Sony KV-AR25M61 Service Manual ▷ View online
– 29 –
KV-AR25M61
RM-995
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* + 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".
VR = 2.35 Vpp (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
110mV
VB1
VB2
VB3
VB4
VB1 = VB2 = VB3 = VB4
– 30 –
KV-AR25M61
RM-995
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-AR25M61
RM-995
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-AR25M61
RM-995
KV-AR25M61
RM-995
SECTION 5
DIAGRAMS
5-1. BLOCK DIAGRAM
PIN-OUT
Q505
IRF614
Q505
IRF614
MAIN.TUVF
TU101
BTF-WG442
<slave: C0H>
<slave: C0H>
VIDEO IN 1
VIDEO IN 2
VIDEO IN 3
MONITOR
OUT
OUT
J
(DVD,
TERMINAL)
DL
U
U
V
V
V
UV SW
A (
System controller, Y/C Jungle,Deflection,
Tuvif, Front Amp, Power Supply)
SYSTEM
Ucom
IC001
CXP750097
Ucom
IC001
CXP750097
5V REQ
& RESET
IC002
MM1319AFBE
& RESET
IC002
MM1319AFBE
MEMORY
IC003
M24C08-BN6
M24C08-BN6
RECEIVER
SBX3081-01
IC3901
IC3901
Y In
U In
V In
V Out
U Out
Y Out
B10
(Audio Processor, Audio AMP, Sub Tuner, AV IN/OUT, VM Driver)
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>
TRU Surround
IC3302
NJW1139
NJW1139
DAC IC3205
CXA1315M
<slave: 46H>
CXA1315M
<slave: 46H>
IC301
CXA2159S
<slave: 88H>
CXA2159S
<slave: 88H>
TV.R In
46
47
47
48
39
38
CN1407
TV.V In
L1 out
VL out
4
2
43
1
2
4
3
6
2
4
3
6
45
CV/Y in
C in
C in
CV/Y out
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
11
18
18
11
28
26
28
26
18
CN1304
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
Y
Y
Y
U
V
U
V
U
V
B
B
G
G
R
R
BLK
BLK
HALF
28 29 30
4 41 40
34 33 32
31
16
15
13
20
21
H DRIVE
H.PULSE
E/W
VD+
PIN-CONT
IC502
NJM2903M
IC502
NJM2903M
HLT
T504
T504
PMT
T505
T505
H-OUT
Q511
2SD2578
Q511
2SD2578
HDT
T501
T501
N/S DRIVE
IC1800
IC1800
VM DRIVE
Q5902/5906
Q5902/5906
NECK ASSY
R out
CRT SOCKET
CRT
A60LPN70X
A60LPN70X
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-
23
26
25
24
R out
G out
IK in
B out
SIRCS
I2L
11V
135V
7V
R
R
L
Y
U
V
L
C1 out
R1 out
TV.L In
STB TRANS
STB SW TR
Q605
2SK2845
Q605
2SK2845
DGC
LINE
FILTER
T601
FILTER
T601
THP
THP600
POWER
IC601
STR-F6456
IC601
STR-F6456
T604
T603
SRT
9V REG
IC603
IC603
5V REG
IC604
IC604
+B
+9V
+5V
Audio Front Voc
Text Decoder
with Ucom
IC801
SAA5261
<slave: 58H>
with Ucom
IC801
SAA5261
<slave: 58H>
RED OUT
Q703 2SC2611
VM1
(Velocity
Modulation)
Modulation)
GREEN OUT Q702 2SC2611
BLUE OUT Q701 2SC2611
H1
(Front AV IN,
Key SW)
Key SW)
C6 (
Video Amp, Rotation Circuit
)
AUDIO OUT
IC6200
TA8200AH
IC3202
Q3204/3201
Q3204/3201
DVD in
B1
(DVD switch)
V1
(Teletext)
H2
(Receiver,
Power SW, LED)
Power SW, LED)
F (Cispr)
LINE
FILTER
FILTER
T4601/4602
AC CORD
Click on the first or last page to see other KV-AR25M61 service manuals if exist.