Sony Bravia KLV-32BX350 Page 35 Service Manual Download | Manualshive

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5BEE7C12F6303DC82CF88F94C89335DE228C2E33B63EF4C97C76C4AE6FD7BFACDFCEC4DBFE63737C

KLV-32BX350,40/46BX450(CH)

28

DIAGRAMS

3-2-2. KLV-40BX450

CN4904

CN2001

CN1003

CN8002

CN1004

DPS166DP
LIPS

CN2

Main Board

IR Board

Key Pad

CN9101

Control Board

Panel

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Summary of Contents for Bravia KLV-32BX350

Page 1: ...FE63737C SERVICE MANUAL Version Date Subject 1 0 2 2012 Original manual issue 1 1 2 2012 Added part number of Insulation sheet G P 22 LCD Digital Color TV 9 888 459 02 HISTORY INFORMATION FOR THE FOLLOWING MANUAL ORIGINAL MANUAL ISSUE DATE 2 2012 AZ3WK CHASSIS Segment P 2F ...

Page 2: ...5BEE7C12F6303DC82CF88F94C89335DE228C2E33B63EF4C97C76C4AE6FD7BFACDFCEC4DBFE63737C SERVICE MANUAL LCD Digital Color TV AZ3WK CHASSIS Segment P 2F 9 888 459 02 ...

Page 3: ...C2E33B63EF4C97C76C4AE6FD7BFACDFCEC4DBFE63737C KLV 32BX350 40 46BX450 CH 3 MODEL LIST MODEL COLOR COMMANDER DEST MODEL COLOR COMMANDER DEST KLV 32BX350 Black RM SA022 CHINA KLV 40BX450 Black RM SA022 CHINA KLV 46BX450 Black RM SA022 CHINA ...

Page 4: ...6303DC82CF88F94C89335DE228C2E33B63EF4C97C76C4AE6FD7BFACDFCEC4DBFE63737C KLV 32BX350 40 46BX450 CH 3 型号表型号颜色遥控器地区型号颜色遥控器地区 KLV 32BX350 KLV 40BX450 KLV 46BX450 黑色黑色黑色 RM SA022 RM SA022 RM SA022 中国中国中国 ...

Page 5: ...ARRYING 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 explod...

Page 6: ...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 KLV 32BX350 40 46BX450 CH ...

Page 7: ... the module in high temperatures or in areas of high humidity for an extended period of time 4 Do not expose the LCD panel to direct sunlight 5 Avoid contact with water It may cause a short circuit within the module 6 Disconnect the AC power when replacing the backlight CCFL or inverter circuit High voltage occurs at the inverter circuit at 650Vrms 7 Always clean the LCD panel with a soft cloth ma...

Page 8: ... 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警告与注意 KLV 32BX350 40 46BX450 CH ...

Page 9: ...mounting hardware have been replaced Be absolutely certain that you have replaced all the insulators 4 Look for unauthorized replacement parts particularly transistors that were installed during a previous repair Point them out to the customer and recommend their replacement 5 Look for parts which though functioning show obvious signs of deterioration Point them out to the customer and recommend t...

Page 10: ...良的地方检查整个面板表面是否存在任何焊渣或焊桥 2 检查面板面板内部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 KLV 32BX350 40 46BX450 CH ...

Page 11: ...it indication 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...

Page 12: ...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的情况下灯是能被点亮的如图B所示 7 KL...

Page 13: ...ed 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 Main Power Over Voltage Protection DC_ALERT1 DC_ALERT AUDIO_PROT Audio Abnormal Detection 4 BALANCER_ERR Balancer Error TCON_ERR Detect TCON_RDY PANEL_...

Page 14: ...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 0 5 请注意这里需要区别于进入维修模式音量自诊断界面显示例如有时关机或屏幕有时不显示这些无法确定的故障状态可医用如下的方法进入自增段的方法来检测判断故障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屏显电视电源频道音量待机指示灯闪烁次数维修菜单名称显示界面自诊断描述 2 MAIN_POWER 主电源过电压保护 3 DC_ALERT1 直流电报警 AUDIO_PROT 声音异常检测 4 BALANCER_ERR 平衡器故障 5 TCON_ERR 检测T CON就位信号 PANEL_ID__NVM_ERR 液晶屏上的非易失性存储器中参数错误 6 BACKLIGHT_ERR 背光灯报错高压板 7 ...

Page 15: ... flash time Total operation time by hour Boot count Panel 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 Pres...

Page 16: ... BALANCER_ERR 005 TCON_ERR 005 PANEL_ID_NVM_ERR 006 BACKLIGHT_ERR 007 TEMP_ERR 000 000 000 000 000 自诊断功能自诊断显示屏显故障次数项目名称 LED待机指示灯闪烁次数 1 故障历史记录和数量 2 液晶屏运行时间按按键8 按键 0 按按键7 按键 0 退出自诊断屏显退出自诊断屏显按下遥控器上的POWER键或者是电视机上的POWER开关来关掉电视机 KLV 32BX350 40 46BX450 CH 12345 67891 23456 Home Exit 液晶屏运行小时数启动次数总运行小时数因为显示在屏幕上的诊断结果不会自动清除并始终停留在自我诊断屏幕当你完成修理时把显示结果清零清除自我诊断表 ...

Page 17: ...r this model the stands are attached the rear cover side Therefore assemble the stand assy to the main unit according to the following procedure when performing adjustment and operation check after the part replacement 32 inch 2 Assemble of the Bottom frame to LCD panel Three screws 3 Assemble of the Stand to main unit Three screws Note Use screws which were fixing the rear cover PSW M4x10 2 1 3 ...

Page 18: ... 32BX350 40 46BX450 CH 11 1 Disassemble of the Bottom frame from the Rear cover One screw SERVICE POSITION 40 inch 2 Assemble of the Bottom frame to LCD panel Three screws 3 Assemble of the Stand to main unit Three screws Note Use screws which were fixing the rear cover PSW M4x10 2 1 3 ...

Page 19: ... 32BX350 40 46BX450 CH 12 1 Disassemble of the Bottom frame from the Rear cover Two screws SERVICE POSITION 46 inch 2 Assemble of the Bottom frame to LCD panel Five screws 3 Assemble of the Stand to main unit Three screws 2 1 3 Note Use screws which were fixing the rear cover PSW M4x10 ...

Page 20: ...cated 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 Bezel and LCD panel have points installing with double sided tape About the procedure of those disassembly and assembly methods please refer to APPENDIX 2 Note When removing...

Page 21: ...50 40 46BX450 CH 14 1 1 KLV 32BX350 1 1 1 BASE STAND REF No PART No DESCRIPTION MARK 1 4 419 586 01 STAND BASE M 2 4 400 568 01 COVER AC APOW 3 1 839 908 11 POWER SUPPLY CORD 2 580 592 01 SCREW PSW M3X8 2 580 608 11 SCREW PSW M5X16 DISASSEMBLY AND PARTS LIST 1 1 2 AC COVER AND AC CORD 1 2 3 ...

Page 22: ...PEAKER AND SWITCH UNIT REF No PART No DESCRIPTION MARK 4 4 419 547 01 REAR COVER 32APOW 5 1 490 176 21 SWITCH UNIT 6 1 474 381 12 G9 CH STATIC CONVERTER TV 7 1 895 169 31 MOUNTED PWB A 8 4 400 566 01 BRACKET SIDE APOW CH 9 1 858 770 11 SPEAKER 4X10 2 580 640 01 SCREW BVTP 4X16 TYPE2 IT 3 7 682 948 01 SCREW PSW 3X8 7 685 647 79 SCREW BVTP 3X12 TYPE2 IT 3 4 159 298 01 SCREW PSW M4X10 4 8 7 6 5 9 ...

Page 23: ...TION MARK 10 1 910 103 77 CONNECTOR ASSY 4P SP 11 1 910 103 73 CONNECTOR ASSY 12P IR 12 1 895 170 11 MOUNTED PWB H 13 1 910 103 75 CONNECTOR ASSY 14P INV 14 1 910 103 74 CONNECTOR ASSY 3P MB KEY 15 4 417 048 01 PANEL SUPPORT E 16 4 419 544 01 BEZEL 32APOW 17 1 910 103 76 CONNECTOR ASSY 16P PS 18 1 811 602 11 PANEL LCD W32 19 1 910 105 27 CONNECTOR ASSY FFC 32 2 580 640 01 SCREW BVTP 4X16 TYPE2 IT ...

Page 24: ...50 40 46BX450 CH 17 1 2 KLV 40BX450 1 2 1 BASE STAND REF No PART No DESCRIPTION MARK 1 4 419 587 01 STAND BASE ML 2 4 400 568 01 COVER AC APOW 3 1 839 908 11 POWER SUPPLY CORD 2 580 592 01 SCREW PSW M3X8 2 580 608 11 SCREW PSW M5X16 DISASSEMBLY AND PARTS LIST 1 2 2 AC COVER AND AC CORD 1 2 3 ...

Page 25: ...SWITCH UNIT 6 1 895 171 11 MOUNTED PWB W40 7 1 895 169 21 MOUNTED PWB A 8 4 400 566 01 BRACKET SIDE APOW CH 9 1 858 770 11 SPEAKER 4X10 2 580 640 01 SCREW BVTP 4X16 TYPE2 IT 3 7 682 948 01 SCREW PSW 3X8 7 685 647 79 SCREW BVTP 3X12 TYPE2 IT 3 4 159 298 01 SCREW PSW M4X10 DISASSEMBLY AND PARTS LIST 1 2 KLV 40BX450 1 2 3 REAR COVER 1 2 4 W40 BOARD A BOARD SPEAKER AND SWITCH UNIT 4 8 7 6 5 9 ...

Page 26: ...EF No PART No DESCRIPTION MARK 10 1 910 103 73 CONNECTOR ASSY 12P IR 11 1 895 170 11 MOUNTED PWB H 12 4 417 086 01 PANEL SUPPORT F 13 1 910 103 78 CONNECTOR ASSY 3P MB KEY 14 1 910 103 80 CONNECTOR ASSY 4P SP 15 4 419 545 01 BEZEL 40APOW 16 1 811 603 11 PANEL LCD W40 17 1 910 103 79 CONNECTOR ASSY 16P PS 18 1 910 105 26 CONNECTOR ASSY FFC 40 2 580 640 01 SCREW BVTP 4X16 TYPE2 IT 3 11 16 15 18 12 1...

Page 27: ...ON MARK 1 4 419 588 01 STAND BASE L 2 4 400 568 01 COVER AC APOW 3 1 839 908 11 POWER SUPPLY CORD 4 4 419 549 01 REAR COVER 46APOW 2 580 592 01 SCREW PSW M3X8 2 580 608 11 SCREW PSW M5X16 2 580 640 01 SCREW BVTP 4X16 TYPE2 IT 3 4 159 298 01 SCREW PSW M4X10 7 685 647 79 SCREW BVTP 3X12 TYPE2 IT 3 DISASSEMBLY AND PARTS LIST 1 3 2 AC COVER AC CORD AND REAR COVER 1 4 2 3 ...

Page 28: ...ION MARK 5 1 490 176 21 SWITCH UNIT 6 1 474 382 12 G11 STATIC CONVERTER TV 7 1 895 169 11 MOUNTED PWB A 8 4 400 566 01 BRACKET SIDE APOW CH 9 1 858 770 11 SPEAKER 4X10 7 682 948 01 SCREW PSW 3X8 7 685 647 79 SCREW BVTP 3X12 TYPE2 IT 3 DISASSEMBLY AND PARTS LIST 1 3 KLV 46BX450 1 3 3 G11 BOARD A BOARD SPEAKER AND SWITCH UNIT 6 9 7 8 5 ...

Page 29: ...Y 14P INV 11 4 417 048 01 PANEL SUPPORT E 12 1 910 103 81 CONNECTOR ASSY 3P MB KEY 13 1 910 105 25 CONNECTOR ASSY FFC 46 14 1 811 575 11 LCD PANEL S46ESPW 15 1 910 103 83 CONNECTOR ASSY 16P PS 16 4 419 546 01 BEZEL 46APOW 17 1 910 103 84 CONNECTOR ASSY 4P SP 18 1 895 170 11 MOUNTED PWB H 19 1 910 103 73 CONNECTOR ASSY 12P IR 20 4 423 579 01 INSULATION SHEET G 7 682 948 01 SCREW PSW 3X8 2 580 640 0...

Page 30: ...28C2E33B63EF4C97C76C4AE6FD7BFACDFCEC4DBFE63737C KLV 32BX350 40 46BX450 CH 23 1 4 OTHER PART PART No DESCRIPTION MARK 4 414 471 01 LABEL REAR TERMINAL 1 489 995 11 REMOTE COMMANDER RM SA022 1 4 1 MISCELLANEOUS DISASSEMBLY AND PARTS LIST ...

Page 31: ...is set in standby mode 2 Press the buttons on the remote commander as follows and entering service mode 3 Service mode display Service Mode Status Information Self diagnosis history Panel Selection 10 W_SE32 NO_SIGNAL_MUTE Off TUNING SYSTEM AUTO LVDS Spectrum o 30 Low of HPD 5 SERIAL NUMBER EDID 002EJ0S MODEL NAME EDID KDL 32BX350 Load Service Table Off Set Home Exit 5 Info TV POWER Channel Volume...

Page 32: ...C KLV 32BX350 40 46BX450 CH 25 ADJUSTMENT 4 How to use the remote commander 5 After entering service mode then turn off the power switch Info 5 Vol Up Power Service mode on Other Power off on Service mode off The flow of control Data Value up down Adjustment Item up down Function ...

Page 33: ...aphic Video Input HDMI Rx Audio Demod Audio DAC Audio Input Audio DSP Audio I F Audio DAC OSD Scaler Post Processing LVDS mini LVDS TCON OD EP1 DDR2 DDR3 Controller ARM11 L2 Cashe JTAG IrDA I2C USB2 0 PWM Watchdog SerialFlash ServoADC T8032 PCR RTC Smart Card UART SDIO NAND XTAL CKGEN SPDIF In Component Video PC PC HDMI Audio HDMI Line out Side HP Tuner STA381 BWS 8W 8W Panel H Board Tact Key DDR3...

Page 34: ...63EF4C97C76C4AE6FD7BFACDFCEC4DBFE63737C KLV 32BX350 40 46BX450 CH 27 DIAGRAMS 3 2 CONNECTOR DIAGRAM 3 2 1 KLV 32BX350 CN4903 CN2001 CN1003 CN8002 CN1004 Inverter G9 Power Board CN6402 CN6401 Main Board IR Board Key Pad CN9101 T Con Board Panel ...

Page 35: ...F94C89335DE228C2E33B63EF4C97C76C4AE6FD7BFACDFCEC4DBFE63737C KLV 32BX350 40 46BX450 CH 28 DIAGRAMS 3 2 2 KLV 40BX450 CN4904 CN2001 CN1003 CN8002 CN1004 DPS166DP LIPS CN2 Main Board IR Board Key Pad CN9101 Control Board Panel ...

Page 36: ...228C2E33B63EF4C97C76C4AE6FD7BFACDFCEC4DBFE63737C KLV 32BX350 40 46BX450 CH 29 DIAGRAMS 3 2 3 KLV 46BX450 CN4902 CN2001 CN1003 CN8002 CN1004 Inverter APS319 Power Board CN6402 CN6401 Main Board IR Board Key Pad CN9101 T Con Board Panel ...

Page 37: ...97C76C4AE6FD7BFACDFCEC4DBFE63737C KLV 32BX350 40 46BX450 CH 30 DIAGRAMS 3 3 CIRCUIT BOARDS LOCATION KLV 32BX350 A Board Switch Unit G9 Board Switch Unit KLV 40BX450 KLV 46BX450 A Board H Board G11 Board H Board A Board Switch Unit W40 Board H Board ...

Page 38: ...303DC82CF88F94C89335DE228C2E33B63EF4C97C76C4AE6FD7BFACDFCEC4DBFE63737C KLV 32BX350 40 46BX450 CH 31 END 9 888 459 02 English 2012BL08 Data Made in Japan 2012 02 Sony Corporation Home Entertainment Business Group ...

Page 39: ...RE TO REMOVAL OF REAR COVER 1 Remove all screws on Rear Cover and AC Cover 2 Open Rear Cover in order as below 1 2 3 4 Disassemble the AC cover Pull the AC cord connector Hold the panel from the hole of the AC cover and have the center of the rear cover bottom Lift rear cover in the direction of the arrow 32 inch 40 inch 46 inch ...

Page 40: ...3DC82CF88F94C89335DE228C2E33B63EF4C97C76C4AE6FD7BFACDFCEC4DBFE63737C 32 附录 1 拆除后盖步骤 1 关闭电源并拆卸螺丝 2 按照如下步骤打开后盖 1 拆下电源盖板 3 从电源盖板的孔洞按住液晶屏同时抓住后盖底部的中间部位 2 拔下电源线连接头 4 朝着箭头的方向抬起后盖 32 寸 40 寸 46 寸 KLV 32BX350 40 46BX450 CH ...

Page 41: ...el APPENDIX 2 1 PROCEDURE TO REMOVE LCD PANEL FROM BEZEL ASSY Peel off double sided tapes between bezel assembly and LCD panel when exchanging LCD panel etc allow below instruction Lift the panel up to disassemble the bezel Use tool to loosen the hook as A Pull out the hook as B A B 1 Disassemble 2 screws 2 Unplug the IR wire 3 Remove the panel from the bezel ...

Page 42: ...89335DE228C2E33B63EF4C97C76C4AE6FD7BFACDFCEC4DBFE63737C 33 2 剥离两边的胶带 1 分离支架与液晶屏附录 2 1 从面板移除液晶屏的步骤当要更换液晶屏时撕下粘在边框与液晶屏之间的胶带等等请遵循如下指导 1 拆卸2个螺丝 2 拔掉红外线接收板的连接线 A B 使用工具松动锁扣 A 并移除 B 3 面板上移动液晶屏从边框上拆去液晶屏 KLV 32BX350 40 46BX450 CH ...

Page 43: ...ff peel off all tapes from bezel assembly and stick new ones P N 4 281 014 01 1 Peel off double sided tapes from Panel Possibly remain on Bezel side 2 EXCHENGE DOUBLE SIDED TAPES 1position 230 x 12mm t 0 4 32 46 40 2 Stick double sided tapes Peel off separate papers before panel puts on APPENDIX 2 1position 230 x 12mm t 0 4 1position 230 x 12mm t 0 4 2position 230 x 12mm t 0 4 ...

Page 44: ...BFACDFCEC4DBFE63737C 34 1 从面板组件上撕下双面胶带胶带可能还黏在面框边上 46 位置1 230 x 12mm t 0 4 2 液晶屏装上前清理干净双面胶带纸附件 2 2 更换双面胶带由于当胶被剥离过一次后双面胶的粘性就会减弱剥掉面板组件上所有的胶带并且附上新的 P N 4 281 014 01 32 位置1 230 x 12mm t 0 4 40 位置2 230 x 12mm t 0 4 位置1 230 x 12mm t 0 4 KLV 32BX350 40 46BX450 CH ...

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