Philips-DMREH-57-Service-Manual电路原理图.pdf
《Philips-DMREH-57-Service-Manual电路原理图.pdf》由会员分享,可在线阅读,更多相关《Philips-DMREH-57-Service-Manual电路原理图.pdf(103页珍藏版)》请在收音机爱好者资料库上搜索。
1、 2007 Matsushita Electric Industrial Co., Ltd. Allrights reserved. Unauthorized copying anddistribution is a violation of law.Vol. 1Colour(S).Silver Type(K).Black TypeDVD RecorderORDER NO.CHM0705024CEModel No.1 Safety Precaution 31.1. General guidelines 32 Warning 42.1. Prevention of Electrostatic D
2、ischarge (ESD) toElectrostatic Sensitive (ES) Devices 42.2. Precaution of Laser Diode 52.3. Service caution based on legal restrictions 63 Service Navigation 73.1. Service Information 73.2. Caution for DivX 74 Specifications 85 Location of Controls and Components 106 Operation Instructions 126.1. Ta
3、king out the Disc from DVD-Drive Unit when the Disccannot be ejected by OPEN/CLOSE button 127 Service Mode 157.1. Self-Diagnosis and Special Mode Setting 158 Service Fixture & Tools 279 Disassembly and Assembly Instructions 289.1. Disassembly Flow Chart 289.2. P.C.B. Positions 299.3. Top Case 309.4.
4、 Front Panel 309.5. HDD, ATAPI P.C.B. 319.6. RAM/Digital P.C.B. Module 339.7. DV Jack P.C.B. 349.8. Rear Panel 349.9. Power P.C.B. 359.10. HDMI P.C.B. 359.11. Main P.C.B., Front Jack P.C.B. and Front (L) P.C.B. 3610 Measurements and Adjustments 3710.1. Service Positions 3710.2. Caution for Replacing
5、 Parts 4110.3. Standard Inspection Specifications after Making Repairs 4311 Block Diagram 4511.1. Power Supply Block Diagram 4511.2. Analog Video Block Diagram 4711.3. Analog Audio Block Diagram 4811.4. Analog Timer Block Diagram 4911.5. HDMI Block Diagram 5012 Schematic Diagram 5112.1. Interconnect
6、ion Schematic Diagram 5112.2. Power Supply Schematic Diagram 5212.3. Main Net (1/4) Section (Main P.C.B. (1/4) SchematicDiagram (M) 5312.4. Main Net (2/4) Section (Main P.C.B. (1/4) SchematicDiagram (M) 5412.5. Main Net (3/4) Section (Main P.C.B. (1/4) SchematicDiagram (M) 5512.6. Main Net (4/4) Sec
7、tion (Main P.C.B. (1/4) SchematicDiagram (M) 5612.7. AV I/O (1/4) Section (Main P.C.B. (2/4) SchematicDiagram (AV) 5812.8. AV I/O (2/4) Section (Main P.C.B. (2/4) SchematicDiagram (AV) 5912.9. AV I/O (3/4) Section (Main P.C.B. (2/4) SchematicDiagram (AV) 6012.10. AV I/O (4/4) Section (Main P.C.B. (2
8、/4) SchematicDiagram (AV) 6112.11. Tuner Section (Main P.C.B. (3/4) Schematic Diagram(TU) 6312.12. Timer (1/4) Section (Main P.C.B. (4/4) SchematicDiagram (T) 6412.13. Timer (2/4) Section (Main P.C.B. (4/4) SchematicDiagram (T) 6512.14. Timer (3/4) Section (Main P.C.B. (4/4) SchematicDiagram (T) 661
9、2.15. Timer (4/4) Section (Main P.C.B. (4/4) SchematicDiagram (T) 6712.16. HDMI Schematic Diagram 6812.17. DV Jack Schematic Diagram 6912.18. Front Jack Schematic Diagram 6912.19. Front (L) Schematic Diagram 6912.20. ATAPI Schematic Diagram 6913 Printed Circuit Board 7113.1. Power P.C.B. and DV Jack
10、 P.C.B. 7113.2. Main P.C.B. 7213.3. HDMI P.C.B. 7713.4. Front Jack P.C.B. and Front (L) P.C.B. 7813.5. ATAPI P.C.B. 7914 Appendix for Schematic Diagram 8114.1. Voltage and Waveform Chart 8115 Parts and Exploded Views 8815.1. Exploded Views 8815.2. Replacement Parts List 90CONTENTSPage Page2DMR-EH57G
11、N1.1.1. Leakage current cold check1. Unplug the AC cord and connect a jumper between the twoprongs on the plug.2. Measure the resistance value, with an ohmmeter, betweenthe jumpered AC plug and each exposed metallic cabinetpart on the equipment such as screwheads, connectors,control shafts, etc. Whe
12、n the exposed metallic part has areturn path to the chassis, the reading should be between1Mg87 and 5.2Mg87.When the exposed metal does not have a return path to thechassis, the reading must be .1.1.2. Leakage current hot check(See Figure 1 .)1. Plug the AC cord directly into the AC outlet. Do not u
13、se anisolation transformer for this check.2. Connect a 1.5kg87, 10 watts resistor, in parallel with a 0.15Fcapacitors, between each exposed metallic part on the setand a good earth ground such as a water pipe, as shown inFigure 1.3. Use an AC voltmeter, with 1000 ohms/volt or moresensitivity, to mea
14、sure the potential across the resistor.4. Check each exposed metallic part, and measure thevoltage at each point.5. Reverse the AC plug in the AC outlet and repeat each of theabove measurements.6. The potential at any point should not exceed 0.75 voltsRMS. A leakage current tester (Simpson Model 229
15、 orequivalent) may be used to make the hot checks, leakagecurrent must not exceed 1/2 milliampere. In case ameasurement is outside of the limits specified, there is apossibility of a shock hazard, and the equipment should berepaired and rechecked before it is returned to thecustomer.Figure 11 Safety
- 配套讲稿:
如PPT文件的首页显示word图标,表示该PPT已包含配套word讲稿。双击word图标可打开word文档。
- 特殊限制:
部分文档作品中含有的国旗、国徽等图片,仅作为作品整体效果示例展示,禁止商用。设计者仅对作品中独创性部分享有著作权。
- 关 键 词:
- PhilipsDMREH57ServiceManual 电路 原理图