Philips-MAS-100-Service-Manual(1) 电路图 维修手册.pdf

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1、CLASS 1 LASER PRODUCT COMPACT DIGITAL AUDIO Service Manual Service ServiceService ServiceService MAS-100/37 TABLE OF CONTENTS Page Location of pc boards fr Reparaturen sind Original-Ersatzteile zu verwenden. I Le norme di sicurezza esigono che lapparecchio venga rimesso nelle condizioni originali e

2、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. CLASS 1 LAS

3、ER PRODUCT 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 laser

4、isteilylle. l katso steeseen! DK Advarse ! Usynlig laserstrling ved bning nr sikkerhedsafbrydere er ude af funktion. Undg udsaettelse for strling. MINI HIFI STEREO SYSTEM CD /CD-R/ CD-RW COMPATIBLE DECK 1DECK 2 FULL AUTO STOP PLAYBACKRECORD 3 CD DIRECT PLAY PLAYBACK CONTINUOUS PLAY 1 2 4 3 5 6 7 8 9

5、 0! # $ % & * STANDBY-ON OPENCLOSE CD DISC CHANGE DIGITAL SOUND CONTROL DSC DYNAMIC BASS BOOST TUNERTAPE CD 1CD 2CD 3 SEARCH / TUNING SEARCH / TUNING DEMO STOP FMAMTAPE 12 PREVPRESET NEXTPRESET MASTER VOLUME CLOCK TIMERPROGRAMDIM 3CD CHANGER 2 4 ( 3 % 7 8 % 2 ) # Controls Controls on the system and

6、remote control 1STANDBY ON y to switch the system on or to standby mode. 2T APE (TAPE 1/2) to select tape mode. 3TUNER (FMAM) to select waveband : FM or AM. 4CD 1 / CD 2 / CD 3 (CD 1/2/3) to select disc tray 1, 2 or 3. 5CD OPEN/CLOSE to open or close the disc tray. 6DISC CHANGE to change disc(s). 7D

7、IGITAL SOUND CONTROL (DSC) to select the desired sound effect : JAZZ, ROCK, TECHNO or OPTIMAL. 8DYNAMIC BASS BOOST (DBB) to select the desired bass boost level. 9PROGRAM for CD .to program disc tracks. for Tuner .to program preset radio stations. for Clock .to select 12- or 24-hour clock mode. for T

8、imer .to select CD program mode as the wake up source. 0T ape deck 1 operation .to start recording. .to start playback. / .to rewind or fast forward. 70 .to stop playback/recording or to open the tape door. .to interrupt playback or recording. !T ape deck 2 operation .to start playback. / . to rewin

9、d or fast forward. 70 .to stop playback or to open the tape door. .to interrupt playback. CLOCKTIMER to view the clock, set the clock or set the timer. #DIM to select different brightness for the display screen : DIM 1, DIM 2, DIM 3 or DIM OFF. $n to connect headphones. %MASTER VOLUME 3 4 (VOL +/-)

10、to increase or decrease the volume. Mode Selection PLAYPAUSE for CD .to start or interrupt playback. for Plug & Play(on the system only) to initiate and start plug & play mode . SEARCH/TUNING for CD . to search backward/forward. for Tuner . to tune to a lower or higher radio frequency. for Clock .(o

11、n the system only) to set the hour. STOPCLEAR / DEMO STOP for CD .to stop playback or to clear a program. for Tuner .(on the system only) to stop programming or to erase a selected preset. for Demo .(on the system only) to activate/ deactivate the demonstration. for Clock .(on the system only) to ex

12、it clock setting or cancel timer. for Plug & Play(on the system only) to exit plug & play mode. PREV / NEXT (PRESET 4 / 3 ) for CD .to skip to the beginning of the current, previous, or next track. for Tuner .to select a preset radio station. for Clock .(on the system only) to set the minute. &Displ

13、ay screen to view the current status of the system. *Disc tray (REPEAT to playback track(s)/disc(s)/program repeatedly. )MUTE to interrupt or resume sound reproduction. SHUFFLE to playback all available discs and their tracks/ program in random order. SLEEP to activate/deactivate or set the sleep ti

14、mer. B to switch the system to standby mode. CONNECTION AND CONTROLS 2-12-1 Preparations R+?L speaker (right) speaker (left) FM wire antenna AM loop antenna A BC +? AC power cord Rear connections The type plate is located at the rear of the system. APower Before connecting the AC power cord to the w

15、all 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. BAntennas Connection Connect the supplied AM loop antenna and FM antenna to the respective terminals. Ad

16、just the position of the antenna for optimal reception. AM Antenna Fix the claw to the slot Position the antenna as far as possible from a TV, VCR or other radiation source English Preparations FM Antenna 1 2 For better FM stereo reception, connect an outdoor FM antenna to the FM AERIAL (FM ANTENNA)

17、 terminal. CSpeakers Connection Front Speakers Connect the speaker wires to the SPEAKERS terminals, right speaker to R and left speaker to L, colored (marked) wire to + and black (unmarked) wire to -. 1 2 Fully insert the stripped portion of the speaker wire into the terminal as shown. Notes: For op

18、timal 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. Inserting batteries into the remo

19、te control Insert two batteries type R03 or AAA (not supplied) 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 will not be used for a long time. Do not use old and new or differen

20、t types of batteries in combination. Batteries contain chemical substances , so they should be disposed off properly. Notes for remote control: First select the source you wish to control by pressing one of the source select keys on the remote control (for example CD 1/2/3, TUNER). Then select the d

21、esired function (for example, , ). For more information on operation instruction please visit Philips? Audio internet site :? ? 2-2 2-2 2-3 DISMANTLING INSTRUCTIONS 1) Loosen the 4 screws, slide Cover top (pos 30) towards the rear and remove it upwards. 2) Loosen 3 screws slide the Panel right (pos

22、26) towards the rear and remove it outwards. Do likewise for the Panel left (pos 27). 3) Push the gear slowly towards the front as shown in figure Dismantling the 3CDC Module 3 until the CDC tray starts to move out of the Front Cabinet (pos 8). The CDC tray is now disengage and can be pulled out com

23、pletely. 4) Remove the Cover Tray (pos 29) as shown in figure 2. 5) Loosen 4 screws A to remove the CDC Module (pos 28) as shown in figure 1. A A A Turn the Gear towards the Front? till the CDC Tray starts to open Figure 1 C1 Press Inwards Pull Rear? Panel out 1 2 Figure 3 Dismantling of the Panel R

24、ear 1) Loosen 6 screws C on the Panel rear (pos 24). 2) Press the 2 catches C1 inwards and dismantle the Panel rear by pulling it towards the rear. Figure 2 2-3 2-42-4 Service pos A Service pos B Note: After re-assembly, it is very important to ensure the wires from the Tape mechanism are routed pro

25、perly to ensure that they do not touch/obstruct all moving parts. Dismantling of the Front Panel and Bottom Panel assembly Figure 4 Figure 5 Figure 6 1) Remove 9 screws D mounting the Front board. 2) Remove 1 screw E supporting the bracket, Combi board (pos 33) to the Panel front (pos 8). 3) Remove

26、1 screw F (see figure 3) mounting the Mains transformer body to the Panel Bottom (pos 25). Note: Care must be taken not to damage the board because of the heavy Mains transformer. 4) The Front and Combi boards together with the Mains transformer can now be remove. 5) Loosen 6 screws G and eject both

27、 cassette doors to remove the Tape mechanism (pos 12). Note: During re-assembly of the Tape mechanism and Front board care must be taken to ensure the wires are properly dressed and not touch- ing any moving parts on the Tape mechanism. 3-13-1 Various? other Tests? ? Activated with ? ACTIONTEST ? QE

28、EPROM FORMATLoad default data. Display shows NEW ? for 1 second.? Caution! All presets from the customer will be lost! Disconnect? mains cord LEAVE SERVICE? TESTPROGRAM R ? ? ? ? 9 to Exit EEPROM TESTA test pattern will be sent to the EEPROM.? PASS is displayed if the uProcessor read? back the test

29、pattern correctly, otherwise? FAIL will be displayed. Volume Knob? or? Jog Shuttle knob ROTARY? ENCODER TEST Display shows value for 2 seconds.? Values increases or decreases in steps of 1? until 0 (Min.) or 40 (Max.) is reached. DBBDEMODEMO will toggle on or off.? The message: DEMO ON or DEMO OFF?

30、will scroll across the display to show the? new status of the set. STANDBY-ON? Button pressed? Y N Set is in Service PLAY Mode. The Service Play Mode is intended to? detect and identify the failures in the CD Mode.? ? In this mode the electronics will still function? even when an error is detected s

31、o that? repair activities can be carried out. SERVICE PLAY MODE In case of failures, error? codes according to table 2 ? will be displayed. O? Button pressed? Y Y Y N N N O? Button pressed? 9? Button pressed? Display shows? 8M? Output at (Front Board) ? pin 80 of uP = 1,953.125Hz Display shows? 32K?

32、 Output at (Front Board) ? pin 80 of uP = 2048Hz? ? QUARTZ TEST Note:? During the 3CDC tray may jerks open? ?& close or the carousel may rotates? ?slightly. This is due to sharing of control? ?lines during the Service test program. TUNER? Button pressed? Disconnect? Mains cord ? Y N N Y Service freq

33、uencies are? copied to the RAM (see Table1)? Tuner works normally? except:? ? PROGRAM button ? ? Service Mode left TUNER TEST Display Tuner Version? ccc TUNER? Button pressed? ? N Y PRESET? ? 1? 2? 3? 4? 5? 6? 7? 8? 9? 10? 11 Europe? EUR? 87.5MHz? 108MHz? 531kHz? 1602kHz? 558kHz? 1494kHz? 87.5MHz? 8

34、7.5MHz? 87.5MHz? 87.5MHz? 98MHz? ? East Eur.? EAS? 87.5MHz? 108MHz? 531kHz? 1602kHz? 558kHz? 1494kHz? 87.5MHz? 87.5MHz? 87.5MHz? 87.5MHz? 98MHz USA? USA? 87.5MHz? 108MHz? 530kHz? 1700kHz? 560kHz? 1500kHz? 98MHz? 87.5MHz? 87.5MHz? 87.5MHz? 87.5MHz Oversea? OSE? 87.5MHz? 108MHz? 530/531kHz*? 1700/1602

35、kHz*? 560/558kHz*? 1500/1494kHz*? 98/87.5MHz*? 87.5MHz? 87.5MHz? 87.5MHz? 87.5/98MHz* Table 1 East Eur. Extended-band? EAS? 65.81MHz? 108MHz? 74MHz? 87.5MHz? 531kHz? 1602kHz? 558kHz? 1494kHz? 98MHz? 70.01MHz? 65.81MHz Note:?*? Depending on the selected grid frequency (9 or 10kHz)? ?By holding the TU

36、NER and R buttons depressed while switching on the Mains supply, one? ?o f the undermentioned features will be activated:? ?-? the tuning grid frequency is toggled between 9kHz and 10kHz for the Oversea (/21) version.? ?-? the extended FM1 (65.81MHz - 74MHz) is toggled on and off for East Eur. (/34)

37、 version. Y N Y N Y N DIM? Button pressed? DIM? Button pressed? 9 Button pressed? DISPLAY TEST Display shows Fig. 2? and selected LEDs on? (see note 2)? ? Display shows Fig. 1? and selected LEDs on? (see note 1)? ?Figure 1 Figure 2 note 2 :?OPTIMAL is on while JAZZ & TECHNO are off, other LEDs statu

38、s? ?a re not important (applicable only for sets with LEDs) note 1 :?JAZZ & TECHNO are on while OPTIMAL is off, other LEDs status? ?a re not important (applicable only for sets with LEDs) Table 2 Error code? ? E1000? ? ? ? E1001? ? ? E1002? ? ? ? E1003? ? ? ? E1005? ? ? ? ? E1006? ? ? E1007? ? ? E10

39、08? ? ? ? E1020? ? ? E1070? ? ? E1071? ? ? E1079 Error Description? ? Focus Error? Triggered when the focus could not be found within a certain time when starting up the CD? or when the focus is lost for a certain time during play.? ? Radial Error? Triggered when the radial servo is off-track for a

40、certain time during play.? ? Sledge In Error? The sledge did not reach its inner position (inner-switch is still close) before approximately? 6 Sec. have passed by. Inner-switch or sledge motor problem.? ? Sledge Out Error? The sledge did not come out of its inner position (inner-switch is still ope

41、n) before approximately? 250 mSec. have passed by. Inner-switch or sledge motor problem.? ? Jump-offtrack error? Triggered in normal play when the jump destination could not be found within a certain time.? When this error occurred, software will try to recover by initiating the jump command again.?

42、 If it is recoverable, the disc will continue to play.? ? Subcode Error? Triggered when a new subcode was missing for a certain time during play.? ? PLL Error? The Phase Lock Loop could not lock within a certain time.? ? Turntable Motor Error? Generated when the CD could not reached 75% of speed dur

43、ing startup within a certain time.? Discmotor problem.? ? Focus Search Error? The focus point has not been found within a certain time.? ? This happens when the carousel switch is defective and closed all the time, or when the? carousel is blocked when it is located exactly at a disc position.? ? Th

44、is happens when the carousel switch is defective and does not closed electrically, or when? the carousel is blocked in between two disc positions. The time-out is approximately 5 Sec.? ? The drawer could not open or enter the inside position and is opening again. This happen when? the drawer is bloc

45、ked and cannot go fully inside or when the drawer switch is defective and does? not close. To start service test program? hold P & TAPE? depressed while? plugging in the mains cord Display shows the? ROM version *? S-Vyy? (Main menu) S refers to Service Mode.? ? V refers to Version.? ? yy refers to

46、Software version number of Processor.? (Counting up from 01 to 99)? ? ? ? SERVICE TEST PROGRAM ? ? 4-1 BLOCK DIAGRAM 4-1 5-1 SET WIRING DIAGRAM 5-1 6-1 6-1 COMBI & FRONT BOARDS TABLE OF CONTENTS FTD Display pin connection . 6-1 Tape Adjustment & Mesurement . 6-2 Tuner Adjustment Table . 6-2 Combi part Component Layout . 6-3 Combi part SMD Layout . 6-4 Tuner Circuit . 6-5 Supply & Power Amplifier Circuit. 6-6 Tape Circuit. 6-7 Front Circuit . 6-8 Front part SMD Layout . 6-9 Front part Component Layout . 6-