Service Manual - Wiki Karat
Contents
1.2.
3. C510 470 6 470 Ls 8 0 ELECTRICAL DIAGRAM MAIN BOARD CIRCUIT DIAGRAM SPEAKER
4. ip dp o gt 54 Al lt 6 Q m m O U on E Ra S N T ne gt el H 9 0 COMPONENT LAYOUT DVD1650H HV PCB BOARD DIAGRAM e SO nen PET700 MAIN BOARD DIAGRAM 10 SERVICE PART LIST Service parts list on PET700 Service 12NC Accessory description 994000000722 BATTERY 994000002875 IF PCB ASS Y 994000002876 MAIN PCB ASS Y ier Fa S 994000002877 PET dO0 FUNCTION PCB ASS Y 99400000287
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8. replace MAIN BOARD SYMPTOM NO IMAGE OR SOUND COMES OUT FROM THE EXTERNAL OUTPUT ED no replace DVD drive Replace the main board or the connector 5 0 TROUBLESHOOTING amp SERVICE TIPS SYMPTOM THE INITIAL SCREEN IS NOT DISPLAYED ON THE LCD Check if the Replace broken Repair connector LED on the harness t lights up yes yes Remove the LCD cover and plate of the LCD unit to Open the top and bottom assembly eck if th connector backlightis deeg to check the harness check the OK connector harness connector of the FL harness yes se Replace FL y inverter or LCD Remove the LCD Open the top and cover and plate of Check if the bottom assembly Is the the LCD unit to lighting of the no __ to check the connector no p check the CD is connector to the broken connection of the main board harness to the LCD unit yes yes y Replace LCD Replace LCD unit harness or main or main board board Connect the LCD Is the harness tothe me no connection LCD unit OK yes Replace LCD unit or main board SYMPTOM NO IMAGE OR SOUND COMES OUT FROM THE EXTERNAL INPUT Replace the main board or the connector 9 0 TROUBLESHOOTING amp S
9. e TP28 2 2k 30 29 16v ox TP30 1 0 01uF g LPFIN ADATAS 756 ASDAT2 R429 G2 81 zo B37 E 7 LPFOP ASDATA2 ASDATI E 81 JTFO ADATAI H eeng ASDATO 20k aes Ser O 1uF te BATA Det FMSO 23 6 A Ja SES 1 R438 750K 11 153 ZS VINLD VOSL R430 Sc d FOSO 100pF R440 20k SERA EIS AMDAT It le VINS C VIP4 20 TRSO Ra42 18k 18 FOO MC_DATA 151 ACLK d vinas 3 EEAS TRO ACLK DY33 A VINTK G ile JI To ee SIE _ TRoPENPwM DVDD3 189 ARR 150p Soe Se FOSO C442 CB39 PWMOUT2 6 17 MT 148 ABCK mun Si c 150p ou F Paaa v25 e Our CK a7 DOTS KEYINO 0 1uF DMSO R 10k TEN RD16 Cas 7 402 EUSO 19 DMO RD17 Cas GND JL ous Doug GND 20 FMO DVSS 444 Go KEYIN2 10s 16 15k SC N509 RD18 43 Date KEYINS AB Fe ng 5 Se 142 Do KEYOUTO A9 141 Da2t KEYOUT1 AiG 3 HIGHAt RD21 V25 S AT HIGHA2 D2871 DVDD2 mao KEYOUT2 AT g RD22 ze DOS HIGHA4 RD23 os DONZ cB46 C457 c456 C455 GND 28 SMD LOFP 216 DOMA DON 0 1uF 0 015uF 330pF 330pF A13 g DVSS DAM3 EC 4 A15 HIGHA6 DVSS i34 DQ24 TFTSW ig S e AD7 HIGHA7 RD24 733 DQ25 BATDET P2 ADS AD7 RD25 Das DQ26 NC KEYBODY ADS ADE RD26 734 DOC 81 52 58 54 ADA 4 ADS RD27 DV33 1 LEFT PLAY TOP MENU MONITOR DV33 a5 AD4 DVDD3 apas 28 DISRLAYO 2 DVDD3 RD28 3 AD3 Ee BE Ga 515511 DISLAYI 3 m leen h
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11. POWERSW DCIN ajno EC P3aILDVCC 22 22 Ei ES 9E 18 CD DVD sw 18 Di fel B GND 7 D 3 12 5 5 2 GND Ta HA VRDVD 11 B IS olmo D e Te c o R 7 8 JGND_ 18 GND 8 7 LD DvVD__ 17 MODE2 9 INC 1 ER ER Sao 3 TRK 3 SPs f3 2 TRK 2 CLD a 11 D C GND AS af oom GND 2 GND 2 era EE RES EE ee MAIN PCB GND OO ef se fel CoB Si GND 14 5V LOADI Z G gt lt 0 Ga FUNCTION BUTTON PCB BRIGHT CO TFT HV9V 9 7 0 Overall wiring diagram 30 _VCOMS 130 20 29 28 po 28 27 27 26 NC 126 25 CLD 25 24 Bi Soup 23 22 22 21 GND 21 20 spol 120 191 19 18 18 17 LCDG Di 16 LCDB 6 15 5 14 14 131 GND 13 121 2 11 19 111 10 coms Du 9 GND 8 7 MODE2 6 CLS SPS 4 8 GND 2 VDD3V3 1 VDD3V3 PPO RIO ONI oO 20 0 1 300 LINDYIO HAMOd OC NVESOVIC WOlWLOA TA 0 8 WA 2 N oi L N gt 6 Tl N9L NOL
12. vss 58 4 7 Our aie AV33 BERENS EE ine __ gt TFTON O FF be oe Ge OO 91 P452 Eo o 5 5 6 6 5 9 5 6 5 oaeee ___ gt DISRLAYO N412 47 ER ele S He b 6 S 5 he hue R453 AV33 MX29LV008TTC 70 Sei ke lo RE ole SE 47 SMD 4410 28 3 Bel B EKER OI SREEE Lena PAL NTSC L416L436 Ge jj 9 B amp Z2012600T Ke N417 T SS Tak PCM1742 R465 STZ62N 5 E 33 VCC 5V OGN m ER R494 1 16 1001 16 8604 R464 8 88 BCK sok 100 IEN 99 ZL AUDIO OUT 47K 1 TO TFT BOARD ale als Can 575 Ce A 5 5039 4 IT 100uF 1eu 100 3 14 EM407 LRCK MC Tot 1 BBS FK2127186AL VD410 VD411 E ge R543 R544 502 T Da if v25 5355 Ieper R516 R530 VRI 100K 51K 7 HEAD PHONES P463 SEE Ge 9 c 5 12 100K 100 WHXB 2 20K 515 Dv33 47K g BBE PERE 1001F 6V 0864 5814 0515 Te Co 1 16 Kap AUDIO 5V EEN 1 10uF Ty d 01uF 6 11 CEA R540 N5902 JI 0544 aes 0 1uF 0 1uF 0 1uF 0 1uF 0 1uF 0 1uF o 5V ZEROOA E A 10K PERA I sip 556 1 10 vcom Lour spe Si ci ada gadaas dn an 4 4399 dd w FR d rour j SS ee SS 1 ga ES me SESSSSSRSSSESEZE 888 SSSS Bagg d 8 8 aguas l ol C555 100 Se gt T T ma IN vec T Be 01uF 2239 DEE e FOLO Bees DV33 T0F 16V 0 1uF R556 10uF ih 10K 5 4 542 L x Q 8 S 514 GND 100U es CS Te cB C
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14. ICs and many other semi conductors are susceptible to electrostatic discharges ESD Careless handling during repair can reduce life drastically When repairing make sure that you are connected with the same potential as the mass of the set via a wrist wrap with resistance Keep components and tools also at this potential CF ATTENTION Tous les IC et beaucoup d autres semi conducteurs sont sensibles aux d charges statiques ESD Leur long vit pourrait tre consid rablement court e par le fait qu aucune pr caution n est prise leur manipulation Lors de r parations s assurer de bien tre reli au m me potentiel que la masse de l appareil et enfiler le bracelet serti d une r sistance de s curit Veiller ce que les composants ainsi que les outils que lon utilise soient galement ce potentiel 2 0 SAFTETY INSTRUCTIONS ESD A Akan 9 WARNUNG Alle ICs und viele andere Halbleiter sind empfindlich gegenuber elektrostatischen Entladungen ESD Unsorgfaltige Behandlung im Reparaturfall kan die Lebensdauer drastisch reduzieren Veranlassen Sie dass Sie im Reparaturfall Uber ein Pulsarmband mit Widerstand verbunden sind mit dem gleichen Potential wie die Masse des Ger tes Bauteile und Hilfsmittel auch auf dieses gleiche Potential halten CNL WAARSCHUWING Alle IC s en vele andere halfgeleiders zijn gevoelig voor electrostatische ontladingen ESD Onzorgvuldig behandelen
15. other ction work correctly Secure the connection of the battery harness inside the DVD player y no Replace main board SYMPTOM NO SOUND COMES FROM THE HEADPHONES Insert a good Customer headphones and check if headphones e problem persist defective yes y Replace main board 5 0 TROUBLESHOOTING amp SERVICE TIPS SYMPTOM NO SOUND COMES FROM THE HEADPHONES Insert a good Customer headphones and check if no headphones e problem persist defective Replace main board 1 5 e 09 05 1 48 zozoa Jual ozsozo GG T al ole OOLSSdL pzz as 1 1 Y3XY3dS ZZ8ZQ S X dINV Yayvads OC 20 20 AMSLLVE NI OG 89 dINV INO AG YIAN 4 36088 ZrZLINOd g O1GNV OIGNV ino olanv ino ogain s T Ly 6861 WSIUBYDOW Nd Ee 88 E 8 8 3 Z 9JdN Ae 5595340 8 GAC 35 1 AQL ASYL AG aa ZHINZZ tat Ld i 0 i GL LODOZI9AISLN 04 9 feel 6 SCM e NVYSVIC HOO 18 09 SWITCH PCB
16. previous 1 M4 or next chapters tracks or titles FUNCTION PREVIOUS NEXT TITLE MEUN OSD PLAY PAUSE STOP 4 Up down left right cursor OK Confirms selection TITLE Display TITLE page MENU Display MENU page OSD On Screen Display on off PLAY Starts resumes playback PAUSE Pause playback STOP Press twice to stop playback Remote control OSD SETUP On Screen Display on off Enters SE ment SUBTITLE LANGUAGE Subtitle language Language selector selector AUDIO ANGLE Audio language Selects DVD selector camera angle SCAN PLAY MODE Playback of the first 10 Selects play order seconds of each chapter index on the disc BOOKMARK Selects bookmark options MENU Displays MENU page TITLE Displays TITLE page 4 Previous chapter track or title 44 Search backward PLAY OK Confirms selection and starts playback STOP Press twice to stop playback PAUSE Pause playback 0 9 Numerical keypad options ZOOM Enlarges chapter video image REPEAT Repeats chapter title disc A B To repeat or loop a sequence in a title WW Next chapter track or title bp Search forward 7 7 7 gt Up down left right cursor SLOW PLAY Slow motion Frame by frame playback RETURN For VCD menu page TIME SEARCH Searches by time MUTE Muting player volume 4 0 Mechnical instructions 1 Back View as Fig 1 Remove screws to Disassemble t
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18. 8 PET700 HV PCB ASS Y 994000002879 PET 00 TFT LCD 994000000724 REMOTE CONTROL PET 00 994000002892 PET700 20 PIN HARNESS LE105 20 PIN HARNESS L140 10 SERVICE PART LIST 994000000726 AV CABLE 994000002893 PET700 SPEAKER 994000000727 TRAVEL BAG a II LOADER ne RA II CIGARTTE ADAPTOR n ADPV18A ADAPTOR 05 ADPV18A ADAPTOR 00 ADPV18A ADAPTOR 44 ADPV18A ADAPTOR 75 10 SERVICE PART LIST 994000002881 PET OU OP COVER 994000002882 PET700 DISPLAY FRAME 994000002883 PET700 MIDDLE CABINET 994000002884 PET700 BOTTOM CABINET 994000002885 PET700 BASE COVER 994000002886 PET700 DOOR 994000002988 PET700 CONTROL KEY PAD 994000002895 PET700 DOOR SPRING 994000002887 OPEN BUTTON SPRING 1 994000002888 OP COVER LOCK SPRING e 11 0 REVISION LIST Version 1 0 3141 785 30560 Initial release PET 700 00 05 44 75 Version 1 1 39141 785 30561 Chapter 10 Service parts list adapted with new parts and revised 12NC as listed below e Added photo on speaker 994000002893 e Deleted DVD mark 994000002889 e Added the new part control key pad 994000002988
19. DVD Portable Player PE 700 00 05 44 75 Gs lee ervice TABLE OF CONTENTS Chapter Technical Specification Safety Instructions Instruction for Use Mechanical Instructions Troubleshooting amp Service tips Overall block diagram Overall wiring diagram Electrical diagram Component layout Service part list Revision list Copyright 2005 Philips Consumer Electronics B V Eindhoven The Netherlands All rights reserved No part of this publication may by reproduced stored in a retrieval system or transmitted in any form or by any means electronics mechanical photocopying or otherwise without the prior permission of Philips 3141 785 30561 PHILIPS Version 1 1 1 0 TECHNICAL SPECIFICATION and SERVICE HINT General Dimensions WxLxH Weight Power supply Power consumption Operating temp range Laser wavelength Video system Frequency response Signal noise ratio Audio distortion noise Channel separation Dynamic range Output Audio out analog audio Load impedance Video out Output level Load impedance Current consumption 19 x 14 6 x 2 9 cm 7 48 x 5 75 x 1 14 inches 1kg 2 2 Ib DC 9V 2 2 lt 20W 0 50 C 82 122 F 650nm NTSC PAL AUTO 20Hz 20KHz 148 gt 85dB lt 80 1KHZz gt 85dB gt 80dB Output level 2V 10 10Ko 1Vp p 20 759 DC IN SUPPLY 9 0V COMPACT Audio CD DIGITAL AUDIO In addition this uni
20. ERVICE TIPS SYMPTOM THE DVD DRIVE DOES NOT WORK Press the DISC cover switch at the center of the DVD player and turn on the power Then check whether or not the optical pick start up lens of the DVD drive lights CAUTION Visible laser radiation when open and interlock defeated Do not stare into Laser beam Replace DVD drive A Pick up lens light up dim gt OK Pick up lens light up OK Secure the connection of the DVD drive and main board Insert a DVD disc we and turn on the power The DVD drive works but the initializing operation of the optical pick up lens does not start the optical pick up lens operates twice or abnormal noise sound Ahat is the drive does not work reaction of the Replace DVD The operation of the DVD player stops at initializing display drive or main board A Check the DVD disc for oading displayed HECK DISK displayed gt fingerprints dirt m Nothing on display Is the DVD disc OK DVD disc OK DVD disc dirty yes no 5 0 TROUBLESHOOTING amp SERVICE TIPS SYMPTOM THE DVD DRIVE DOES NOT OPERATE WITH BATTERY E For this check use a battery which is not fully arged because the LED does not light when t batteryJs fully charged yes Replace battery Before thi eck make sure
21. IVE ACTION READING SHOULD NOT EXCEED 0 3V DVD VIDEO PLAYER bs AG 5000 per volt or more sensitivity O O Good earth ground such as a water pipe 15009 conduit etc 0 10W 0 15uF 150V AC AC OUTLET Test all exposed metal Voltmeter Hook up for Leakage Current Check 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 product s enclosure that may be of sufficient magnitude to constitute a risk of electric shock to persons gt 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 gt 3 0 INSTRUCTIONS FOR USE Front of player POWER CHG Power and charging indicator Grip Opens display and disc tray CHG C CH POWER Left of player POWER ON OFF Switches the player on off Right of player PHONE 1 PHONE 2 AUDIO VIDEO TV OUTe eTFTON COAXIAL 9V PE Roe El ay GG v kA VOLUME DC IN 9V Volume control Power supply socket PHONES 1 amp 2 COAXIAL Headphones jack Digital audio output jack coaxial AUDIO VIDEO AV cable jack TV OUT TFT ON Selects video output Opens disc tray Disc tray Open to inser or remove disc Disc tray FUNCTION Selects display mode Dl For
22. S ez BIO Ka GNOE P519 Dap R541 2 1 S EE 084 VD525 5 6K R526 10K IN ROUT 0 1uF 01uF loug 01uF i OtuF ou 5355 1K 0512 VD513 HEAD PHONES o o a 28 z 10UF 16V R547 szen ZN ZN ss At p Ww R521 if 51K L502 11 1 DEES ER agag 88 oo 288 N419 VD526 10K 509 E gn lt S R545 0545 100H S Se GE VO EE OG 22 EE ISS55 VD524 B 2 16V 100K 51P 3 dle EMT M12L6416A MUTE KTA1298 ee P527 Hans aan Sy 85 3 833 Bas Kee l l vp522 1K AUDIO VCC 3 AUX 5 Sc 5355 R507 R508 5 Ir 1K 150K 150K C531 cs30 Rh kk 2 e VD510 ees 100 16 100n 2 gd SEBE Rear 28D601AR pets SS 0598 191 AUX SW VD523 0 H 100 16V SPEAKER vecsv ISS55 p Ke CLOSE 0525 Z IN R 3 aes 3n3 0582 1 9001 0511 am 534 IN Laut 0586 CLOSESW 2241 10V 8 4 100 16V R568 vp521 IN GND 100K IS855 Kb j lt R510 R509 535 d VD407 10K 10K 47U pe KTA1298 d l l K w gt du
23. city Although 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 IC are same as above Ground conductive wrist strap for body Soldering iron with ground wire or ceramic type Conductive mat The ground resistance between the ground line and the ground is less than 10 SAFTY NOTICE SAFTY PRECAUTIONS LEAKAGE CURRENT CHECK Plug the AC line cord directly into a 120V AC outlet do Measure the AC voltage across the 1500 resistor not use an isolation transformer for this check Use an The test must be conducted with the AC switch on and AC voltmeter having 5000 per volt or more sensitivity then repeated with the AC switch off The AC voltage Connect a 1500Q 10W resistor paralleled by a 0 15uF indicated by the meter may not exceed 0 3V A reading 150V AC capacitor between a knomn good earth ground exceeding 0 3V indicates that a dangerous potential water pipe conduit etc and all exposed metal parts of exists the fault must be located and corrected cabinet antennas handle bracket metal cabinet Repeat the above test with the DVD VIDEO PLAYER screwheads metal overlays control shafts etc power plug reversed NEVER RETURN A DVD VIDEO PLAYER TO THE CUSTOMER WITHOUT TAKING NECESSARY CORRECT
24. een bie AIS 127 PAL NTSC ee oe S 12 SS ADI g 02 RD30 456 15 1 cS 5 l i ag ee ADO RD31 GND 6 et ao A a ADO See 7 s5 s8 s9 s10 A2 g l D1 AG Al 41 DA tog 8 402 RIGHT RETURN STOP DOWN A3 Pallas D2 58 ADS V25 40 m SPMOTOR A4 A3 D3 AD4 2 43 DVDD2 PAT ETT 55 5 KN As as Ds ADs 44 045 ovo 428 N406 AG Kei Ge LA 06 A4 4 Ai Rato 119 NNN A7 4 AD7 A5 46 118 BA1 MAATA 7 HSE0038 AS D7 A6 F 1OA5 BAI CH 12 DaM 8 56 si ER 515 A9 AS AT 48 1946 DAMO Trig 5 PREV quick A10 8 1 ATS 48 OAT DOM Caas GND S003 4 alles A17 NS DND i4 MASA TFT SW 3 i zis zi i A11 42 x A17 A12 A18 113 MA5 NNN 2 7 ES oe T SE T 5 1 A13 4 A12 A19 8 D Cu WAN TFT SW Peg E 1 ATA A13 A20 10A19 RAG DV33 1 A14 IOA20 pvpp3 Hi ar RN M a D me A15 54 APLLVSS g paz H10 ey S e Base Oe Se A16 RESET m 3 gaans AAE 5 ae e om 8 6 H 14371 448 i KEYBODY Aig aga s GEES Be20t2600T i Sieg ATS A18 aAA A 4 4 4 sea 419 vec v33 85853455 100F 16v Ca J il FCE 425 B52 8107 3 9 93 5 559399 5 53 95 9 535 885 3 3 515 5 5 515 35 5 BATDET 0 1uF V 4 0 1uF 0 1uF cB104 50
25. he base Screws Fig 1 2 Soldered short pattern for laser diode as Fig 2 soldered D Fig 2 3 Disassemble the DVD drive and main board as Fig 3 4 Disconnect the DVD drive and main board Fig 3 Disassemble the key board and other parts 5 Remove top cover as Fig 5 remove remove screws Fig 5 6 Disassemble the IF board and HV board as Fig 6 eil em p WI Sa RL eg e 7 Detach the TFT as Fig 7 Take off the screws to remove LCD TFT 5 0 TROUBLESHOOTING amp SERVICE TIPS 5 1 Procedure to change regioncode 1 Power on player and open DVD Door Press lt Set Up gt at Remote Control In lt Set Up Menu gt select lt Preferences gt For PET700 Press successively 25231 5 4 Display will show lt Region Code 2 gt for Europe Press key to input preference region code see below table Switch off and re switch on the product SN Verify Region code change done Region Region Code USA USA EUROPE ASIA PACIFIC 4 AUSTRALIA NEW ZEALAND LATAM RUSSIA INDIA 6 CHINA REMARKS 1 Password is CONFIDENTIAL 2 Region code is printed on product type plate Due to DVD legislation region codes different to assigned region may not be released 9 0 TROUBLESHOOTING amp SERVICE TIPS SYMPTOM NO POWER NO GREEN LED replace cable adapter replace connector and switch unit no
26. le zu verwenden Le norme di sicurezza esigono che l apparecchio 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 leakage current must not exceed 0 5mA Pour votre s curit ces documents doivent tre utilis s par des sp cia listes agr s seuls habilit s a r parer votre appareil en panne CLASS 1 LASER PRODUCT 3122 110 03420 Warning Invisible laser radiation when open Avoid direct exposure to beam 5 Varning Osynlig laserstralning nar apparaten ar ppnad och sp rren ar urkopplad Betrakta ej stralen GF Varoitus Avatussa laitteessa ja suojalukituksen ohitettaessa olet alttiina nakymattomalle laserisateilylle Ala katso sateeseen Advarse Usynlig laserstraling ved abning nar sikkerhedsafbrydere er ude af funktion Undga udsaettelse for straling 2 1 ESD PROTECTION e LUAICSHBT CARTE TTS DO NOT TOUCH THE LENS e LINSE NICHT BRUHREN NE PAS TOUCHER LA LENTILLE 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 PREPARATION OF SERVICING Pickup Head consists of a laser diode that is very susceptible to external static electro
27. t can play DVD R amp DVD RW and CD R amp CD RW that contains audio titles or MP3 or JPEG files You cannot play disc other than the above listed CVD CD ROM CD Extra CD G and CD I discs cannot be played on this DVD player Software upgrades For the best performance of your DVD Portable Check www philips com support for latest software upgrades available To check the software version of your DVD Portable 1 Press the SETUP key to enter the setup menu 2 Press RETURN and then press 1 2 and 3 on the remote control 3 The display will show the software version as the date of which the software was built on the bottom of the screen E g 050303 Procedure on how to upgrade the software of the DVD Portable 1 Download the latest software from the Philips Battery Charging Current 1 2A typ support site BATT SUPPLY 7 2V 2 Unzipped the files and then burn it onto a CD ROM Power Off then playback the CD ROM on the DVD Portable Playback with TFT on lt 1 2A typ Playback without TFT on Battery playtime Pixel specification lt 4 max 0 bright dots and 3 dark dots Headphone out headphone output load 2x160hm Maximum output power gt 10mW Frequency response 20Hz 2 SNR A wght GOOD typ THD 1 lt 1 Left Right Channel 3208 typ Separation Left Right Channel 1dB Balance Supported disc type DVD video discs VIDEO Video CD 515 WARNING All
28. tijdens reparatie kan de levensduur drastisch doen verminderen Zorg ervoor dat u tijdens reparatie via een polsband met weerstand verbonden bent met hetzelfde potentiaal als de massa van het apparaat Houd componenten en hulpmiddelen ook op ditzelfde potentiaal AWERTIMENTO Tutti IC e parecchi semi conduttori sono sensibili alle scariche statiche ESD La loro longevita potrebbe essere fortemente ridatta in caso di non osservazione della piu grande cauzione alla loro manipolazione Durante le riparazioni occorre quindi essere collegato allo stesso potenziale che quello della massa dell apparecchio tramite un braccialetto a resistenza Assicurarsi che i componenti e anche gli utensili con quali si lavora siano anche a questo potenziale Safety regulations require that the set be restored to its original condition and that parts which are identical with those specified be used QD Veiligheidsbepalingen vereisen dat het apparaat bij reparatie in zijn oorspronkelijke toestand wordt teruggebracht en dat onderdelen identiek aan de gespecificeerde worden toegepast Les normes de s curit exigent que l appareil soit remis l tat d origine et que soient utilis s les pi ces de rechange identiques celles sp cifi es Bei jeder Reparatur sind die geltenden Sicherheitsvorschriften zu beachten Der Original zustand des Ger ts darf nicht ver ndert werden f r Reparaturen sind Original Ersatztei
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