Sony KDL-32BX320 Service Training Manual
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Sony KDL-32BX320 Service Training Manual

Az2-uk chassis. segment: p-2f.
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HISTORY INFORMATION FOR THE FOLLOWING MANUAL:
SERVICE/TRAINING MANUAL
ORIGINAL MANUAL ISSUE DATE: 1/2011
Version Date
1.0
1/17/2011
2.0
1/24/2011
Subject
No revisions or updates are applicable at this time.
Reissue entire manual.
AZ2-UK
Chassis
Segment: P-2F
LCD Digital Color TV
9-883-851-02

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Summary of Contents for Sony KDL-32BX320

  • Page 1 HISTORY INFORMATION FOR THE FOLLOWING MANUAL: SERVICE/TRAINING MANUAL AZ2-UK Chassis Segment: P-2F ORIGINAL MANUAL ISSUE DATE: 1/2011 Version Date Subject 1/17/2011 No revisions or updates are applicable at this time. 1/24/2011 Reissue entire manual. LCD Digital Color TV 9-883-851-02...
  • Page 2 SERVICE/TRAINING MANUAL AZ2-UK Chassis Segment: P-2F LCD Digital Color TV KDL-40BX420 9-883-851-02...
  • Page 3 MODEL LIST MODEL COMMANDER DESTINATION MODEL COMMANDER DESTINATION KDL-32BX320 KDL-46BX420 RM-YD065 MX/LA RM-YD065 MX/LA KDL-32BX320 RM-YD065 US/CND KDL-46BX420 RM-YD065 US/CND KDL-32BX321 KDL-46BX421 RM-YD065 MX/LA RM-YD065 US/CND KDL-32BX420 RM-YD065 KDL-32BX420 RM-YD065 US/CND KDL-32BX421 RM-YD065 KDL-32BX421 RM-YD065 US/CND KDL-40BX420 RM-YD065 MX/LA KDL-40BX420...

  • Page 4: Table Of Contents

    Video Failures ................22 BRAVIA® Sync™ Compatible ...........11 No Video ................... 22 KDL-32BX320/32BX321 Models Only ........11 Video Distortion ................ 23 All Except KDL-32BX320/32BX321 Models ......11 Audio Troubleshooting .............24 Specifications ................12 Power Supply Troubleshooting ..........25 Section 2 - Software Requirements.........14 Completely Dead Set ..............25 TV Won’t Power On ..............
  • Page 5 TABLE OF CONTENTS Diagnostic Code Descriptions ..........28 Connectors ................50 Viewing the Self Check Diagnostic History ....... 29 KDL-32BX320/32BX321/32BX420/32BX421 Only ....50 Clearing the Self Check Diagnostic List ........30 KDL-40BX420/40BX421 Only........... 51 Exiting the Self Check diagnostic screen........30 KDL-46BX420/46BX421 Only........... 52 Test Points ................30...

  • Page 6: 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 7 R If using a chemically pretreated cloth, please follow the instruction provided on the package. R Never use strong solvents such as a thinner, alcohol or benzine for cleaning. R Periodic vacuuming of the ventilation openings is recommended to ensure to proper ventilation. KDL-32BX320/32BX321/32BX420/32BX421/40BX420/40BX421/46BX420/46BX421...

  • Page 8: Safety-Related Warnings

    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. KDL-32BX320/32BX321/32BX420/32BX421/40BX420/40BX421/46BX420/46BX421...

  • Page 9: Warnings And Cautions - French

    Ne les remplacer que par des composants Sony dont le numero de piece est indique dans le present manuel ou dans des supplements publies par Sony. Les reglages de circuit dont l’importance est critique pour la securite du fonctionnement sont identifies dans le present manuel.
  • Page 10 R Si vous utilisez un chiffon chimique prétraité, suivez les directives figurant à l’emballage. R N’utilisez jamais de solvants puissants comme un diluant, de l’alcool ou du benzène pour nettoyer. R Nous recommandons de passer l’aspirateur de façon périodique sur les ouvertures de ventilation afin d’assurer une ventilation appropriée. KDL-32BX320/32BX321/32BX420/32BX421/40BX420/40BX421/46BX420/46BX421...
  • Page 11 9. Protégez le panneau des décharges électrostatiques afin d’éviter d’endommager le circuit électronique (C-MOS). 10. Pendant la réparation, NE LAISSEZ PAS l’alimentation en fonction pendant plus de 1 heure pendant que l’écran du téléviseur repose sur un tissu. KDL-32BX320/32BX321/32BX420/32BX421/40BX420/40BX421/46BX420/46BX421...

  • Page 12: Safety Check-Out

    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 below. KDL-32BX320/32BX321/32BX420/32BX421/40BX420/40BX421/46BX420/46BX421...
  • Page 13 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). Figure B. Checking for earth ground. KDL-32BX320/32BX321/32BX420/32BX421/40BX420/40BX421/46BX420/46BX421...

  • Page 14: Self Diagnosis Function

    If an error symptom cannot be reproduced, the remote commander can be used to review the failure occurrence data stored in memory to reveal past problems and how often these problems occur. For complete information, refer to Section 4 - Troubleshooting on page 22. KDL-32BX320/32BX321/32BX420/32BX421/40BX420/40BX421/46BX420/46BX421...

  • Page 15: Overview

    The AZ2-UK 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: Bravia® Sync™ Compatible

    Enjoy crisp, detailed and vibrant images in 720p picture quality while watching movies, sports and primetime HD television broadcasts via the 16:9 wide screen panel (1366 x 768). ALL EXCEPT KDL-32BX320/32BX321 MODELS FULL HD 1080P RESOLUTION Experience amazing Full HD 1080p picture quality, the highest at- home resolution.

  • Page 17: Specifications

    VIDEO IN 1/2 VIDEO: 1 Vp-p, 75 ohms unbalanced, sync negative or registered marks of Sony Corporation. AUDIO: 500 mVrms (Typical) / Impedance: 47 kilohms “PlayStation” is a registered trademark and “PS3” is a trademark of COMPONENT IN (Component Video): Y: 1.0 Vp-p, 75 ohms unbalanced, sync negative /...
  • Page 18 Remote control RM-YD065 (1)/Size AA batteries (2)/Operating Instructions (1)/Quick Setup Guide (1)/Warranty Card (1)/Safety and Regulatory Booklet (1)/Software License (1)/Stand installation common to all models guide (1)/Table-Top Stand (1 set) individual models Screw (7) Optional accessories Connecting cables / Support Belt Kit / Wall-Mount Bracket: SU-WL500 KDL-32BX320/32BX321/32BX420/32BX421/40BX420/40BX421/46BX420/46BX421...

  • 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

    The software update and procedures for the software The easiest way to check the version of software that is currently on installation are located on the Sony Authorized Servicer Portal at the TV is to access the Contact Sony screen by using the customer http://www.sony.com/asp. menu.

  • Page 21: Examples Of Software Correctable Symptoms

    SECTION 2 - SOFTWARE REQUIREMENTS EXAMPLES OF SOFTWARE CORRECTABLE SYMPTOMS Always check the Sony Authorized Servicer Portal at www.sony. com/asp site for any known and/or listed issues that are software related. Most symptoms that are correctable by software updates involve communications issues with other devices or minor glitches in the operation of a specific function.

  • Page 22: Section 3 - Chassis Overview

    G14 for the 40”, and G3 for the 46”), Timing Control (TCON), and the LCD panel assembly. The remaining boards contain switches and LED’s. NOTE: For connector part number information, refer to Connectors on page 50. For Wire Dressing information, refer to Wire Dressing on page G13 (32” MODELS ONLY) SWITCH UNIT FIGURE 3-1. CIRCUIT BOARD LOCATION FOR KDL-32BX320/32BX321/32BX420/32BX421 ONLY KDL-32BX320/32BX321/32BX420/32BX421/40BX420/40BX421/46BX420/46BX421...
  • Page 23 SECTION 3 - CHASSIS OVERVIEW G14 (40” MODELS ONLY) G3 (46” MODELS ONLY) SWITCH UNIT FIGURE 3-2. CIRCUIT BOARD LOCATION FOR KDL-40BX420/40BX421/46BX420/46BX421 ONLY KDL-32BX320/32BX321/32BX420/32BX421/40BX420/40BX421/46BX420/46BX421...

  • Page 24: Overall Circuit Description

    PFC and main Audio Processing: Analog audio sources are selected and A/D power supply at turn-on. converted directly by U3. The audio information is then processed KDL-32BX320/32BX321/32BX420/32BX421/40BX420/40BX421/46BX420/46BX421...

  • Page 25: Inverter

    The LCD panel assembly must be replaced. SWITCH UNIT This board contains the power, channel and volume up/down and menu buttons. H BOARD The power, standby and timer LED’s are located on this board along with the IR remote receiver and light sensor. KDL-32BX320/32BX321/32BX420/32BX421/40BX420/40BX421/46BX420/46BX421...
  • Page 26 IC4305 *HDMI 3 TEMP SENSE *BX421 MODELS ONLY LVDS INVERTER PC HD15 USB2.0 LCD PANEL SWITCH IR RX UNIT LIGHT SENSOR 24V B+ AND CTL AC IN POWER SUPPLY G13 (32") G14 (40") G3 (46") FIGURE 3-3. BLOCK DIAGRAM KDL-32BX320/32BX321/32BX420/32BX421/40BX420/40BX421/46BX420/46BX421...

  • Page 27: Section 4 - Troubleshooting

    Some distortions may occur that could be caused by either of these components but a NOTE: Always remember to check the Sony Authorized Servicer good understanding of the circuits and further investigation will Portal at www.sony.com/asp...

  • Page 28: Video Distortion

    Normally, you should be able to detect something on the screen • Diagonal lines within a matter of seconds. • No video Figure 5-2. Video Distortion Flowchart on page 32 should provide assistance in isolating the cause of the video loss. KDL-32BX320/32BX321/32BX420/32BX421/40BX420/40BX421/46BX420/46BX421...

  • Page 29: Audio Troubleshooting

    A past • Multi-colored vertical line patterns with a repetitive pattern article written for the Sony Newsletter described, in detail, how this process works. Service Tip: Whenever vertical lines of distortion appear, select an inactive input or disconnect the antenna in the tuner mode.

  • Page 30: Power Supply Troubleshooting

    CPU. if the backlights are turning on before the shutdown. The easiest way to determine this is to watch for the Sony logo to appear on the COMPLETELY DEAD SET screen. The television will make 2 or 3 attempts to achieve proper lighting of the lamps.

  • Page 31: Protection Shutdown

    Figure 5 times 5-4. Protection Shutdown Flowchart on page 34 provides guidance in locating the possible component causing the shutdown. LED ON 0.3 sec. LED OFF LED OFF 0.3 sec. 3 sec. FIGURE 4-2. BLINK COUNT KDL-32BX320/32BX321/32BX420/32BX421/40BX420/40BX421/46BX420/46BX421...
  • Page 32 If this occurs after the TV cases a loose or defective LVDS cable could also be the cause. has been running for a while, check for ventilation issues that could cause the TV to run hotter than normal. KDL-32BX320/32BX321/32BX420/32BX421/40BX420/40BX421/46BX420/46BX421...

  • Page 33: Diagnostic Code Descriptions

    G3 (Power) Board (for 46" models only) TEMP_ERR Temperature Error A Board FIGURE 4-3. DIAGNOSTIC TABLE NOTE: To provide information to customers regarding how to use their TV features or FAQs, refer the customer to the Sony esupport webstie http://esupport.sony.com/. KDL-32BX320/32BX321/32BX420/32BX421/40BX420/40BX421/46BX420/46BX421...

  • Page 34: Viewing The Self Check Diagnostic History

    001 indicates an error was detected AUD_PORT 000 indicates no error was detected DC_ALERT BALANCER TCON_ERR HFR_ERR P_ID_ERR PANEL_POWE BACKLITE TEMP_ERR 00000 00010 00000 [Menu] Exit Panel Operation Time by Hour (max 99999) Boot Count (max 99999) Total Operation Time by Hour (max 99999) KDL-32BX320/32BX321/32BX420/32BX421/40BX420/40BX421/46BX420/46BX421...

  • Page 35: Clearing The Self Check Diagnostic List

    Channel 0 . EXITING THE SELF CHECK DIAGNOSTIC SCREEN 1. To exit the Self Diagnostic Self Check screen, turn off the power to the TV by pressing the POWER button on the remote or the POWER button on the TV. KDL-32BX320/32BX321/32BX420/32BX421/40BX420/40BX421/46BX420/46BX421...

  • Page 36: Section 5 - Flow Charts And Diagrams

    Any OSD graphics A Board present? Unplug LVDS connector at TCON while unit Any flashes TCON is running. This seen on (LCD Panel) may need to be screen? done more than once A Board FIGURE 5-1. NO VIDEO FLOWCHART KDL-32BX320/32BX321/32BX420/32BX421/40BX420/40BX421/46BX420/46BX421...
  • Page 37 A Board missing colors? or bars? mode screen? changed? TCON A Board (LCD Panel) Any horizontal LCD Panel lines? Any single or isolated vertical LCD Panel lines? More than 1 TCON vertical band? (LCD Panel) FIGURE 5-2. VIDEO DISTORTION FLOWCHART KDL-32BX320/32BX321/32BX420/32BX421/40BX420/40BX421/46BX420/46BX421...

  • Page 38: Power Supply Information

    Is standby LED See protection High (3.3V) A Board blinking? flowchart on pin 2? G13 board (32") G13 board (32") G14 board (40") G3 board (46") G14 board (40") G3 board (46") FIGURE 5-3. POWER SUPPLY FLOWCHART KDL-32BX320/32BX321/32BX420/32BX421/40BX420/40BX421/46BX420/46BX421...

  • Page 39: Protection Information

    G3 board (46") A Board Check room After a While temperature and ventilation around unit Immediately A Board “SONY” logo G13 board (32") appears before G14 board (40") LCD Panel shutdown? G3 board (46") LCD Panel FIGURE 5-4. PROTECTION SHUTDOWN FLOWCHART...
  • Page 40 2, 4, 6 AC_OFF_DET POWER_ON AUDIO_12V AUDIO_12V AUDIO_GND DIMMER 6, 7 REG12V_GND BL_ERR 8, 9 REG12V BL_ON BL_ERR TCON_12V BL_ON AC_FF_DET DIMMER TCON_ON STBY 3.3V TCON_12V TCON_ON POWER_ON G13 (32") G14 (40") G3 (46") FIGURE 5-5. POWER AND CONTROL BLOCK DIAGRAM KDL-32BX320/32BX321/32BX420/32BX421/40BX420/40BX421/46BX420/46BX421...

  • Page 41: Section 6 - Disassembly/Part Number Information

    X-2581-431-1 STAND ASSEMBLY (L3B) (SCREWS TO ATTACH TABLE-TOP STAND TO LCD TV (KDL-46BX420/46BX421 ONLY) For product protection and safety reasons, Sony strongly recommends that you use the screws provided with the TV 4-166-867-01 COVER, NECK (M3B) CAUTION: These screws cannot be used to secure the TV to...
  • Page 42 (KDL-32BX320/32BX420/32BX421 ONLY) (SCREWS TO ATTACH TABLE-TOP STAND TO LCD TV) 4-273-641-01 COVER, STAND (M5B) (FOR MX) [51] For product protection and safety reasons, Sony strongly recommends (KDL-32BX321/32BX421 ONLY) that you use the screws provided with the TV 4-166-870-01 COVER, STAND (ML3B)

  • Page 43: Rear Cover And Speakers Removal

    See Appendix A: Encryption Key Components in the back of this manual. (Check the Sony Authorized Servicer Portal at www.sony.com/asp for any additional service related issues for this model.) KDL-32BX320/32BX321/32BX420/32BX421 ONLY...
  • Page 44 3000001 - 3800000 numero specifie. See Appendix A: Encryption Key Components in the back of this manual. KDL-32BX320 5000001 - 5500000 (Check the Sony Authorized Servicer Portal at www.sony.com/asp for any additional service related issues for this model.) KDL-32BX321 5000001 - 5500000...

  • Page 45: Kdl-40Bx420/40Bx421 Only

    See Appendix A: Encryption Key Components in the back of this manual. FOR SERIAL RANGES LISTED BELOW: (Check the Sony Authorized Servicer Portal at www.sony.com/asp for any additional service related issues for this model.) KDL-40BX420...
  • Page 46 3000001 - 3800000 numero specifie. See Appendix A: Encryption Key Components in the back of this manual. KDL-40BX420 5000001 - 5500000 (Check the Sony Authorized Servicer Portal at www.sony.com/asp for any additional service related issues for this model.) KDL-40BX421 3000001 - 3800000...

  • Page 47: Kdl-46Bx420/46Bx421 Only

    See Appendix A: Encryption Key Components in the back of this manual. A Remove 8 screws from Rear Cover (Check the Sony Authorized Servicer Portal at www.sony.com/asp for any additional service related issues for this model.) B Remove 1 screw from Side Bracket position...

  • Page 48: A (Main) Board, G13/G14/G3 (Power Supply) Board And Lcd Panel Removal

    See Appendix A: Encryption Key Components in the back of this manual. PANEL REMOVAL (Check the Sony Authorized Servicer Portal at www.sony.com/asp for any additional service related issues for this model.) KDL-32BX320/32BX321 ONLY FOR SERIAL RANGES LISTED BELOW:...
  • Page 49 3000001 - 3800000 numero specifie. See Appendix A: Encryption Key Components in the back of this manual. KDL-32BX320 5000001 - 5500000 (Check the Sony Authorized Servicer Portal at www.sony.com/asp for any additional service related issues for this model.) KDL-32BX321 5000001 - 5500000...

  • Page 50: Kdl-32Bx420/32Bx421 Only

    See Appendix A: Encryption Key Components in the back of this manual. FOR SERIAL RANGES LISTED BELOW: (Check the Sony Authorized Servicer Portal at www.sony.com/asp for any additional service related issues for this model.) KDL-32BX420...
  • Page 51 3000001 - 3800000 numero specifie. See Appendix A: Encryption Key Components in the back of this manual. KDL-32BX420 5000001 - 5300000 (Check the Sony Authorized Servicer Portal at www.sony.com/asp for any additional service related issues for this model.) KDL-32BX421 3000001 - 3800000...

  • Page 52: Kdl-40Bx420/40Bx421 Only

    See Appendix A: Encryption Key Components in the back of this manual. FOR SERIAL RANGES LISTED BELOW: (Check the Sony Authorized Servicer Portal at www.sony.com/asp for any additional service related issues for this model.) KDL-40BX420...
  • Page 53 3000001 - 3800000 numero specifie. See Appendix A: Encryption Key Components in the back of this manual. KDL-40BX420 5000001 - 5500000 (Check the Sony Authorized Servicer Portal at www.sony.com/asp for any additional service related issues for this model.) KDL-40BX421 3000001 - 3800000...

  • Page 54: Kdl-46Bx420/46Bx421 Only

    See Appendix A: Encryption Key Components in the back of this manual. A Remove 4 screws and disconnect 5 connectors from A Board to detach from LCD Panel (Check the Sony Authorized Servicer Portal at www.sony.com/asp for any additional service related issues for this model.)

  • Page 55: Screw Legend

    VESA BRKTS(2), BTM FRM(2), TOP FRM(2), PSU BRKTS(4), MB BRKTS to PSU BRKT-L(2) FOR SERIAL RANGES LISTED BELOW: ★ 4-159-298-01 SCREW, +PSW M4X10 NOT IN THIS MODEL KDL-32BX320 6000001 - 7400000 KDL-32BX320 (SERIAL NO. RANGE 3000001-3800000 and 5000001-5500000)/32BX321 (SERIAL NO. RANGE 5000001-5500000) KDL-32BX321 7100001 - 7400000 DESCRIPTION REMARKS TOTAL KDL-32BX420 6000001 - 7200000 ▲...

  • Page 56: Kdl-40Bx420/40Bx421 Only

    See Appendix A: Encryption Key Components in the back of this manual. (Check the Sony Authorized Servicer Portal at www.sony.com/asp for any additional service related issues for this model.) FOR SERIAL RANGES LISTED BELOW:...

  • Page 57: Kdl-46Bx420/46Bx421 Only

    See Appendix A: Encryption Key Components in the back of this manual. FOR SERIAL RANGES LISTED BELOW: (Check the Sony Authorized Servicer Portal at www.sony.com/asp for any additional service related issues for this model.) KDL-40BX420...

  • Page 58: Accessories And Packaging

    REMOTE COMMANDER (RM-YD065) (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...

  • Page 59: Wire Dressing

    MATION SECTION 6 - DISASSEMBLY/PART NUMBER INFOR WIRE DRESSING FIGURE 6-1. KDL-32BX320 OVERALL WIRE DRESSING FIGURE 6-3. KDL-32BX320 OVERALL WIRE DRESSING (SERIAL NO. RANGE 6000001-7400000) (SERIAL NO. RANGE 3000001-3800000 AND 5000001-5500000) FIGURE 6-2. KDL-32BX420 OVERALL WIRE DRESSING KDL-32BX320/32BX321/32BX420/32BX421/40BX420/40BX421/46BX420/46BX421...
  • Page 60 MATION SECTION 6 - DISASSEMBLY/PART NUMBER INFOR FIGURE 6-4. KDL-40BX420 OVERALL WIRE DRESSING FIGURE 6-5. KDL-46BX420 OVERALL WIRE DRESSING KDL-32BX320/32BX321/32BX420/32BX421/40BX420/40BX421/46BX420/46BX421...

  • Page 61: Section 7 - Service Adjustments

    After replacing the main Board, LCD Panel, or TCON Board, you DISPLAY Channel Volume MUST UPDATE the SOFTWARE to the latest version. Instructions POWER for updating the software are included with the software package on Sony Authorized Service Portal website. POWER DISPLAY Onscreen cursor and select button VOLUME+...

  • Page 62: Accessing Factory Adjustment Mode

    Serial Number See rear or side of TV PANEL_POWE Picture Quality PQ0.009 BACKLITE Audio Quality AQ4.1000 TEMP_ERR Panel F_SS40(10) Panel Info MT001.0028.000?LT 00000 00010 00000 [Menu] Exit [</>]Set [Menu] Exit 4. To exit service mode, turn the power off. KDL-32BX320/32BX321/32BX420/32BX421/40BX420/40BX421/46BX420/46BX421...

  • Page 63: Selecting The Panel Id Code

    SLCD LTY320HN02-001 the software to the latest version and then select the Panel ID from Factory Mode. Instructions for updating the software are included KDL-32BX420 with the software package on the Sony Authorized Service Portal KDL-32BX421 W-LG32 LC320WXN-SCB1 site. KDL-32BX420...

  • Page 64: Adjusting The Color Temperature

    Color Temp adjustments. System 0.12.300D Model Name KDL-40BX420 Serial Number See rear or side of TV Picture Quality PQ0.009 Audio Quality AQ4.1000 Panel F_SS40(10) Panel Info MT001.0028.000?LT [</>]Set [Menu] Exit button, scroll down to select Color Temp. 3. Using the KDL-32BX320/32BX321/32BX420/32BX421/40BX420/40BX421/46BX420/46BX421...
  • Page 65 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. KDL-32BX320/32BX321/32BX420/32BX421/40BX420/40BX421/46BX420/46BX421...
  • Page 66 Sony Electronics Reproduction in whole or part without written permission is prohibited. All rights reserved Sony Corporation English 2011AJ74WEB-1 Sony Technology Center Printed in USA Technical Services 9-883-851-02 © 2011.1 Service Publication Department KDL-32BX320/32BX321/32BX420/32BX421/40BX420/40BX421/46BX420/46BX421...

  • Page 67: Appendix A - Triage Sheets

    The following Triage documents are for general reference purposes. To access the most recent version of theTriage documents for the models listed in this manual, login into the Sony Authorized Servicer Portal at www.sony.com/asp. Sony KDL32BX320/32BX321 Technical Triage Summary Sheet Before you make the service call…...
  • Page 68 Sony KDL32BX420 Technical Triage Summary Sheet Before you make the service call… 1. Confirm the symptom from the customer. CHASSIS: AZ2UK 2. Select that symptom from the chart. 3. Bring all the boards listed for that symptom. 4. Follow the troubleshooting charts in the technical guides to isolate the board.
  • Page 69 Sony KDL32BX421 Technical Triage Summary Sheet Before you make the service call… 1. Confirm the symptom from the customer. CHASSIS: AZ2UK 2. Select that symptom from the chart. 3. Bring all the boards listed for that symptom. 4. Follow the troubleshooting charts in the technical guides to isolate the board.
  • Page 70 Sony KDL40BX420 Technical Triage Summary Sheet Before you make the service call… 1. Confirm the symptom from the customer. CHASSIS: AZ2UK 2. Select that symptom from the chart. 3. Bring all the boards listed for that symptom. 4. Follow the troubleshooting charts in the technical guides to isolate the board.
  • Page 71 Sony KDL40BX421 Technical Triage Summary Sheet Before you make the service call… 1. Confirm the symptom from the customer. CHASSIS: AZ2UK 2. Select that symptom from the chart. 3. Bring all the boards listed for that symptom. 4. Follow the troubleshooting charts in the technical guides to isolate the board.
  • Page 72 Sony KDL46BX420 Technical Triage Summary Sheet Before you make the service call… 1. Confirm the symptom from the customer. CHASSIS: AZ2UK 2. Select that symptom from the chart. 3. Bring all the boards listed for that symptom. 4. Follow the troubleshooting charts in the technical guides to isolate the board.
  • Page 73 Sony KDL46BX421 Technical Triage Summary Sheet Before you make the service call… 1. Confirm the symptom from the customer. CHASSIS: AZ2UK 2. Select that symptom from the chart. 3. Bring all the boards listed for that symptom. 4. Follow the troubleshooting charts in the technical guides to isolate the board.

  • Page 74: Appendix B - Operating Instructions

    APPENDIX B - OPERATING INSTRUCTIONS The Operating Instructions are the documents that are included with the television. Sony’s BRAVIA TVs now come with an on-screen i-Manual. To learn more about the TVs features access the i-Manual using the customers remote control.

This manual is also suitable for:

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