DOWNLOAD Sony KV-AR25M31 Service Manual ↓ Size: 18.45 MB | Pages: 127 in PDF or view online for FREE

Model
KV-AR25M31
Pages
127
Size
18.45 MB
Type
PDF
Document
Service Manual
Brand
Device
TV
File
kv-ar25m31.pdf
Date
PREV: Sony KV-AR34M36 Service Manual

Sony KV-AR25M31 Service Manual ▷ View online

– 33 –
KV-AR25M68/AR25M31/AR25M90
RM-993
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)
– 35 –
– 34 –
KV-AR25M68/AR25M31/AR25M90
RM-993
RM-995
KV-AR25M68/AR25M31/AR25M90
RM-993
RM-995
SECTION 5
DIAGRAMS
5-1. BLOCK DIAGRAM
PIN-OUT
Q505
IRF614
MAIN.TUVF
TU101
BTF-WG441
    <slave: C0H>
VIDEO IN 1
VIDEO IN 2
VIDEO IN 3
MONITOR
OUT
J
(DVD,
TERMINAL)
DL
U
U
V
V
UV SW
A (
System Controller, Y/C Jungle,Deflection,
       Tuvif, Front Amp, Power Supply)
SYSTEM
Ucom
IC001
CXP750097
5V REQ
& RESET
IC002
MM1319AFBE
MEMORY
IC003
M24C08-BN6
RECEIVER
SBX3081-01
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) 
(KV-AR25M31/AR25M90)
FRONT
VIDEO IN 3
JACK BLACK
   J1402
   PIN 12P
     with
     STEREO
     DECODER
  (MSP3415)
     <slave: 86H>
AV SW
YC JUNGLE
IC1401
CXA1855S
<slave: 90H>
TRU Surround
   IC3302
   NJW1139
DAC IC3205
       CXA1315M
<slave: 46H>
IC301
CXA2159S
<slave: 88H>
TV.R In
46
47
48
39
38
CN1407
TV.V In
L1 out
VL out
4
2
43
1
2
4
3 
6
45
CV/Y in
C in
CV/Y out
V1.V In
V1.L In
V1.R In
V1.Y In
V1.C In
7
8
10
V2.V In
V2. L In
V2.R In
14
16
15
17
11
18
11
28
26
18     
CN1304
V3.L In
V3.R In
V3 CV/Y In
V3.C In
V 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
HLT
T504
PMT
T505
H-OUT
Q511
2SD2578
HDT
T501
N/S DRIVE
IC1800
VM DRIVE
Q5902/5906
NECK ASSY
R out
CRT SOCKET
CRT
M68LNH070X
(KV-AR25M90)
A60LPN70X
(KV-AR25M31/
 AR25M68) 
DY
Y25RSA
SP ASSY
G out
B out
FBT
T503
NX-4009
H-DRIVE
Q506
2SC2688
V-OUT
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
DGC
LINE
FILTER
T601
THP
THP600
POWER
IC601
STR-F6456
T604
T603
SRT
9V REG
IC603
5V REG
IC604
+B
+9V
+5V
Audio Front Voc
Text Decoder
with Ucom
IC801
SAA5261 
<slave: 58H> 
RED OUT
Q703 2SC2611
VM1
(Velocity
Modulation)
GREEN OUT Q702 2SC2611
BLUE OUT Q701 2SC2611
H1
(Front AV IN,
Key SW)
C6 (
Video Amp, Rotation Circuit
)
AUDIO OUT
IC6200
TA8200AH
IC3202
Q3204/3201
DVD in
B1
 (DVD Switch) (KV-AR25M31/AR25M90)
V1
(Teletext)  
(KV-AR25M31)
H2 
(Receiver, 
 Power SW, LED)
F (Cispr)
LINE 
FILTER
T4601/4602
AC CORD
(FOR KV-AR25M31/AR25M90)
– 37 –
– 36 –
KV-AR25M68/AR25M31/AR25M90
RM-993
RM-995
KV-AR25M68/AR25M31/AR25M90
RM-993
RM-995
V1
(Teletext)  
(Not used for this model)
IC3202
Q3204/3201
MAIN.TUVF
TU101
BTF-WG441   
    <slave: C0H>
VIDEO IN 1
VIDEO IN 2
VIDEO IN 3
MONITOR
OUT
TEXT
DECODER
SYSTEM
Ucom
IC001
CXP750097
5V REQ
& RESET
IC002
MM1319AFBE
PIP
SDA9588
     XB23
              <slave : D6h>
IC4104
YCT
CXA2163
CXD9694
<slave : BEh>
CXD9695
CXD9696
<slave : EOh>
IC4102
TDA9181
Adaptive Comb Filter
<slave : 8Ah>
IC4203
IC4103
IC4301
IC4402
Q1365
Q1372
DL
MEMORY
IC003
M24C08-BN6
RECEIVER
SBX3081
IC3901
Y Out
Y IN
FRONT
VIDEO IN 3
JACK BLACK
   J1402
   PIN 12P
     with
     STEREO
     DECODER
  (MSP3415)
     <slave: 86H>
AV SW
YC JUNGLE
IC1401
CXA1855S
<slave: 90H>
IC3302
NJW1139
Audio Processor
<slave:82h>
DAC IC3205
       CXA1315P
<slave: 46H>
IC301
CXA2159S
<slave: 88H>
TV.V In
47
46
45
46
45
CN1407
TV.L In
L1 out
43
1
2
4
3 
6
V1.V In
V1.L In
V1.R In
V1.Y In
V1.C In
7
8
10
V2.V In
V2. L In
V2.R In
14
16
15
17
11
18
29
28
26
18  
18  
23
43
45
V3.L In
V3.R In
V3 CV/Y In
V3.C In
V out2
L out2
R out2
V
Y
Y
U
V
U
V
Y
C OUT
CV/Y OUT
Sub V
Y
C
U
V
Y
U
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
PIN-OUT
Q505
IRF614
HLT
  T504
PMT
T505
H-OUT
Q511
2SC4927
HDT
T501
N/S DRIVE
IC1800
VM DRIVE
Q5902/5906
NECK ASSY
R out
CRT SOCKET
DY
Y25RSA
SP ASSY
G out
B out
FBT
T503
NX-4009
H-DRIVE
Q506
2SC2688
V-OUT
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
DGC
LINE
FILTER
T601
THP
THP600
POWER
IC601
STR-F6656
T604
T603
SRT
9V REG
IC603
5V REG
IC604
+B
+9V
+5V
Audio Front Voc
+Audio 3D Vcc
-Audio 3D Vcc
IC801
SAA5261
<slave: 58H>
RED OUT
Q703 2SC2611
GREEN OUT Q702 2SC2611
BLUE OUT Q701 2SC2611
AUDIO OUT
IC6200
  TA8200AH
F
 (Cispr)
LINE
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) 
(KV-AR25M68)
P5 
(Picture in Picture, DVD Switch, Digital Texture Enhancer) 
(KV-AR25M68)
H2 
(Receiver, 
 Power SW, LED)
C6 (
Video Amp, Rotation Circuit
VM1
(Velocity
Modulation)
CRT
M68LNH070X
(KV-AR25M90)
A60LPN70X
(KV-AR25M31/
 AR25M68) 
H1
(Front AV IN,
Key SW)
(FOR KV-AR25M68 ONLY)
– 38 –
KV-AR25M68/AR25M31/AR25M90
RM-993
RM-995
5-2. CIRCUIT BOARDS LOCATION
C6 Board
H2 Board
A Board
V1 Board
(KV-AR25M31 ONLY)
J Board
B10 Board
B1 Board
F Board
H1 Board
VM1 Board
C6 Board
H2 Board
A Board
V1 Board
(Not used for this model)
J Board
B8 Board
P5 Board
F Board
H1 Board
VM1 Board
(FOR KV-AR25M68)
(FOR KV-AR25M31/AR25M90)
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