Sony KLV-23S200A / KLV-26S200A / KLV-32S200A / KLV-40S200A / KLV-46S200A (serv.man2) Service Manual ▷ View online
21
KLV-23S200A/26S200A/32S200A/40S200A/46S200A
KLV-23S200A/26S200A/32S200A/40S200A/46S200A
2-5. WHITE BALANCE ADJUSTMENT
.
The White Balance only needs to be adjusted when you replace the BU
Board.
Board.
1. Through the Video 1 input, step Gray Scale with Setup.
2. Press MENU on the Remote Commander.
The User Menu displays.
DISPLAY
Channel
5
Volume
+
POWER
On.
The service menu displays.
Video 1
MAIN VER.
1009
H PACK VER.
1008
S PACK VER.
1008
CHECK SUM
E20E
NVM VER.
1006
ATI VER.
01.06
ATI UD NVM VER.
02
ATI SD NVM VER.
02
ETI
46h 39m
10. Press the button to display the white balance adjustment menu
items.
Video 1
R_DRIVE
256
B_DRIVE
256
R_BKG
512
G_BKG
512
B_BKG
512
COLOR SAVE
11. Using 10 step NTSC Gray Scale with Setup adjust the White Balance
of the 60% shade with R_Drive and B_Drive.
12. Using the same pattern, adjust the white balance 20% with R_BKG
and B_BKG.
13. 20IRE and 60IRE shades should have the same color.
20 IRE Level
60 IRE Level
20%
188mv
60%
451mv
SET-UP
56mv
10 STEP
GRAY SCALE
GRAY SCALE
Select from connected equipment
MENU
External Inputs
Analog Favorites
Digital Favorites
Analog
Digital
Settings
Select:
Exit:
Set:
MENU
3. Press the button until Settings is selected, then press the
button.
4. From the Picture menu, press the button to display the picture mode
options.
a. Press the button to select Custom, then press the
button.
5. From the Picture menu, press the button to select Color
Temperature.
a. Press the button to display the Color Temperature options.
b. Press the button to select Cool, then press the
button.
6. From the Picture menu, press the button to select Advanced
Settings.
Picture
Video 1
Target Inputs
All Inputs
Picture Mode
Custom
Reset
Backlight
Max
Picture
Max
Brightness
50
Color
50
Hue
0
Color Temperature
Cool
Sharpness
15
Noise Reduction
Low
Advanced Settings
A
A
D
D
Select:
Back:
Exit:
Set:
MENU
RETURN
7. Using the arrow keys set all the registers in the Advanced Setting
menu to Off.
Picture
Video 1
Advanced Settings
Reset
Black Corrector
Off
Contrast Enhancer
Off
Gamma
Off
Clear White
Off
Live Color
Off
MPEG Noise Reduction Off
A
A
D
D
Select:
Back:
Exit:
Set:
MENU
RETURN
8. Put the TV in standby mode. (Power off).
9. Access the Service Menu by pressing the following buttons on the
Remote Commander within a second:
22
KLV-23S200A/26S200A/32S200A/40S200A/46S200A
KLV-23S200A/26S200A/32S200A/40S200A/46S200A
SECTION 3: DIAGRAMS
3-1. CIRCUIT BOARDS LOCATION
3-2. PRINTED WIRING BOARDS AND
SCHEMATIC DIAGRAMS INFORMATION
All capacitors are in µF unless otherwise noted. pF : µµF 50WV or
less are not indicated except for electrolytics and tantalums.
less are not indicated except for electrolytics and tantalums.
All electrolytics are in 50V unless otherwise specifi ed.
All resistors are in ohms. k
Ω=1000Ω, MΩ=1000kΩ
Indication of resistance, which does not have one for rating
electrical power, is as follows:
electrical power, is as follows:
Pitch : 5mm
Rating
electrical
power
:
1
/
4
W
1
/
4
W in resistance,
1
/
10
W and
1
/
16
W in chip resistance.
: nonfl ammable resistor
: fusible resistor
: internal component
: panel designation and adjustment for repair
: earth ground
: earth-chassis
All variable and adjustable resistors have characteristic curve B,
unless otherwise noted.
unless otherwise noted.
Readings are taken with a color-bar signal input.
Readings are taken with a 10M
Ω digital multimeter.
Voltages are DC with respect to ground unless otherwise noted.
Voltage variations may be noted due to normal production
tolerances.
tolerances.
All voltages are in V.
S : Measurement impossibility.
: B+line.
: B-line. (Actual measured value may be different).
: signal path. (RF)
Circled numbers are waveform references.
The components identifi ed by shading and
!
symbol are critical for safety. Replace
only with part number specifi ed.
The symbol
indicates a fast operating fuse and is displayed on the component
side of the board. Replace only with fuse of the same rating as marked.
NOTE: The components identifi ed by a red outline and a mark contain confi dential
information. Specifi c instructions must be adhered to whenever these components
are repaired and/or replaced.
See Appendix A: Encryption Key Components in the back of this manual.
information. Specifi c instructions must be adhered to whenever these components
are repaired and/or replaced.
See Appendix A: Encryption Key Components in the back of this manual.
H3U Board
AU Board
H2U Board
H1U Board
BU Board
G1 Board (Power Unit
(KLV-23S200A/26S200A/32S200A Only)
(KLV-23S200A/26S200A/32S200A Only)
G2 Board (Power Unit)
(KLV-40S200A/46S200A Only)
(KLV-40S200A/46S200A Only)
QT Board
23
KLV-23S200A/26S200A/32S200A/40S200A/46S200A
KLV-23S200A/26S200A/32S200A/40S200A/46S200A
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
*
REFERENCE INFORMATION
RESISTOR
: RN
: RN
METAL FILM
: RC
SOLID
: FPRD NONFLAMMABLE CARBON
: FUSE NONFLAMMABLE FUSIBLE
: RW
: FUSE NONFLAMMABLE FUSIBLE
: RW
NONFLAMMABLE WIREWOUND
: RS
NONFLAMMABLE METAL OXIDE
: RB
NONFLAMMABLE CEMENT
: ADJUSTMENT
RESISTOR
COIL
: LF-8L MICRO INDUCTOR
: LF-8L MICRO INDUCTOR
CAPACITOR
: TA
: TA
TANTALUM
: PS
STYROL
: PP
POLYPROPYLENE
: PT
MYLAR
: MPS
METALIZED POLYESTER
: MPP
METALIZED POLYPROPYLENE
: ALB
BIPOLAR
: ALT
HIGH TEMPERATURE
: ALR
HIGH RIPPLE
24
KLV-23S200A/26S200A/32S200A/40S200A/46S200A
KLV-23S200A/26S200A/32S200A/40S200A/46S200A
3-3. BLOCK DIAGRAM
Analog-Component/RGB
Y/C
CVBS+Y/C
Audio (Analog)
CVBS
PC-RGB
BU
RF/Cable
Hs
/V
s
UFE
UFE
Audio
for DVI
DDRSDRAM
4M x 32bit
Main Micro
MB91305
EEP
Flash
1MByte
TMDS
I2C-C
8bit Multiplex BUS
HDMI
16bit
BUS
PC
Audio
for PC
Comp1
AV SW
CXA2069Q
Comp2
(S)Video1
(S)Video2
Video3
Audio out
(Fix/Var.)
Backlight
Inverter
Panel
䋨WXGA䋩
I2S
Chroma Dec/IP
/Scalar
Trident SVP-PXs
ECS
UART
AV mouse
Audio Amp.
HP Amp.
HP Amp.
MAP4400A
D/A
I2
C
-A
QT
AU
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