Philips-MCV-320-Service-Manual(1) 电路图 维修手册.pdf

《Philips-MCV-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-MCV-320-Service-Manual(1) 电路图 维修手册.pdf（62页珍藏版）》请在收音机爱好者资料库上搜索。

1、GB CLASS 1 LASER PRODUCT Service ServiceService ServiceService MC-V320/21M TABLE OF CONTENTS Page Location of PCBs Rs=600 Tuner in : FM67.5kHz, AM80%Modulation CD in : -6dB track Tape in : 250nWb/m Microphone in : 3.5mV; Rs=600 Output sensitivity Headphone output at 32: 15mW 1dB CASSETTE RECORDER: N

2、umber of track: 2 Tracks (Stereo) Tape speed: 4.76 cm/sec 2% Wow and flutter: 48dBA Distortion 250nWb/m: 5% Channel Difference at overall: 62dBA Distortion at 1kHz: 30dB Emphasis: 15/50 S (switched automatically by CD10) THD Noise(1kHz): 1.00% Outband Attenuation: 20dB for Frequency 40kHz VIDEO - CD

3、 : Video bandwidth: 6MHz Amplitude output : 1.0Vpp(+10/-15%) S/N luminance: 45dB Chroma/Luminance delay: 80ns 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 M

4、ETER 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 (repl

5、aces 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 Far

6、adays 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 ban

7、dpass 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 T

8、10 extended . 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

9、 disc . 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

10、(to connect 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

11、COMPONENTS 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 resist

12、ance. 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

13、 de bien 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 elektrostat

14、ischen 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 glei

15、che Potential 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

16、met hetzelfde 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 p

17、i grande 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.

18、 “Pour 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 Veiligheidsbepaling

19、en vereisen, 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 s

20、pcifies. 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 sia

21、no 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. CLASS 1 LASER PROD

22、UCT 3122 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 laseristeily

23、lle. 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 Rear connections The type plate is located at the rear of the system. APower Before connecting the AC power cord to t

24、he wall outlet, ensure that the following are done; If your system is equipped with a Voltage Selector, set the VOLTAGE SELECTOR to the local power line voltage. All other connections have been made. WARNING! For optimal performance, use only the original power cable. Never make or change any connec

25、tions with the power switched on. To avoid overheating 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

26、Connection Connect the supplied AM loop antenna and FM antenna to the respective terminals. Adjust the position of the antenna for optimal reception. AM Antenna speaker? (right)? speaker? (left)? AC power cord? AM loop ? antenna? FM wire antenna? A B D C VIDEO? IN? Television? L? R? AUDIO? OUT? Prep

27、arations Position the antenna as far as possible from a TV, VCR or other radiation source. FM Antenna For better FM stereo reception, connect an outdoor FM antenna to the FM AERIAL (FM ANTENNA) terminal. CSpeakers Connection Front Speakers Connect the speaker wires to the SPEAKERS terminals, right s

28、peaker 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 shown. Notes: For optimal sound performance, use the supplied speakers. Do not connect more than one speaker to any one pair

29、 of +/- speaker terminals. Do not connect speakers with an impedance lower than the speakers supplied. Please refer to the SPECIFICATIONS section of this manual. D Video Out Connection Connect the VIDEO OUT (CVBS) terminal at the rear of the system to the TV or VCR VIDEO IN for viewing or recording.

30、 Note: To avoid magnetic interference with the picture on your TV, do not position the front speakers too close to the TV. Optional connection The optional equipment and connecting cords are not supplied. Refer to the operating instructions of the connected equipment for details. Connecting other eq

31、uipment 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 terminals. Note: I output (a single audio out terminal), connect it to the AUX left terminal. Alternatively, you can use a “single to double” cinch cable (the o

32、utput sound still remain mono). Inserting batteries into the Remote Control Insert two batteries (Type R06 or AA) into the remote control with the correct polarity as indicated by the + and - symbols inside the battery compartment. CAUTION! Remove batteries if they are exhausted or not to be used fo

33、r a long time. Do not use old and new or different types of batteries in combination. Batteries contain chemical substances, so they should be disposed off properly. PREPARATIONS AND CONTROLS 1-8 2 3 1 8 6 4 5 7 9 0 ! # * $ ) ( $ two times the actual pixel clock for screen video interface. PCLK44I/O

34、Pixel 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#64ORISC interface output enable (active low). LCS3,1,0#65:67ORISC interface

35、 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). AOUT/89ODual-purpose pin. AOUT is the audio interface serial data output SEL_

36、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 matrix for SEL_PLL0 pin 89. DOE#92ODRAM output enable (active low). AIN93I

37、Audio 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 address strobe bank 0 (active low). NameNumberI/ODefinition SEL_PLL1 SEL_PLL

38、0 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 DIGITAL SERVO PROCESSOR TC9462F BLOCK DIAGRAM 8-68-6 DIGITAL SERVO PROCESSOR TC9462F DIGITAL SERVO PROCESSOR TC9462F PINS DESCRIPTION PINS DESCRIPTION 8

39、-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 A2 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

40、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 A0A17Address Inputs Q0Q7Data Inputs/Outputs CE Chip Enable OE Output Enable PGM Program Enable VPPProgram/Erase Supply Voltage VCCPower

41、Supply GNDGround DRAM T224162B28S E2PROM W27C020 8-98-9 MICROPROCESSOR TA2153FN BLOCK DIAGRAM 8-108-10 CIRCUIT DIAGRAM - MCU & VCD BOARD 8-118-11 LAYOUT DIAGRAM - MCU & VCD BOARD COMPONENT SIDE 8-128-12 8-138-13 LAYOUT DIAGRAM - MCU & VCD BOARD SMD SIDE 8-148-14 - MISCELLANEOUS - DIODES - CN10019965

42、 000 20205CONN BASE 3PD4054822 130 83883FR202 CN10029965 000 20206CONNECTOR BASE 2PD4064822 130 83883FR202 CN3019965 000 18230CONN 16P H P=1.0ZD4014822 130 83206BZX79-B5V6 CN3029965 000 18232CONN 30P P=1.25 V CN3039965 000 18273CONN 9P - IC & TRANSISTORS - CN4019965 000 18274CONN 22P SW3019965 000 1

43、8285SWITCH SIDE SPVF130100IC10019965 000 19731IC ES3207FP PA49965 000 20208WIRE 2PIC10029965 000 19732IC ES3210FM PA59965 000 20209WIRE 2PIC10039965 000 19734IC T224162B-28S PA79965 000 14709TERMINAL PINIC10049965 000 14729E2PROM W27C020 IC3019965 000 18275IC MCU TMP87EP26F4K76 - RESISTORS -IC401932

44、2 171 88668IC SM TA2153FN (TOSJ) R IC4029965 000 18276IC TC9462F RF3019965 000 145371/2W 1 IC4039965 000 18277IC TA2092N IC4044822 209 80817L7805CV Q10015322 130 60159BC846B - COILS & FILTERS - Q10025322 130 60159BC846B L10019965 000 19740FIXED IND 100H TP=52MMQ10034822 130 40981BC337-25 L10029965 0

45、00 19760FIXED IND 2.4H (K)Q10044822 130 40981BC337-25 L10039965 000 19761FIXED IND 3.3H CECSQ3015322 130 60159BC846B L10049965 000 19762FIXED IND 10HQ3025322 130 60159BC846B L29965 000 14721FILTER EMI BL01 RN1 Q3035322 130 60159BC846B L3019965 000 19740FIXED IND 100H TP=52MMQ3045322 130 44593BC369 L

46、3029965 000 19740FIXED IND 100H TP=52MMQ3055322 130 44593BC369 L3039965 000 19740FIXED IND 100H TP=52MMQ3064822 130 60373BC856B L4019965 000 19762FIXED IND 10HQ4014822 130 44568BC557B L4029965 000 19763FIXED IND 47H (K) T26 Q4025322 130 44593BC369 L4089965 000 20207FIL EMIQ4035322 130 60159BC846B X1

47、0019965 000 19764XTAL 27MHZQ4054822 130 40981BC337-25 X3019965 000 18282CRYSTAL 7.3728 MHZ X3029965 000 18283CRYSTAL 32.768KHZ X4019965 000 19766XTAL 16.93MHZ - DIODES - D14822 130 318781N4003G D10014822 130 306211N4148 D10024822 130 306211N4148 D10034822 130 306211N4148 D10044822 130 31554BZX79-B4V3 D24822 130 318781N4003G D34822 130 306211N4148 D3014822 130 306211N4148 D3024822 130 306211N4148 Note: Only these parts mentioned in the list are D3034822 13