Sony KLV-52X200A Service Manual ▷ View online
KLV-52X200A (CH) 2-21E
W/B adjustment in service mode
W/B adjustment in service mode
Table of lower items
Table of lower items
1 MWBTB : Table of W/B index
1 MWBTB : Table of W/B index
Custom
Custom
-
-
Standard
Standard
Vivid
Vivid
initial
initial
Warm2
Warm2
Warm1
Warm1
Neutral
Neutral
Cool
Cool
Color temperature
Color temperature
0
0
1
1
2
2
3
3
MWBTB
MWBTB
4 GAINR
5 GAING
6 GAINB : These are W/B adjustment of Highlight
Note. GAINR and GAINB have limit. Do not raise it more than the following values.
GAINR : 530 GAINB : 545
If GAING is 512, do not change value of GAING.
8 OFFR
9 OFFG
10 OFFB : These are W/B adjustment of Offset
Note. OFFG is fixation by 512. Do not change.
W/B adjustment in service mode
W/B adjustment in service mode
Writing of value
Writing of value
When W/B adjustment is finished, those value are written in DE
When W/B adjustment is finished, those value are written in DE
nvm
nvm
.
.
Push
Push
‘
‘
mute
mute
’
’
key, the mark of
key, the mark of
“
“
SERVICE
SERVICE
”
”
changes into
changes into
“
“
WRITE
WRITE
”
”
. (pic.4)
. (pic.4)
When push
When push
‘
‘
0
0
’
’
of channel key while the mark of
of channel key while the mark of
“
“
WRITE
WRITE
”
”
has gone out,
has gone out,
the character of
the character of
“
“
WRITE
WRITE
”
”
changes in
changes in
red
red
. (pic.5)
. (pic.5)
When
When
“
“
WRITE
WRITE
”
”
changes into
changes into
“
“
SERVISE
SERVISE
”
”
, writing of value end.
, writing of value end.
<Pic.4>
<Pic.5>
KLV-52X200A (CH) 3-1
3-1. BLOCK DIAGRAM
SECTION 3
DIAGRAMS
VIDEO
SW
CXA2239
TVM
MB91305
Video 1
(CV/YC)
E M M A
2Lr
HDMI 1
HDMI 2
HDMI 2
CCPXA
Main
HDMI
Rx
Sil9011
Sub
Croma
SAA7115A
DRC
M FV1
PC
M S P
4411K
L/R Out
Audio
SW
CXA2188Q
Head Phone
LVDS
Tx
To
Panel
Vortex
R
DEM
D-AMP
M61571AFP
To
SP
IFP2S
B2
AG
FXE
TUG
A-tuner(main)
EQ
Buffer
SDRAM
DDR
FLASH
Component
/CV/YC
(Video2 side)
I2S
A-AU
QSS
Delay IC
CXD9826
MUTE
RTC
UART
I2C
I2C
I2C
I2C
MUTE
MUTE
GPX
B u f f
DDR
FLASH
DDR
SDRAM
SRAM
Analog Video Signal
Analog Audio Signal
Digital Video Signal
Digital Audio Signal
I2C
I2C
UART
UART
B u f f
Video 3
HD/DVD1
splitter
RF Video(sub)
RF Video(Main)
Montor
Out
HD/DVD2
KLV-52X200A (CH) 3-3
3-3. CIRCUIT BOARDS LOCATION
Note:
•
•
Schematic diagrams and printed wiring boards of the specified boards for
board replacement service are not included in this section.
See Appendix of this manual if you need them.
board replacement service are not included in this section.
See Appendix of this manual if you need them.
•
All capacitors are in
µF unless otherwise noted. (pF: µµF)
Capacitors without voltage indication are all 50 V.
•
Indication of resistance, which does not have one for rating electrical
power, is as follows.
power, is as follows.
Pitch: 5 mm
Rating electrical power 1/4 W (CHIP : 1/10 W)
•
All resistors are in ohms.
•
: nonflammable resistor.
•
: fusible resistor.
•
: internal component.
•
: panel designation, and adjustment for repair.
•
All variable and adjustable resistors have characteristic curve B, unless
otherwise noted.
otherwise noted.
•
: earth-ground.
•
: earth-chassis.
•
When replacing the part in below table, be sure to perform the related
adjustment.
adjustment.
•
All voltages are in V.
•
Readings are taken with a 10 M
Ω digital multimeter.
•
Readings are taken with a color-bar signal input.
•
Voltage variations may be noted due to normal production tolerances.
•
*
: Names and values of parts depend on models.
•
*
: Can not be measured.
•
Circled numbers are waveform references.
•
: B + bus.
•
: B – bus.
•
: Signal path.
3-4. SCHEMATIC DIAGRAMS AND PRINTED WIRING BOARDS
G
D
S
B1 E1
C2
B2 C1
E2
2
3
4
5
6
7
8
9
0
!¡
!™
!¢
!§
!¶
!•
–
1
G
D
S
B2 E2
C1
B1 C2
E1
B2 E2
C1
B1 C2
E1
B2 E2
C1
B1 C2
E1
!ª
B1 E1
E2
C1(B2)
C2
@º
B1
E2
C1
C2
@™
@£
(B2)
E1
(B2)
E1
E2
B1
C2
C1
@¡
B1
E1
C2
B2
C1
E2
G
S
S
D
G
D
B1
E1
C2
B2
C1
E2
B1
E2
C2
C1(B2)
E2
B1
C1
C2
E1(B2)
C2
B1
C1
E2
E1(B2)
C2
B1
C1
E2
B2
E1
C2
Ver.1.6
Transistor
(FET)
(FET)
Transistor
Transistor
Transistor
Transistor
Transistor
Transistor
Transistor
Transistor
Transistor
Discrete semiconductot
(Chip semiconductors that are not actually used are included.)
Diode
Diode
Diode
Diode
Diode
Diode
Diode
Diode
Diode
Diode
Source
Source
Anode
Anode
(NC)
(NC)
Cathode
Anode
Cathode
Common
Cathode
Cathode
Common
Cathode
Cathode
Common
Common
Common
Common
Cathode
Anode
Base
Emitter
Collector
Base
Emitter
Collector
Drain
Gate
Gate
Drain
Device
Printed symbol
Terminal name
Circuit
Terminal name of semiconductors in silk screen
printed circuit ( )
Anode
Anode
Anode
Cathode
Anode
Anode
Cathode
!£
Transistor
(FET)
(FET)
Transistor
(FET)
(FET)
!∞
Emitter
Collector
Base
Transistor
Source
Gate
Drain
Cathode
Anode
Anode
Cathode
Anode
Anode
*
Note: The components identified by shading and
mark
! are critical for safety. Replace only
with part number specified.
AG board
H2 board
FXE board
B2 board
H4 board
TUG board
H1 board
H3 board
D4 board
D5 board
G2 board
Note: The components identified by mark contain
confidential information.
Strictly follow the instructions whenever the
components are repaired and/or replaced.
Strictly follow the instructions whenever the
components are repaired and/or replaced.
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