Sony KDL-40EX725 Service Manual
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Sony KDL-40EX725 Service Manual

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HISTORY INFORMATION FOR THE FOLLOWING MANUAL:
SERVICE MANUAL
ORIGINAL MANUAL ISSUE DATE: 3/2011
Version Date
1.0
3/25/2011
2.0
2/8/2012
Subject
Original Manual Release Date
Reissue entire manual.
AZ2-F
Chassis
Segment: 3a-2
LCD Digital Color TV
9-888-439-02

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Summary of Contents for Sony KDL-40EX725

  • Page 1 HISTORY INFORMATION FOR THE FOLLOWING MANUAL: SERVICE MANUAL AZ2-F Chassis Segment: 3a-2 ORIGINAL MANUAL ISSUE DATE: 3/2011 Version Date Subject 3/25/2011 Original Manual Release Date 2/8/2012 Reissue entire manual. LCD Digital Color TV 9-888-439-02...
  • Page 2 Self Diagnosis Supported model SERVICE MANUAL AZ2-F Chassis Segment: 3a-2 LCD Digital Color TV KDL-40EX725 9-888-439-02...
  • Page 3 MODEL LIST MODEL COMMANDER DESTINATION MODEL COMMANDER DESTINATION KDL-32EX725 KDL-46EX725 RM-YD062 BRAZIL RM-YD062 BRAZIL KDL-40EX725 RM-YD062 BRAZIL KDL-55EX725 RM-YD062 BRAZIL 9-888-439-02...

  • Page 4: Table Of Contents

    TABLE OF CONTENTS Section 1 - Safety and Features..........1 Section 2 - Software Requirements.........13 Warnings and Cautions ..............1 Overview ..................13 Handling the LVDS FFC Connector ...........3 Software Updates for Customers ..........13 Disconnecting the LVDS FFC Connector ........3 Software Updates for Servicers ..........14 Connecting the LVDS FFC Connector ........
  • Page 5 Section 5 - Flow Charts and Diagrams ........38 Connectors ................64 Overview ..................38 KDL-32EX725 Only ............. 64 No Power ................... 39 KDL-40EX725 Only ............. 65 Standby LED Blinking ..............41 KDL-46EX725 Only ............. 65 No Picture/No Sound ..............47 KDL-55EX725 Only ............. 65 TV/Remote Commander Buttons Not Working ......
  • Page 6 Appendix A - Removing the Rear Cover ....... A-1 Overview ..................68 Removing the Power Cord from the Rear Cover ....A-2 Updating the Software ..............68 KDL-32EX725 ................A-2 KDL-40EX725 ................A-4 Accessing Service Adjustments ..........68 KDL-46EX725 ................A-6 Viewing or Changing Service Data ..........69 Updating Service Adjustment Data Appendix B - Attaching the Rear Cover ........

  • Page 7: Section 1 - Safety And Features

    Replace all components with Sony parts whose part numbers appear as shown in this manual or in supplements published by Sony. It is essential that all critical parts be replaced only with the part number specified in this manual to prevent electric shock, fire, or other hazard.
  • Page 8 SECTION 1 - SAFETY AND FEATURES CAUTION 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, benzene, thinner or insecticide.

  • Page 9: Handling The Lvds Ffc Connector

    SECTION 1 - SAFETY AND FEATURES HANDLING THE LVDS FFC CONNECTOR Several 2011 Models use a LVDS FFC Connector from the Main Board to the TCON Board. There are three different types of connectors that are used. Connector Type 2 CAUTION: 1.

  • Page 10: Connecting The Lvds Ffc Connector

    SECTION 1 - SAFETY AND FEATURES CONNECTING THE LVDS FFC CONNECTOR Connector Type 1 1. While holding onto the LVDS FFC Main Board CAUTION: Connector, gently tilt the Main The LVDS FFC Connector can be inserted into the Main Board connector release towards Board upside down.

  • Page 11: Safety-Related Warnings

    SECTION 1 - SAFETY AND FEATURES SAFETY-RELATED WARNINGS 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.

  • Page 12: Safety Check-Out

    SECTION 1 - SAFETY AND FEATURES 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.
  • Page 13 SECTION 1 - SAFETY AND FEATURES LEAKAGE TEST To Exposed Metal The AC leakage from any exposed metal part to earth ground and from all exposed Parts on Set metal parts to any exposed metal part having a return to chassis, must not exceed 0.5 mA(500 microamperes).

  • Page 14: Self Diagnosis Function

    SECTION 1 - SAFETY AND FEATURES Self Diagnosis Supported model SELF DIAGNOSIS FUNCTION The TVs in this manual contain a self-diagnostic function. If an error occurs, the standby LED will automatically begin to flash. The number of times the LED flashes translates to a probable source of the problem. A definition of the standby LED flash indicator is listed in the Operating Instruction manual for the user’s reference.

  • Page 15: Overview

    The AZ2-F chassis is one of several designs for the 2011 model line Several new features are introduced in this chassis model lineup of Sony Bravia® LCD televisions. This manual covers the following along with some carryovers from the previous year.

  • Page 16: Presence Sensor

    USB storage device directly to your HDTV’s USB input. FASTER START-UP EDGE LED BACKLIGHTING Quick Start & Viewing feature enables this Sony television to go from Experience the next level of picture quality and contrast with Sony’s ‘OFF’ to ‘ON’ 2-3 times faster than previous Sony televisions.

  • Page 17: Specifications

    SECTION 1 - SAFETY AND FEATURES SPECIFICATIONS Sistema Model name KDL- 55EX72x 46EX72x 40EX72x 32EX72x Sistema de televisão Analógico: NTSC/PAL-M/PAL-N Power and others Digital: SBTVD-T Power requirement 110-240 V AC, 50/60 Hz Cobertura de canais VHF: 2-13 Power consumption UHF: 14-69 166 W 122 W 110 W...
  • Page 18 Sony Ericsson da Sony Corporation. Mobile Communications AB. “PS3” é uma marca comercial da Sony A tecnologia de reconhecimento de Corporation e/ou Sony Computer música e vídeo e os dados relacionados Entertainment Inc.

  • Page 19: Section 2 - Software Requirements

    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.

  • Page 20: Software Updates For Servicers

    SECTION 2 - SOFTWARE REQUIREMENTS SOFTWARE UPDATES FOR SERVICERS SOFTWARE UPDATE RESPONSIBILITY Software updates are designed to be performed by the customer. The models in this manual utilize a generic type Main Board. In Warranty repairs in which the issue can be resolved by a software the past, many different Main Boards needed to be stocked due to update are not reimbursable.

  • Page 21: Checking The Software Version

    EXAMPLES OF SOFTWARE CORRECTABLE SYMPTOMS 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 Most symptoms that are correctable by software updates involve menu.

  • Page 22: Section 3 - Chassis Overview

    SECTION 3 - CHASSIS OVERVIEW OVERVIEW The primary circuits contained in the AZ2-F chassis for the consists of a Main Board (designated as the BATV Board), Power Supply Board (designated as the G10 Board for the 32” models, G4 Board for the 40” models, G5 Board for the 46” models and G6 Board and G8 Board for the 55”...
  • Page 23 NOTE: The LD Board is NOT included with the LCD Panel BATV SWITCH UNIT TCON HEM2 HLR2 HMS3 FIGURE 3-2. BOARD LAYOUT FOR KDL-40EX725 NOTE: The LD Board is NOT included with the LCD Panel BATV SWITCH UNIT TCON HLR2 HMS3 HEM2 FIGURE 3-3.
  • Page 24 SECTION 3 - CHASSIS OVERVIEW NOTE: The LD Board is NOT included with the LCD Panel BATV SWITCH UNIT TCON HEM2 HLR2 HMS3 FIGURE 3-4. BOARD LAYOUT FOR KDL-55EX725 ONLY KDL-32EX725/40EX725/46EX725/55EX725...

  • Page 25: Overall Circuit Description

    SECTION 3 - CHASSIS OVERVIEW OVERALL CIRCUIT DESCRIPTION HDMI Input and Switching: The customer can select the HDMI1, HDMI2, HDMI3, HDMI4 input. Each HDMI input contains a common EDI NVM (not shown) to provide display information data to any “Figure 3-6. Overall Block Diagram” on page 23 provides an device connected via the HDMI inputs.

  • Page 26: Power Supply

    SECTION 3 - CHASSIS OVERVIEW POWER SUPPLY 3D IR EMITTER There are different Power Supply Boards used in the models in this Designated as the HEM2 Board, this board is the internal 3D IR manual. The type of board depends on the size of LCD panel. They Emitter.

  • Page 27: Lcd Panel Assembly

    SECTION 3 - CHASSIS OVERVIEW LCD PANEL ASSEMBLY The LCD Panel Assembly includes the LCD Panel, TCON Board, and LED Backlight system. NOTE: The LD Board is NOT included with the LCD Panel. The LCD Panel contains the actual liquid crystals, color filters, and polarizers.

  • Page 28: Diagrams

    SECTION 3 - CHASSIS OVERVIEW DIAGRAMS Ether USB1 USB2 X’tal 27MHz DiSEqC_Out H Con. TCON DiSEqC_In Silicon [LNBH23] Satellite Satellite Zero-IF BLOCK DIAGRAM Tuner Ext Demod IFAGC Cable [HORUS3] [SEKITO2] I2CB DDR3 USB4 USB3 Current Current DMD_CLK_ENABLE2 PEL3 –1333 Limit Limit DMD_CLK_ENABLE1 Wifi...
  • Page 29 SECTION 3 - CHASSIS OVERVIEW Power Key Keys Function Keys Switch Unit Motion Sensor LEDs HMS3 IR Sensor Power/ Light Level SIRCS 3D Emitter HLR2 HEM2 X-Reality Processor TV Microprocessor RF Input Optical Digital Audio Output Video Processing HDMI Processing Headphone/Analog Audio Output Component/Composite HDCP Processing...

  • Page 30: Connector Diagrams

    SECTION 3 - CHASSIS OVERVIEW CONNECTOR DIAGRAMS BAT- V board T- con Board HMS3 board BLK Board BLK Board JAM 3pin Straight To BAT Panel_Ctrl2 / TCON_RD Y Panel_Ctrl3 / T_TD_HSY PANEL FFC -OUT1 - 821- 130- 11 BD GND Panel_Ctrl4 / X_FRC_RS SLCD : 96pin -OUT2...
  • Page 31 SECTION 3 - CHASSIS OVERVIEW T- con Board HEM2 Board t t i Except EX720 Model GLS_CTR GLS_CTRL2 EMI_FAIL 1-821-135-11 1-819-460-11 CN6704 (32" G10A) CN6151(46"G5D) S JM20-28WLB To B board (100106) T-CON_Vcc12V T- con T- con T-CON_VCC12V T-CON_VCC_12V To B 24 BDR_ASU_12V 1-819-468-11 Option...
  • Page 32 2.0ch: 4pin MOLEX 502439-040 2.0ch: CN4601 4pin 1-821-614-11 MOLE X 502494-0470 1-PWM3 1-PWM2 1-PWM1 SPEAKER (Fasten # 110) Front (Fasten # 187) R3 or RU board STBY3.3V RS232_RXD RS232_TXD SIRCS_IN G-B Harness G-B Harness SIRCS_OUT CN101 182018311 FIGURE 3-9. CONNECTOR DIAGRAM FOR KDL-40EX725 (1 OF 2) KDL-32EX725/40EX725/46EX725/55EX725...
  • Page 33 LD_ERR GL_CTRL LED_ON GL_CTRL CN1002 LED_ON 0-844-177-01 CN6801 (40" G4B) CN6705 (32" G10A) 1-822-339-11 JST XA 14P SM12B-PBVSS-TB(LF)(SN) AC_ IN AC-N AC pigtail AC pigtail AC-L CN6001 SFP79-02WLB JAM 1-822-908-11 FIGURE 3-10. CONNECTOR DIAGRAM FOR KDL-40EX725 (2 OF 2) KDL-32EX725/40EX725/46EX725/55EX725...
  • Page 34 SECTION 3 - CHASSIS OVERVIEW BAT- V board T- con Board(PEL3) HMS3 board BLK Board BLK Board JAM 3pin Straight To BAT BD USB GND BD VBUS BD USB_P Panel_Ctrl3 / T_TD_HSYN PANEL FFC -OUT1 - 821- 130- 11 BD GND SLCD : 96pin -OUT2 SHARP : 80pin...
  • Page 35 SECTION 3 - CHASSIS OVERVIEW HEM2 Board t t i Except EX720 Model GLS_CTRL GLS_CTRL2 EMI_FAIL 1-821-135-11 T- con Board(PEL3) CN6101 SJM20-28WLB T- con To B board (100106) T-CON_Vcc12V T- con T- con T-CON_VCC12V SM04B-PASS-TBT(LF)(SN) T-CON_VCC_12V To B BDR_ASU_12V Option Option BDR_ASU_12V REG12V...

  • Page 36: Section 4 - Troubleshooting

    SECTION 4 - TROUBLESHOOTING Self Diagnosis Supported model OVERVIEW This chapter provides information regarding the Self Diagnosis feature in our TVs. UPDATING THE SOFTWARE As mentioned in “Section 2 - Software Requirements” on page there are several issues that may be resolved by updating the software to the latest version.

  • Page 37: Triage Chart

    SECTION 4 - TROUBLESHOOTING TRIAGE CHART Before you make the service call… AZ2F Chassis: 1. Confirm the symptom from the customer. 2. Select that symptom from the chart. 3. Bring ONLY THE MOST LIKELY PART for that symptom. 4. Follow the troubleshooting charts in the technical guides to isolate the board. 5.

  • Page 38: Protection Shutdown

    SECTION 4 - TROUBLESHOOTING PROTECTION SHUTDOWN STANDBY LED FLASH COUNT Self Diagnosis Supported model The models in this manual contain a self-diagnostic function. If an error occurs, the standby LED will automatically begin to flash. The number of times the LED flashes translates to a probable source of the problem.
  • Page 39 SECTION 4 - TROUBLESHOOTING 2X Blink - Main Power Error regulate down to between 89V and 125V depending on the Backlight adjustment in the User Menu. If one of the negative supplies is 0V A 2X protection mode blink pattern can be activated due one of the or rises above -175V before shut-off then the Power Supply Board is following defects.
  • Page 40 NOTE: All models will make two attempts to power up before a 6X is speakers should measure 8 ohms. Shorted speakers or connections activated. The SONY logo (Backlight) may or may not display on the can cause a 3X blink protection mode.
  • Page 41 SECTION 4 - TROUBLESHOOTING If there is no backlight before the TV shuts off and activates a 6X, If the TV takes a considerable period of time to shut-off check the than check the Backlight ON signal from the TV microprocessor and following items: the Positive (+145V) Backlight power supply from the Power Supply Board.

  • Page 42: Diagnostic Code Descriptions

    SECTION 4 - TROUBLESHOOTING DIAGNOSTIC CODE DESCRIPTIONS The Diagnostic Table provides an overview of the number of times the standby LED blinks and the possible location. Diagnostic Item Number of times Diagnostic Item Possible Location Description Standby LED blinks G10 Board (32" Models Only) G4 Board (40"...

  • Page 43: Viewing The Self Check Diagnostic History

    SECTION 4 - TROUBLESHOOTING VIEWING THE SELF CHECK DIAGNOSTIC HISTORY CLEARING THE SELF CHECK DIAGNOSTIC LIST Since the diagnostic results displayed on the screen are not It is possible to bring up past occurrences of a failure for confirmation automatically cleared, always check the self-diagnostic screen after on the Self Check diagnostic history screen.

  • Page 44: Section 5 - Flow Charts And Diagrams

    SECTION 5 - FLOW CHARTS AND DIAGRAMS OVERVIEW The following flow charts provide information to determine what repair parts to order based on the TV error. KDL-32EX725/40EX725/46EX725/55EX725...

  • Page 45: No Power

    SECTION 5 - FLOW CHARTS AND DIAGRAMS NO POWER These voltage levels will vary slightly due to panel size (40" Panel Levels shown). 55" Models LCD Panel Assembly CN6102 CN6701 LED-ON +109V CN1001 CN6601 CN6502 CN1002 Backlights -61V to -82V CN6700 400V CN1000...
  • Page 46 SECTION 5 - FLOW CHARTS AND DIAGRAMS Power Error “Standby” LED illuminate steady RED? Press Remote Power Button Confirm TV is securely plugged into an Active AC Outlet Does the “Power” LED Light Green 110VAC Present Repair AC Outlet or Press TV at CN6001 Replace AC-Power Cord...

  • Page 47: Standby Led Blinking

    SECTION 5 - FLOW CHARTS AND DIAGRAMS STANDBY LED BLINKING Unit Shuts OFF RED LED Blinking 2X Blink Pattern REG12V Error Check REG12V *Before Shutdown Replace Is voltage Power Supply Present? Board Check Power-ON *Before Shutdown voltage Replace Main Board Present Replace Power Supply...
  • Page 48 SECTION 5 - FLOW CHARTS AND DIAGRAMS Unit Shuts OFF RED LED Blinking 3X Blink Pattern Audio Error Check Speakers & Connections Speakers Replace Measure Speaker(s) 8 ohms ? Check AU12V *Before Shutdown Replace Is voltage Power Supply Present ? Board Replace Main Board...
  • Page 49 SECTION 5 - FLOW CHARTS AND DIAGRAMS Unit Shuts OFF RED LED Blinking 4X Blink Pattern (Balancer Error) Replace LCD Panel Assembly Replace Is 4X still Main Board occuring ? Problem Solved FIGURE 5-5. 4 BLINK ERROR KDL-32EX725/40EX725/46EX725/55EX725...
  • Page 50 SECTION 5 - FLOW CHARTS AND DIAGRAMS Unit Shuts OFF RED LED Blinking 5X Blink Pattern TCON/HFR Error Check LVDS connection between LCD Panel (TCON) & BATV Brds Repair connection Connection Check TCON 12V supply Is 12V Replace Present ? TCON Board Check TCON ON Signal...
  • Page 51 RED LED Blinking Check +109V & -70V LED Supplies *Before Shutdown 6X Blink Pattern (Backlight Error) Replace all voltage Is “SONY” logo LCD Panel Present ? Displayed and Assembly Tones Heard? Backlight ON Before Shut Down? Check 24V to LD-Board...
  • Page 52 SECTION 5 - FLOW CHARTS AND DIAGRAMS Unit Shuts OFF RED LED Blinking 7X Blink Pattern Temperature Error Does unit Shut-Down Immediately after Power ON Clear unit ventilation areas and confirm adequate local room temperature Issue Does unit still shutdown (7X)? Resolved Replace Main Board...

  • Page 53: No Picture/No Sound

    SECTION 5 - FLOW CHARTS AND DIAGRAMS NO PICTURE/NO SOUND User Menu (XMB) Service Mode NAND FLASH IC1404 Video RF Input NTSC/ATSC User Data Audio Tuner IC White Balance Video GAMMA Video 1 (Composite) Audio Video Video 2 Audio LVDS Cable (Component / Composite) Video CN2001...
  • Page 54 SECTION 5 - FLOW CHARTS AND DIAGRAMS Missing or Distorted Video Check External Device Video Missing or Replace and Connections External Device Distorted on All Main Board Swap Devices and & connection OK connections Inputs? Repair External Device Distorted Video Missing or Distorted Missing Distortion...
  • Page 55 SECTION 5 - FLOW CHARTS AND DIAGRAMS Missing or Distorted Audio Check External Device Is Audio Replace and Connections External Device Missing or Distorted Main Board Swap Devices and & connection OK on All Inputs? connections Repair External Check Device HP Audio Output Replace Is Audio...

  • Page 56: Tv/Remote Commander Buttons Not Working

    SECTION 5 - FLOW CHARTS AND DIAGRAMS TV/REMOTE COMMANDER BUTTONS NOT WORKING TV POWER Button not working Replace the Harness Replace between Main Board to Switch Unit change Switch Unit Switch Unit Replace Replace Harness Main Board FIGURE 5-12. REMOTE COMMANDER MALFUNCTIONING KDL-32EX725/40EX725/46EX725/55EX725...
  • Page 57 SECTION 5 - FLOW CHARTS AND DIAGRAMS Remote Commander Buttons not working When using the remote commander Green LED light Mechanical Green LED blinks at power indicator (ex. bezel) at power indicator near sensor’s window Check the Harness between the Main Board Sensor is broken and the HLR Board Replace the Harness...

  • Page 58: Network Not Connecting

    SECTION 5 - FLOW CHARTS AND DIAGRAMS NETWORK NOT CONNECTING Wired Network on the TV Check Check Ethernet Cable Ethernet Cable Cable Connection Replace Main Board Auto Check Wired Set-up Check Local router DHCP server Local Access IP address setting Manual Check IP address Local router setting...
  • Page 59 SECTION 5 - FLOW CHARTS AND DIAGRAMS Wireless Network on the TV Error Message displays when the Replace USB Dongle Wireless Network is selected? Is the signal field strength too weak Access Point or is there No signal? Replace Main Board FIGURE 5-15.

  • Page 60: 3D Does Not Display

    SECTION 5 - FLOW CHARTS AND DIAGRAMS 3D DOES NOT DISPLAY 3D Error Verify nothing *IR has output is blocking Are the 3D glasses Replace on HEM Board, the signal from turned on? 3D glasses while 3D is displayed the Emitter to the glasses Replace HEM2 Board Turn glasses on...

  • Page 61: Skype Accessory Not Working

    SECTION 5 - FLOW CHARTS AND DIAGRAMS SKYPE ACCESSORY NOT WORKING Skype accessory not working USB plugged in? Insert USB Insert another -Unplug another Connect to Able to run Skype unit USB device a different Replace Main Board Skype App? -AC OFF/ON USB port USB dongle...
  • Page 62 SECTION 5 - FLOW CHARTS AND DIAGRAMS Previous page Audio problem Far end Sound quality? Call Skype Move unit away Auto-Focus work? Video/Audio quality? No video? sound test from speaker Video problem Network speed Enough Far end setting/system Skype unit network speed? far end system issue Manual Focus work?

  • Page 63: Section 6 - Disassembly/Part Number Information

    2-580-608-01 SCREW, +PSW M5X16 (SCREWS TO ATTACH TABLE-TOP STAND TO LCD TV) 4-259-177-02 NECK (M9) For product protection and safety reasons, Sony strongly recommends (KDL-32EX725 ONLY) that you use the screws provided with the TV 4-259-180-02 NECK (ML9) CAUTION: These screws cannot be used to secure the TV to...

  • Page 64: Rear Cover And Ac Cover Removal

    “Appendix A - Removing the Rear Cover” on page A-1 for complete instructions. A Remove screws from Rear Cover 5 from KDL-32EX725 Only 4 from KDL-40EX725 Only 6 from KDL-46EX725 Only 14 from KDL-55EX725 Only B Remove screws from Rear Cover...

  • Page 65: Switch Unit And Speakers Removal

    SECTION 6 - DISASSEMBLY/PART NUMBER INFORMATION NOTE: The components identified by a red outline and a mark contain NOTE: The components identified by shading SWITCH UNIT AND SPEAKERS REMOVAL confidential information. Specific instructions must be adhered to whenever mark are critical for safety. Replace only these components are repaired and/or replaced.

  • Page 66: Ld Board, Hem2 Board, Hlr2 Board And Hms3 Board Removal

    SECTION 6 - DISASSEMBLY/PART NUMBER INFORMATION NOTE: The components identified by a red outline and a mark contain NOTE: The components identified by shading LD BOARD, HEM2 BOARD, HLR2 BOARD confidential information. Specific instructions must be adhered to whenever mark are critical for safety. Replace only these components are repaired and/or replaced.

  • Page 67: G10/G4/G5/G6/G8 (Power Supply) Board, And Batv (Main) Board Removal

    (KDL-32EX725 ONLY) (KDL-32EX725 ONLY) ORDER THIS PART WHEN REPLACING THE LCD PANEL. 1-474-300-11 G4 BOARD, COMPLETE 4-256-435-01 LABEL, SHEET (BAT-V MOLD SIDE) (KDL-40EX725 ONLY) (KDL-40EX725/46EX725 ONLY) 1-474-309-11 G5 BOARD, COMPLETE ORDER THIS PART WHEN REPLACING THE LCD PANEL. (KDL-46EX725 ONLY) 4-258-700-71...

  • Page 68: Kdl-55Ex725 Only

    SECTION 6 - DISASSEMBLY/PART NUMBER INFORMATION NOTE: The components identified by a red outline and a mark contain NOTE: The components identified by shading KDL-55EX725 ONLY confidential information. Specific instructions must be adhered to whenever mark are critical for safety. Replace only these components are repaired and/or replaced.

  • Page 69: Panel Brackets And Lcd Panel Removal

    C Remove 2 screws from Side Vertical Panel Brackets (KDL-55EX725 Only) D Lift up Side Vertical Panel Brackets to detach from Bezel 3 from KDL-32EX725 Only 4 from KDL-40EX725 Only 6 from KDL-46EX725 Only 8 from KDL-55EX725 Only E Gently lift-up LCD Panel to detach from Bezel REF.

  • Page 70: Screw Legend

    NOT IN THIS MODEL ★ 7-685-646-79 SCREW +BVTP 3X8 TYPE2 IT-3 HMS3(1) ☆ 4-259-541-01 USER SCREW ST HEAD STAND to NECK(1), NECK to BASE STAND(2) KDL-40EX725 DESCRIPTION REMARKS TOTAL ▲ 2-580-608-01 SCREW, +PSW M5X16 TABLE-TOP STAND(3) △ 4-256-393-01 SCREW, +PSW M3X6 W12 RC(4), AC COVER(1) ■...

  • Page 71: Kdl-40Ex725 Only

    Specific instructions must be adhered to whenever mark are critical for safety. Replace only these components are repaired and/or replaced. with part number specified. See Appendix A: Encryption Key Components in the back of this manual. KDL-40EX725 ONLY KDL-46EX725 ONLY KDL-55EX725 ONLY REF. NO. PART NO.

  • Page 72: Accessories And Packaging

    SECTION 6 - DISASSEMBLY/PART NUMBER INFORMATION OPTIONAL ACCESSORIES ACCESSORIES AND PACKAGING THE 3D GLASSES LISTED BELOW ARE AVAILABLE THROUGH THE SONY STYLE WEBSITE. 4-273-012-11 MANUAL, INSTRUCTION USE THE DESCRIPTION TO LOCATE THE PART AND PRICING INFORMATION TDG-BR50/B 3D GLASSES (BLACK - SIZE SMALL)

  • Page 73: Wire Dressing

    SECTION 6 - DISASSEMBLY/PART NUMBER INFORMATION WIRE DRESSING KDL-32EX725 ONLY KDL-46EX725 ONLY FIGURE 6-3. KDL-46EX725 OVERALL WIRE DRESSING FIGURE 6-1. KDL-32EX725 OVERALL WIRE DRESSING KDL-55EX725 ONLY KDL-40EX725 ONLY FIGURE 6-4. KDL-55EX725 OVERALL WIRE DRESSING FIGURE 6-2. KDL-40EX725 OVERALL WIRE DRESSING KDL-32EX725/40EX725/46EX725/55EX725...

  • Page 74: Section 7 - Service Adjustments

    SECTION 7 - SERVICE ADJUSTMENTS OVERVIEW ACCESSING SERVICE ADJUSTMENTS 1. TV must be in standby mode. (Power off). As mentioned in “Section 2 - Software Requirements” on page 2. Access Service Mode by pressing the following buttons 13, the models in this manual utilize a generic type Main Board, therefore certain service adjustments settings must be changed or on the Remote Commander within a second of each confirmed when either the Main Board, LCD Panel, or TCON Board...

  • Page 75: Viewing Or Changing Service Data

    SECTION 7 - SERVICE ADJUSTMENTS VIEWING OR CHANGING SERVICE DATA 3. The DIGITAL Service Menu displays. NOTE: There are 3 Service Menus for this model, Within each Service Menu are Categories and data information. DIGITAL, CHASSIS, and VPC. If the DIGITAL Service Category Name Menu is not displayed, press JUMP...

  • Page 76: Updating Service Adjustment Data When Replacing The Main Board

    SECTION 7 - SERVICE ADJUSTMENTS UPDATING SERVICE ADJUSTMENT DATA SELECTING THE SEGMENT CODE WHEN REPLACING THE MAIN BOARD Before proceeding, update the software to the latest version. After updating the software, go into Service Mode to select the correct Segment Code data value. The following procedures must be performed after replacing the Main Board and updating the software to ensure that the service 1.

  • Page 77: Selecting The Destination

    SECTION 7 - SERVICE ADJUSTMENTS 4. Using the table, press to increase the data value or HOME 6. Exit service mode by pressing and then turn the to decrease the data value, to select the correct TV power off. segment code data value. 7.
  • Page 78 SECTION 7 - SERVICE ADJUSTMENTS 2. Access Service Mode by pressing the following buttons 5. Using the table, press to increase the data value or on the Remote Commander within a second of each to decrease the data value, to select the correct other: destination of the TV.

  • Page 79: Selecting The Model Name

    SECTION 7 - SERVICE ADJUSTMENTS When complete, the screen briefly indicates the 9. If the correct model does not display, press until the process is “Done”. model displayed matches the model of the TV. 10. Press MUTING then press to WRITE (Save) the DIGITAL SERVICE changes.

  • Page 80: Selecting The Bu Trans

    SECTION 7 - SERVICE ADJUSTMENTS SELECTING THE BU TRANS SERVICE This procedure is to copy the White Balance adjustment data from DATA_COPY the TCON Board to the Main Board. The BU Trans service item is BU_TRANS under the VPC service menu. Verify before proceeding to the next step: DATA TRANSFER NG ;...

  • Page 81: Adding The Serial Number

    SECTION 7 - SERVICE ADJUSTMENTS ADDING THE SERIAL NUMBER 17. Press JUMP OPTIONS on the Remote Commander until the DIGITAL menu displays. The replacement board does not contain a serial number. Use the following instructions to add the customer’s serial number. DIGITAL SERVICE CAUTION: The serial number can only be entered once.
  • Page 82 SECTION 7 - SERVICE ADJUSTMENTS 20. Press to display the Serial Number Edit option. 23. Press the select button WRITE (Save) the serial number to the replacement Main Board. DIGITAL (MODEL) SERVICE SerialNumberEdit DIGITAL (MODEL) SERVICE SerialNumberEdit *1 SerialNumber *1 SerialNumber Please input serial number (0000000-9999999) 3001318...

  • Page 83: Confirming The Model Id And Product Id

    KDL-46EX725 LTY460HJ0501 3D65E206 0E050000 KDL-46EX725 T460HW08 V2 3D65E21E 0E050000 KDL-46EX725 V460H1-LE5 3D65E252 0E050000 ; Selected the Segment Code KDL-40EX725 LTU400HF0301 3D65E21F 0E050000 KDL-40EX725 T400HW04 V1 3D65E220 0E050000 ; Selected the Destination KDL-40EX725 LTY400HF0901 3D65E21F 0E050000 ; Selected the Model Name...

  • Page 84: Updating Service Adjustment Data When Replacing The Lcd Panel

    SECTION 7 - SERVICE ADJUSTMENTS COPYING THE BU FLASH DATA 29. Wait a minute while lights flash, and initial setup screen shows. This procedure is to copy the White Balance adjustment data from 30. TV update is complete. the TCON Board to the Main Board. The BU Flash service item is The additional features of the TV are now available.
  • Page 85 SECTION 7 - SERVICE ADJUSTMENTS If successful, the data value changes to 3. 4. Press to move to the 001 DATA_BACKUP category and the 000 BU_FLASH item. SERVICE DATA_BAKUP SERVICE BU_FLASH DATA_BAKUP BU_FLASH DATA TRANSFER SUCCESS 5. To change the data value of the BU_FLASH, press 6.

  • Page 86: Confirming The Model Id And Product Id

    Verify before proceeding to the next step: KDL-46EX725 LTY460HJ0501 3D65E206 0E050000 KDL-46EX725 T460HW08 V2 3D65E21E 0E050000 KDL-46EX725 V460H1-LE5 3D65E252 0E050000 ; Copied the BU Flash Data KDL-40EX725 LTU400HF0301 3D65E21F 0E050000 KDL-40EX725 T400HW04 V1 3D65E220 0E050000 8. Press JUMP OPTIONS on the Remote Commander KDL-40EX725 LTY400HF0901 3D65E21F 0E050000 until the DIGITAL menu displays.

  • Page 87: Resetting The Panel Operation Time

    SECTION 7 - SERVICE ADJUSTMENTS 3. To clear the LCD Panel operating hours of the LCD 13. Wait a minute while lights flash, and initial setup screen Panel after replacing the panel, press shows. 14. Proceed to “ ”. Resetting the Panel Operation Time RESETTING THE PANEL OPERATION TIME SELF CHECK 000 RGB_SEN...

  • Page 88: Optional Adjustments

    3. Press JUMP OPTIONS on the Remote Commander until the VPC menu displays. All Sony TVs are set for optimal viewing performance. Refer to the SERVICE following instructions if the customer requests additional adjustments. DATA_COPY BU_TRANS SETTING WHITE BALANCE ADJUSTMENTS White Balance adjustment data is located on the Digital Service Menu.

  • Page 89: Resetting The Tv To Factory Condition

    SECTION 7 - SERVICE ADJUSTMENTS RESETTING THE TV TO FACTORY 4. When the process is complete the green SERVICE text displays and the LED display as shown below: CONDITION Use the following instructions to restore the User Adjustments and Channel Memory settings to the preset factory conditions. 1.
  • Page 90 Sony Electronics Reproduction in whole or part without written permission is prohibited. All rights reserved Sony Corporation English 2011CJ74WEB-1 Sony Technology Center Printed in USA Technical Services 9-888-439-02 © 2011.3 Service Publication Department KDL-32EX725/40EX725/46EX725/55EX725...

  • Page 91: Appendix A - Removing The Rear Cover

    APPENDIX A - REMOVING THE REAR COVER Refer to the following illustration when handling the Rear Cover for the KDL-55EX725 Models. Handle the Rear Cover using these areas. Areas with yellow have sharp edges. Use caution with these areas. Areas with red have sharp edges and are reinforced .Use...

  • Page 92: Removing The Power Cord From The Rear Cover

    APPENDIX A - REMOVING THE REAR COVER REMOVING THE POWER CORD FROM THE KDL-32EX725 REAR COVER 1. Using the instructions provided in the “Rear Cover and AC Cover Removal” on page 58, remove the screws from the Rear Cover. The AC Power Cord is connected to the Power Supply Board and then routed out through the Rear Cover.
  • Page 93 APPENDIX A - REMOVING THE REAR COVER 4. Gently start to lift the Rear Cover to detach it from the Cover. Do not pull the AC Power Cord or damage the Bezel. connector on the Power Board. 7. Disconnect the AC Power Cord to detach from Power 5.

  • Page 94: Kdl-40Ex725

    APPENDIX A - REMOVING THE REAR COVER KDL-40EX725 8. Release the clips on the inside of the rear cover to detach the AC Cover. 1. Using the instructions provided in the “Rear Cover and AC Cover Removal” on page 58, remove the screws from the Rear Cover.
  • Page 95 APPENDIX A - REMOVING THE REAR COVER 4. Gently start to lift the Rear Cover to detach it from the Bezel. 5. Continue pulling the Rear Cover up from the Bezel one section at a time. 7. Disconnect the AC Power Cord to detach from Power Supply Board.

  • Page 96: Kdl-46Ex725

    APPENDIX A - REMOVING THE REAR COVER KDL-46EX725 8. Release the clips on the inside of the rear cover to detach the AC Cover. 1. Using the instructions provided in the “Rear Cover and AC Cover Removal” on page 58, remove the screws from the Rear Cover.
  • Page 97 APPENDIX A - REMOVING THE REAR COVER 4. Gently start to lift the Rear Cover to detach it from the HINT: Support the Rear Cover by placing your hand Bezel. above the screw hole on the Rear Cover. 7. Lift up Rear Cover with AC Cover and AC Power Cord attached.
  • Page 98 APPENDIX A - REMOVING THE REAR COVER 8. Disconnect the AC Power Cord to detach from Power Supply Board. 9. Release the clips on the inside of the rear cover to detach the AC Cover. KDL-32EX725/40EX725/46EX725/55EX725...

  • Page 99: Appendix B - Attaching The Rear Cover

    APPENDIX B - ATTACHING THE REAR COVER REATTACHING THE REAR COVER TO THE BEZEL The following instructions provide additional information for re-attaching the Rear Cover to the LCD Panel. KDL-32EX725 1. Gently place the LCD Panel face down onto a soft cloth. 2.

  • Page 100: Kdl-40Ex725

    APPENDIX B - ATTACHING THE REAR COVER KDL-40EX725 KDL-46EX725 1. Gently place the LCD Panel face down onto a soft 1. Gently place the LCD Panel face down onto a soft cloth. cloth. 2. Re-attach the Rear Cover. 2. Re-attach the Rear Cover.

  • Page 101: Appendix C - Replacing The Lcd Panel

    APPENDIX C - REPLACING THE LCD PANEL REMOVING THE LCD PANEL FROM THE NOTE: A flat head screw driver can be used to remove the brackets. BEZEL The LCD Panel is adhered to the Bezel using double sided tape. When replacing the panel, you should also replace the tape. Caution: These instructions should be followed whenever separating the LCD Panel from the Bezel.

  • Page 102: Reattaching The Lcd Panel Onto The Bezel

    APPENDIX C - REPLACING THE LCD PANEL REATTACHING THE LCD PANEL ONTO 4. Placing one hand between the LCD Panel and the bezel, gently start to lift the panel away from the bezel. THE BEZEL Lift up by The double-sided tape used to adhere the LCD Panel to the Bezel holding the bezel should be replace whenever the panel or the...
  • Page 103 APPENDIX C - REPLACING THE LCD PANEL 3. Using the following illustrations, place the double-sided tape onto the bezel. 46” 32” 32 models use 2 pieces 46 models use 3 pieces 40” 1position 55” DOUBLE SIDED TAPE (PANEL 10) 3position 10x15mm t=0.4 10x350mm t=0.4 40 models use 2 pieces...
  • Page 104 APPENDIX C - REPLACING THE LCD PANEL 4. Place the top of the LCD Panel onto the bezel. a. Adjust the right and left side so the panel fits securely onto the bezel. b. Slowly place the bottom of the panel within the bezel.

This manual is also suitable for:

Kdl-32ex725Kdl-46ex725Kdl-55ex725

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