Page 1
Self Diagnosis
Supported model
HISTORY INFORMATION FOR THE FOLLOWING MANUAL:
SERVICE / TRAINING MANUAL
AZ3FK Chassis
ORIGINAL MANUAL ISSUE DATE: 6/2012
Version Date Subject
1.0 6/04/2012 Original Manual Release Date
Segment: P-2L
LCD Digital Color TV
9-883-889-01
Page 2
Self Diagnosis
Supported model
SERVICE / TRAINING MANUAL
AZ3FK Chassis
Segment: P-2L
KDL-40EX455
LCD Digital Color TV
9-883-889-01
Page 3
MODEL LIST
MODEL COMMANDER DESTINATION MODEL COMMANDER DESTINATION
KDL-22EX355 RM-YD081 CHILE/PERU
KDL-40EX455 RM-YD081 CHILE/PERU
KDL-22EX355 RM-YD081 VENEZUELA
KDL-32EX355 RM-YD081 CHILE/PERU
KDL-32EX355 RM-YD081 VENEZUELA
KDL-32EX356 RM-YD081 CHILE/PERU
KDL-40EX455 RM-YD081 VENEZUELA
KDL-40EX456 RM-YD081 CHILE/PERU
9-883-889-01
Page 4
TABLE OF CONTENTS
Cautions and Warnings ...................................................................................ii
Section 1 - Features and Overview ................................................................1
Features ........................................................................................................1
Specications ................................................................................................1
Chassis Overview .......................................................................................... 3
Overall Circuit Description ............................................................................. 4
Main Board ...............................................................................................4
Power Supply Board ................................................................................. 4
IR Board .................................................................................................... 4
Switch Unit ................................................................................................ 4
LCD Panel Assembly ................................................................................5
Section 2 - Troubleshooting ...........................................................................6
Overview .......................................................................................................6
Updating the Software ..............................................................................6
Self Diagnosis Function ................................................................................. 6
Standby LED Blink Count .........................................................................6
Viewing the Self Check Diagnosis History ................................................ 7
Triage Chart ...................................................................................................8
Section 3 - Flow Charts and Diagrams ..........................................................9
Block Diagram ...............................................................................................9
No Power ................................................................................................ 10
Standby LED Blinking ............................................................................. 12
No Video .................................................................................................13
Section 4 - Disassembly/Part Number Information ....................................15
Table-Top Stand and Rear Cover Removal .................................................15
Main Board (A) and Power Supply Board (GE22/GL5/GL8) Removal ........ 16
KDL-22EX355 Only ................................................................................16
KDL-32EX355/32EX356/40EX455/40EX456 Only ................................. 17
LCD Brackets and LCD Panel Removal ...................................................... 18
KDL-22EX355 Only ................................................................................18
KDL-32EX355/32EX356/40EX455/40EX456 Only ................................. 19
Cleaning the LCD Panel .........................................................................19
Connectors ..................................................................................................20
Screws ........................................................................................................ 20
Accessories and Packaging ........................................................................21
Optional Accessories ...................................................................................21
Wire Dressing .............................................................................................. 22
Section 5 - Updates and Adjustments .........................................................23
Overview .....................................................................................................23
Software Updates for Customers ................................................................23
Software Updates for Servicers ................................................................... 23
Software Update Responsibility .............................................................. 24
Checking the Software Version ...............................................................24
Examples of Software Correctable Symptoms .......................................24
Overview .....................................................................................................25
Updating the Software ................................................................................. 25
Selecting the Panel ID Code .......................................................................26
Accessing Factory Adjustment Mode ..........................................................27
Adjusting the Color Temperature ............................................................27
Appendix A: Encryption Key Components ...............................................A-1
KDL-22EX355/32EX355/32EX356/40EX455/40EX456 i
Page 5
CAUTIONS AND WARNINGS
CAUTION
These servicing instructions are for use by qualied service personnel only.
To reduce the risk of electric shock, do not perform any servicing other than
that contained in the operating instructions unless you are qualied to do so.
WARNING!!
An isolation transformer should be used during any service to avoid possible
shock hazard, in case of live chassis.
!
SAFETY-RELATED COMPONENT WARNING!!
There are critical components used in LCD color TVs that are important for
safety. These components are identied with shading and
schematic diagrams and the parts list. It is essential that these critical parts
be replaced only with the part number specied in the parts list to prevent
electric shock, re, or other hazard.
!
mark on the
NOTE: Do not modify the original design without obtaining written permission
from the manufacturer or you will void the original parts and labor warranty.
KDL-22EX355/32EX355/32EX356/40EX455/40EX456 ii
Page 6
CAUTIONS AND WARNINGS
KDL-40EX455/40EX456
KDL-22EX355
SETTING UP AND CARRYING THE TV
● Disconnect all cables when carrying the TV.
● Carry the TV with the adequate number of people; larger size TVs require two or more people.
● Correct hand placement while carrying the TV is very important for safety and to avoid damage.
KDL-32EX355/32EX356
USE CAUTION WHEN HANDLING THE LCD PANEL
When repairing the LCD panel, be sure you are grounded by using a wrist band.
When installing the LCD panel on a wall, the LCD panel must be secured using the 4 mounting holes on the rear cover.
1. Do not press on the panel or frame edge to avoid the risk of electric shock.
2. Do not scratch or press on the panel with any sharp objects.
KDL-22EX355/32EX355/32EX356/40EX455/40EX456 iii
3. Do not leave the module in high temperatures or in areas of high humidity for an extended period of time.
4. Do not expose the LCD panel to direct sunlight.
5. Avoid contact with water. It may cause a short circuit within the module.
6. Disconnect the AC power when replacing the backlight or inverter circuit.
(High voltage occurs at the inverter circuit at 650Vrms.)
7. Always clean the LCD panel with a soft cloth material.
8. Use care when handling the wires or connectors of the inverter
circuit. Damaging the wires may cause a short.
9. Protect the panel from ESD to avoid damaging the electronic
circuit (C-MOS).
10. During the repair, DO NOT leave the Power On for more than
1 hour while the TV is face down on a cloth.
Page 7
CAUTIONS AND WARNINGS
CLEANING THE LCD PANEL
CAUTION: When cleaning the TV, be sure to unplug the power cord to avoid any chance of electric shock.
Clean the cabinet of the TV with a dry soft cloth.
Wipe the LCD screen gently with a soft cloth.
; Stubborn stains may be removed with a cloth slightly moistened with a solution of mild soap and warm water.
; If using a chemically pretreated cloth, please follow the instruction provided on the package.
; Never use strong solvents such as a thinner, alcohol or benzine for cleaning.
; Periodic vacuuming of the ventilation openings is recommended to ensure proper ventilation.
; Do Not use paper towels, any type of abrasive pad, rags, rubber or vinyl materials to clean the screen. Using these materials could easily scratch the
screen which may result in permanent damage.
; Do Not use any cleaning product containing alkaline/acid cleaner, scouring powder, or volatile solvent, such as alcohol, ammonia, benzine, thinner or
insecticide. Using any of these harsh cleaners may result in permanent damage to the screen.
; Do Not spray water or detergent directly onto the TV screen . If liquid drips into the bottom of the screen it may cause a failure.
KDL-22EX355/32EX355/32EX356/40EX455/40EX456 iv
Page 8
CAUTIONS AND WARNINGS
To Exposed Metal
Parts on Set
0.15 µF
Earth Ground
AC
Voltmete
r
(0.75V)
Trouble Light
SAFETY CHECK-OUT
After correcting the original service problem, perform the following safety
checks before releasing the set to the customer:
1. Check the area of your repair for unsoldered or poorly soldered
connections. Check the entire board surface for solder splashes
and bridges.
2. Check the interboard wiring to ensure that no wires are pinched or
touching high-wattage resistors.
3. Check that all control knobs, shields, covers, ground straps, and
mounting hardware have been replaced. Be absolutely certain that
you have replaced all the insulators.
4. Look for unauthorized replacement parts, particularly transistors,
that were installed during a previous repair. Point them out to the
customer and recommend their replacement.
5. Look for parts which, though functioning, show obvious signs of
deterioration. Point them out to the customer and recommend their
replacement.
6. Check the line cords for cracks and abrasion. Recommend the
replacement of any such line cord to the customer.
7. Check the antenna terminals, metal trim, metallized knobs, screws,
and all other exposed metal parts for AC leakage. Check leakage
as described in “Leakage Test”.
The AC leakage from any exposed metal part to earth ground and from all
exposed metal parts to any exposed metal part having a return to chassis,
must not exceed 0.5 mA (500 microamperes). Leakage current can be
measured by any one of three methods.
1. A commercial leakage tester.
Follow the manufacturers’ instructions provided with the tester.
2. A battery-operated AC milliammeter.
LEAKAGE TEST
3. Measuring the voltage drop across a resistor by means of a VOM
or battery-operated AC voltmeter. The limit indication is 0.75 V, so
analog meters must have an accurate low voltage scale. Nearly all
battery-operated digital multimeters that have a 2 VAC range are
suitable. (see Figure A)
Figure A. Use an AC voltmeter to check AC leakage.
HOW TO FIND A GOOD EARTH GROUND
The cover-plate retaining screw on most AC outlet boxes is at earth ground.
Verify the AC outlet box retaining screw ground by connecting a 60W to
100W incandescent (not a neon or uorescent lamp) between the hot side of
the receptacle and the retaining screw. Try both slots, if necessary, to locate
the hot side on the line; the lamp should light at normal brilliance if the screw
is at ground potential. (see Figure B)
AC Outlet Box
Figure B. Checking for earth ground.
KDL-22EX355/32EX355/32EX356/40EX455/40EX456 v
Page 9
SECTION 1 - FEATURES AND OVERVIEW
Sistema
Sistema de TV Analógico: NTSC / PAL-M / PAL-N
Digital: SBTVD-T
Cobertura de canalesVHF: 2-13
UHF: 14-69
CATV (Analógico): 1-135
Sistema del panelPanel LCD (pantalla de cristal líquido) Iluminación LED de fondo
Salida de bocinasKDL-40EX456/40EX455: 8 W + 8 W
KDL-32EX356/32EX355: 8 W + 8 W
KDL-22EX355: 5 W + 5 W
Tomas de entrada/salida
CABLE/ANTENNA Terminal externo de 75 ohm para entrada de señal de radiofrecuencia
VIDEO IN 1/2VIDEO: 1 Vp-p, 75 ohm no equilibrado, sincronización negativa
AUDIO: 500 mVrms (Típico) / Impedancia: 47 kiloohmios
COMPONENT IN YP
BPR
(video componente): Y: 1,0 Vp-p, 75 ohm no equilibrado, sincronización negativa /
P
B
: 0,7 Vp-p, 75 ohm / PR: 0,7 Vp-p, 75 ohm
Formato de señal: 480i, 480p, 576i/p, 720p , 1 080i, 1 080p
AUDIO: 500 mVrms (Típico) / Impedancia: 47 kiloohmios
HDMI IN 1/2 HDMI: Video: 480i, 480p, 576i/p, 720p, 1 080i, 1 080p, 1 080/24p
Audio: PCM lineal de dos canales 32; 44,1 y 48 kHz; 16; 20 y 24 bits, Dolby Digital
Entrada de PC
AUDIO OUT i Salida de audio, Auriculares (miniconector)
DIGITAL AUDIO OUT
(OPTICAL)
Salida de audio óptica digital (PCM/Dolby Digital)
avitisop ,mho 57 ,p-pV 7,0 ,ocigólana BGR ,sotcatnoc 51 ed D arutainimbuSNI CP
Consulte la tabla de referencia de la señal de entrada de la PC para PC y HDMI IN
PC/HDMI IN 1 AUDIO IN Minitoma estéreo, 500 mVrms, (Típico) / Impedanc
ia: 47 kiloohmios
oediv y acisúm ,otoF :553XE22/553XE23/554XE04-LDKBSU
KDL-40EX456/32EX356: Foto y video
FEATURES
The AZ3FK chassis is one of several designs for the 2012 model line of
Sony Bravia® LCD televisions. This manual covers the following models:
KDL-22EX355
KDL-32EX355
KDL-32EX356
KDL-40EX455
KDL-40EX456
The BRAVIA® Sync™ EX45x series LED LCD HDTV
● Brilliant Full HD (1080p) picture quality
● Four HD inputs for a cable box, PS3™ and more1
● Share your pictures on the big screen via USB input
● Crisp detail & contrast w/ Clear Resolution Enhancer
● Optimized picture based on what you’re watching
1. Cables sold separately.
2. Syncs with BRAVIA® Sync or Theatre Sync™ products.
KDL-22EX355/32EX355/32EX356/40EX455/40EX456 1
● Less grain & a clear picture w/ Digital Noise Reduction
● Theater-like movie viewing with 24p True Cinema
● One remote for multiple devices with BRAVIA® Sync™2
SPECIFICATIONS
Page 10
SECTION 1 - FEATURES AND OVERVIEW
•
•E
Nombre de modelo KDL-40EX456
KDL-40EX455
KDL-32EX356
KDL-32EX355
KDL-22EX355
Corriente y otras especicaciones
Requisitos de alimentación 110-240 V CA, 50/60 Hz
Consumo energético
en uso
en espera Menos de 0,2 W con 120 V CA y con 240 V CA menos de 0,3 W
Tamaño de pantalla*
(medido diagonalmente)
Resolución del monitor 1920 puntos (horizontales) ×
Bocina/Gama completa (2)
Dimensiones* con soporte (mm)
sin soporte (mm) 941 × 577 × 72 753 × 471 × 71 534 × 348 × 64
patrón de los oricios de
montaje mural (mm)
tamaño de tornillos de
montaje mural (mm)
Accesorios suministradosControl remoto RM-YD081 (1) / Pilas tipo AA (2) / Manual de instrucciones (1 ) / Guía de
común para todos los
modelos
Accesorios opcionales Cables de conexión / Kit de correa de soporte / Soporte de montaje mural: SU-WL500
1080 líneas (vertic ales)
(mm)
conguración rápida (1) / Manual de seguridad (1)
ensamble de la base de soporte (1) / Soporte de sobremesa (1 juego) / Tornillos (3)
(solo KDL-40EX456/40EX455) / SU-WL100 (solo KDL-32EX356/32EX355/22EX355)
40
941 × 617 × 233 753 × 509 × 213534 × 376 × 147
300 × 300200 × 100100 × 100
M6 (8~12 mm) M4 (6,5~10 mm)
31,5
(clase 32)
1366 puntos (horizontales) × 768 líneas (verticales)
/ Licencia del software (1) / Guía de
(clase 22)
La disponibilidad de los accesorios opcionales dependerá de las existencias.
l diseño y las especicaciones están sujetos a cambios sin previo aviso.
W 43W 97W 401
21,6
001 × 53001 × 04
7,48,79,11 )gk( etropos noc*oseP
4,42,71,11 )gk( etropos nis
KDL-22EX355/32EX355/32EX356/40EX455/40EX456 2
Page 11
SECTION 1 - FEATURES AND OVERVIEW
CHASSIS OVERVIEW
The primary circuits in the AZ3FK chassis consist of a Main Board (A Board), Power Supply Board (GE22 Board for the 22” models, GL8 Board for the 32”
models, and GL5 Board for the 40” models), the IR Board (H Board), the Switch Unit, and the LCD Panel Assembly which includes the TCON Board and the
Inverter MT Board.
NOTE: For connector part number information, refer to “Connectors” on page 20. For Wire Dressing information, refer to “Wire Dressing” on page 22.
A
G
SWITCH
UNIT
H
BOARD LAYOUT FOR ALL MODELS
KDL-22EX355/32EX355/32EX356/40EX455/40EX456 3
Page 12
SECTION 1 - FEATURES AND OVERVIEW
OVERALL CIRCUIT DESCRIPTION
“Block Diagram” on page 9 provides an overview of the AZ3FK chassis.
The following are descriptions of the boards and their functions.
MAIN BOARD
Common to all models utilizing the AZ3FK chassis, the Main Board contains
most of the video processing circuitry along with all audio processing.
Control of the television is accomplished via a CPU embedded within the
MT5389 processor. Below is a list of the key components located on the
Main Board.
TUNER
The tuner is a combination ATSC/NTSC unit. It can receive traditional
analog NTSC signals via cable or terrestrial along with ATSC digital signals
via terrestrial (8VSB) or cable (64 or 256 QAM).
MT5389 PROCESSOR
This IC performs the majority of the necessary audio and video processing
on the Main Board.
Analog Video Input Switch: All analog video sources are selected and
A/D converted and scaled (if necessary) to 1920 X 1080p 60HZ resolution.
Digital Audio and Video Decoder: The MPEG2 and Digital Dolby audio
streams are received from the tuner for decompression. All video sources
which are not native 1920 X 1080p 60HZ are scaled to this resolution.
Digital audio content is output to the class D amplier for processing and
amplication.
Audio Processing: Analog audio sources are selected and A/D converted
directly by the MT5389. The audio information is then processed digitally.
Digital audio from the tuner and HDMI sources is also input and processed.
Class D amplier provides the drive for the speakers.
HDMI Input and Switching: The customer can select the HDMI1 through
HDMI4 input. Each HDMI input contains a dedicated EDI NVM (not shown)
to provide display information data to any device connected via the HDMI
inputs.
CPU: The CPU internal to the MT5389 processor controls all aspects of
the television functions. Input from the user along with monitoring of critical
circuits is also performed by this CPU.
LVDS Transmitter: Integrated into the MT5389 is a Low Voltage Differential
Signaling (LVDS) transmitter. This circuit converts the 8-bit parallel RGB
video information into a set of high speed serial lines for noise-free
transmission to the TCON circuits located internally to the LCD panel.
POWER SUPPLY BOARD
There are 3 different Power Supply boards used in the models in this
manual. The type of board depends on the size of LCD panel. They are:
● GE22 for the 22” models
● GL8 for the 32” models
● GL5 for the 40” models
There are 2 distinct sections on the power supply:
Standby Supply: Continuously operational as long as AC power is applied,
the standby supply generates 3.3VDC for the circuits requiring power while
the unit is turned off. An unregulated 15-volt line is present to provide power
to the main relay, PFC and main power supply at turn-on.
Main Supply: Once the power supply receives a power-on command from
the CPU on the A board, the main switching supply is turned on to provide
a regulated 12V source, a dedicated un-regulated 15V for the audio circuits
and an unregulated 24V source for the inverter circuit.
IR BOARD
Designated as the H Board, the IR Board contains the power, standby, and
timer LED’s that is located on this board along with the IR remote receiver
and light level sensor.
SWITCH UNIT
This board contains the power, channel and volume up/down, and menu
buttons.
KDL-22EX355/32EX355/32EX356/40EX455/40EX456 4
Page 13
SECTION 1 - FEATURES AND OVERVIEW
LCD PANEL ASSEMBLY
The LCD Panel Assembly includes the LCD Panel, TCON Board, and LED
Backlight system.
The LCD Panel contains the actual liquid crystals, color lters, and
polarizers. The liquid crystals are manipulated by the applied voltage to
pass a specic amount of light - from the backlight - depending on the level
of voltage applied.
The TCON performs all the control, timing, charge, and discharge functions
driving the operation of the LCD Panel.
A new LCD Panel Assembly from parts will include the following items.
● LCD Panel
● TCON Board
● Inverter MT Board
TCON BOARD
The TCON Board communicates between the LCD Panel and the
microprocessor on the Main Board.
NOTE: The TCON Board is not available as a replacement part for all
models. To determine if the TCON Board is available as a replacement
part, refer to the LCD Panels Manual.
INVERTER MT BOARD
The inverter receives the unregulated 24V from the Power Supply Board
and generates the required high voltage AC to power the backlight lamps. A
control line to turn on the inverter (backlights on) is used in conjunction with
a dimmer control to vary the light level of the CCFL lamps.
KDL-22EX355/32EX355/32EX356/40EX455/40EX456 5
Page 14
SECTION 2 - TROUBLESHOOTING
Self Diagnosis
Supported model
OVERVIEW
This chapter provides information regarding the Self Diagnosis feature in
our TVs.
UPDATING THE SOFTWARE
The Self Diagnosis function is designed to provide information regarding
the problem with the TV, however, there are several issues that may be
resolved by updating the TV software to the latest version. Most symptoms
that are correctable by software updates involve communications issues
with other devices or minor glitches in the operation of a specic function.
Below is a list of some of the symptoms that may be corrected with a
software update:
● Fluctuations in picture brightness
● Intermittent picture freezing or noise
● Problems with certain inputs (especially HDMI)
● Intermittent or distorted audio
● Erratic remote control operation
● TV turns on and off by itself
● Loss of color
● Internet connectivity
● Certain features not working correctly
(photo or video le viewing)
SELF DIAGNOSIS FUNCTION
Critical voltages and circuit operations are monitored by the CPU on the
Main Board. If an error is detected the Self Diagnosis function in the TV will
force the TV to shut down by the CPU. The monitored circuit in which the
fault occurred will automatically cause the CPU to blink the Standby LED
in groups of repeating sequences. The number of times the Standby LED
blinks indicates the possible cause of the problem.
Not all of the available protect codes are used in every model. For example,
models that don’t have the local dimming feature do not use the 4X blink
error as this circuit is found in models that are backlit with uorescent lamps.
The information in this section provides guidance in locating the possible
component causing the shutdown.
STANDBY LED BLINK COUNT
2 times
5 times
Standby LED
LED ON 0.3 sec.
LED OFF 0.3 sec.
LED DISPLAY & BLINK COUNT
LED OFF
3 sec.
KDL-22EX355/32EX355/32EX356/40EX455/40EX456 6
Page 15
SECTION 2 - TROUBLESHOOTING
Sound Adjust… >>
Wide Band Tuning >>
Range Scan… >>
Self diagnosis history >>
Status Information… >>
LVDS Spectrum(%0) <[ 25 ]>
Panel Selection <[ LTY320AN03 ]>
SERIAL NUMBER EDIT 5001692
MODEL NAME EDIT KDL-32EX355
[</>]Set [Home] Exit
Service Mode
K
VIEWING THE SELF CHECK DIAGNOSIS HISTORY
When an error is detected, the Self Check screen records the date(s) and
the number of times the error occurred. This is helpful in conrming past
occurrences of an error, and for determining if an error is intermittent when
the customer is not sure what is causing the television to shut down. If the
screen displays a 0, no error has occurred.
1. Take the TV out of deep Standby mode by pressing
turn on the TV.
2. Press
3. Press the following buttons on the Remote Commander within a
second of each other:
DISPLAY
POWER
Channel 5 Volume +
to turn the TV back off.
POWER
POWER
to
SELF CHEC
Back <<
002 MAIN_ POWER 000
003 DC_ALERT1 000
003 AUDIO_PROT 000
004 BALANCER_ERR 000
005 TCON_ERR 000
005 PANEL_ID_NVM_ERR 000
006 BACKLIGHT_ERR 000
007 TEMP_ERR 000
00001 00036 00001
[Home] Exit
SAMPLE SELF CHECK DIAGNOSIS PAGE
2X Blink - Main Power Error
A loss of REG12V from the power supply triggers this protect event. The
usual cause is a failure of the main switching supply. In some instances,
excessive loading on the secondary supply lines can cause the switching
regulator to stop, or fail again, if a replacement board is installed.
3X Blink- DC Regulator/Audio Error
The REG 5V and D3.3V source originating on the Main Board is monitored
for low-voltage conditions by the CPU. A failure causing a 3X shutdown
requires replacing the Main Board.
4X Blink – Balancer Error
NOT USED IN THIS MODEL SERIES
4. To access the Self diagnosis history page, press until Self
diagnosis history is highlighted, and then press .
5X Blink - TCON Error/Panel Error
The 5X blink protection mode indicates a communications error with the
timing control circuits (TCON Board) has occurred. If the TCON Board is
available for replacement, replace it, if not, replace the LCD Panel Assembly.
In rare cases a loose or defective LVDS cable could also be the cause.
KDL-22EX355/32EX355/32EX356/40EX455/40EX456 7
Page 16
SECTION 2 - TROUBLESHOOTING
3. Bring the primary component listed for that symptom.
5. Chart Color Code
*
▲ ▲
***
**
▲ ▲
***Backlight Does NOT Turn ON before TV Shuts
*NOTE: REFER TO LCD PANEL SERVICE
FOR CORRECT REPLACEMENT PARTS BASED
**Backlight Turns ON before TV Shuts Off
4. Follow the associated flowcharts in the Training Manual to isolate the board.
* TV Immediate Shuts Off After Power ON & 7X
6X Blink - Backlight Converter System Failure
If the inverter circuits fails to generate high voltage or one or more of the
backlight lamps fails to light, the television will shut down and display this
diagnostics error. Observing for the presence of backlighting is crucial in
determining which component is likely at fault.
If the backlights turn on before the 6X shutdown occurs, it is safe to assume
that the inverter circuits are functioning and one of the lamps failed to ignite.
Replacing the LCD Panel assembly is necessary. If the backlights never
turn on before the 6X shutdown, the Inverter MT Board has failed. If this
board is available for replacement, replace it, if not, replace the LCD Panel
Assembly.
7X Blink - Temperature Failure
A digital thermometer IC located on the Main Board provides a temperature
reading of the chassis and LCD panel. If the temperature exceeds a predetermined point the TV will shut down. If this problem occurs immediately
at turn-on, the temperature sensing IC has failed and replacing the main
board is required. If this occurs after the TV has been running for a while,
check for ventilation issues that could cause the TV to run hotter than
normal.
TRIAGE CHART
Use this general Triage Chart to determine what may possibly be causing the error before going out to the customers location.
1. Confirm the symptom from the customer. RED DOT: (Primary) Most likely defective part
2. Select that symptom from the chart. BLUE Triangle: (Secondary) Possible defective part
Video
Whole
Screen
Distortion
Isolated
Distortion
Area
No Audio
Board
Main Board
Protection Modes
2X 3X 5X 6X 7X
Power Audio
Dead set
No
Video
Power Supply
H Board
Inverter
LCD Panel
TCON
MANUAL IN REFERENCE LIBRARY DATABASE
▲*
KDL-22EX355/32EX355/32EX356/40EX455/40EX456 8
Page 17
SECTION 3 - FLOW CHARTS AND DIAGRAMS
Component/Composite
RF
Composite
HDMI 1
PC HD15
POWER SUPPLY
SWITCH
UNIT
LED
IR RX
LCD PANEL, TCON, &
CCFL BACKLIGHTS
A
H
L
R
ANALOG AUDIO OUT
OPTICAL AUDIO OUT
MT5389
A/V DECODER
A/V PROCESS
TUNER
USB 1
HDMI 2
LVDS
24V & CTL
AC IN
INVERTER
CLASS D
AUDIO
AMP
GL8 (32")
GL5 (40")
HDMI 3
HDMI 4
Ethernet
USB 2
GE22 (22")
BLOCK DIAGRAM
KDL-22EX355/32EX355/32EX356/40EX455/40EX456 9
OVERALL BLOCK DIAGRAM
Page 18
NO POWER
UNREG24V
BL-ON
GND
BL_ERR
1~5
6~10
11
12
STBY3.3V
AUDIO_12V
AC_OFF_DET
POWER_ON
1
2
3
4
AUDIO_GND
BL_ERR
REG12V_GND
REG12V
5
6, 7
8, 9
10
BL_ON
TCON_12V
DIMMER
N/C
11
12
13
14
TCON_ON
15
AC IN (N)
AC IN (H)
1
2
CN6401
A
N/C
DIMMER
13
14
CN6402
REG 12V
GND
AUDIO_12V
8
5, 7, 9
10
DIMMER
BL_ERR
1
12
CN201
TCON_12V
14
AC_FF_DET
TCON_ON
3
15
BL_ON
13
STBY 3.3V
4
POWER_ON
2
GL8 (32")
GL5 (40")
INVERTER
CN6101
LCD PANEL &
CCFL BACKLIGHTS
GE22 (22")
SECTION 3 - FLOW CHARTS AND DIAGRAMS
KDL-22EX355/32EX355/32EX356/40EX455/40EX456 10
POWER AND CONTROL BLOCK DIAGRAM
Page 19
No Power
Does red standby
LED on front panel
light?
SECTION 3 - FLOW CHARTS AND DIAGRAMS
Press power
Yes
button while
monitoring pin 3 of
CN6401 on power
supply board
High (3.3V)
on pin 3?
Yes
Power Supply
Board*
No
Is standby LED
blinking?
No
Yes
Protection Shutdown
See
flowchart
Power Supply
Board*
NO POWER FLOWCHART
*For Part Number information, Refer to “Section 4 - Disassembly/Part Number Information” on page 15.
No
High (3.3V)
on pin 2?
No
Power Supply
Board*
Yes
Main Board*
KDL-22EX355/32EX355/32EX356/40EX455/40EX456 11
Page 20
STANDBY LED BLINKING
Protect
Shutdown.
Standby LED
Blinking
SECTION 3 - FLOW CHARTS AND DIAGRAMS
2X
No
3X
No
5X
Yes
LCD Panel*
Yes
Yes
No
Power Supply
Board*
Main Board*
6X
Yes
“SONY” logo
appears before
shutdown?
Yes
No
No
7X
Immediately
Main Board*
Power Supply
Board*
After a While
Check room
temperature and
ventilation around
unit
LCD Panel*
PROTECTION SHUTDOWN FLOWCHART
*For Part Number information, Refer to “Section 4 - Disassembly/Part Number Information” on page 15.
KDL-22EX355/32EX355/32EX356/40EX455/40EX456 12
Page 21
NO VIDEO
SECTION 3 - FLOW CHARTS AND DIAGRAMS
No Video
Backlights
turned on?
Yes
Any OSD
graphics
present?
No
Unplug LVDS
connector at
TCON while unit
is running. This
may need to be
done more than
once
No
Yes
LCD Panel*
Inverter MT
Board*
Main Board*
Any flashes
seen on
screen?
Yes
No
LCD Panel*
Main Board*
NO VIDEO FLOWCHART
*For Part Number information, Refer to “Section 4 - Disassembly/Part Number Information” on page 15.
KDL-22EX355/32EX355/32EX356/40EX455/40EX456 13
Page 22
Video Distortion
SECTION 3 - FLOW CHARTS AND DIAGRAMS
Is distortion
across entire
screen?
No
Any horizontal
lines?
No
Any single or
isolated vertical
lines?
No
Yes
Yes
Yes
Improper of
missing colors?
Yes
Main Board*
LCD Panel*
LCD Panel*
No
Vertical lines
or bars?
No
Yes
Lines move
when wide-mode
changed?
No
LCD Panel*
TCON Board*
Yes
Main Board*
More than 1
vertical band?
*For Part Number information, Refer to “Section 4 - Disassembly/Part Number Information” on page 15.
Yes
LCD Panel*
TCON Board*
VIDEO DISTORTION FLOWCHART
KDL-22EX355/32EX355/32EX356/40EX455/40EX456 14
Page 23
SECTION 4 - DISASSEMBLY/PART NUMBER INFORMATION
3
4
2
6
5
1
TABLE-TOP STAND AND REAR COVER REMOVAL
A
Gently place the LCD TV face down onto a soft cloth and remove 3 screws from the bottom of Table-Top Stand.
B
To avoid damaging the AC Power Supply Cord, remove the screw from the AC Cover and disconnect the AC Power
Cord.
Components not identied by a part number or
description are not stocked because they are seldom
required for routine service.
NOTE: The components identied by shading
and ! mark are critical for safety. Replace only
with part number specied.
The component parts of an assembly are indicated by the
reference numbers in the far right column of the parts list
and within the dotted lines of the diagram.
NOTE: The components identied by a red outline and a mark contain
condential information. Specic 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.
Items marked with an asterisk are not stocked since
*
they are seldom required for routine service. Expect
some delay when ordering these components.
C
Remove the remaining screws from the Rear Cover.
REF. NO. PART NO. DESCRIPTION [ASSEMBLY INCLUDES] REF. NO. PART NO. DESCRIPTION [ASSEMBLY INCLUDES]
D
Gently hold down the Rear Cover from the center,
then carefully lift the Rear Cover from the bottom.
KDL-22EX355/32EX355/32EX356/40EX455/40EX456 15
1 4-420-103-11 REAR COVER (22IRSF) [2]
(KDL-22EX355 ONLY)
1 4-420-104-11 REAR COVER (32IRSF) [2]
(KDL-32EX355/32EX356 ONLY)
1 4-420-105-11 REAR COVER (40IRSF)
(KDL-40EX455/40EX456 ONLY)
2 4-421-636-01 BRACKET, VESA (22IRSF)
(KDL-22EX355 ONLY)
2 4-419-892-01 BRACKET, VESA (32IRSF)
(KDL-32EX355/32EX356 ONLY)
2 4-419-893-01 BRACKET, VESA (40IRSF)
(KDL-40EX455/40EX456 ONLY)
3 4-421-635-01 AC COVER (22IRSF)
(KDL-22EX355 ONLY)
3 4-299-528-01 AC COVER
(ALL MODELS EXCEPT KDL-22EX355)
!
4 1-839-639-11 CORD, POWER (WITH CONNECTOR)
(CHILE/PERU MODELS ONLY)
!
4 1-839-679-11 CORD, POWER (WITH CONNECTOR
(VENEZUELA MODELS ONLY)
5 4-420-106-01 STAND (22IRSF)
(KDL-22EX355 ONLY)
5 4-420-107-01 STAND (32IRSF)
(KDL-32EX355/32EX356 ONLY)
5 4-420-108-01 STAND (40IRSF)
(KDL-40EX455/40EX456 ONLY)
6 2-580-608-11 SCREW, +PSW M5X16
(SCREWS TO ATTACH TABLE-TOP STAND TO LCD TV)
For product protection and safety reasons, Sony strongly recommends
that you use the screws provided with the TV.
CAUTION: These screws cannot be used to secure the TV to the Wall
Mount Brackets.
Page 24
MAIN BOARD (A) AND POWER SUPPLY BOARD (GE22/GL5/GL8) REMOVAL
KDL-22EX355 ONLY
A
Detach the Side Bracket from A Board.
B
Remove screws and disconnect connectors from A Board.
C
Remove screws and disconnect connectors from GE22 Board.
D
Slide-out Left and Right Speakers, then disconnect connectors.
E
Release clips and disconnect connector from H Board.
F
Lift up Switch Unit and disconnect connector.
Insulation
Sheet
A
Components not identied by a part number or
description are not stocked because they are seldom
required for routine service.
NOTE: The components identied by shading
and ! mark are critical for safety. Replace only
with part number specied.
The component parts of an assembly are indicated by the
reference numbers in the far right column of the parts list
and within the dotted lines of the diagram.
NOTE: The components identied by a red outline and a mark contain
condential information. Specic 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.
Insulation
Sheet
Items marked with an asterisk are not stocked since
*
they are seldom required for routine service. Expect
some delay when ordering these components.
51
57
53
56
55
C
E
F
D
B
54
52
KDL-22EX355 ONLY
REF. NO. PART NO. DESCRIPTION [ASSEMBLY INCLUDES] REF. NO. PART NO. DESCRIPTION [ASSEMBLY INCLUDES]
51 4-419-886-11 COVER, SIDE JACK (IRSF)
52 1-895-264-21 A BOARD, COMPLETE
AFTER REPLACING THE MAIN BOARD, YOU MUST UPDATE THE
SOFTWARE TO THE LATEST VERSION
53 1-895-183-11 H BOARD, MOUNTED
54 1-858-795-11 LOUD SPEAKER (30X100MM)
55 1-858-795-21 LOUD SPEAKER (30X100MM)
56 1-489-986-11 SWITCH UNIT
57 1-895-265-11 GE22 BOARD, COMPLETE
KDL-22EX355/32EX355/32EX356/40EX455/40EX456 16
Page 25
SECTION 4 - DISASSEMBLY/PART NUMBER INFORMATION
KDL-32EX355/32EX356/40EX455/40EX456 ONLY
A
Detach the Side Bracket from A Board.
B
Remove screws and disconnect connectors from A Board.
C
Remove screws and disconnect connectors from GL5/GL8 Board.
D
Slide-out Left and Right Speakers, then disconnect connectors.
E
Release clips and disconnect connector from H Board.
F
Lift up Switch Unit and disconnect connector.
NOTE: The components identied by shading
and ! mark are critical for safety. Replace only
with part number specied.
107
NOTE: The components identied by a red outline and a mark contain
condential information. Specic 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.
108
101
103
A
106
E
D
B
C
F
KDL-32EX355/32EX356/40EX455/40EX456 ONLY
REF. NO. PART NO. DESCRIPTION [ASSEMBLY INCLUDES] REF. NO. PART NO. DESCRIPTION [ASSEMBLY INCLUDES]
101 4-419-886-11 COVER, SIDE JACK (IRSF)
102 1-895-264-21 A BOARD, COMPLETE
(KDL-32EX355/32EX356 ONLY)
AFTER REPLACING THE MAIN BOARD, YOU MUST UPDATE THE
SOFTWARE TO THE LATEST VERSION
102 1-895-264-31 A BOARD, COMPLETE
(KDL-40EX455/40EX456 ONLY)
AFTER REPLACING THE MAIN BOARD, YOU MUST UPDATE THE
SOFTWARE TO THE LATEST VERSION
103 1-895-183-11 H BOARD, MOUNTED
104 1-858-796-11 LOUD SPEAKER (40X100MM)
105 1-858-796-21 LOUD SPEAKER (40X100MM)
105
106 1-489-986-11 SWITCH UNIT
107 1-895-253-11 GL8 BOARD, COMPLETE
(KDL-32EX355/32EX356 ONLY)
107 1-895-173-12 GL5 BOARD, COMPLETE
(KDL-40EX455/40EX456 ONLY)
108 4-297-998-51 SHEET, INSULATION (GL2)
(KDL-32EX355/32EX356 ONLY)
ORDER THIS PART WHEN REPLACING THE LCD PANEL
108 4-297-996-51 SHEET, INSULATION (GL6)
(KDL-40EX455/40EX456 ONLY)
ORDER THIS PART WHEN REPLACING THE LCD PANEL
104
102
KDL-22EX355/32EX355/32EX356/40EX455/40EX456 17
Page 26
SECTION 4 - DISASSEMBLY/PART NUMBER INFORMATION
LCD BRACKETS AND LCD PANEL REMOVAL
KDL-22EX355 ONLY
A
Remove screws from LCD Bracket, then release Bezel clips and gently lift up LCD Panel to detach from Bezel.
Use CAUTION to avoid breaking the Bezel clips
Bezel clips
NOTE: The components identied by shading
and ! mark are critical for safety. Replace only
with part number specied.
NOTE: The components identied by a red outline and a mark contain
condential information. Specic 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.
151
152
153
Screws
B
Remove screws from LCD Bracket and lift up to detach from LCD Panel.
Screws
KDL-22EX355 ONLY
REF. NO. PART NO. DESCRIPTION [ASSEMBLY INCLUDES] REF. NO. PART NO. DESCRIPTION [ASSEMBLY INCLUDES]
151 4-420-100-01 BEZEL (22IRSF)
152 NA LCD PANEL
FOR ALL LCD PANEL AND TCON BOARD PART NUMBER
INFORMATION REFER TO THE LCD PANELS SERVICE MANUAL
153 4-421-637-01 BRACKET, LCD (22IRSF)
KDL-22EX355/32EX355/32EX356/40EX455/40EX456 18
Page 27
SECTION 4 - DISASSEMBLY/PART NUMBER INFORMATION
Panel Bracket (H)
KDL-32EX355/32EX356/40EX455/40EX456 ONLY
A
Remove screws, then press Bezel tabs and lift up Panel Brackets (H).
B
Press Bezel tabs and tilt up Panel Brackets (V).
C
Remove screws and lift up Bottom Frame.
D
Gently lift up LCD Panel.
Bezel tab
D
NOTE: The components identied by shading
and ! mark are critical for safety. Replace only
with part number specied.
A
Panel Bracket (V)
201
NOTE: The components identied by a red outline and a mark contain
condential information. Specic 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.
203
203
202
204
B
C
CLEANING THE LCD PANEL
CAUTION: When cleaning the TV, be sure to unplug the power cord to avoid any chance of electric shock.
Clean the cabinet of the TV with a dry soft cloth, and wipe the LCD screen gently with a soft cloth.
; Stubborn stains may be removed with a cloth slightly moistened with a solution of mild soap and warm water.
; If using a chemically pretreated cloth, please follow the instruction provided on the package.
; Never use strong solvents such as a thinner, alcohol or benzine for cleaning.
; Periodic vacuuming of the ventilation openings is recommended to ensure proper ventilation.
; Do Not use paper towels, any type of abrasive pad, rags, rubber or vinyl materials to clean the screen. Using these
materials could easily scratch the screen which may result in permanent damage.
; Do Not use any cleaning product containing alkaline/acid cleaner, scouring powder, or volatile solvent, such as
alcohol, ammonia, benzine, thinner or insecticide. Using any of these harsh cleaners may result in permanent damage
to the screen.
; Do Not spray water or detergent directly onto the TV screen . If liquid drips into the bottom of the screen it may cause
a failure.
Bezel tab
204
205
KDL-32EX355/32EX356/40EX455/40EX456 ONLY
REF. NO. PART NO. DESCRIPTION [ASSEMBLY INCLUDES] REF. NO. PART NO. DESCRIPTION [ASSEMBLY INCLUDES]
201 4-420-101-11 BEZEL (32IRSF)
KDL-32EX356 ONLY)
201 4-420-101-01 BEZEL (32IRSF)
(KDL-32EX355 ONLY)
201 4-420-102-11 BEZEL (40IRSF)
(KDL-40EX456 ONLY)
201 4-420-102-01 BEZEL (40IRSF)
(KDL-40EX455 ONLY)
202 NA LCD PANEL
FOR ALL LCD PANEL AND TCON BOARD PART NUMBER
INFORMATION REFER TO THE LCD PANELS SERVICE MANUAL
203 4-299-512-01 BRACKET, PANEL (H)
204 4-299-509-01 BRACKET, PANEL (V)
205 4-419-890-01 FRAME, BOTTOM (32IRSF)
(KDL-32EX355/32EX356 ONLY)
205 4-419-891-01 FRAME, BOTTOM (40IRSF)
(KDL-40EX455/40EX456 ONLY)
KDL-22EX355/32EX355/32EX356/40EX455/40EX456 19
Page 28
SECTION 4 - DISASSEMBLY/PART NUMBER INFORMATION
NOTE: The components identied by shading
and ! mark are critical for safety. Replace only
with part number specied.
CONNECTORS SCREWS
254
253
252
NOTE: The components identied by a red outline and a mark contain
condential information. Specic 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.
SCREW INFORMATION NOT AVAILABLE FOR THESE MODELS
251
REF. NO. PART NO. DESCRIPTION [ASSEMBLY INCLUDES] REF. NO. PART NO. DESCRIPTION [ASSEMBLY INCLUDES]
251 1-910-106-19 CONNECTOR ASSEMBLY22MB-H/KEY/SP14P
(KDL-22EX355 ONLY)
251 1-910-106-24 CONNECTOR ASSEMBLY32MB-H/KEY/SP14P
(KDL-32EX355/32EX356 ONLY)
251 1-910-106-28 CONNECTOR ASSEMBLY40MB-H/KEY/SP14P
(KDL-40EX455/40EX456 ONLY)
252 1-910-106-22 (LVDS) CONNECTOR ASSEMBLY 22 (FFC) 30P
(KDL-22EX355 ONLY)
252 1-910-106-26 (LVDS) CONNECTOR ASSEMBLY 32 (FFC) 30P
(KDL-32EX355/32EX356 ONLY)
252 1-910-106-30 (LVDS) CONNECTOR ASSEMBLY 40 (FFC) 51P
(KDL-40EX455/40EX456 ONLY)
253 1-910-106-18 CONNECTOR ASSEMBLY 22 MB-PSU 15P
(KDL-22EX355 ONLY)
253 1-910-106-23 CONNECTOR ASSEMBLY 32 MB-PSU 15P
(KDL-32EX355/32EX356 ONLY)
253 1-910-106-27 CONNECTOR ASSEMBLY 40 MB-PSU 15P
(KDL-40EX455/40EX456 ONLY)
254 1-910-106-21 CONNECTOR ASSEMBLY 22 LED-PSU 6P
(KDL-22EX355 ONLY)
KDL-22EX355/32EX355/32EX356/40EX455/40EX456 20
Page 29
SECTION 4 - DISASSEMBLY/PART NUMBER INFORMATION
ACCESSORIES AND PACKAGING
PART NO. DESCRIPTION
3-299-071-06 FLYER, SAFETY
4-437-132-01 GEAR, SCREW M3X5
4-418-306-31 GUIDE, QUICK SET UP
4-427-807-31 MANUAL, INSTRUCTION
4-416-690-11 SUPPLEMENT(STAND INSTALLATION)
OPTIONAL ACCESSORIES
PART NO. DESCRIPTION
4-414-470-01 SUPPORT BELT KIT
REMOTE COMMANDER
PART NO. DESCRIPTION
1-489-991-11 REMOTE COMMANDER (RM-YD081)
KDL-22EX355/32EX355/32EX356/40EX455/40EX456 21
Page 30
SECTION 4 - DISASSEMBLY/PART NUMBER INFORMATION
WIRE DRESSING
KDL-22EX355/32EX355/32EX356/40EX455/40EX456 22
Page 31
SECTION 5 - UPDATES AND ADJUSTMENTS
OVERVIEW
The models in this manual utilize a generic type of Main Board, therefore a
software update must be performed and certain service adjustment settings
must be changed or conrmed whenever the Main Board, LCD Panel, or
TCON Board is replaced.
There are 2 reasons for updating the software on the TVs.
● Software updates for customers
These updates are for enhancements or improvements that have
been made to the software after the TV was released.
● Software update for servicers
These updates are specically for servicers to use during a service
call.
SOFTWARE UPDATES FOR CUSTOMERS
The subject of software updates is very important. The televisions of today
have advanced to the point where they are not simply a television anymore.
They are evolving into devices that are designed to integrate with numerous
other devices found in the home. Some examples are: portable audio and
video devices, still cameras, home computer networks and accessing the
internet to name a few.
Communications with these varying devices requires that the television be
compatible with varying communications protocols. Although standards
are detailed for each of these protocols, the real world dictates that
occasional errors may occur that could prevent devices from operating or
communicating properly.
Keeping the software in the television up-to-date is a procedure that is
normally handled by the owner of the television. Most customers who own
computers and other digital devices are familiar with and are accustomed
to updating the software in their products. If a customer contacts the Sony
Customer Support Center and it is deemed to be correctable with a software
update, the issue is handled at the customer level.
Software updates can be performed by:
● Customer Manual Downloads: Software updates can be
downloaded and placed on a USB thumb drive to be loaded onto
the TV. The instructions for downloading the software le vary
from chassis to chassis and sometimes from model to model. The
customer is provided with the instructions to properly format the
USB thumb drive, unzip the le, and the procedures for loading the
software into the television.
SOFTWARE UPDATES FOR SERVICERS
Replacement Main Boards are now stocked with basic software. Once the
replacement board is installed in the TV, the most current software needs
to be installed using a USB thumb drive containing the necessary software.
This new method of supplying Main Boards signicantly reduces the
complexity of replacing the Main Boards. Information about the LCD panel
is stored on the TCON circuits. This information is automatically loaded
onto the Main Board when the TV is powered up. With the correct software
version the Main Board and/or the TCON can be replaced more efciently.
KDL-22EX355/32EX355/32EX356/40EX455/40EX456 23
Page 32
SECTION 5 - UPDATES AND ADJUSTMENTS
con:
SOFTWARE UPDATE RESPONSIBILITY
Software updates are designed to be performed by the customer. Warranty
repairs in which the issue can be resolved by a software update are not
reimbursable. Most issues involving software updates are handled by the
customer service center and should not be directed to an authorized service
center. It is the responsibility of the servicer to prevent service calls for
issues that involve software updates. Exceptions to this are certain cases
whereby the customer is unable or unwilling to perform the task. In this
situation, the servicer will be notied and receive the proper authorization
for reimbursement.
It is the servicer’s responsibility, however, to make certain that any TV
requiring a legitimate service is running the latest software version
and to install it if necessary.
CHECKING THE SOFTWARE VERSION
The easiest way to check the version of software that is currently on the TV
is to access the Contact Sony screen by using the customer menu.
Contact Sony
Please contact Sony directly if you have questions on the use of your television
Website Support:
United States Phone Contact:
Canada Phone Contact
Other Countries Contact
Please have the following information available:
Model Name:
Serial Number:
Software Version:
KDL-32EX355
5001692
v2.500
www.sony.com/tvsupport
1 (800) 222-SONY (7669)
1 (877) 899-SONY (7669)
Consult the Warranty Card
EXAMPLES OF SOFTWARE CORRECTABLE SYMPTOMS
Most symptoms that are correctable by software updates involve
communications issues with other devices or minor glitches in the operation
of a specic function. Below is a list of some of the symptoms that may be
corrected with a software update:
● Fluctuations in picture brightness
● Intermittent picture freezing or noise
● Problems with certain inputs (especially HDMI)
● Intermittent or distorted audio
● Erratic remote control operation
● Unit turns on and off by itself
● Loss of color
● Internet connectivity
● Certain features not working correctly
(photo or video le viewing)
EXAMPLE OF SOFTWARE VERSION
LOCATED ON THE CONTACT SONY SCREEN
KDL-22EX355/32EX355/32EX356/40EX455/40EX456 24
Page 33
SECTION 5 - UPDATES AND ADJUSTMENTS
OVERVIEW
As mentioned in “Section 5 - Updates and Adjustments” on page 23, the
models in this manual utilize a generic type Main Board, therefore certain
service adjustments settings must be changed or conrmed when either
the Main Board, LCD Panel, or TCON Board are replaced.
UPDATING THE SOFTWARE
After replacing the Main Board, LCD Panel, or TCON Board, you MUST
UPDATE the SOFTWARE to the latest version.
ACCESSING SERVICE ADJUSTMENT MODE
This set does not use Service Mode for adjustments. To make adjustments,
refer to “Accessing Factory Adjustment Mode” on page 27. However, you
can access the Self diagnosis history page from Service Mode.
1. TV must be in Standby mode. (Power On).
2. Press the following buttons on the Remote Commander within a
second of each other:
DISPLAY
Channel 5 Volume +
POWER
DISPLAY
Onscreen cursor
and select button
5
POWER
VOLUME+
RM-YD081
KDL-22EX355/32EX355/32EX356/40EX455/40EX456 25
Page 34
SECTION 5 - UPDATES AND ADJUSTMENTS
Sound Adjustment >>
Wide Band Tuning >>
Range Scan… >>
Self diagnosis history >>
Status Information… >>
LVDS Spectrum(%0) <[ 25 ]>
Panel Selection <[ LTY320AN03 ]>
SERIAL NUMBER EDIT 5001692
MODEL NAME EDIT KDL-32EX355
[</>]Set [Home] Exit
Service Mode
K
Sound Adjustment >>
Wide Band Tuning >>
Range Scan… >>
Self diagnosis history >>
Status Information… >>
LVDS Spectrum(%0) <[ 25 ]>
Panel Selection <[ LTY320AN03 ]>
SERIAL NUMBER EDIT 5001692
MODEL NAME EDIT KDL-32EX355
[</>]Set [Home] Exit
Service Mode
Sound Adjust… >>
Wide Band Tuning >>
Range Scan… >>
Self diagnosis history >>
Status Information… >>
LVDS Spectrum(%0) <[ 25 ]>
Panel Selection <[ LTY320AN03 ]>
SERIAL NUMBER EDIT 5001692
MODEL NAME EDIT KDL-32EX355
[</>]Set [Home] Exit
Service Mode
SELECTING THE PANEL ID CODE
After replacing the Main Board or the LCD Panel, you must update the
software to the latest version and then select the Panel ID from Factory
Mode.
1. TV must be in Standby mode. (Power On).
2. Press the following buttons on the Remote Commander within a
second of each other:
3. To access the Self diagnosis history page, press until Self
diagnosis history is highlighted, and then press .
SELF CHEC
Back <<
002 MAIN_ POWER 000
003 DC_ALERT1 000
003 AUDIO_PROT 000
004 BALANCER_ERR 000
005 TCON_ERR 000
005 PANEL_ID_NVM_ERR 000
006 BACKLIGHT_ERR 000
007 TEMP_ERR 000
00001 00036 00001
[Home] Exit
4. To exit service mode, turn the
POWER
off.
DISPLAY
3. Press to select Panel Selection.
Channel 5 Volume +
POWER
KDL-22EX355/32EX355/32EX356/40EX455/40EX456 26
Page 35
SECTION 5 - UPDATES AND ADJUSTMENTS
Input Source <[ TV ]>
White Balance <[ Off ]>
Internal Pattern <[ Off ]>
Color Temp >>
Aging Mode <[ Off ]>
ADC Calibration >>
TVD ADC Calibration >>
Auto Phase <[ Off ]>
Factory Reset (default) Off
Recall Data <[ Off ]>
Data Backup <[ Off ]>
Site Air Channels <[ Off ]>
Site Cable Channels <[ Off ]>
System FW v2.500
Model Name KDL-32EX355
Serial Number 5001692
Picture Quality v1.0000
Audio Quality AQ1.0000
Panel Info LTY320AN03
EDID Version HDMI: 1.3 / VGA: 1.3
Factory Version v2.500
[</>]Set [EXIT] Exit
Factory Mode
4. Using the table below, press the or Onscreen cursor buttons
to select the correct panel code for the Panel ID.
Model Name Panel Code Panel Type Panel ID
KDL-22EX355
KDL-32EX355
KDL-32EX356
KDL-40EX455
KDL-40EX456
15_LED_WXGA_CMI_22
16_LED_WXGA_SLCD_32 Samsung LTY320AN03
17_LED_FHD_SLCD_40
5. To save the changes, press and
CMO
Samsung
POWER
V216B1LE3
LTY400HM10
to turn off the
TV.
ACCESSING FACTORY ADJUSTMENT MODE
For these models, adjusment data is changed in Factory Mode.
ADJUSTING THE COLOR TEMPERATURE
The default White Balance data values are set for optimal viewing. The
following instructions are for technicians who have been requested to
customize calibrations for their customers.
1. TV must be ON.
2. Press the following buttons on the Remote Commander within a
second of each other:
MUTING
MUTING
HOME
KDL-22EX355/32EX355/32EX356/40EX455/40EX456 27
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SECTION 5 - UPDATES AND ADJUSTMENTS
3. Using the button, scroll down to select Color Temp.
Factory Mode
Input Source <[ TV ]>
White Balance <[ Off ]>
Internal Pattern <[ Off ]>
Color Temp >>
Aging Mode <[ Off ]>
ADC Calibration >>
TVD ADC Calibration >>
Auto Phase <[ Off ]>
Factory Reset (default) Off
Recall Data <[ Off ]>
Data Backup <[ Off ]>
Site Air Channels <[ Off ]>
Site Cable Channels <[ Off ]>
[</>]Set [EXIT] Exit
4. Press to access Color Temp adjustments.
Factory Mode
Color Temperature
Back <<
Color Temp <[ Neutral ]>
R Gain <[ 538 ]>
G Gain <[ 512 ]>
B Gain <[ 452 ]>
R Offset <[ 512 ]>
G Offset <[ 512 ]>
B Offset <[ 512 ]>
Recall Data <[ Off ]>
Data Backup <[ Off ]>
6. After the correct Color Temperature is selected, press the to
select the Temperature type that needs to be modied.
7. After the correct Temperature type is selected, press the to
increase the data value, or press to decrease the data value.
8. Complete the data value adjustments to the remaining temperature
items within the selected temperature type.
NOTE: Changes to the data value must be saved within the
Temperature type selected before making changes to one of the
other Temperature types.
9. To save the changes, press the to select Data Backup, then
press .
10. Do one of the following:
a. To make changes to one of the other Temperature types,
repeat steps 5 through 9.
b. To exit Factory mode, press
POWER
.
[</>]Set [EXIT] Exit
5. Press the or buttons to select the Color Temp type.
(Cool, Neutral, Warm1, or Warm2.)
KDL-22EX355/32EX355/32EX356/40EX455/40EX456 28
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is a trademark of Sony Electronics
Reproduction in whole or part without written permission is prohibited. All rights reserved
English
© 2012.6
9-883-889-01
Sony Corporation
Sony LCSC
LCSC Technical Services
Service Publication Department
2012FJ74WEB-1
Printed in USA
KDL-22EX355/32EX355/32EX356/40EX455/40EX456 29
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APPENDIX A: ENCRYPTION KEY COMPONENTS
Encryption key components developed by Sony Corporation contain condential information, and shall be handled under the non-disclosure obligations
provided in the applicable agreement with Sony Corporation (and/or its subsidiary).
As part of this agreement specic instructions must be adhered to whenever a Circuit Board containing encryption key components is repaired and/or replaced
pursuant to the following:
1. In the service manual the Circuit Board(s) containing encryption key components shall be identied with a red outline and a .
2. Only repair boards or components listed in the service manual shall be utilized for replacement and/or repair.
3. Disassembly, decryption, or reverse-engineering component(s) is strictly prohibited.
4. Any board in which the Servicer replaces an encryption key component must be placed back into the set it orignally came from and the replaced
defective component MUST BE DESTROYED. Boards cannot be swapped.
5. If a Circuit Board identied with a red outline and a in the service manual is deemed to be defective:
a. and if a core charge is imposed and is covered under the product warranty, the defective un-repaired or modied board MUST BE RETURNED
to Sony.
b. and if the core charge is NOT covered under the product warranty, the defective un-repaired or modied board MUST BE DESTROYED.
6. If a unit is destroyed (such as eld scrap), the Circuit Board identied with a red outline and a in the service manual MUST BE DESTROYED.
KDL-22EX355/32EX355/32EX356/40EX455/40EX456 A-1
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