Philips-CDR785_CDR786-cdr-sm 电路图 维修手册.pdf
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1、chapter Technical Specification and Measurement setup.1-1, 1-2 Location of printed circuit boards.1-3 Warnings 202652 PAUSE 202648 SHUFFLE202628 REPEAT202629 CD1202055 CD2202056 CD3202057 CDR262663 RC5 code RC283505, 130300 Remote Control:RC5 commandsRC283505 TECHNICAL SPECIFICATION L R LEVEL METER
2、e.g. Sennheiser UPM550 with FF-filter S/N and distortion meter e.g. Sound Technology ST1700B DUT CD Use Audio Signal Disc SBC429 4822 397 30184 (replaces test disc 3) MEASUREMENT SETUP RadioFans.CN 收音机爱 好者资料库 1-3 FRONT BOARD INTERFACE BOARD HEADPHONE/MIC BOARD SWITCHED MODE POWER SUPPLY NTC loccatio
3、n of pcbs, 240200 KEY BOARD RIGHTKEY BOARD LEFT LOCATION OF PRINTED BOARDS picture 1 2-1 WARNING All ICs and many other semiconductors are susceptible to electrostatic discharges (ESD). Careless handling during repair can reduce life drastically. When repairing, make sure that you are connected with
4、 the same potential as the mass of the set via a wristband with resistance. Keep components and tools at this potential. f ATTENTION Tous les IC et beaucoup dautres semi-conducteurs sont sensibles aux dcharges statiques (ESD). Leur longvite pourrait tre considrablement courte par le fait quaucune pr
5、caution nst prise leur manipulation. Lors de rparations, sassurer de bien tre reli au mme potentiel que la masse de lappareil et enfileer le bracelet serti dune rsistance de scurit. Veiller ce que les composants ainsi que les outils que lon utilise soient galement ce potentiel. d WARNUNG Alle ICs un
6、d viele andere Halbleiter sind empfindlich gegenber elektrostatischen Entladungen (ESD). Unsorgfltige Behandlung im Reparaturfall kann die Lebensdauer drastisch reduzieren. Sorgen Sie dafr, da Sie im Reparaturfall ber ein Puls- armband mit Widerstand mit dem Massepotential des Gertes verbunden sind.
7、 Halten Sie Bauteile und Hilfsmittel ebenfalls auf diesem Potential. WAARSCHUWING Alle ICs en vele andere halfgeleiders zijn gevoelig voor electrostatische ontladingen (ESD). Onzorgvuldig behandelen tijdens reparatie kan de levensduur drastisch doen vermindern. Zorg ervoor dat u tijdens reparatie vi
8、a een polsband met weerstand verbonden bent met hetzelfde potentiaal als de massa van het apparaat. Houd componenten en hulpmiddelen ook op ditzelfde potentiaal. i AVVERTIMENTO Tutti IC e parecchi semi-conduttori sono sensibili alle scariche statiche (ESD). La loro longevit potrebbe essere fortement
9、e ridatta in caso di non osservazione della pi grande cauzione alla loro manipolazione. Durante le riparationi occorre quindi essere collegato allo stesso potenziale che quello della massa delpparecchio tramite un braccialetto a resistenza. Assicurarsi che i componenti e anche gli utensili con quali
10、 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. Safety components are marked by the symbol i Le norme di sicurezza estigono che lapparecchio venga rimesso nelle
11、condizioni originali e che siano utilizzati i pezzi di ricambiago identici a quelli specificati. Componenty di sicurezza sono marcati con Veiligheidsbepalingen vereisen, dat het apparaat in zijn oorspronkeliijke toestand wordt teruggebracht en dat onderdelen, identiek aan de gespecificeerde, worden
12、toegepast. De Veiligheidsonderdelen zijn aangeduid met het symbool s Varning ! Osynlig laserstrlning nr apparaten r ppnad och sprren r urkopplad. Betrakta ej strlen. Advarsel ! Usynlig laserstrling ved bning nr sikkerhedsafbrydere er ude af funktion. Undg udsaettelse for strling. Varoitus ! Avatussa
13、 laitteessa ja suojalukituksen ohitettaessa olet alttiina nkymttmlle laseristeilylle. l katso steeseen ! f Pour votre scurite, ces documents doivent tre utiliss par des spcialistes agrs, seuls habilits rparer votre appareil en panne. ESD SAFETY d Bei jeder Reparatur sind die geltenden Sicherheitsvor
14、- schriften zu beachten. Der Originalzustand des Gertes darf nicht verndert werden. Fr Reparaturen sind Original- ersatzteile zu verwenden. Sicherheitsbauteile sind durch das Symbol markiert. f Les normes de scurit exigent que lappareil soit remis ltat dorigine et que soient utilises les pices de re
15、change identiques celles spcifies. Les composants de scurit sont marqus CLASS 1 LASER PRODUCT DANGER: Invisible laser radiation when open. ? After servicing and before returning the set to customer perform a leakage current measurement test from all exposed metal parts to earth ground, to assure no
16、shock hazard exists. The leakage current must not exceed 0.5mA. AVOID DIRECT EXPOSURE TO BEAM. AVAILABLE ESD PROTECTION EQUIPMENT : anti-static table matlarge 1200 x650 x1.25mm4822 466 10953 small 600 x650 x1.25mm4822 466 10958 anti-static wristband4822 395 10223 connection box (3 press stud connect
17、ions, 1M)4822 320 11307 extendible cable (2m, 2M, to connect wristband to connection box)4822 320 11305 connecting cable (3m, 2M, to connect table mat to connection box)4822 320 11306 earth cable (1M, to connect any product to mat or to connection box) 4822 320 11308 KIT ESD3 (combining all 6 prior
18、products - small table mat)4822 310 10671 wristband tester4822 344 13999 WARNINGS the arrows () indicate the reaction from the recorder; the dots () indicate remarks, advice or special options within a sequence of actions. The dot-marked instructions are not necessary for the required operation. All
19、 instructions in this manual are based on control via the keys on the set. If there are corresponding keys available on the remote control they can be used as well. All redundant packing material has been omitted. We have done our utmost to make the packaging easily separable into three mono materia
20、ls: cardboard (box), polystrene foam (buffer) and polyethylene (bags, protective foam sheet). Your set consists of materials which can be recycled if disassembled by a specialized company. Please observe the local regulations regarding the disposal of packing materials, exhausted batteries and old e
21、quipment. As an ENERGY STAR partner, Philips has determined that this product meets the ENERGY STAR guidelines for energy efficiency. 2 Analog audio cables (with red and white plugs) 1 Digital coaxial cable(with black plugs) Mains cable 2 batteries for the remote control, size AA Remote control Subj
22、ect to modification without notice. General Power consumption .16 W Power consumption in Standby. CD COMPILE CD LED CON 4 LED CON 5 12 LED CON 3 LED CON 7 LED CON 6 to/from Front / Display Board 1405 E blue TRACK EDIT NO CANCEL red red:LS T770 K-L green: LG T770 L-M BALANCE REC LED red KEY BOARD RIG
23、HT KEY2 CDR AUX blue KEY REC LEVEL REC. TYPE FINALIZE ERASE JOG_Ared 400mV TB = 0.5s/div for CD_RW : 3V 3.3V EYE-PATTERN -Laser dead ! 1.6V during Focus search 3.2V 1.6V 3.1V for CD_DA : 0V 0V 1.6V 0V 10V 3V 0V 3V 1.6V EVMV .DC voltages measured in Play mode with following conditions +A=+10.5V and +
24、5V=+5V 1800 D2 1801 G1 1810 C10 2800 C4 2801 C5 2802 C4 2803 C5 2805 B5 2806 B5 2807 A4 2808 A5 2809 H4 2810 A4 2811 A5 2814 D5 2815 D5 2816 B12 2818 B11 2822 F9 2823 F10 2824 F10 2825 F9 2826 G12 2828 G13 2833 C10 2834 C10 2835 F7 2837 H4 2838 E8 2839 F4 2840 G4 2841 F5 2842 F4 2844 G5 2849 C1 2850
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