Sony KV-AR25M50A Service Manual ▷ View online
– 21 –
KV-AR25M50A
RM-952
3-7. 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)
– 23–
– 22 –
KV-AR25M50A
RM-952
KV-AR25M50A
RM-952
SECTION 4
DIAGRAMS
4-1. BLOCK DIAGRAM
MAIN. TUVIF
<slave: 90H>
<slave: 90H>
TU101
BTF-LG433
BTF-LG433
<slave:C0H>
YC JUNGLE
IC301
CXA2159S
CXA2159S
<slave:88H>
MONITOR
OUT
OUT
TV V in
TV L in
TV R in
TV Y in
V I Y in
V 2 Y in
46
43
4
40
41
V1 Y in
V1 L in
V1 R in
V3 Y in
V3 L in
V2 Y in
V2 L in
V2 R in
V3 R in
L out 2
R out 2
JACK BLOCK
J7402
PIN 9P
PIN 9P
VIDEO IN 1
VIDEO IN 2
VIDEO IN 3
(FRONT)
(FRONT)
AUDIO
PROSESSOR
PROSESSOR
IC7203
TDA7429S
TDA7429S
<slave: 90H>
AUDIO OUT
IC201
TA8223K
TA8223K
RED OUT
GREEN OUT
BLUE OUT
VIDEO AUP
Q701-712
Q701-712
IC1800
LA6510
LA6510
H1
SP ASSY
R out
CRT SOCKET
G out
CRT
A60LPN70X
A60LPN70X
NECK ASSY
DY
Y25RSA-Y
Y25RSA-Y
B out
R out
V out
U out
Y out
Y in
U in
V in
VM out
G out
B out
24
25
26
23
21
20
13
15
16
IK in
H. DRIVE
H. PULSE
E/W
VD+
VD-
VM DRIVE
Q5902/5906
Q5902/5906
H-OUT
Q511
2SD2578
Q511
2SD2578
V-OUT
IC503
TDA8172
IC503
TDA8172
HDT
T501
T501
H-DRIVE
Q506
2SC2785
Q506
2SC2785
PIN-CONT
IC502
NJM2903M
IC502
NJM2903M
PIN-OUT
Q505
IRF614
Q505
IRF614
PMT
T505
T505
HLT
T504
T504
FBT
T503
NX-4009
T503
NX-4009
+B
Audio Front Vcc
+9V
11V
7V
+5V
5V REG & RESET
IC002 MM1319AFBE
9V REC IC603
5V REC IC604
STB TRANS
T604
STB SW TR
Q605
2SK2845
2SK2845
SRT
T603
POWER
IC601
STR-F6656
STR-F6656
LINE FILTER
T601
THP
THP600
DGC
Additional
Color Matrix
Color Matrix
SYSTEM
u
com
IC001
CXP86461
CXP86461
RECEIVER
SBX3081-21
IC3901
IC3901
H2
SIRCS
B G R
BLK
I2L
MEMORY
IC003
M24C08
M24C08
41 40 39
34 33 32
17
28 29 30 31
R out
L out
AUDIO MIXER
IC7204 UPC4558G2
Q7310
CASIO
MIXER
CASIO
MIXER
PNC
& ADC
& ADC
A
VM1
C6
B9
LINE
FILTER
FILTER
T7601
T7602
T7602
AC CORD
(CISPR, AC fuse, A/V Input,
DVD Switch, Monitor Out)
DVD Switch, Monitor Out)
B9
J3903 3P
IC7501
SWITCH
SWITCH
J
V
U
L
R
(DVD
TERMINAL)
TERMINAL)
(CISPR, AC fuse, A/V Input,
DVD Switch, Monitor Out)
DVD Switch, Monitor Out)
(System Controller, Y/C Jungle, Deflection, Tuvif, Front Amp, Power Supply)
(Front AV IN, Key SW)
(Velocity
Modulation)
Modulation)
(Video Amp, Picture Rotation)
(Receiver Power
SW LED)
SW LED)
– 24 –
KV-AR25M50A
RM-952
4-2. CIRCUIT BOARDS LOCATION
VM1
A
B9
H2
H1
C6
J
– 25 –
KV-AR25M50A
RM-952
4-3. SCHEMATIC DIAGRAM
Note:
•
•
All capacitors are in
µF unless otherwise noted.
•
All electrolytic capacitors are rated at 50V unless otherwise
noted.
noted.
•
All resistors are in ohms.
k
k
Ω = 1000Ω, MΩ = 1000kΩ
•
Indication of resistance which does not have rating electrical
power is as follows.
power is as follows.
Pitch: 5 mm
Rating electrical power 1/4W (CHIP: 1/10W)
Rating electrical power 1/4W (CHIP: 1/10W)
•
: nonflammable resistor.
•
¢
: internal component.
•
: panel designation or adjustment for rrepair.
•
All variable and adjustable resistors have characteristic curve
B unless otherwise noted.
B unless otherwise noted.
•
Readings are taken with a color-bar signal input.
no mark
no mark
: COMMON
(
)
: PAL
[
]
: NTSC 3.58
•
Readings are taken with a 10 M
Ω digital multimeter.
•
Voltage are dc with respect to ground unless otherwise
noted.
noted.
•
Voltage variations may be noted due to normal produc-
tion tolerances.
tion tolerances.
•
All voltage are in Volt.
•
✽
: Cannot be measured.
•
Circled numbers are waveform references.
•
: B +bus.
•
: B –bus.
•
÷
: signal path.
Reference information
RESISTOR
RESISTOR
: RN
METAL FILM
: RC
SOLID
: FPRD
NONFLAMMABLE CARBON
: FUSE
NONFLAMMABLE FUSIBLE
: RS
NONFLAMMABLE METAL OXIDE
: RB
NONFLAMMABLE CEMENT
: RW
NONFLAMMABLE WIREWOUND
:
✽
ADJUSTMENT RESISTOR
COIL
: LF-8L
MICRO INDUCTOR
CAPACITOR
: TA
TANTALUM
: PS
STYROL
: PP
POLYPROPYLENE
: PT
MYLAR
: MPS
METALIZED POLYESTER
: MPP
METALIZED POLYPROPYLENE
: ALB
BIPOLAR
: ALT
HIGH TEMPERATURE
: ALR
HIGH RIPPLE
Note:
The component identified by shading and
mark
mark
! are critical for safety. Replace only
with part number specified.
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