Sony KV-SW293M81 Service Manual ▷ View online
– 29 –
KV-SW293M81
RM-GA002
3-3-4. SUB BRIGHT ADJUSTMENT
1. Set TV to RF mode.
2. Input PAL monoscope to RF mode (OTHER model) and
2. Input PAL monoscope to RF mode (OTHER model) and
NTSC monoscope (NTSC model).
3. Set Brightness to 50% and Picture to “MINIMUM”.
4. Select WHBL 010 “SBRT” with 1 and 4 button and
4. Select WHBL 010 “SBRT” with 1 and 4 button and
adjust its data using 3 and 6 button so that the Cut
Off level and slightly glimmer is as the specification
below:-
Off level and slightly glimmer is as the specification
below:-
5.
Write into the memory by pressing [MUTING]
t -.
6. Copy the adjusted data WHBL 010 “SBRT” to Video
mode.
7. Once adjustment is completed in RF and Video mode,
carry out adjustment in DVD mode. Repeat step 2 to 3.
Select WHBL 010 “SBRT” and adjust its data as the
specification below:-
Select WHBL 010 “SBRT” and adjust its data as the
specification below:-
3-4. GEOMETRY ADJUSTMENT
3-4-1. H-TRAPEZOID ADJUSTMENT
1.
Receive cross hatch/dot signal.
2.
Adjust RV1800 on C Board to make H-Trapezoid
distortion best/to obtain the center illustration shown in
Table 1.
distortion best/to obtain the center illustration shown in
Table 1.
3-4-2. NORMAL MODE 50Hz / 60Hz
1.
Input PAL Special Color Bar (SPCB) or PAL Monoscope
(OTHER model) and Video mode or NTSC Monoscope
(NTSC model) signal using a pattern generator.
(OTHER model) and Video mode or NTSC Monoscope
(NTSC model) signal using a pattern generator.
2.
Set Wide Mode to “OFF”.
3.
Select Category items listed in Table 1.
4.
Raise and Lower the data value using 3 and 6 button
to obtain the center illustration.
to obtain the center illustration.
5.
Press [MUTING]
t - to save the data into the memory.
6.
For Korea models, copy adjusted 60Hz to 50Hz. Add 6
steps to 50Hz “HPOS” and 3 steps to 50Hz “HSIZ” and
save the data.
steps to 50Hz “HPOS” and 3 steps to 50Hz “HSIZ” and
save the data.
TV size
Cut Off
Slightly Glimmer
25"
10 IRE
20 IRE + 2 steps
29"
10 IRE
20 IRE + 2 steps
34"
10 IRE
20 IRE + 2 steps
28"
10 IRE
20 IRE
32"
10 IRE
20 IRE
TV size
Cut Off
Slightly Glimmer
25"
10 IRE
20 IRE + 2 steps
29"
10 IRE
20 IRE
34"
10 IRE
20 IRE + 2 steps
28"
10 IRE
20 IRE
32"
10 IRE
20 IRE
3-4-3. WIDE MODE 50Hz / 60Hz
(V Compression Adjustment)
(V Compression Adjustment)
1.
Input PAL Special Color Bar (SPCB) (OTHER model) or
Monoscope NTSC (NTSC model) signal using a pattern
generator.
Monoscope NTSC (NTSC model) signal using a pattern
generator.
2.
Set Wide Mode to “ON”.
3.
Copy NORMAL MODE 50Hz/60Hz adjusted data for the
following items:-
GEOM: 011 VSIZ, 010 VSLP, 012 SCOR and 003 VLIN
following items:-
GEOM: 011 VSIZ, 010 VSLP, 012 SCOR and 003 VLIN
4.
Select Category items listed in Table 1 except GEOM:
003 VLIN, 010 VSLP, 011 VSIZ, and 012 SCOR and
adjust the data to obtain the center illustration.
003 VLIN, 010 VSLP, 011 VSIZ, and 012 SCOR and
adjust the data to obtain the center illustration.
5.
Press [MUTING]
t - to save the data into the memory.
6.
For Korea models, copy adjusted 60Hz to 50Hz. Add 6
steps to 50Hz “HPOS” and save the data.
steps to 50Hz “HPOS” and save the data.
Category
Function
Illustration
GEOM 000
H Position
(HPOS)
GEOM 001
H Parallelogram
(HPAR)
GEOM 002
H Bow
(HBOW)
GEOM 003
Linearity
(VLIN)
GEOM 005
EW Width
(HSIZ)
Note: Adjust HSIZ
16.6 + -(SPCB) _ 50Hz
14.8 + -(PAL Monoscope) _ 50Hz
15.3 + -(NTSC Monoscope) _ 60Hz
14.8 + -(PAL Monoscope) _ 50Hz
15.3 + -(NTSC Monoscope) _ 60Hz
GEOM 006
EW Parabola/Width
(EWPW)
GEOM 007
EW Upper Corner
(UCOP)
Parabola
GEOM 008
EW Lower Corner
(LCOP)
Parabola
GEOM 009
EW Trapezoid
(EWTZ)
GEOM 011
V-Amplitude
(VSIZ)
Note: Adjust VSIZ
12.6 + -(SPCB) _ 50Hz
11.3 + -(PAL Monoscope) _ 50Hz
11.7 + -(NTSC Monoscope) _ 60Hz
11.3 + -(PAL Monoscope) _ 50Hz
11.7 + -(NTSC Monoscope) _ 60Hz
GEOM 012
S-Correction
(SCOR)
GEOM 013
V-Shift
(VPOS)
– 30 –
KV
-SW293M81
-SW293M81
RM-GA002
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
* FM Radio Function (STEREO model)
Mon
out
AV1
AV3
in
AV2
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
DQP
H Def
DF
DQP
VM
RGB Amp
Rot Amp
LCC 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
– 31 –
KV-SW293M81
RM-GA002
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.
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.
•
: fusible resistor.
•
¢
: internal component.
•
: panel designation or adjustment for repair.
•
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 10M
Ω 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.
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:-
<
+B
002:16F
Meaning: Block 001 joint "+B" is connected to Block
002 joint "+B" located at grid 16F.
002 joint "+B" located at grid 16F.
A Board
C Board
F1 Board
H7 Board
VM Board
J3 Board
H4 Board
F2 Board
KV-SW293M81
RM-GA002
KV-SW293M81
RM-GA002
4-3-1. C Board Schematic Diagram
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
– 32 –
– 33 –
250V
10
C751
1SS244-T-72
1SS244-T-72
1SS244-T-72
D754
C783
1000p
B
1
1P
CN702
GND
2SA1175-HFE
Q1800
1
1P
CN705
GND
1
3
4
WHT
3P
CN703
200V
GND
H1
5MM
JW1713
25V
1000
C1809
10
C1804
D756
250V
4.7
C781
D781
XX
XX
Q701
JW1751
XX
C782
1SS119-25
D1803
GP08D
D750
1
2
3
WHT
3P
CN1802
N/S COIL-
NC
N/S COIL+
1
CN704
1P
1000V
1000V
10uH
L750
GP08D
D1808
D1804
XX
1 2
9
8
7
6
5
4
3
TDA6108AJF/N1
RGB AMPLIFIER
IC751
B IN
G IN
R IN
GND
IK
VDD
R OUT
G OUT
B OUT
RD5.6ESB2
PROTECT
D782
47k
RV1800
C759
XX
B
D755
D780
XX
2kV
4700p
E
C752
JW3880
C3800
D3801
XX
XX
XX
XX
XX
XX
XX
XX
XX
XX
XX
R3808
R3814
D3800
C3801
XX
JW752
XX
JW753
XX
JW754 XX
FPRD
R1803
1.2
1.2
R1802
FPRD
1
2
3
4
5
CN3800
LC(B)
LC(E)
GND
7V
11V
1SS133T-77
1SS133T-77
D783
B
C784
1000p
D784
250V
0.1
C753
PT
XX
XX
XX
XX
XX
D785
D786
D787
2kV
E
C786
4700p
1
1P
CN706
GND
1
1P
CN707
GND
1
2
3
4
5
6
7
7P
CN701
WHT
GND
B OUT
G OUT
G OUT
R OUT
GND
1K
9V
2kV
E
C787
4700p
XX
JW1881
XX
JW1880
3 5
6
7
8
9
10
11
13
1
4
J752
XX
R774
150
3W
RS
47uH
L753
47uH
L754
R3816
XX
250V
4.7
C754
47uH
L752
C785
3
4
5
6
7
8
9
10
11
13
1
GND
GND
1
J751
145154411
KTC3199GR-TP
Q1804
AMPLIFIER
BUFFER
22
C756
XX
XX
C791
GND_3
GND_3
XX
JW1826
XX
JW1830
JW3820
JW3815
1 5
4
3
2
6 7 8 9
10
IC1800
XX
NS DRIVE
1 5
4
3
2
6 7 8 9
10
IC3800
XX
XX
JW1831
XX
XX
JW1832
JW3821
JW3822
XX
XX
XX
XX
XX
XX
XX
XX
XX
C3802
JW1833
XX
JW3824
XX
25V
100
C1803
SG700
1 2
9
8
7
6
5
4
3
IC3801
1 2
9
8
7
6
5
4
3
IC1801
AN15530A
XX
JW1825
XX
JW1821
XX
JW1804
JW3801
XX
MSD601-RT1
PWM AMP
Q1802
MSD601-RT1
MUTE SW
Q1801
Q3800
Q3802
1
2
3
4
5
6
7
RED
7P
CN1801
VD+
GND
5V
15V
11V
ROT_CTRL
ROT_SW
1
R794
68p
C789
68p
C790
680
R752
68p
C788
1/2W
1k
R756
1/2W
1k
R757
1/2W
1k
R758
R1815
220k
RN-CP
110M
RV750
0.1W
R3801
L780
5MM
5MM
25V
47
C1800
L751
150uH
XX
R776
1/2W
100
R765
R796
10k
R1828
RN-CP
R3810
XX
4.7k
R1806
RN-CP
R768
XX
10k
R1809
RN-CP
XX
R1822
R3807
XX
R3818
XX
R775
10k
R1816
RN-CP
XX
R783
R3815
XX
XX
XX
R778
XX
R1823
XX
R1801
1/2W
100
R763
XX
R1825
R786
XX
XX
XX
R1824
1/2W
R795
100
R1821
XX
R3812
R713
XX
R3809
1/2W
100
R764
XX
R777
680
R754
680
R753
R3813
XX
XX
R1811
R797
R1814
2.2k
RN-CP
1/2W
560k
R773
R766
XX
R1813
2.2k
RN-CP
R784
XX
R3800
XX
R1826
10k
R1810
RN-CP
1k
R1800
XX
R1812
1/2W
470k
R780
R3811
XX
R785
XX
XX
R3817
R3806
XX
10k
R1827
RN-CP
R767
XX
XX
R1829
1k
R1805
RN-CP
R3804
RN-CP
R1830
330
1/10W
4.7k
R1808
RN-CP
R3802
R3819
XX
R3805
1/2W
100
R760
3W
RS
R781
1.5
XX
R787
SG701
FV
RCV
C
TO A (Block 002)
CN507
TO ROTATION COIL
ROTATION
CIRCUIT
LANDING CORRECTION
CIRCUIT
RGB AMPLIFIER
TO A (Block 002)
CN512
TO L.C. COIL
TO FBT
TO A (Block 002)
CN505
TO A (Block 001)
CN004
FV
GND
!
RGB/AMP/Rotation/Landing Correction
5V
11V
5V
5V
7V
7V
7V
7V
7V
11V
7V
B-BX1L(05)13028-IRN.-C..-SW293
RECTIFIER
ROTATION AMP
PROTECT
PROTECT
PROTECT
PROTECT
PROTECT
PROTECT
LCC AMP
LCC AMP
PROTECT
PROTECT
PWM AMP
MUTE SW
PROTECT
PROTECT
PROTECT
PROTECT
RGB LIMITER
RGB LIMITER
RGB LIMITER
BUFFER
CHIP
CHIP
CHIP
151942111
151942111
1
4
5
6
3
2
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