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1、GB CLASS 1 LASER PRODUCT Service ServiceService ServiceService MC-M350/21/22/25 TABLE OF CONTENTS Page Location of PCBs Rs=600 Tuner in : FM67.5kHz, AM80%Modulation CD in : -6dB track Tape in : 250nWb/m Output sensitivity Headphone output at 32: 15mW 2dB CASSETTE RECORDER: Number of track: 2 Tracks
2、(Stereo) Tape speed: 4.76 cm/sec 2% Wow and flutter: 0.4% DIN Fast-wind/Rewind time C60: 130 sec Bias system: 78kHz 10kHz Rec/Pb freq. response within 8dB: 80Hz - 10kHz Signal to Noise Ratio (A-weighted): 48dBA Distortion 250nWb/m: 5% Channel Difference at overall: 62dBA Distortion at 1kHz: 30dB Emp
3、hasis: 15/50 S (switched automatically) THD Noise(1kHz): 1.00% Outband Attenuation: 20dB for Freq. 40kHz MP3 - CD : Bit rates: 32K - 320Kps Sampling rates: 32KHz/44.1KHz/48KHz RadioFans.CN 收音机爱 好者资料库 LF Generator e.g. PM5110 Recorder Use Universal Test Cassette CrO2SBC419 4822 397 30069 LEVEL METER
4、e.g. Sennheiser UPM550 with FF-filter S/N and distortion meter e.g. Sound Technology ST1700B L R DUT or Universal Test Cassette FeSBC420 4822 397 30071 LEVEL METER e.g. Sennheiser UPM550 with FF-filter S/N and distortion meter e.g. Sound Technology ST1700B L R DUT CD Use Audio Signal Disc (replaces
5、test disc 3) SBC429 4822 397 30184 Bandpass 250Hz-15kHz e.g. 7122 707 48001 LF Voltmeter e.g. PM2534 DUT S/N and distortion meter e.g. Sound Technology ST1700B Frame aerial e.g. 7122 707 89001 Tuner AM (MW,LW) To avoid atmospheric interference all AM-measurements have to be carried out in a Faradays
6、 cage. Use a bandpass filter (or at least a high pass filter with 250Hz) to eliminate hum (50Hz, 100Hz). RF Generator e.g. PM5326 Ri=50 Bandpass 250Hz-15kHz e.g. 7122 707 48001 LF Voltmeter e.g. PM2534 DUT RF Generator e.g. PM5326 S/N and distortion meter e.g. Sound Technology ST1700B Use a bandpass
7、 filter to eliminate hum (50Hz, 100Hz) and disturbance from the pilottone (19kHz, 38kHz). Ri=50 Tuner FM MEASUREMENT SETUP 1-4 1-5 SERVICE AIDS Service Tools: Universal Torx driver holder . 4822 395 91019 Torx bit T10 150mm . 4822 395 50456 Torx driver set T6 - T20. 4822 395 50145 Torx driver T10 ex
8、tended . 4822 395 50423 Cassette: SBC419 Test cassette CrO2 . 4822 397 30069 SBC420 Test cassette Fe . 4822 397 30071 MTT150 Dolby level 200nWb/M. 4822 397 30271 Compact Disc: SBC426/426A Test disc 5 + 5A . 4822 397 30096 SBC442 Audio Burn-in Test disc 1kHz . 4822 397 30155 SBC429 Audio Signals disc
9、 . 4822 397 30184 Dolby Pro-logic Test Disc . 4822 395 10216 ESD Equipment: Anti-static table mat - large 1200 x650 x1.25mm . 4822 466 10953 Anti-static table mat - small 600 x650 x1.25mm. 4822 466 10958 Anti-static wristband . 4822 395 10223 Connector box (1M) . 4822 320 11307 Extension cable (to c
10、onnect wristband to conn. box). 4822 320 11305 Connecting cable (to connect table mat to conn. box) . 4822 320 11306 Earth cable (to connect product to mat or box) . 4822 320 11308 Complete kit ESD3 (combining all above products) . 4822 320 10671 Wristband tester . 4822 344 13999 HANDLING CHIP COMPO
11、NENTS 1-6 GBWARNING All 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.
12、 Keep components and tools also at this potential. F ATTENTION Tous les IC et beaucoup dautres semi-conducteurs sont sensibles aux dcharges statiques (ESD). Leur longvit pourrait tre considrablement courte par le fait quaucune prcaution nest prise leur manipulation. Lors de rparations, sassurer de b
13、ien tre reli au mme potentiel que la masse de lappareil et enfiler le bracelet serti dune rsistance de scurit. Veiller ce que les composants ainsi que les outils que lon utilise soient galement ce potentiel. ESD DWARNUNG Alle ICs und viele andere Halbleiter sind empfindlich gegenber elektrostatische
14、n Entladungen (ESD). Unsorgfltige Behandlung im Reparaturfall kan die Lebensdauer drastisch reduzieren. Veranlassen Sie, dass Sie im Reparaturfall ber ein Pulsarmband mit Widerstand verbunden sind mit dem gleichen Potential wie die Masse des Gertes. Bauteile und Hilfsmittel auch auf dieses gleiche P
15、otential halten. NLWAARSCHUWING Alle ICs en vele andere halfgeleiders zijn gevoelig voor electrostatische ontladingen (ESD). Onzorgvuldig behandelen tijdens reparatie kan de levensduur drastisch doen verminderen. Zorg ervoor dat u tijdens reparatie via een polsband met weerstand verbonden bent met h
16、etzelfde potentiaal als de massa van het apparaat. Houd componenten en hulpmiddelen ook op ditzelfde potentiaal. IAVVERTIMENTO Tutti IC e parecchi semi-conduttori sono sensibili alle scariche statiche (ESD). La loro longevit potrebbe essere fortemente ridatta in caso di non osservazione della pi gra
17、nde cauzione alla loro manipolazione. Durante le riparazioni occorre quindi essere collegato allo stesso potenziale che quello della massa dellapparecchio tramite un braccialetto a resistenza. Assicurarsi che i componenti e anche gli utensili con quali si lavora siano anche a questo potenziale. “Pou
18、r votre scurit, ces documents doivent tre utiliss par des spcia- listes agrs, seuls habilits rparer votre appareil en panne”. GB Safety regulations require that the set be restored to its original condition and that parts which are identical with those specified, be used. NL Veiligheidsbepalingen ve
19、reisen, dat het apparaat bij reparatie in zijn oorspronkelijke toestand wordt teruggebracht en dat onderdelen, identiek aan de gespecificeerde, worden toegepast. F Les normes de scurit exigent que lappareil soit remis ltat dorigine et que soient utiliss les pices de rechange identiques celles spcifi
20、es. D Bei jeder Reparatur sind die geltenden Sicherheitsvorschriften zu beachten. Der Original zustand des Gerts darf nicht verndert werden; fr Reparaturen sind Original-Ersatzteile zu verwenden. I Le norme di sicurezza esigono che lapparecchio venga rimesso nelle condizioni originali e che siano ut
21、ilizzati 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. CLASS 1 LASER PRODUCT 3
22、122 110 03420 GB Warning ! 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 suojalukituksen ohitettaessa olet alttiina nkymttmlle laseristeilylle.
23、l katso steeseen! DK Advarse ! Usynlig laserstrling ved bning nr sikkerhedsafbrydere er ude af funktion. Undg udsaettelse for strling. PREPARATIONS AND CONTROLS 1-7 Preparations speaker? (right? )? speaker? (left)? AC power cord? AM loop ? antenna? FM wire antenna? A B C Rear connections The type pl
24、ate is located at the rear of the system. APower Before connecting the AC power cord to the wall outlet, ensure that all other connections have been made. WARNING! For optimal performance, use only the original power cable. Never make or change any connections with the power switched on. To avoid ov
25、erheating of the system, a safety circuit has been built in. Therefore, your system may switch to Standby mode automatically under extreme conditions. If this happens, let the system cool down before reusing it (not available for all versions). BAntennas Connection Connect the supplied AM loop anten
26、na and FM antenna to the respective terminals. Adjust the position of the antenna for optimal reception. AM Antenna Position the antenna as far as possible from a TV, VCR or other radiation source. Preparations FM Antenna For better FM stereo reception, connect an outdoor FM antenna to the FM AERIAL
27、 (FM ANTENNA) terminal. CSpeakers Connection Front Speakers Connect the speaker wires to the SPEAKERS terminals, right speaker to RIGHT and left speaker to LEFT, colored (marked) wire to + and black (unmarked) wire to -. Fully insert the stripped portion of the speaker wire into the terminal as show
28、n. Notes: For optimal sound performance, use the supplied speakers. Do not connect more than one speaker to any one pair of +/- speaker terminals. Do not connect speakers with an impedance lower than the speakers supplied. Please refer to the SPECIFICATIONS section of this manual. Optional connectio
29、n The optional equipment and connecting cords are not supplied. Refer to the operating instructions of the connected equipment for details. Connecting other equipment to your system Connect the audio left and right OUT terminals of a TV, VCR, Laser Disc player, DVD player or CD Recorder to the AUX t
30、erminals. Note: If you are connecting equipment with a mono output (a single audio out terminal), connect it to the AUX left terminal. Alternatively, you can use a “single to double” cinch cable (the output sound still remain mono). Before using the remote control 1Pull out the plastic protective sh
31、eet. 2Select the source you wish to control by pressing one of the source select keys on the remote control (for example CD, TUNER). 3Then select the desired function (for example , ,). Replacing battery (lithium CR2025) into the remote control 1Pull out the knob A slightly to the left. 2Pull out th
32、e battery compartment B . 3Replace a new battery and fully insert the battery compartment back to the original position. plastic protective sheet CAUTION! Batteries contain chemical substances, so they should be disposed off properly. A C R 2 0 2 5 L I T H I U M B PREPARATIONS AND CONTROLS 1-8 0 ! 9
33、 3 * two times the actual pixel clock for screen video interface. PCLK44I/OPixel clock qualifier in for screen video interface. AUX7:054:52, 49:45I/OAuxiliary control pins (AUX0 and AUX1 are open collectors). LD7:062:55I/ORISC interface data bus. LWR#63ORISC interface write enable (active low). LOE#
34、64ORISC interface output enable (active low). LCS3,1,0#65:67ORISC interface chip select (active low). LA17:087:82, 79:68ORISC interface address bus. VPP81IDigital supply voltage for 5V. ACLK88I/OMaster clock for external audio DAC (8.192 MHz, 11.2896 MHz, 12.288 MHz, 16.9344 MHz, and 18.432 MHz). AO
35、UT/89ODual-purpose pin. AOUT is the audio interface serial data output SEL_PLL0ISelect PLL0 input. The matrix below lists the available clock frequencies and their respective PLL bit settings. ATCLK90I/OAudio transmit bit clock. ATFS91OAudio transmit frame sync. SEL_PLL1IRefer to the description and
36、 matrix for SEL_PLL0 pin 89. DOE#92ODRAM output enable (active low). AIN93IAudio serial data input. ARCLK94IAudio receive bit clock. ARFS95IAudio receive frame sync. TDMCLK96ITDM interface serial clock. TDMDR97ITDM interface serial data receive. TDMFS98ITDM interface frame sync. CAS#99ODRAM column a
37、ddress strobe bank 0 (active low). NameNumberI/ODefinition SEL_PLL1 SEL_PLL0 Clock Output 00Bypass PLL 0154.0 MHz 1067.5 MHz 1181.0 MHz PIN DESCRIPTION (Continued) VIDEO CD PROCESSOR ES3210 VIDEO CD PROCESSOR ES3210 8-58-5 8-138-13 LAYOUT DIAGRAM - MCU & CD BOARD SMD SIDE DIGITAL SERVO PROCESSOR TC9
38、462F BLOCK DIAGRAM 8-68-6 DIGITAL SERVO PROCESSOR TC9462F DIGITAL SERVO PROCESSOR TC9462F PINS DESCRIPTION PINS DESCRIPTION 8-78-7 DIGITAL SERVO PROCESSOR TC9462F PINS DESCRIPTION DIGITAL SERVO PROCESSOR TC9462F PINS DESCRIPTION 8-88-8 PIN CONFIGURATIONS Q5 OE A10 Q7 Q6 A13 A8 A9 A11 PGM A17 Q0 A0 A
39、2 A3 A4 A5 A6 A7 A12 A15 A16 A14 A1 Vcc Vpp 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 30 31 32 25 26 27 28 29 20 21 22 23 24 19 18 17Q3 Q4 GND Q2 CE Q1 32-pin DIP BLOCK DIAGRAM CONTROL OUTPUT BUFFER DECODER CORE ARRAY Q0 Q7 . CE OE A0 . PGM V GND CC VPP A17 PIN DESCRIPTION SYMBOLDESCRIPTION A0A17Addres
40、s Inputs Q0Q7Data Inputs/Outputs CE Chip Enable OE Output Enable PGM Program Enable VPPProgram/Erase Supply Voltage VCCPower Supply GNDGround DRAM T224162B28S E2PROM W27C020 8-98-9 MICROPROCESSOR TA2153FN BLOCK DIAGRAM 8-108-10 CIRCUIT DIAGRAM - MCU & CD BOARD 8-118-11 LAYOUT DIAGRAM - MCU & CD BOAR
41、D COMPONENT SIDE 8-128-12 8-148-14 ELECTRICAL PARTSLIST - CD MCU BOARD - MISCELLANEOUS - DIODES - CN3019965 000 18230CONN 16P H P=1.0D4064822 130 83883FR202 CN3029965 000 18232CONN 30P P=1.25 VZD4014822 130 83206BZX79-B5V6 CN3039965 000 18273CONN 9P CN4019965 000 18274CONN 22P PA79965 000 14709TERMI
42、NAL PIN- IC & TRANSISTORS - SW3019965 000 18285SWITCH SIDE SPVF130100IC10019965 000 19731IC ES320TFP IC10029965 000 19732IC ES3210FM IC10039965 000 19734IC T224162B-28S - RESISTORS -IC10049965 000 14729E2PROM W27C020 IC3019965 000 18275IC MCU TMP87EP26F4K76 RF3019965 000 145371/2W 1 IC4019322 171 88
43、668IC SM TA2153FN IC4029965 000 18276IC TC9462F - COILS & FILTERS -IC4039965 000 18277IC TA2092N IC4044822 209 80817L7805CV L10019965 000 19740FIXED IND 100H TP=52MMQ10015322 130 60159BC846B L10029965 000 19760FIXED IND 2.4H (K) L10039965 000 19761FIXED IND 3.3H CECSQ10025322 130 60159BC846B L100499
44、65 000 19762FIXED IND 10HQ10034822 130 40981BC337-25 L29965 000 14721FILTER EMI BL01 RN1Q10044822 130 40981BC337-25 Q3015322 130 60159BC846B L39965 000 14721FILTER EMI BL01 RN1Q3025322 130 60159BC846B L3019965 000 19740FIXED IND 100H TP=52MM L3029965 000 19740FIXED IND 100H TP=52MMQ3035322 130 60159
45、BC846B L3039965 000 19740FIXED IND 100H TP=52MMQ3045322 130 44593BC369 L49965 000 14721FILTER EMI BL01 RN1Q3055322 130 44593BC369 Q3064822 130 60373BC856B L4019965 000 19762FIXED IND 10HQ4014822 130 44568BC557B L4029965 000 19763FIXED IND 47H (K) T26 L59965 000 14721FILTER EMI BL01 RN1Q4025322 130 4
46、4593BC369 X10019965 000 19764XTAL 27MHZQ4035322 130 60159BC846B X3019965 000 18282CRYSTAL 7.3728 MHZQ4054822 130 40981BC337-25 X3029965 000 18283CRYSTAL 32.768KHZ X4019965 000 19766XTAL 16.93MHZ - DIODES - D14822 130 318781N4003G D10014822 130 306211N4148 D10024822 130 306211N4148 D10034822 130 3062
47、11N4148 D10044822 130 31554BZX79-B4V3 Note: Only these parts mentioned in the list are D24822 130 318781N4003G normal service parts. D34822 130 306211N4148 D3014822 130 306211N4148 D3024822 130 306211N4148 D3034822 130 306211N4148 D3054822 130 306211N4148 D44822 130 306211N4148 D4014822 130 306211N4148 D4024822 130 306211N4148 D4034822 130 83883FR202 D4044822 130 83883FR202 D4054822 130 83883FR202 ?! DIODE & CONNECTION BOARDS TABLE OF CONTENTS Diode Board - Circuit Diagram .9-1 Diode Board - Layo
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