Sony KV-AR253M50 Service Manual ▷ View online
– 33 –
KV-AR253M50
RM-W104
V. SIZE ADJUSTMENT (VSIZ)
1. Input Monoscope signal.
2. Activate the Service Mode.
3. Select theVSIZ item with
2. Activate the Service Mode.
3. Select theVSIZ item with
1
and
4
.
4. Adjust value of VSIZ with
3
and
6
for the best vertical
size.
5. Press [MUTING] then
-
to save into the memory.
V. CENTER ADJUSTMENT (VPOS)
1. Input Monoscope signal.
2. Activate the Service Mode.
3. Select VPOS item with
2. Activate the Service Mode.
3. Select VPOS item with
1
and
4
.
4. Adjust value of VPOS with
3
and
6
for the best vertical
size.
5. Press [MUTING] then
-
to save into the memory.
V. LINEARITY (VLIN), S CORRECTION (SCOR), EW
PARABOLA/WIDTH (EWPW), AND EW TRAPEZIUM
(EWTZ) ADJUSTMENTS
PARABOLA/WIDTH (EWPW), AND EW TRAPEZIUM
(EWTZ) ADJUSTMENTS
1. Input Monoscope signal.
2. Activate the Service Mode.
3. Select VLIN, SCOR, EWPW, and EWTZ with
2. Activate the Service Mode.
3. Select VLIN, SCOR, EWPW, and EWTZ with
1
and
4
.
4. Adjust with
3
and
6
for the best picture.
5. Press [MUTING] then
-
to save into the memory.
EW TRAPEZIUM (EWTZ)
EW PARABOLA/WIDTH (EWPW)
S CORRECTION (SCOR)
VERTICAL LINEARITY (VLIN)
EW UPPER CORNER PARABOLA (UCOP)
EW LOWER CORNER PARABOLA (LCOP)
HORIZONTOLPARALLELOGRAM (HPAR)
HORIZONTOL BOW (HBOW)
HORIZONTOL PARALLELOGRAM (HPAR), H BOW
(HBOW), UPPER PIN (UCOP) AND LOW PIN (LCOP)
ADJUSTMENTS
(HBOW), UPPER PIN (UCOP) AND LOW PIN (LCOP)
ADJUSTMENTS
1. Input Monoscope signal.
2. Activate the Service Mode.
3. Select the HPAR, HBOW, UCOP, and LCOP with
2. Activate the Service Mode.
3. Select the HPAR, HBOW, UCOP, and LCOP with
1
and
4
.
4. Adjust with
3
and
6
for the best picture.
5. Press [MUTING] then
-
to save into the memory.
– 34 –
KV
-AR253M50
-AR253M50
RM-W104
SECTION 4
DIA
GRAMS
4-1.
BLOCK DIA
GRAM
VIF
SAW
SIF
SAW
MAIN
Power
Supply
Stdby
Power
FSS TUNER
Y
U
V
L
R
24.576MHz
DVD in
Rear AV in
Front AV in
Mon out
Mon
out
AV1
AV2
in
AV3
in
DVD
in
AC in ~
110 ~ 220V
CISPR/
PFC
Relay
LOW B
Stdy 3.3
AUDIO VCC
L
Audio Amp
ATT
NVM
V Def
H Def
DF
DQ P
H Def
DF
DQ P
VM
RGB Amp
LCC Amp
Rot Amp
6W
R
6W
L,R
H
P
P
EW, Hd
L,R
V+, V-
PWM
RGB
SIRCS
KEY
buttons
PLL
I/O Port
I/O Port
VIF & SIF
POWER
Color
Decoder
YUV
Processor
Jungle
RGB
A
D
C
C
D
A
C
Stereo,
DSP
Micro
Text
CC & V-chip
LED
+B
– 35 –
KV-AR253M50
RM-W104
4-2. CIRCUIT BOARDS LOCATION
4-3. SCHEMATIC DIAGRAM INFORMATION
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.
kΩ = 1000Ω, MΩ = 1000kΩ
kΩ = 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.
•
: fusible resistor.
•
¢
: internal component.
•
: panel designation or adjustment for repair.
•
All variable and adjustable resistors have characteristic curve B
unless otherwise noted.
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 10MΩ digital multimeter.
•
Voltage are dc with respect to ground unless otherwise
noted.
noted.
•
Voltage variations may be noted due to normal production
tolerances.
tolerances.
•
All voltage are in Volt.
•
✽
: Cannot be measured.
•
Circled numbers are waveform references.
•
: B +bus.
•
: B –bus.
•
k
: signal path.
Note: The reference number which starts with Wxxx
(eg: W003) indicates a wire to wire connection.
Note: Components marked as XX are not fitted on this
model.
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.
Note: “A” board schematic diagram is divided into 3 blocks.
Each block is named by its function and block “number”.
eg: Processor/Audio/Tuner/Jack (Block 001)
Joint connection between boards can be identified using
the block number followed by the grid's guide.
eg: Processor/Audio/Tuner/Jack (Block 001)
Joint connection between boards can be identified using
the block number followed by the grid's guide.
eg: -<+B
002 : 16F
Meaning: Block 001 joint "+B" is connected to Block 002
joint "+B" located at grid 16F.
joint "+B" located at grid 16F.
A Board
C Board
F Board
H1 Board
VM Board
J1 Board
H2 Board
KV-AR253M50
RM-W104
KV-AR253M50
RM-W104
– 36 –
– 37 –
4-3-1. C Board Schematic Diagram
FFFJHJH
HVHHGKJHJKH
A
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
B
C
D
E
F
G
H
I
J
250V
10
C751
HSS82-TJ
HSS82-TJ
D754
XX
R1824
C783
1000p
B
1
1P
CN702
GND
2SA1175-HFE
Q1800
XX
R776
1
1P
CN705
GND
XX
R1822
R786
XX
1
3
4
WHT
3P
CN703
200V
GND
H1
5MM
JW1713
25V
1000
C1809
10
C1804
HSS82-TJ
D756
110M
RV750
250V
4.7
C781
1
R794
D781
XX
R784
XX
XX
Q701
XX
R777
1/2W
560k
R773
47
C1800
5MM
JW1751
XX
R1811
XX
C782
XX
R1812
1/2W
100
R763
XX
R1825
1SS119-25
D1803
GP08D
D750
XX
R783
1
2
3
WHT
3P
CN1802
N/S COIL-
NC
N/S COIL+
L751
XX
1
CN704
1P
1000V
10uH
L750
XX
R775
GP08D
D1808
XX
R1801
D1804
XX
1/2W
100
R765
9
8
7
6
5
4
3
TDA6108AJF/N1
IC751
B IN
G IN
R IN
GND
IK
VDD
R OUT
G OUT
B OUT
RD5.6ESB2
D782
47k
RV1800
C759
XX
B
D755
1/2W
100
R764
R767 XX
R766
XX
XX
R1823
D780
XX
XX
R778
2kV
4700p
E
C752
R713
XX
R768
XX
R785
XX
5MM
JW3880
C3800
XX
D3801
XX
R3807
XX
R3808
XX
R3814
XX
D3800
C3801
XX
JW752
XX
JW753
XX
JW754
XX
XX
R1826
R3815
XX
R3805
XX
FPRD
R1803
3.3
3.3
R1802
FPRD
1
2
3
4
5
CN3800
LC(B)
LC(E)
GND
7V
11V
820
R753
1/2W
470k
R780
1SS133T-77
D783
B
C784
1000p
1/2W
R795
100
1SS133T-77
D784
250V
0.1
C753
PT
1SS133T-77
D785
1SS133T-77
D786
1SS133T-77
D787
2kV
E
C786
4700p
1
XX
CN706
GND
1
XX
CN707
GND
1
2
3
4
5
6
7
7P
CN701
WHT
GND
B OUT
G OUT
R OUT
GND
1K
9V
2kV
E
C787
4700p
5MM
JW1881
5MM
JW1880
3
5
6
7
8
9
10
11
13
1
4
J752
XX
R774
150 3W RS
47P
C789
47P
C790
47uH
L753
47uH
L754
1/2W
2.2K
R757
1/2W
2.2K
R758
R3816
XX
R3806
XX
R3811
XX
R3813
XX
3W RS
R781
1.5
250V
4.7
C754
47uH
L752
820
R754
820
R752
10
C785
3
4
5
6
7
8
9
10
11
13
1
GND
GND
1
J751
KTC3199GR-TP
Q1804
22
C756
47P
C788
1/2W
2.2K
R756
1/2W
100k
R760
XX
C791
GND_3
GND_3
5MM
JW1826
5MM
JW1830
5MM
JW3820
5MM
JW3815
4
3
2
IC1800
XX
4
3
2
IC3800
XX
JW1831
XX
5MM
JW1832
5MM
JW3821
JW3822
XX
C3802
XX
5MM
JW3823
JW1833
XX
JW3824
XX
25V
100
C1803
R3810
XX
SG700
470
R796
220
R797
9
8
7
6
5
4
3
IC3801
9
8
7
6
5
4
3
IC1801
AN15530A
5MM
JW1825
5MM
JW1821
R1821
XX
4.7k
R1808
RN-CP
5MM
JW1804
JW3801
XX
4.7k
R1806
RN-CP
10k
R1805
RN-CP
10k
R1809
RN-CP
10k
R1810
RN-CP
10k
R1828
RN-CP
10k
R1816
RN-CP
R1815
220
RN-CP
10k
R1827
RN-CP
R1813
2.2k
RN-CP
R1814
2.2k
RN-CP
MSD601-RT1
Q1802
MSD601-RT1
Q1801
R3800
XX
XX
R3804
R3818
R3809
R3812 XX
Q3800
Q3802
R3802
XX
XX
R3801 XX
XX
XX
XX
XX
XX
R3817
XX
R1829
1K
R1800
22uH
L780
XX
R787
1
2
3
4
5
6
7
WHT
7P
CN1801
VD+
GND
5V
15V
11V
ROT_CTRL
ROT_SW
FV
RCV
TO A BOARD
CN507
TO ROTATION COIL
ROTATION
CIRCUIT
(RGB AMP/ROTATION/LANDING CORRECTION)
RGB AMPLIFIER
TO A BOARD
CN512
&
TO L.C. COIL
TO FBT
TO A BOARD
CN505
TO A BOARD
CN004
FV
GND
PROTECTOR
PROTECT
PROTECT
PVM AMP
AMPLIFIER
AMPLIFIER
BUFFER
CLAMP
PROTECTOR
PROTECTOR
PROTECTOR
PROTECTOR
RGB AMPLIFIER
NS DRIVE
3
4
5
6
C
5V
11V
5V
200V
1000V
200V
B-BX1L04-...-C..-AR253M50
XX
H
KG
G2
CV KRG1 G4 HV
KB
PICTURE TUBE
145154411
RN
XX
(A60LPN70X)
25V
CHIP
CHIP
CHIP
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