Sony KLV-46EX430, Service Manual

Page 1: ...915CC7A3BAEEA15A0AEE6705885A70374EDB SERVICE MANUAL Version Date Subject 1 0 8 2012 Original manual issue LCD Digital Color TV 9 888 500 01 HISTORY INFORMATION FOR THE FOLLOWING MANUAL ORIGINAL MANUAL ISSUE DATE 8 2012 AZ3WK CHASSIS Segment P 2L ...

Page 2: ...23AA9ABD4CBEDEA91407506AB84FAEA8217AB167621A915CC7A3BAEEA15A0AEE6705885A70374EDB SERVICE MANUAL LCD Digital Color TV AZ3WK CHASSIS Segment P 2L 9 888 500 01 ...

Page 3: ...23AA9ABD4CBEDEA91407506AB84FAEA8217AB167621A915CC7A3BAEEA15A0AEE6705885A70374EDB KLV 46EX430 CH 3 MODEL LIST MODEL COLOR COMMANDER DEST MODEL COLOR COMMANDER DEST KLV 46EX430 Black RM SA022 CHINA ...

Page 4: ...G THE TV Be sure to follow these guidelines to protect your property and avoid causing serious injury Carry the TV with an 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 damages SAFETY RELATED COMPONENT WARNING Components identified by shading and mark on the schematic diagrams exploded vie...

Page 5: ...注意 注意 维修使用说明仅限于有资质的维修人员使用 为降低触电的风险 请不要进行使用说明书内容以外的检修 除非你可以胜任 警告 检修时请务必使用隔离变压器 以避免因机壳带电引起触电 接收器机壳直接连接在交流电源线上 电视机运输 务必遵循这些指导来保护你的财产和避免造成严重伤害 运送电视机需要足够的人手 大尺寸的电视机需要两人或更多的人 搬运时把手放置在正确的位置对电视机的安全及避免损坏是非常重要的 相关安全部件警告 在示意图 分解图 和零件清单上用阴影标识的部件对安全操作很关键 用本手册或SONY增补手册上出现零件号码的零件来替换这些部件 无论何时 替换关键部件或出现疑似不正确操作时 都要遵循本流程 ...

Page 6: ...odule 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 CCFL or inverter circuit High voltage occurs at the inverter circuit at 650Vrms 7 Always clean the LCD panel with a soft cloth material...

Page 7: ...液晶显示屏时 请务必佩戴静电手环 修理挂壁液晶显示屏时 液晶显示屏必需用后盖上的4个固定孔保护 1 2 3 4 5 6 7 8 9 10 不要按压到液晶屏或面框边缘以避免电击风险 不要用任何尖锐物品在液晶屏上刮擦或按压 不要让组件长期处在高温或高湿度环境中 不要让LCD液晶屏暴露在直射阳光中 避免与水接触 它可能引起组件内部短路 当更换背光灯 冷阴极荧光灯管 或 逆变器 逆变器的高压输出会有650Vrms 时 断开交流电源 要经常清洁液晶屏的话请用软布材料 当处理逆变器的线路或连接时 要小心 线路的损坏可能引起短路 用ESD保护液晶屏以免损坏电子电路 C MOS 在维修期间 LCD 液晶屏面朝下的情况下 建议不要上电超过一小时或老化期间 ...

Page 8: ...ng 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 r...

Page 9: ...查 1 检查所维修位置是否还有为焊接或焊接不良的地方 检查整个面板表面是否存在任何焊渣或焊桥 2 检查板上布线 确保线路未扭绞在一起或者与高瓦特 功率 的电阻接触 3 检查是否需要更换所有的控制按钮 屏蔽线 外壳 接地线以及固定部件 务必保障在更换后是绝缘的 4 检查需要更换的部件 尤其是在以往维修时安装的电子元件 此时 须向用户说明此情况 并建议更换 5 查找虽在运行 但其性能已明显老化迹象的部件 此时 须向用户说明此情况 并建议更换 6 检查线路是否有破裂或磨损 如有则建议用户进行更换 7 检查天线端子 金属装饰条 镀金属的旋钮 螺丝以及所有外露的金属部件是否漏电 检查步骤参照下面说明进行 8 为了安全起见 禁止修复电源板与逆变器中任意一个 ...

Page 10: ...ication is 0 75 V so analog meters must have an accurate low voltage scale The Simpson s 250 and Sanwa SH 63TRD are examples of passive VOMs that are suitable Nearly all battery operated digital multimeters that have a 2 VAC range are suitable see Figure A How to Find a Good Earth Ground A cold water pipe is a guaranteed earth ground the cover plate retaining screw on most AC outlet boxes is also ...

Page 11: ...A 按照制造商的指导操作使用 2 电池供电的交流毫安计 可使用 Data Precision 245 数字毫安计 3 使用VOM 伏特 欧姆计 或电池供电的交流伏特表测量电阻器降压 限值 为0 75V 因此模拟仪表必需具 有精确的低压刻度 Simpson 250 和 Sanwa SH 63Trd 均为无电源VOM量表 十分适用 几乎所有电池供电的 数字毫安计都具有2V的交流范围 都适用进行测量 如图A所示 怎样找到一个好的接地点 冷水管是一种有保证的接地设备 交流电插座盒盖板的固位螺丝同样是接地的 如果要把固位螺丝用来接地 应先用欧姆表测量固位螺丝与冷水管之间的电阻 如果读数为零 证明此固位螺丝 确实是接地的 如果冷水管不容易接近 连接60到100瓦的检修灯 不是霓虹灯 在插座的高电位侧与固位螺丝之间 如果有必要 的话 两个插槽都试试 以确定哪边是高电位侧 如果螺丝在接地电位上 那么在正常...

Page 12: ... user s knowledge and reference 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 STBY LED Flash time Service menu Item name Screen Display Diagnostic Item Description 2 MAIN_POWER 12V _AMP Error 3 Not used 4 Not used 5 TCON_ERR Panel Power Error 6 BACKLIGHT_ERR...

Page 13: ...遥控器回顾内存里的故障发生资料来查看以往故障及故障频率 诊断测试指标 当故障出现时 待机LED指示灯将按照一定的次数闪烁来表示可能的故障原因 如果故障超过一个以上 LED将先识别故障类别 诊断项目的所有结果都会显示在界面上 如果界面显示为 0 的话 则无故障出现 待机指示灯闪烁计数显示 自诊断界面显示 例如 有时关机 或 有时屏幕不显示 这些无法确定的故障状态 这些有可能之前的故障会在界面中显示出来 跳出测试界面 在待机的状态下 按照如下的顺序快速连续的按遥控器上的按键 请注意这里需要区别于进入维修模式 音量 屏 显 电视电源 频 道 音 量 5 闪烁次数 维修菜单名称 显示界面 自诊断描述 2 MAIN_POWER 12V_电流报错 3 无此项 4 无此项 5 TCON_ERR 液晶屏电源报错 6 BACKLIGHT_ERR 背光报错 7 无此项 8 无此项 9 无此项 10 无此项 1...

Page 14: ...el operation time by hour Since the diagnostic results displayed on the screen are not automatically cleared always check the self diagnostic screen After you have completed the repairs clear the result display to 0 Clearing the Self Check Diagnostic List 1 Error history and Error count Press the Channel 8 Channel 0 2 Panel operation time Press the Channel 7 Channel 0 Exiting the Self diagnostic s...

Page 15: ... indicated with a collation number in the remark colum Items marked are not stocked since they are seldom required for routine service Some delay should be anticipated when ordering these items SEC 1 DISASSEMBLY AND PARTS LIST Note LCD panel have points installing with some tapes About the procedure of those disassembly and assembly methods please refer to APPENDIX 2 Note When removing the rear co...

Page 16: ...RK 1 4 436 757 01 STAND 46IRS 2 4 435 628 01 COVER AC 46IRS 3 1 839 908 11 POWER SUPPLY CORD 4 4 436 756 01 REAR COVER 46IRS 2 580 608 01 SCREW PSW M5X16 7 685 661 79 SCREW BVTP 4X12 TYPE2 IT 3 4 256 393 01 SCREW PSW M3X6 W12 7 685 646 79 SCREW BVTP 3X8 TYPE2 IT 3 2 580 600 01 SCREW PSW M4X8 DISASSEMBLY AND PARTS LIST 1 1 1 2 REAR COVER AND AC COVER 2 3 4 ...

Page 17: ... 5 6 12 12 REF No PART No DESCRIPTION MARK 5 1 490 584 11 SWITCH UNIT 6 1 474 344 11 G16B STATIC CONVERTER TV 7 1 910 107 09 CONNECTOR ASSY 46 PSU INV 14P 8 1 910 107 12 CONNECTOR ASSY 46 LVDS 51P 9 1 910 107 10 CONNECTOR ASSY 46 MB PS 15P 10 1 910 107 08 CONNECTOR ASSY 46 MB KEY 3P 11 1 910 107 11 CONNECTOR ASSY 46 MB SP 4P 12 1 858 770 21 LOUD SPEAKER 4 0X10 0CM 2 990 421 41 SCREW PSW M3X6 8 9 7...

Page 18: ...X430 A B C REF No PART No DESCRIPTION MARK 13 4 435 629 01 FRAME BOTTOM 46IRS 14 1 895 306 51 MOUNTED PWB A 15 4 442 985 01 BRACKET SIDE 46IRS 16 1 895 170 21 MOUNTED PWB H 17 1 910 107 07 CONNECTOR ASSY 46 MB IR 12P 18 A 1910 913 A PANEL ASSY SERVICE with BEZEL ASSY 2 990 421 41 SCREW PSW M3X6 2 580 600 01 SCREW PSW M4X8 7 685 661 79 SCREW BVTP 4X12 TYPE2 IT 3 A B C 17 18 16 13 14 15 ...

Page 19: ...0374EDB KLV 46EX430 CH 14 1 2 OTHER PART PART No DESCRIPTION MARK 1 489 995 11 REMOTE COMMANDER RM SA022 4 439 497 01 LABEL TERMINAL CH 4 294 841 01 SUPPORT POWER BOARD SQUARE 4 445 917 01 TAPE 140X16MM 4 448 208 01 TAPE 12X8MM 1 2 1 MISCELLANEOUS DISASSEMBLY AND PARTS LIST ...

Page 20: ... Service Mode Status Information Self diagnosis history Panel Selection 29 2D_F_SE46 NO_SIGNAL_MUTE Off TUNING SYSTEM AUTO LVDS Spectrum o 26 Low of HPD 5 SERIAL NUMBER EDID 0016J05 MODEL NAME EDID KLV 46EX430 Load Service Table Off Set Home Exit 5 Info TV POWER Channel Volume 4 How to use the remote commander 5 After entering service mode then turn off the power switch Info 5 Vol Up Power Service...

Page 21: ... Enter Input VOL VOL CH CH Power PSU LCD Panel WXGA or Full HD DDR2 DDR3 Controller OSD scaler PIP Vplane scaler Audio SW DDRIII 1333MHz 1G bit USB2 0 IF I2S LVDS OUT LVDS OUT L R JTAG MT5306 L R TUNER SONY RE217 CVBS2 Video out PAA model L R L R CVBS YPbPr R G B Line out RCA type Line out driver APA2172 74LV4052PW Keypad U0TX SYS_SDA SYS_SCL 3V3_SW U0RX VGA CN6001 MT5306_3D IC4601 EEPROM I2C Addr...

Page 22: ...EA15A0AEE6705885A70374EDB KLV 46EX430 CH 17 DIAGRAMS 3 2 CONNECTOR DIAGRAM 51P 4P 4P 12P 15P 14P 15P 14P 12P 3P 51P Panel CN2001 CN8002 CN9101 IR board CN6401 LED Driver CN6402 Main board CN1 CN4943 Power Board Panel T CON Board Key Pad board CN1003 CN1004 ...

Page 23: ...23AA9ABD4CBEDEA91407506AB84FAEA8217AB167621A915CC7A3BAEEA15A0AEE6705885A70374EDB KLV 46EX430 CH 18 DIAGRAMS 3 3 CIRCUIT BOARDS LOCATION A Board Switch Unit G16B Board H Board ...

Page 24: ...D4CBEDEA91407506AB84FAEA8217AB167621A915CC7A3BAEEA15A0AEE6705885A70374EDB KLV 46EX430 CH 19 END 9 888 500 01 English 2012HL08 Data Made in Japan 2012 08 Sony Corporation Home Entertainment Sound Business Group ...

Page 25: ...OVER 1 Remove all screw to disassemble Rear Cover 2 Remove the AC cover with using screw driver or other thin tool Be careful not give damage to AC code 3 Remove the AC code from TV set 4 Remove the Rear Cover until side hook unlocks 5 Open the Rear Cover as below photo showing And remove it from TV set completely APPENDIX 1 4 5 Pull ...

Page 26: ...BEDEA91407506AB84FAEA8217AB167621A915CC7A3BAEEA15A0AEE6705885A70374EDB KLV 46EX430 CH 20 2 附录 1 后盖拆卸流程 1 拆卸所有的螺丝以便移除后盖 2 使用螺丝起或者其他工具来移除电源后盖板 小心 不要损坏电源盖 3 把电源盖从电视机上移除 4 移开后盖直至侧边锁扣解锁 5 如图所示把后盖打开 并彻底从电视机上移开 4 5 推拉 3 ...

Page 27: ...nt EMI make sure that the FFC cable is touching the back chassis only with the cushions on it Any other parts of the FFC cable e g because of deflection should not touch the back chassis 1 2 APPENDIX 1 1 Put the Rear Cover as below photo showing And assemble it to TV set completely 2 Press the Rear Cover as below photo showing And make the Hook to lock with Bezel completely Back Chassis Cushion FF...

Page 28: ...17AB167621A915CC7A3BAEEA15A0AEE6705885A70374EDB 21 按压 按压 按压 按压 按压 1 KLV 46EX430 CH 2 后盖装配流程 注意 在盖上后盖时 为了预防EMI干扰 必须确保 FFC线与背面机架要有缓冲垫垫着 FFC 线的其他部分 例如 折角处也不可以与背面机架接触 FFC 线 扁平线 缓冲垫子 背面机架 1 如图所示安放后盖 使它完全安装到电视机机体上去 2 如图所示按压后盖 使锁扣完全与面框锁紧 附录 1 ...

Page 29: ...EDB KLV 46EX430 CH 22 HOOK POSITION OF REAR COVER APPENDIX 1 Notice for re assemble Rear Cover Press Hook area of Rear Cover until locking sound can be heard And check that Rear Cover has locked to Bezel by your eye refer to photo After that screw up for Rear Cover fixing OK NG ...

Page 30: ...23AA9ABD4CBEDEA91407506AB84FAEA8217AB167621A915CC7A3BAEEA15A0AEE6705885A70374EDB KLV 46EX430 CH 22 后盖上的锁扣位置 重新盖上后盖时请注意 按压后盖的锁扣区域直至听到锁扣锁紧的声音 然后用眼睛检查后盖与面框之间是否被锁扣好 请参考下面图片 之后 旋紧螺丝固定好后盖 OK NG 附录 1 ...

Page 31: ...5MM Conductive Tape 42 3XC24 001 50 30MM Himeron Tape 1 0 1 0mm 1 0 1 0mm Himeron Tape 38 04AG1 001 10 5 0 5MM Assembly Part SUPPORT POWER BOARD 4 294 841 01 SUPPORT POWER BOARD SQUARE Note The parts SUPPORT POWER BOARD which stuck the himeron tape are used for the mass production TV However When this SUPPORT POWER BOARD replacement is needed at service since a himeron tape is unnecessary please u...

Page 32: ... 1 0 1 0mm 1 0 1 0mm Himeron 胶带 38 04AEP 001 140 16 0 25MM 4 445 917 01 胶带 140X16MM Himeron 胶带 38 04AG1 001 10 5 0 5MM 黑色聚酯薄膜胶带 40 73Z30 001 60 25MM 导电胶带 42 3XC24 001 50 30MM Himeron 胶带 装配件 电源板支架 4 294 841 01 电源板支架 方形 注意 这部分 电源板支架 himeron 胶带用于大规模电视机生产 无论如何 在替换电源板支架服务时 更换himeron 胶带是不必要的 请使用4 294 841 01零件来替换电源板支架 方形 ...

Page 33: ...4FAEA8217AB167621A915CC7A3BAEEA15A0AEE6705885A70374EDB KLV 46EX430 CH 24 APPENDIX 2 PANEL TAPE STICKING AND PARTS NUMBER Himeron Tape 38 04AGA 001 12 8 1MM 5pcs Sony Part No 4 448 208 01 TAPE 12X8MM Top View 0 2 0 1 6 2 0 1 6 2 ...

Page 34: ...9ABD4CBEDEA91407506AB84FAEA8217AB167621A915CC7A3BAEEA15A0AEE6705885A70374EDB 6 2 0 2 6 2 KLV 46EX430 CH 液晶屏胶带与零件编号 Himeron 胶带 38 04AGA 001 12 8 1MM 5pcs Sony 零件编号 4 448 208 01 胶带 12X8MM 顶视图 0 1 24 0 1 附录 2 ...

Page 35: ...re HOME Settings Set up Product Information 1 Model Name 2 Serial Number 3 Software Version P 2L 46EX430 sony_fw_2012_ CNx xx xxx _chpaw_2h pkg 1 KLV 46EX430 2 0123450 3 6 01 010 APPENDIX 3 SOFTWARE DATA UPDATE Note When change Main board 1 and 2 are not displayed SOFTWARE DOWNLOAD Store the software Package to USB memory Applicable USB memory Format by FAT32 USB2 0 type For USB please store only ...

Page 36: ... TV is turned on Lights up Green LED no picture Please confirm whether it is the latest software Product information of setting menu HOME Settings Set up Product Information APPENDIX 3 SOFTWARE UPDATE BY USB MEMORY 1 Turn on the TV 2 Unplug the AC power code 3 Connect the USB memory 4 Plug the AC power cord then start update automatically 5 Unplug AC power cord and disconnect USB memory 6 Plug the...