Philips-PET-320-Service-Manual(1) 电路图 维修手册.pdf
《Philips-PET-320-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-320-Service-Manual(1) 电路图 维修手册.pdf(33页珍藏版)》请在收音机爱好者资料库上搜索。
1、DVD Portable Player PET320/00/05/37 3141 785 30840 Version 1.0 TABLE OF CONTENTS Chapter Technical Specification. 1 Safety Instructions. 2 Instruction for Use 3 Mechanical Instructions. 4 Troubleshooting fr Reparaturen sind Original-Ersatzteile zu verwenden. I Le norme di sicurezza esigono che lappa
2、recchio 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 perform a leakage current measurement test from all exposed metal parts to earth ground to assure no shock hazard exist. The
3、 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 laserstrlning nr apparaten r ppnad och sprren r urkopplad. Betrakta ej strlen. SFVaroitus ! Avatussa laitteessa ja suojaluki
4、tuksen ohitettaessa olet alttiina nkymttmlle laseristeilylle. l katso steeseen! DKAdvarse ! Usynlig laserstrling ved bning nr sikkerhedsafbrydere er ude af funktion. Undg udsaettelse for strling. RadioFans.CN 收音机爱 好者资料库 When?the?power?supply?is?being?turned?on,?you?may?not?remove?this?laser?cautions
5、?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. Although?it?operates?properly?after?replacement,?if?it?was?subject?to?electrostatic?discharge?during?r
6、eplacement, 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?IC?are?same?as?above. Soldering?iron with?ground?wire or?ceramic?type Ground?conductive wrist?strap?
7、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 transformer for this check). Use an AC voltmeter, having 5000 per volt or more sensitivity. Connect a 15
8、00 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 screwheads, metal overlays, control shafts, etc.). SAFTY PRECAUTIONS LEAKAGE CURRENT CHECK Measure th
9、e 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 exceeding 0.3V indicates that a dangerous potential exists, the fault must be located and corrected. R
10、epeat 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 PLAYER AC OUTLET AC VOLTMETER Test all exposed metal. Voltmeter Hook-up for Leakage Current Check 0
11、.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 to alert the user to the presence of uninsulated dangerous voltage within the products enclosure tha
12、t 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 operating and maintenance (servicing) instructions in the literature accompanying the appliance. 3. INST
13、RUCTION FOR USE 4. MECHANICAL INSTRUCTIONS Disassembly Procedure on PET320 Screw Philips 12NC 1 Remove the screws on bottom housing cabinet 994000003857 (7pcs) 2 Use finger or treezer to separate middle cabinet from the bottom cabinet assy 3 Generally open up the bottom cabinet 4 After removal the b
14、ottom cabinet, there is the bottom PCBA connected with the bottom cabinet. While another side, there is the driver, LCD and top PCBA connected with the middle and top cabinet. 4. MECHANICAL INSTRUCTIONS Disassembly Procedure on PET320 Screw Philips 12NC 5 Remove the screws on bottom PCBA to separate
15、 it from the bottom cabinet 994000003858 (5pcs) 6 Lift up the driver generally from the pin area on the middle cabinet 7 Remove the screws on metal plate to separate it from the top cabinet 8 Remove the screws on speaker holder to separate the speaker and top PCBA from the top cabinet 994000003859 9
16、94000003861 (4pcs) 994000003863 4. MECHANICAL INSTRUCTIONS Disassembly Procedure on PET320 Screw Philips 12NC 9 Remove the screws on LCD edge to separate it from the top cabinet 994000003862 (4pcs - included in LCD module) 10 The button key could be picked up easily 994000003865 994000003864 9940000
17、03866 5. TROUBLESHOOTING ;0.1U/16V RP1 33/J 1 2 3 45 6 7 8 C218 220P/50V 12 TP79 PANEL SPI-ENABLE R278 8.2K 2 1 TP91656-D3 TP83 +5V_TFT R276 30K 2 1 R232 10K/J 2 1 L241A/600 OHM 12 TP96656-D6 TP85GH +15V L231A/600 OHM 12 TP90 656-D4 C19910U/6.3V 12 R247 12K 2 1 TP81 CCIR_CLK L201A/600 OHM 12 TP95656
18、-D7 R277 47K 2 1 C214 220P/50V 12 C207 0.1U/16V 12 R240 1K 2 1 R274 8.2K 2 1 R273 330 2 1 TP94656-D8 C216 220P/50V 12 C202 2.2U/25V 12 R24210K/J 21 FB46 0 TP78 PANEL SPI-CLOCK TP87 PGNDA C20510U/6.3V 12 R24410K/J 21 R245 20K 2 1 R19333 C212 220P/50V 12 L250 12 C213 220P/50V 12 C206 10U/6.3V 12 C215
19、220P/50V 12 R25620K 21 TP77 PANEL SPI-DATA C1980.1U/16V 12 VR1NC50K 12 3 TP88 VSET R246 1K 2 1 C217 220P/50V 12 R241 10K/J 2 1 R257 33K 2 1 C201 0.1U/16V 12 R243 1K 2 1 TP76 POLS TP80 7.2 Electrical Diagram TFT-RESET of Bottom PCBA L22 1A/600 OHM 12 C200 0.1U/16V 12 L260 12 TP93656-D1 TP84GL -8V C21
20、0 2.2U/25V 12 C229 0.1U/16V RP2 33/J 1 2 3 45 6 7 8 5 5 4 4 3 3 2 2 1 1 DD CC BB AA LED+ LED- BL-Power control(4) LED+(12) LED-(12) VIN_SYS GNDP GNDPGNDP GNDP GNDP GNDP TP74 LED+ D32 MBR0520LT1G U12 TPS61042 3 5 6 4 8 7 1 2 9 VIN CTRL GND FB SW OVP LED Rs GND D36 M2J728 AC C197 4.7U/16V C196 2.2uF/2
21、5V L214.7UH C231 10U/6.3V C227 0.1U/16V R269 390K TP75 LED+ R229 13R/F 5 5 4 4 3 3 2 2 1 1 DD CC BB AA 1.2V 350mv GNDPGNDP GNDP GNDP +5V_SYS D+1.2V R211 150KR + C160 NC;TAN 47U/6.3V 12 FB13 1A/600 OHM U10 AT1366 4 1 2 5 3 VIN RUN GND FB SW C225 0.1U/16V L17 SDC43-4R7M C226 10U/6.3V C159 47P C156 0.1
22、U/16V R209 75KRC158 10U/6.3V FB35 1A/600 OHM R262 1MR 5 5 4 4 3 3 2 2 1 1 DD CC BB AA Vout=0.5X(1+R4/R5) 12 3 BAT54S 到ESD-GND GNDM GNDRF +5V_RF +5V_SYS GNDP GNDP GNDP GNDPGNDP GNDP GNDPGNDP GNDP GNDP GNDPGNDP GL -8V GH +15V VIN_SYS +5V_SYS GNDP +5V_M GNDRF GNDP GNDP AGND GNDPGNDP GNDA R19910R/0805 C
23、148 0.1U/16V FB11 1A/600 OHM D18 Zenor/8.2V 21 C224 0.1U/16V + TC6 TAN 47U/6.3V 12 C147 1U/6.3V D23 MBRA340T3G 21 C153 220P FB280 R202 NC D19 Zenor/15V 21 D17 BAT54S/SOT 3 1 2 C1422.2uF/25V D20 BAT54S/SOT 3 1 2 + C145 TAN 100U/6.3V C243 NC 4.7uF/25V +C143 NC 10U/6.3V C152 0.47U/10V L16 10uH/3A C140
24、1U/25V C150 1U/6.3V D22 BAT54S/SOT 3 1 2 Q30 APM2300A G DS R20410K/J D21 BAT54S/SOT 3 1 2 FB17 1A/600 OHM R203 6.8K FB12 1A/600 OHM C154 NC R206 18K R205 165K C141 1U/25V C138 0.1U/16V FB360 U9 APW7078 1 2 3 45 6 7 8 INV SCP VDD CTLOUT GND OSC FB C151 270p C1361U/25V C155 1U/6.3V C137 1U/25V + TC7 T
- 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-320-Service-Manual1 电路图 维修手册 Philips PET 320 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


