Sony KDL-46CX520 Service Manual
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Sony KDL-46CX520 Service Manual

Lcd digital color tv az2-f chassis
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HISTORY INFORMATION FOR THE FOLLOWING MANUAL:
SERVICE MANUAL
ORIGINAL MANUAL ISSUE DATE: 2/2011
Version Date
Subject
1.0
2/2/2011
No revisions or updates are applicable at this time.
2.0
6/24/2011 Added VCOM Adjustments to Sect. 7 - Service Adjustments. Replaced and/or added pages 51-56.
Updated TOC.
AZ2-F
Chassis
Segment: P-2
LCD Digital Color TV
9-888-390-02

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  • Page 1 HISTORY INFORMATION FOR THE FOLLOWING MANUAL: SERVICE MANUAL AZ2-F Chassis Segment: P-2 ORIGINAL MANUAL ISSUE DATE: 2/2011 Version Date Subject 2/2/2011 No revisions or updates are applicable at this time. 6/24/2011 Added VCOM Adjustments to Sect. 7 - Service Adjustments. Replaced and/or added pages 51-56. Updated TOC.
  • Page 2 Self Diagnosis Supported model SERVICE MANUAL AZ2-F Chassis Segment: P-2 KDL-46CX520 LCD Digital Color TV 9-888-390-02...

  • Page 3: Model List

    MODEL LIST MODEL COMMANDER DESTINATION MODEL COMMANDER DESTINATION KDL-32CX520 RM-YD071 LATIN AMERICA KDL-40CX520 RM-YD071 LATIN AMERICA 9-888-390-02...

  • Page 4: Table Of Contents

    TABLE OF CONTENTS Section 1 - Safety and Features..........1 Section 3 - Chassis Overview ..........15 Warnings and Cautions ..............1 Overview ..................15 Handling the LVDS FFC Connector ..........3 Overall Circuit Descriptions ............16 Safety-Related Warnings ............4 Main Board ................16 Safety Check-Out ...............5 Switch Unit ................
  • Page 5 TABLE OF CONTENTS Network Not Connecting ............37 Verifying Service Adjustments ..........50 Skype Accessory Not Working ..........39 Verifying the Segment Code ............. 50 Verifying the Destination ............50 Section 6 - Disassembly/Part Number Information ....41 Verifying the Model Name ............51 Table-Top Stand Assembly Removal ........41 Setting VCOM Adjustments .............51 Rear Cover and AC Cover Removal ........42...

  • Page 6: Section 1 - Safety And Features

    Components identified by shading and ! mark on the exploded views are critical for safe operation. 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 7: Cleaning The Lcd Panel

    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,...

  • Page 8: Handling The Lvds Ffc Connector

    SECTION 1 - SAFETY AND FEATURES HANDLING THE LVDS FFC CONNECTOR DISCONNECTING THE LVDS FFC CONNECTOR CONNECTING THE LVDS FFC CONNECTOR 1. Gently press down on the release tabs of the connector slot. 1. Holding onto the entire LVDS FFC Connector, 2.

  • Page 9: 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 10: 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 11: Leakage Test

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

  • Page 12: 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 fl ash. The number of times the LED fl ashes translates to a probable source of the problem. A defi nition of the STANDBY LED fl ash indicator is listed in the Operating Instruction manual for the user’s reference.

  • Page 13: 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 14: Faster Start-Up

    SECTION 1 - SAFETY AND FEATURES FASTER START-UP PRESENCE SENSOR Quick Start & Viewing feature enables this Sony television to go from Save energy when you’re not around. The television’s built-in motion ‘OFF’ to ‘ON’ 2-3 times faster than previous Sony televisions.

  • Page 15: Specifications

    SECTION 1 - SAFETY AND FEATURES SPECIFICATIONS PRECAUCIÓN El logotipo de “FACE DETECTION” es Para evitar descargas eléctricas y una marca comercial registrada de Sony exposición a contactos eléctricos, no Sistema Corporation. utilice este enchufe polarizado de Sistema de TV...
  • Page 16 SECTION 1 - SAFETY AND FEATURES Verificación de los Nombre del modelo KDL- 40CX520 32CX520 Alimentación y otras especificaciones accesorios Requisitos de alimentación 110-240 V ca, 50/60 Hz Consumo energético 170W 101W en uso Control remoto (1) en espera Menos de 0,15W con 120 V ca y menos de 0,25 W con 240 V ca Pilas de tamaño AAA (2) Tamaño de pantalla (cm)

  • Page 17: 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 18: Software Updates For Servicers

    The easiest way to check the version of software that is currently on In addition to software installation, service adjustment information the TV is to access the Contact Sony screen by using the customer may need to be modified or verified to complete the service of the menu.

  • Page 19: Examples Of Software Correctable Symptoms

    SECTION 2 - SOFTWARE REQUIREMENTS 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 specific function. Below is a list of some of the symptoms that may be corrected with a software update: ●...

  • Page 20: Section 3 - Chassis Overview

    SECTION 3 - CHASSIS OVERVIEW OVERVIEW The primary circuits contained in the AZ2F chassis for the consists of a main circuit board (designated as the BATV board), power supply board (G2AS for the 32” and the G2BS for the 40”), the HMS3 board, HLR2 board, Timing Control (TCON), and the LCD panel assembly. NOTE: For connector part number information, refer to “Connectors”...

  • Page 21: Overall Circuit Descriptions

    SECTION 3 - CHASSIS OVERVIEW OVERALL CIRCUIT DESCRIPTIONS LCD PANEL ASSEMBLY The LCD Panel Assembly includes the LCD Panel, TCON Board, and “Figure 3-4. Block Diagram” on page 17 provides an overview of the LED Backlight system. AZ2-F chassis. Below is a description of the components and their functions.
  • Page 22 SECTION 3 - CHASSIS OVERVIEW USB1 Ether USB2 X’tal 27MHz DiSEqC_Out H Con. TCON Silicon DiSEqC_In [LNBH23] Satellite Zero-IF Tuner Ext Demod IFAGC Cable [HORUS3] [SEKITO2] I2CB DDR3 USB4 Current Current USB3 DMD_CLK_ENABLE2 Limit Limit –1333 DMD_CLK_ENABLE1 Wifi [TPS2553DBV] [TPS2553DBV] DMD_RST Current X’tal...
  • Page 23 SECTION 3 - CHASSIS OVERVIEW BAT- V board T- con Board(60Hz) HMS3 board JAM 3pin Straight To BAT Panel_Ctrl3 / T_TD_HSYN P-1/2 1- 821- 130- 11 BD GND LUT_SEL2 BD USB_N Panel_Ctrl5 / LR_FLAG LUT_SEL1 (For PANEL FFC LUT_SEL0 96pin SW module NEL_SEL D_VSY N...

  • Page 24: Section 4 - Troubleshooting

    SECTION 4 - TROUBLESHOOTING Self Diagnosis Supported model OVERVIEW This chapter provides information regardng the Self Diagnosis feature in our TVs. UPDATING THE SOFTWARE As mentioned in “Section 2 - Software Requirements” on page 12 there are several issues that may be resloved by updating the software to the latest version.

  • Page 25: Triage Chart

    SECTION 4 - TROUBLESHOOTING TRIAGE CHART Use the Triage Chart to determine what may possibly be causing the error before going out to the customers location. Before you make the service call… 1. Confirm the symptom from the customer. 2. Select that symptom from the chart. 3.

  • Page 26: Protection Shutdown

    SECTION 4 - TROUBLESHOOTING PROTECTION SHUTDOWN STANDBY LED FLASH COUNT Self Diagnosis Supported model Critical voltages and circuit operations are monitored by the CPU on the main board. If a fault is detected the Self-Diagnostic function in the TV will force the TV to shut down by the CPU. The monitored circuit in which the fault occurred will cause the CPU to flash the Stand-By LED in groups of repeating sequences.
  • Page 27 SECTION 4 - TROUBLESHOOTING 2X Blink - Main Power Error 6X Blink - Backlight System Failure A loss of REG12V from the power supply triggers this protect If the inverter circuits fails to generate high voltage or one or more event.

  • Page 28: Diagnostic Code Descriptions

    SECTION 4 - TROUBLESHOOTING DIAGNOSTIC CODE DESCRIPTIONS The Diagnotic Table provides an overview of the number of times the Standby LED blinks and the possible location. Number of times Diagnostic Item Possible Causes Possible Location Standby LED blinks RGB_SEN RGB Sensor ACK Error Main Power G2AS (Power) Board (KDL-32CX520 Only) MAIN_POWER...

  • Page 29: 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 30: 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. DIAGNOSING THE ERROR Use the Overall Flowchart to determine which flowchart to review to find a solution. START Does the Power Led Is the network...

  • Page 31: No Power

    SECTION 5 - FLOW CHARTS AND DIAGRAMS NO POWER No Power Check STBY 3.3V Replace Harness at 10 pin of CN6001 Between G* Board and G* Board on the B* Board B* Board B* Board Harness FIGURE 5-2. NO POWER KDL-32CX520/40CX520...

  • Page 32: Standby Led Blinking

    SECTION 5 - FLOW CHARTS AND DIAGRAMS STANDBY LED BLINKING 2X Blink Check REG12V at Replace Harness pins 2/3 of 12V NG between G* Board and G* Board CN6001 on B* Board the B* Board 12V OK B* Board Harness FIGURE 5-3.
  • Page 33 SECTION 5 - FLOW CHARTS AND DIAGRAMS AUDIO 3 X Blink Check AUDIO+12.5V DC_ALERT at pin 8/9 of G* Board CN6001 on the B* Board Check D+1.2V at F6001,IC6005,etc JL6007 (B* Board) on the B* Board Check +12.5V F4601,IC4601,etc at F4601 on (B* Board) the B* Board Check +3.3V_MAIN...

  • Page 34: Lcd Panel

    SECTION 5 - FLOW CHARTS AND DIAGRAMS 5X Blink Check LCD PANEL_VCC 12V NG LCD PANEL (T-con) G* Board B* Board at pin 1 of change CN6001 on on the B* Board 12V OK Symptom improvement Replace the Symptom Harness improvement between G* and Harness...
  • Page 35 SECTION 5 - FLOW CHARTS AND DIAGRAMS 6X Blink Under 2.65V Check BL_ERR at B* Board pin 7 of CN6002 on the B* Board Over 2.65V Symptom improvement Change G* Board G* board LCD PANEL FIGURE 5-6. 6 BLINK ERROR KDL-32CX520/40CX520...
  • Page 36 SECTION 5 - FLOW CHARTS AND DIAGRAMS 7X Blink Setting is OK? Set to another Check Temperature Location, etc. Ventilation. Change B* Board, LCD PANEL B* Board FIGURE 5-7. 7 BLINK ERROR FIGURE 5-8. KDL-32CX520/40CX520...

  • Page 37: Power Led

    SECTION 5 - FLOW CHARTS AND DIAGRAMS POWER LED (Green) blinking Check the harness between the G* Board Harness and LCD PANEL Check LCD PANEL LCD PANEL Check G* Board G* Board B* Board FIGURE 5-9. POWER LED BLINKING KDL-32CX520/40CX520...

  • Page 38: No Picture

    SECTION 5 - FLOW CHARTS AND DIAGRAMS NO PICTURE No Picture BL_ON:H 12V OK LCD PANEL_VCC Check Press HOME Key Replace LCD PANEL At JL6004 on the BL_ON at JL6018 XMB (Menu) displayed? the LVDS Harness (TCON) B* Board on the B* Board 12V NG BL_ON: L Harness...

  • Page 39: No Sound

    SECTION 5 - FLOW CHARTS AND DIAGRAMS NO SOUND No Sound “Audio System” Change to Check the “Speakers setting” “TV Speaker” “TV Speakers” Check the Speaker Replace B* Board Harness the B* Board Speaker Harness Speaker FIGURE 5-11. AUDIO ERROR KDL-32CX520/40CX520...

  • Page 40: 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 between B* to Switch Unit change Switch Unit Switch Unit Harness B* Board FIGURE 5-12. TV BUTTONS MALFUCTIONING KDL-32CX520/40CX520...
  • Page 41 SECTION 5 - FLOW CHARTS AND DIAGRAMS Remote Commander Buttons not working Green LED blinks Green LED light at power indicator Mechanical at power indicator when using commander (ex. bezel) near sensor’s window Check the Harness between the B* Board Sensor is broken and the HLR Board Exchange the Harness...

  • Page 42: 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 B* Board Auto Check Wired Set-up Check Local router DHCP server Local Access IP address setting Manual Check IP address and Local router setting Check...
  • Page 43 SECTION 5 - FLOW CHARTS AND DIAGRAMS Wireless Network on the TV Error Message displays when the USB Dongle Wireless Network is selected? Is the signal field strength too weak Access Point or is there No signal? B* Board FIGURE 5-15. USB DEVICE MALFUCTIONONG KDL-32CX520/40CX520...

  • Page 44: 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 B* board Skype App? -AC OFF/ON USB port USB dongle Spec.
  • Page 45 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 46: Section 6 - Disassembly/Part Number Information

    2-580-608-01 SCREW, +PSW M5X16 (SCREWS TO ATTACH TABLE-TOP STAND TO LCD TV) 4-259-178-01 NECK (M3) For product protection and safety reasons, Sony strongly recommends (KDL-32CX520 ONLY) that you use the screws provided with the TV 4-259-181-01 NECK (ML3) CAUTION: These screws cannot be used to secure the TV to...

  • Page 47: Rear Cover And Ac Cover 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 confidential information. Specific instructions must be adhered to whenever mark are critical for safety. Replace only REAR COVER AND AC COVER REMOVAL these components are repaired and/or replaced.

  • Page 48: G2As/G2Bs (Power) Board, Switch Unit And Speaker 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 confidential information. Specific instructions must be adhered to whenever mark are critical for safety. Replace only G2AS/G2BS (POWER) BOARD, SWITCH UNIT AND SPEAKER REMOVAL these components are repaired and/or replaced.

  • Page 49: Batv (Main) Board, Hlr2 Board, Hms3 Board And Lcd Panel 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 confidential information. Specific instructions must be adhered to whenever BATV (MAIN) BOARD, HLR2 BOARD, HMS3 BOARD AND LCD PANEL mark are critical for safety.

  • Page 50: Screw Legend

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

  • Page 51: Accessories And Packing

    2-580-608-01 SCREW, +PSW M5X16 (SCREWS TO ATTACH TABLE-TOP STAND TO LCD TV) REMOTE COMMANDER For product protection and safety reasons, Sony strongly recommends that you use the screws provided with the TV 1-489-664-11 REMOTE COMMANDER (RM-YD071) CAUTION: These screws cannot be used to secure the TV to...

  • Page 52: Wire Dressing Diagrams

    SECTION 6 - DISASSEMBLY/PART NUMBER INFORMATION WIRE DRESSING DIAGRAMS KDL-40CX520 ONLY KDL-32CX520 ONLY KDL-32CX520/40CX520...

  • Page 53: 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 12 models in this manual utilize a “generic” type main board, therefore 2.

  • Page 54: 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, DIGITAL, Within each Service Menu are Categories and data information. CHASSIS, and VPC. If the DIGITAL Service Menu is not Category Name displayed, press JUMP or OPTIONS on the Remote Commander.

  • Page 55: Verifying Service Adjustments

    SECTION 7 - SERVICE ADJUSTMENTS VERIFYING SERVICE ADJUSTMENTS 3. Press 2 to move to the 002 MODEL category. The following procedures should be perfomed after updating the DIGITAL SERVICE software to ensure that the service adjustment data is accurate. 002 MODEL 000 SEG I1_I5 ●...

  • Page 56: Verifying The Model Name

    SECTION 7 - SERVICE ADJUSTMENTS 7. Using the table, press 3 to increase the data value or 12. To exit service mode, press HOME or turn the TV power to decrease the data value, to select the correct off. destination of the TV. SETTING VCOM ADJUSTMENTS DESTINATION DATA VALUE...

  • Page 57: Adjusting The Vcom Data

    SECTION 7 - SERVICE ADJUSTMENTS 6. Chose one of the VCOM test patterns to determine which 4. Press 0 to display the TEST PATTERN. one displays the most flickering. a. Press 7 to display VCOM Adjustment1. DIGITAL (DIG_SERV_MODE) SERVICE b. Press ENTER twice to display the VCOM test pattern. TEST PATTERN 1 VIDEO 2 AUDIO...

  • Page 58: Verifying The Vcom Adjustment Settings

    SECTION 7 - SERVICE ADJUSTMENTS COMPLETING THE VCOM ADJUSTMENTS 12. Press 1 to move to 001 ADJUST item. 18. Press JUMP to access the VPC Service Menu. 19. Press 2 to move to 002 VCOM category. SERVICE 002 VCOM 20. Press 1 to move to 000 ENABLE item. 001 ADJUST SERVICE 002 VCOM...

  • Page 59: Optional Adjustments

    SECTION 7 - SERVICE ADJUSTMENTS OPTIONAL ADJUSTMENTS 3. Press JUMP or OPTIONS on the Remote Commander until the VPC menu displays. All Sony TVs are set for optimal viewing perforrmance. Refer to the following instructions if the customer requests additonal adjustments. SERVICE DATA_COPY...

  • Page 60: Resetting The Tv To Factory Condition

    SECTION 7 - SERVICE ADJUSTMENTS EXE-RST displays green, then red indicating the TV is 9. To save the changes, press MUTING then press 0 . writing the data. 10. To exit service mode, press HOME or turn the TV power When the process is complete the green SERVICE text off.
  • Page 61 Sony Electronics Reproduction in whole or part without written permission is prohibited. All rights reserved Sony Corporation English 2011BJ74WEB-1 Sony Technology Center Printed in USA Technical Services 9-888-390-02 © 2011.2 Service Publications Department KDL-32CX520/40CX520...

  • Page 62: Appendix A - Removing The Rear Cover

    APPENDIX A - REMOVING THE REAR COVER REMOVING THE POWER CORD FROM THE 3. Disconnect the AC Power Cord to detach from Power Supply Board. REAR COVER The AC Power Cord is connected to the Power Supply board and then routed out through the Rear Cover. When removing the Rear Cover use caution to avoid pulling the AC Power Cord which may damage the cord.

This manual is also suitable for:

Kdl-40cx520Kdl-32cx520

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