VIDEO IN 3
VIDEO IN 3
JACK BLACK
J1402
PIN 12P
J1402
PIN 12P
with
STEREO
DECODER
(MSP3415)
<slave: 86H>
STEREO
DECODER
(MSP3415)
<slave: 86H>
AV SW
YC JUNGLE
IC1401
CXA1855S
<slave: 90H>
CXA1855S
<slave: 90H>
IC3302
NJW1139
Audio Processor
<slave:82h>
DAC IC3205
CXA1315P
<slave: 46H>
CXA1315P
<slave: 46H>
IC301
CXA2159S
<slave: 88H>
CXA2159S
<slave: 88H>
TV.V In
47
46
46
45
46
45
CN1407
TV.L In
L1 out
43
1
2
4
3
6
2
4
3
6
V1.V In
V1.L In
V1.R In
V1.Y In
V1.C In
V1.L In
V1.R In
V1.Y In
V1.C In
7
8
10
8
10
V2.V In
V2. L In
V2.R In
V2. L In
V2.R In
14
16
15
17
16
15
17
33
11
18
18
29
28
26
28
26
18
18
23
43
45
45
V3.L In
V3.R In
V3.R In
V3 CV/Y In
V3.C In
V out2
L out2
R out2
L out2
R out2
V
Y
Y
U
V
U
V
Y
C OUT
CV/Y OUT
Sub V
Y
C
U
V
V
Y
U
V
V
Y
U
V
VM
Shape
Q4318/4324
R G B
BLK
B G R
BLK
HALF
28 29 30
4 41 40
34
39
31
16
15
13
20
21
H DRIVE
H.PULSE
E/W
VD+
PIN-CONT
IC502
NJM2903D
IC502
NJM2903D
PIN-OUT
Q505
IRF614
Q505
IRF614
HLT
T504
T504
PMT
T505
T505
H-OUT
Q511
2SC4927
Q511
2SC4927
HDT
T501
T501
N/S DRIVE
IC1800
IC1800
VM DRIVE
Q5902/5906
Q5902/5906
NECK ASSY
R out
CRT SOCKET
DY
Y25RSA
Y25RSA
SP ASSY
G out
B out
FBT
T503
NX-4009
T503
NX-4009
H-DRIVE
Q506
2SC2688
Q506
2SC2688
V-OUT
IC503
TDA8172
IC503
TDA8172
VD-
25
26
25
24
R out
B out
IK in
B out
SIRCS
I2L
11V
135V
7V
R
R
L
V
U
V
L
R1 out
TV.R In
with
ucom
STB TRANS
STB SW TR
Q605
25K2845
Q605
25K2845
DGC
LINE
FILTER
T601
FILTER
T601
THP
THP600
POWER
IC601
STR-F6656
IC601
STR-F6656
T604
T603
SRT
9V REG
IC603
IC603
5V REG
IC604
IC604
+B
+9V
+5V
Audio Front Voc
+Audio 3D Vcc
-Audio 3D Vcc
IC801
SAA5261
<slave: 58H>
<slave: 58H>
RED OUT
Q703 2SC2611
GREEN OUT Q702 2SC2611
BLUE OUT Q701 2SC2611
AUDIO OUT
IC6200
TA8200AH
TA8200AH
F
(Cispr)
LINE
FILTER
T4601
T4602
FILTER
T4601
T4602
AC CORD
A (
System Controller, Y/C Jungle,Deflection,
Tuvif, Front Amp, Power Supply)
B8
(Audio AMP, Surround Processor, AV IN/OUT, VM Driver)
P5
(Picture in Picture, DVD Switch, Digital Texture Enhancer)
H2
(Receiver,
Power SW, LED)
Power SW, LED)
C6 (
Video Amp, Rotation Circuit
VM1
(Velocity
Modulation)
Modulation)
CRT
A60LPN70X
A60LPN70X
H1
(Front AV IN,
Key SW)
Key SW)
SUB TUVIF
BTF-LG434
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