Sony Bravia KLV-32BX350 Bedienungsanleitung

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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 AZ3WKCHASSIS

Segment: P-2F

5BEE7C12F6303DC82CF88F94C89335DE228C2E33B63EF4C97C76C4AE6FD7BFACDFCEC4DBFE63737C

SERVICE MANUAL

LCD Digital Color TV

AZ3WKCHASSIS

Segment: P-2F

9-888-459-02

5BEE7C12F6303DC82CF88F94C89335DE228C2E33B63EF4C97C76C4AE6FD7BFACDFCEC4DBFE63737C

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

5BEE7C12F6303DC82CF88F94C89335DE228C2E33B63EF4C97C76C4AE6FD7BFACDFCEC4DBFE63737C

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

RM-SA022

中国

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KLV-32BX350,40/46BX450(CH) 4

WARNINGS AND CAUTIONS -ENGLISH

CAUTION

These servicing instructions are for use by qualified service personnel only.

To reduce the risk of electric shock, do not perform any servicing other than that contained in the operating instructions unless you are qualified to do so.

WARNING!!

An isolation transformer should be used during any service to avoid possible shock hazard, because of live chassis.

The chassis of this receiver is directly connected to the ac power line.

CARRYING 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 views, and in the parts list are critical for safe operation. Replace these components with Sony

parts whose part numbers appear as shown in this manual or in supplements published by Sony. Circuit adjustments that are critical for safe operation are identified in this manual.

Follow these procedures whenever critical components are replaced or improper operation is suspected.

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警告与注意

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。

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

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KLV-32BX350,40/46BX450(CH) 5

WARNINGS AND CAUTIONS

USE CAUTION WHEN HANDLING THE LCD PANEL

When repairing the LCD panel, be sure you are grounded by using a wrist band.

When repairing the LCD panel on the wall, the LCD panel must be secured using the 4 mounting holes on the rear cover.

1) Do not press on the panel or frame edge to avoid the risk of electric shock.

2) Do not scratch or press on the panel with any sharp objects.

3) Do not leave 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 material.

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) It is recommended not to exceed 1 hour of Power-On nor Burn-in period with LCD panel face down condition, in repair activity.

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搬运液晶显示屏时请务必小心

修理液晶显示屏时，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。

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)

5BEE7C12F6303DC82CF88F94C89335DE228C2E33B63EF4C97C76C4AE6FD7BFACDFCEC4DBFE63737C

KLV-32BX350,40/46BX450(CH) 6

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.

2. Check the interboard wiring to ensure that no wires are “pinched” or touching high-wattage resistors.

3. Check that all control knobs, shields, covers, ground straps, and 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 their replacement.

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.

8. For safety reasons, repairing the Power board and/or Inverter board is prohibited.

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安全检测

故障维修完成后，在交付给用户前必须进行下列检查：

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)

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