Philips-MCM-240-Service-Manual(1) 电路图 维修手册.pdf

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1、GB CLASS 1 LASER PRODUCT COMPACT DIGITAL AUDIO Service ServiceService ServiceService MCM240/15/21/21M/22/25/37 TABLE OF CONTENTS Page Location of PCBs fr Reparaturen sind Original-Ersatzteile zu verwenden. Sicherheitsbauteile sind durch das Symbol ! markiert. I Le norme di sicurezza esigono che lapp

2、arecchio venga rimesso nelle condizioni originali e che siano utilizzati i pezzi di ricambio identici a quelli specificati. Componenty di sicurezza sono marcati con ! GB After servicing and before returning set to customer perform a leakage current measurement test from all exposed metal parts to ea

3、rth ground to assure no shock hazard exist. The leakage current must not exceed 0.5mA. 1-7 INFORMATION ABOUT LEAD-FREE SOLDERING Philips CE is producing lead-free sets from 1.1.2005 onwards. IDENTIFICATION: Regardless of special logo (not always indicated) one must treat all sets from 1 Jan 2005 onw

4、ards, according next rules: Example S/N: Bottom line of typeplate gives a 14-digit S/N. Digit 5 , , ). Replacing battery (lithium CR2025) into the remote control 1 Pull out the knob A slightly to the left. 2 Pull out the battery compartment B . 3 Replace a new battery and fully insert the battery co

5、mpartment back to the original position. CAUTION! Batteries contain chemical substances, so they should be disposed of properly. Preparations 1-9 PREPARATIONS AND CONTROLS ) 1 3 4 6 7 8 9 5 ! 0 2 ( 1 ! 7 0 8 * % 3 # $ .starts or interrupts playback. PRESET ( J / K) for TUNER .selects a preset radio

6、station. for CD/MP3 -CD skips to the beginning of a current/previous/subsequent track 8DBB (Dynamic Bass Boost) enhances the bass. 9BAND selects a waveband. 0PROGRAM for CD/MP3-CD programmes tracks and reviews the programme. for TUNER .programmes tuner stations. !SOURCE selects the respective sound

7、source for CD/ TUNER/ AUX. 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, TUNER). Then select the desired function (for example 2 ;,J , K). DISPLAY/CLOCK sets the clock function. displays disc inf

8、ormation during playback. #TIMER activates/ deactivates or sets the timer function. $SLEEP activates/deactivates or selects the sleeper time. %DSC (Digital Sound Control) selects sound characteristics: ROCK/ JAZZ/ POP/ CLASSIC. RDS for tuner, displays RDS information. , , ). Reduce the distance betw

9、een the remote control and the system. Insert the battery with its polarities (+/ signs) aligned as indicated. Replace the battery. Point the remote control directly toward IR sensor on the front of the system. Set the clock correctly. Press TIMER to switch on the timer. Power has been interrupted o

10、r the power cord has been disconnected. Reset the clock/timer. ProblemSolution 1-10 DISMANTLING INSTRUCTIONS Dismantling of the Rear Portion 1) Remove 11 screws A and B as indicated to remove the Rear Cabinet. 2) Remove 2 screws C as indicated to loosen the Speaker Wire Holder. 3) Remove 2 screws D

11、as indicated to loosen the Speaker Board . 4) Remove 2 screws E as indicated to loosen the AUX IN jack. DISMANTLING INSTRUCTIONS 2-12-1 Figure 1 Figure 2 1) Loosen 3 screws G each to remove the CD Mechanism Holder Bracket. 2) Loosen 7 screws F1 and F2 as indicated to remove the Main Board. 3) Remove

12、 3 screws H as indicated to loosen the Gear Motor Module. 4) Loosen 4 screws I (see Figure 3) to remove the Key_C Board. 5) Loosen 2 screws J (see Figure 3) to remove the Display Board. Figure 6 Figure 4 Figure 3 Dismantling of the Front Boards and CD Door 6) Loosen 4 screws K (see Figure 3) to remo

13、ve the Key_B Board. 7) Loosen 8 screws L (see Figure 3) to remove the Key_A Board. 8) Loosen 8 screws M (see Figure 3) to remove the Door Eject Lever Bracket Right/Left, then remove CD door. Repair Hints & Service Positions Note: The flex cables are very fragile, care should be taken not to damage t

14、hem during repair. After repair, be very sure that the flex cables are inserted properly into the flex sockets before encasing, otherwise faults may occurs. Service position A Service position C Service position B Figure 5 3-1 3-1 To start service test program hold VOL DN button depressed then STOP

15、button depressed in standby mode Display shows the ROM version VX-XX OTP MCM240 XX-XX-2005 V refers to Version X-XX refers to Software version number of the uProcessor eg. V1-7E XX-XX-200X refers to Date, eg. 25-5-2005 SERVICE TEST PROGRAM 4-1 4-1 SET BLOCK DIAGRAM 5-15-1 SET WIRING DIAGRAM The boar

16、d is not intented to be repaired on component level. Circuit Diagram and Printed Circuit Board drawings are published for orientation only. In case of defects please replace the entire board. The board can be ordered with codenumber 9940 000 02866 for /21/21M/37. 9940 000 02867 for /22/25. 6-1 6-1 P

17、rinted Circuit Board - Side A POWER BOARD Printed Circuit Board - Side A 6-26-2 CIRCUIT DIAGRAM The board is not intented to be repaired on component level. Circuit Diagram and Printed Circuit Board drawings are published for orientation only. In case of defects please replace the entire board. The

18、board can be ordered with codenumber 9940 000 02868 for /21/21M/37. 9940 000 02869 for /22/25. 7-1 7-1 KEY BOARD LAYOUT DIAGRAM - OPEN/CLOSE BOARD TOP SIDE LAYOUT DIAGRAM - OPEN/CLOSE BOARD BOTTOM SIDE LAYOUT DIAGRAM - VOLUME BOARD TOP SIDE LAYOUT DIAGRAM - VOLUME BOARD BOTTOM SIDE LAYOUT DIAGRAM -

19、KEY BOARD TOP SIDE LAYOUT DIAGRAM - KEY BOARD BOTTOM SIDE 7-27-2 7-37-3 CIRCUIT DIAGRAM 8-1 8-1 MAIN BOARD TABLE OF CONTENTS Internal IC Diagram .8-1 to 8-3 Main Board Layout Top View. 8-4 Main Board Layout Bottom View . 8-5 Circuit Diagram - MCU Part. 8-6 Circuit Diagram - CD Part. 8-7 Circuit Diag

20、ram - MP3 Part . 8-8 Circuit Diagram - Amp Part. 8-9 Circuit Diagram - Tuner Part. 8-10 Layout Diagrams . 8-11 BLOCK DIAGRAM - 2-CHANNEL AUDIO AMPLIFIER TFA9842J 60 k 60 k STANDBY MUTE ON SHORT-CIRCUIT AND TEMPERATURE PROTECTION VREF 0.5VCC VCC VCC 9 4 IN1+ IN2+ OUT1+ OUT2 SVR CIV MODE 1 3 7 8 2 6 5

21、 GND TFA9842J BLOCK DIAGRAM - AM/FM IF + FM STEREO DETECTOR TA2099N TFA9842J IN2+ OUT2 CIV IN1+ GND SVR MODE OUT1+ VCC 2 1 3 4 5 6 7 8 9 PIN CONFIGURATION - 2-CHANNEL AUDIO AMPLIFIER TFA9842J DVSS3 RO DVDD3 DV LO DVSS3 ZDET VSS5 BUS0 BUS1 BUS2 BUS3 BUC /CCE /RST VDD5 TEZI TEI SBAD FEI RFRP RFZI RFCT

22、 VDD3 RFI SLCO VSS3 VCOF PVREF LPFO LPFN TMAX 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 48 32 33 47 46 45 44 43 4241403938373635 34 1 16 2 3 4 5 6 7891011121314 15 31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 Micro- controller interface Audio out circuit Digital output 16 k RAM Address circuit

23、 LPF Sub code decoder CLV servo ROM RAM Digital equalizer automatic adjustment circuit Servo control PWM A/D D/A Data slicer VCO PLL TMAX Clock generator 1-bit DAC Synchronous guarantee EFM decoder BLOCK DIAGRAM - CD Player Processor TC94A14FA BLOCK DIAGRAM - SYSTEM ELECTRONIC VOLUME TC9422N 8-28-2

24、BLOCK DIAGRAM - MICROCONTROLLER UNIT TMP87PP23F 8-3 8-3 LAYOUT DIAGRAM - MAIN BOARD TOP SIDE 8-48-4 8-58-5 LAYOUT DIAGRAM - MAIN BOARD BOTTOM SIDE CIRCUIT DIAGRAM - MAIN BOARD MCU PART 8-68-6 CIRCUIT DIAGRAM - MAIN BOARD CD PART 8-7 8-7 CIRCUIT DIAGRAM - MAIN BOARD MP3 PART 8-88-8 CIRCUIT DIAGRAM -

25、MAIN BOARD AMP PART 8-98-9 CIRCUIT DIAGRAM - MAIN BOARD TUNER PART 8-108-10 LAYOUT DIAGRAM - HEADPHONE BOARD TOP SIDE LAYOUT DIAGRAM - HEADPHONE BOARD BOTTOM SIDE LAYOUT DIAGRAM - MOTOR BOARDLAYOUT DIAGRAM - SWITCH BOARD LAYOUT DIAGRAM - ANTENNA BOARD LAYOUT DIAGRAM - SPEAKER BOARD TOP SIDE LAYOUT D

26、IAGRAM - LED BOARD TOP SIDE LAYOUT DIAGRAM - LED BOARD BOTTOM SIDE LAYOUT DIAGRAM - SPEAKER BOARD BOTTOM SIDE 8-118-11 9-1 9-1 47 5 5 12 12 19 19 28 28 43 48 68 51 19 59 61 63 63 64 64 68 68 68 68 43 47 43 43 38 26 43 30 41 HARDEN SCREW TT/PH 3x42 28 001 002 003 005 006 007 008 009 011 012 013 014 0

27、15 019 017 022 023 024 027 029 031 024 027 027 QTYDESCRIPTIONITEM 6SELF-TAPPING SCREW TA/KH 1.4x3.5 mm5 8SELF-TAPPING SCREW TA/KH 2.6x8mm12 17HARDEN SCREW BTTB 2x8 MC19 15HARDEN SCREW BTTB 2.6x8mm MC28 2SELF-TAPPING SCREW TB/KH 3x8 HD5mm 38 1MACHINE SCREW MS/BH 3x4 mm41 14HARDEN SCREW BTTB 3x12 AB43

28、 2SELF-TAPPING SCREW TA/WH 3x12mm48 1SCREW TA/BWH 3x10mm (HD:12mm)51 2NUT ID:3 OD:5.5 T:2.3mm59 2MACHINE SCREW MS/KH 3x8mm HD 5mm61 4SELF-TAPPING SCREW TA/WH 3x10mm(H D:10mm)63 9HARDEN SCREW BTTB 3x8mm AB68 MCM240 SCREW LIST 018 020 032 028 004 026 025 021 016 SET EXPLODED VIEW 9-29-2 MECHANICAL & A

29、CCESSORIES PARTS LIST 001994000002809CD DOOR LENS W/HOT FOIL994000000275RCA PIN JACK 002994000002805CD DOOR COVER -LEFT!994000000317AC CORD CUL 6FT /37 003994000002806CD DOOR COVER -RIGHT!994000000512AC CORD BS PLUG 2M /25 004994000002804CD DOOR CARRIER!994000002819AC CORD 2.4M /21/21M/22 0059940000

30、02811CONTL PANEL LENS W/HOT FOIL!996500041861AC CORD 1.8M /15 006994000002803FRONT CABINET /15/21/21M/30994000002824REMOTE CONTROL UNIT 006994000002863FRONT CABINET /22/25994000002825SPEAKER BOX L+R 006994000002831FRONT CABINET /37 007994000000305SENSOR LENS 008994000000321POWER /CD OPEN BUTTON 0099

31、94000000322VOL +/- BUTTON 011994000002822CD MECHANISM DA23Z1 012994000002816SHOCK ABSORBER (BLACK) 013994000002817SHOCK ABSORBER (GRAY) 014994000000324FUNCTION BUTTON D./B./S./P./S. 015994000000323FUNCTION BUTTON STOP/PLAY 016994000002837LCD DISPLAY 017994000002814DRIVE BELT 018994000002808DRIVER PU

32、LLEY GEARNote: Only these parts mentioned in the list are 019994000002807DRIVING GEAR normal service parts. 020994000002832MOTOR BRACKET 021994000002818DOOR MOTOR PULLY 022994000002815DC MOTOR 5V 023!994000000597TRANSFORMER 120/230V /15/21/21M 023!994000000278TRANSFORMER 230V /22/25 023!994000000316

33、TRANSFORMER EI-57 120V /37 024994000000284RUBBER FOOT 025994000000281RCA JACK BD 2P (RD/WH) 026994000000592REAR CABINET /15/21/21M 026994000000291REAR CABINET /22/25 026994000000319REAR CABINET /37 027994000000283SPEAKER HOLDER 028994000002813RUBBER FOOT 24x11x1.6mm 029994000002812UNIT STAND 0319940

34、00002823AM/FM ANT 75R ASSY PACKING 032994000000307SPEAKER WIRE HOLDER ELECTRICAL PARTSLIST C317994000002856E.CAP 4700UF 16V +-20%Q208996500020152TRANSISTORS MMBT3904LT1 C319994000001346E.CAP 4700UF 25V +-20%Q209996500020152TRANSISTORS MMBT3904LT1 CF201994000000245BAND PASS FILTERQ210996500020152TRAN

35、SISTORS MMBT3904LT1 CF204994000002857CERAMIC FILTER SFU450BQ211996500020152TRANSISTORS MMBT3904LT1 FS300!994000000588FUSE T800mA/250V /21/21M/37Q212996500020152TRANSISTORS MMBT3904LT1 FS301!994000000585CERAMIC FUSE 2A/250VQ213996500020152TRANSISTORS MMBT3904LT1 FS302!994000000586GLASS FUSE 3.15A/250

36、VQ214994000002835TRANSISTORS MMBT3906LT1 FS303!994000002865SUBMINI. FUSE 200mA/250V /22 Q215996500020152TRANSISTORS MMBT3904LT1 IC1932218179668IC MM1469PHQ301994000001193TRANSISTORS KSB772YS IC101994000002844IC TA2157FNQ302996500020152TRANSISTORS MMBT3904LT1 IC102994000002849IC TC94A14FAGQ4029965000

37、20152TRANSISTORS MMBT3904LT1 IC103994000002853IC XC61FC3012MRQ403996500020152TRANSISTORS MMBT3904LT1 IC105994000001197IC KA7805Q404996500020152MMBT3904LT1/21/21M/37 IC201996500018261IC TC9257FQ404994000002835MMBT3906LT1 /22/25 IC202996500018307IC TA2099NQ405996500020152TRANSISTORS MMBT3904LT1 IC2049

38、94000002848IC TC9422AFGQ406996500020152TRANSISTORS MMBT3904LT1 IC301994000002841IC KA7810Q602996500020152TRANSISTORS MMBT3904LT1 IC301996500038611IC KA7810E /15Q900482213063664TRANSISTORS 2W 8050C IC302994000000253IC KA7808R301!994000002854FUSE RES. 2.2R 1W +-5% IC303994000000277IC LM78L05R462!99400

39、0002855FUSE RES. 27R 1W +-5% IC401994000002852IC TMP87PP23F (OTP)REM401 994000001239OPTIC SENSER (OPTO.) IC402482220930619IC TA7291SRF201994000000256TUNER (MITSUMI) FE450-G01 IC403994000002853IC XC61FC3012MRRF201994000004442TUNER FE450-G11 /15 IC501994000002851IC TC94A34FG-006RL301!994000000264RELAY

40、 9V 10A /22/25 IC502994000002847IC TC9404FNSW401994000000274TACT SWITCH IC503994000002839IC H1117SJ-3.3V SW402994000000274TACT SWITCH IC504994000002838IC BA15BC0FPSW403994000000274TACT SWITCH IC601994000000249IC BA4558FSW404994000000274TACT SWITCH IC602994000000367IC TFA9842JSW405994000000274TACT SW

41、ITCH JK601994000000257PHONE JACK 7PINSW406994000000274TACT SWITCH JK602994000000315SPK JACK (R/B/R/B)SW407994000000274TACT SWITCH LED401994000001233LED LAMP (RED)SW408994000000274TACT SWITCH LED402994000000267LED LAMP 5mm (BLUE)SW409994000000274TACT SWITCH LED403994000000266LED LAMP 3mm (BLUE)SW4109

42、94000000274TACT SWITCH Q102994000002839IC H1117SJ-3.3V SW411994000000274TACT SWITCH Q201994000002833TRANSISTORS 9018GSW412994000000274TACT SWITCH Q202996500020152TRANSISTORS MMBT3904LT1SW413994000000274TACT SWITCH Q203996500020152TRANSISTORS MMBT3904LT1SW414994000000274TACT SWITCH Q206996500020152TR

43、ANSISTORS MMBT3904LT1SW601994000000273MICRO SWITCH 1120B 9-3 9-3 ELECTRICAL PARTS LIST T201994000002858I.F.T 7mm #7M1A2186F (BLK) T202994000002859I.F.T 7mm #7M4A1975R (ORANGE) T203994000002861I.F.T 7mm A049 (YELLOW) T302!994000000262TRANSFORMER AC230V /22/25 VD201994000002836VARICAP DIODE 1SV-149 VD

44、202994000002836VARICAP DIODE 1SV-149 X1019940 000 04551XTAL 16,9344MHZ +/-20PPM X2019940 000 04535XTAL 7,2MHZ +/-30PPM X4029965 000 38613XTAL 7.99968MHZ X5019940 000 04551XTAL 16,9344MHZ +/-20PPM 994000002866POWER BOARD ASSY /15/21/21M/37 994000002867POWER BOARD ASSY /22/25 994000002868KEY BOARD ASS

45、Y /15/21/21M/30/37 994000002869KEY BOARD ASSY /22/25 Note: Only these parts mentioned in the list are normal service parts. 10-1 REVISION LIST 1.0 Manual 3141 785 30330 Initial Service Manual released. 1.1 Manual 3141 785 30331 In this version, the type version /15 are added. P9-2 : Mechanical Partslist updated P9-3 : Electrical Partslist updated