Philips-PET-716-Service-Manual(1) 电路图 维修手册.pdf
《Philips-PET-716-Service-Manual(1) 电路图 维修手册.pdf》由会员分享,可在线阅读,更多相关《Philips-PET-716-Service-Manual(1) 电路图 维修手册.pdf(54页珍藏版)》请在收音机爱好者资料库上搜索。
1、DVD Portable Player PET719 fr Reparaturen sind Original-Ersatzteile zu verwenden. I Le norme di sicurezza esigono che lapparecchio venga rimesso nelle condizioni originali e che siano utilizzati i pezzi di ricambio identici a quelli specificati. After servicing and before returning set to customer p
2、erform a leakage current measurement test from all exposed metal parts to earth ground to assure no shock hazard exist. The leakage current must not exceed 0.5mA. CLASS 1 LASER PRODUCT 3122 110 03420 GBWarning ! Invisible laser radiation when open. Avoid direct exposure to beam. SVarning ! Osynlig l
3、aserstrlning nr apparaten r ppnad och sprren r urkopplad. Betrakta ej strlen. SFVaroitus ! Avatussa laitteessa ja suojalukituksen ohitettaessa olet alttiina nkymttmlle laseristeilylle. l katso steeseen! DKAdvarse ! Usynlig laserstrling ved bning nr sikkerhedsafbrydere er ude af funktion. Undg udsaet
4、telse for strling. When?the?power?supply?is?being?turned?on,?you?may?not?remove?this?laser?cautions?label.?If?it?removes,?radiation?of?laser may?be?received. 2.1 ESD PROTECTION PREPARATION?OF?SERVICING Pickup?Head?consists?of?a?laser?diode?that?is?very?susceptible?to?external?static?electrocity. Alt
5、hough?it?operates?properly?after?replacement,?if?it?was?subject?to?electrostatic?discharge?during?replacement, its?life?might?be?shortened.?When?replacing,?use?a?conductive?mat,?soldering?iron?with?ground?wire,etc.?to protect?the?laser?diode?form?damage?by?static?electricity. And?also,?the?LSI?and?I
6、C?are?same?as?above. Soldering?iron with?ground?wire or?ceramic?type Ground?conductive wrist?strap?for?body. Conductive?mat The?ground?resistance between?the?ground?line and?the?ground?is?less?than?10 1M SAFTY NOTICE Plug the AC line cord directly into a 120V AC outlet (do not use an isolation trans
7、former for this check). Use an AC voltmeter, having 5000 per volt or more sensitivity. Connect a 1500 10W resistor,paralleled by a 0.15uF 150V AC capacitor between a knomn good earth ground (water pipe, conduit, etc.) and all exposed metal parts of cabinet (antennas, handle bracket, metal cabinet sc
8、rewheads, metal overlays, control shafts, etc.). SAFTY PRECAUTIONS LEAKAGE CURRENT CHECK Measure the AC voltage across the 1500 resistor. The test must be conducted with the AC switch on and then repeated with the AC switch off. The AC voltage indicated by the meter may not exceed 0.3V.A reading exc
9、eeding 0.3V indicates that a dangerous potential exists, the fault must be located and corrected. Repeat the above test with the DVD VIDEO PLAYER power plug reversed. NEVER RETURN A DVD VIDEO PLAYER TO THE CUSTOMER WITHOUT TAKING NECESSARY CORRECTIVE ACTION. READING SHOULD NOT EXCEED 0.3V DVD VIDEO
10、PLAYER AC OUTLET AC VOLTMETER Test all exposed metal. Voltmeter Hook-up for Leakage Current Check 0.15uF 150V AC 1500 10W (5000 per volt or more sensitivity) Good earth ground such as a water pipe, conduit, etc. The lightning flash with arrowhead symbol, within an equilateral triangle, is intended t
11、o alert the user to the presence of uninsulated dangerous voltage within the products enclosure that may be of sufficient magnitude to constitute a risk of electric shock to persons. The exclamation point within an equilateral triangle is intended to alert the user to the presence of important opera
12、ting and maintenance (servicing) instructions in the literature accompanying the appliance. 2.2 SAFETY INSTRUCTIONS Battery Handling Guideline Since the battery is packed in soft package, to ensure its better performance, its very important to carefully handle the battery 2.2.1 Soft Aluminium foil T
13、he soft aluminum packing foil is very easily damaged by sharp edge parts such as Ni-tabs, pins and needles. Dont strike battery with any sharp edge parts Trim your nail or wear glove before taking battery Clean worktable to make sure no any sharp particle 2.2.2 Sealed edge Sealing edge is very flims
14、y Dont bend or fold sealing edge 2.2.3 Folding edge The folding edge is form in battery process and passed all hermetic test. Dont open or deform folding edge 2.2.4 Tabs The battery tabs are not so stubborn especially for aluminum tab. Dont bend tab 2.2.5 Mechanical shock Dont Fall, hit, bend batter
15、y body 2.2.6 Short Short terminals of battery is strictly prohibited, it may damage battery. 3.0 INSTRUCTION FOR USE 4.0 MECHANICAL INSTRUCTION Disassembly Procedure for Main Set 1. Remove 8pcs of screws on the side of bottom cabinet. 2. Open the bottom cabinet; unplug all the wire connecter from ma
16、in board. The wire connecters are for: DVD loader, battery board and TFT driver board, Key board and speaker. Remove all the screws on the main board(3 pcs) and SW board(1 pc); then take the main board from bottom cabinet. 3. up-plug the FFC from DVD driver, then you can take out the DVD Driver. 4.
17、Remove the flex FFC on the bottom side behind the black flannel 4.0 MECHANICAL INSTRUCTION 5. Remove 2 pcs of screws on the battery board. Then take out the battery together with the battery board. Remove 7pcs of screws on the key board and take away the black flannel you see, you can take the key b
18、oard from the DVD top cabinet. 6. Remove 4pcs of screws on the display frame. Carefully open the display frame with the catches by screwdriver.( There are six catches as shown in the pictures) Then you can see next picture. 7. To remove the hinge, remove the screws on the hinge. 4.0 MECHANICAL INSTR
19、UCTION 8. To remove the TFT, de-soldering the wire connected between TFT and TFT board first. (Please note the wire location as shown in picture during re- assembly) And unplug wire connecter from TFT board. 9. Take out the driver board from cabinet using eradicator. 4.0 MECHANICAL INSTRUCTION Disas
20、sembly Procedure for 2nd Screen 1. Remove 4pcs of screws on the side of bottom cabinet. 2. Open the bottom cabinet, up-plug all the wire connecter from main board, The wire connecter are for : audio board and speaker. Remove all the screws on the boards and up-plug the connect housing ,then you can
21、take each board out from bottom cabinet. 3. Take the black flannel away, de-soldering the wire connected between audio board and panel. 4. Then you can take the panel from display frame. But youd better becareful! The panel is adhere by two side tape rubbers as shown in the pictures. 5.0 TROUBLESHOO
22、TING SYMPTOM: BATTERY NO POWER Start Check Battery capacity? BATTERY CANT Power ON Check charging function OK? SET OK? No Defect, return set to Customer Check adaptor power-ON OK? no Check the Power-ON button and cable OK? Replace Main Board Replace Button or Cable yes Yes NO No Yes Yes No 5.0 TROUB
23、LESHOOTING SYMPTOM: NO IMAGE / NO SOUND SYMPTOM: NO IMAGE OUTPUT ( THE PANEL SHOW BLUE PICTURE) Start Check the external AV Cable TYPEnote and connection is OK? Replace DVD DriveCheck DVD Drive work? Replace Main Board Exchange AV cable NOTE: AV Cable TYPE from outside to Inside L-Audio, R-Audio, Vi
- 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:
- Philips-PET-716-Service-Manual1 电路图 维修手册 Philips PET 716 Service Manual 维修 手册
收音机爱好者资料库所有资源均是用户自行上传分享,仅供网友学习交流,未经上传用户书面授权,请勿作他用。



Marshall-9100-62-02-Schematic电路原理图.pdf


