Philips-MCM-906-Service-Manual(1) 电路图 维修手册.pdf

《Philips-MCM-906-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-MCM-906-Service-Manual(1) 电路图 维修手册.pdf（41页珍藏版）》请在收音机爱好者资料库上搜索。

1、DVD Micro System MCM906 TABLE OF CONTENTS 3141 785 33070 DB 0831 2008 Location of PC Boards . 1-1 Specification. 1-2 Measurement Setup . 1-3 Service Aids . 1-4 Instruction On CD Playability .1-5 .1-6 Software Version Check & Upgrade. 2-1 Malfuction Check Chart . 2-2 Decoder Board .11 Disassembly Dia

2、gram.3-1 Block Diagram . 4-1 Wiring Diagram. 4-2 VFD Display Board .5 Circuit diagram . 5-1 Layout diagram . 5-2 Prepositive Board .6 Circuit diagram . 6-1 Layout diagram . 6-2 AMP Board .7 Headphone,Button&AUX Board Diagram .8 Circuit diagram . 7-1 Layout diagram . 7-2 TUNER Board .10 Circuit diagr

3、am . 10-1 Layout diagram . 10-2 Circuit diagram .11-1 to 11-4 Layout diagram .11-5 to 11-6 LAMP Board . 9 Explode View.12-1 Service Partlist .13-1 to 13-2 Factory Partlist .13-3 to 13-11 RadioFans.CN 收音机爱 好者资料库 Location of PC Boards 1-1 VERSION VARIATIONS : Type /Versions: Features Board in used: MC

4、M906 Service policy BUTTON BOARD AMP BOARD LAMP BOARD HEADPHONE BOARD PREPOSITIVE BOARD DISPLAY BOARD AXU BOARD ECO-POWER BOARD M-boy BOARD DECODER BOARD * TIPS : C - Component Lever Repair. M - Module Lever Repair - Used /55 /55 /58 /58 /61 /61 /79 /79 /93 /93 /94 /94 /96 /96 /98 /98 /37 /37 /12 /1

5、2 /05 /05 Feature diffrence RDS TDS VOLTAGE SELECTOR ECO STANDBY - DARK C C C M M M M M M M Type /Versions: MCM906 TUNER BOARD PREPOSITIVE BOARDDISPLAY BOARD HEADPHONE BOARD DECODER BOARD AUX BOARD AMP BOARD SCART BOARD (12/05version) ECO POWER BOARD (12/05version) VOLTAGE SELECTOR BOARD (98version)

6、 LAMP BOARD BUTTON BOARD RadioFans.CN 收音机爱 好者资料库 AMPLIFIER Rated Output Power .75W x 2 RMS Signal-to-noise ratio. 65 dBA Frequency response . 40Hz + 3dB+/-3 20KHz Aux Input.0.5V RMS 47kohm DISC LaserType. Semiconductor Disc Diameter. 12cm/8cm Support Disc .MP3, CD-DA,CD-R,CD-RW Audio DAC .24Bits / 4

7、4.1kHz Total Harmonic Distortion. 33dB Image Rejection .25dB Total Harmonic Distortion. 65dBA SPEAKERS Speaker Impedance . 4ohm Speaker Driver, base.5 1/4 Speaker Driver, tweeter .25 Frequency Response.40Hz + 3dB+/-3 20KHz GENERAL INFORMATION Total Output power . 1 5 0 W RMS AC Power.220-230V / 50Hz

8、 Operation Power Consumption . 85W Standby Power Consumption.4W Eco Standby Power Consumption .1W Headphone Output . 2X15mW 32ohm USB Direct. Version 1.1 Dimensions Main unit (w x h x d).275x126x250mm Speaker box (w x h x d).186x300 x222.5mm Weight With Packing.16.5 KG Main Unit .5.0KG Speaker box .

9、4.5x2KG Specifications and external appearance are subject to change without notice. 1-2 Specification RadioFans.CN 收音机爱 好者资料库 1-3 LF Generator e.g. PM5110 Recorder Use Universal Test Cassette CrO2SBC419 4822 397 30069 LEVEL METER e.g. Sennheiser UPM550 with FF-filter S/N and distortion mete e.g. So

10、und Technology ST170 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 test disc 3) SBC429 4822 397 30184 Bandpass 250Hz-15kHz e.g. 7122 707 48

11、001 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 cage. Use a bandpass filter (or at least a high pass filter with 250Hz)

12、 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 filter to eliminate hum (50Hz, 100Hz) and disturbance from the pilotto

13、ne (19kHz, 38kHz). Ri=50? Tuner FM MEASUREMENT SETUP 1-4 SERVICE AIDS 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 potent

14、ial as the mass of the set via a wrist wrap with resistance. Keep components and tools also at this potential. ESD CLASS 1 LASER PRODUCT GB 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

15、 are marked by the symbol !. Lead free Set remains closed! N Y Play a CD for at least 10 minutes Y playability ok ? N playability ok ? add Info for customer SET OK check playability N Y playability ok ? check playability check playability return set Customer complaint CD related problem fast lens cl

16、eaning 1 2 3 For flap loaders (= access to CD drive possible) cleaning method 4 is recommended INSTRUCTIONS ON CD PLAYABILITY 1-? Exchange CDM 1- 4 For description - see following pages 1 PLAYABILITY CHECK For sets which are compatible with CD-RW discs use CD-RW Printed Audio Disc.7104 099 96611 TR

17、3 (Fingerprint) TR 8 (600 Black dot) maximum at 01:00 playback of these two tracks without audible disturbance playing time for: Fingerprint ?10seconds Black dot from 00:50 to 01:10 jump forward/backward (search) within a reasonable time For all other sets use CD-DA SBC 444A.4822 397 30245 TR 14 (60

18、0 Black dot) maximum at 01:15 TR 19 (Fingerprint) TR 10 (1000 wedge) playback of all these tracks without audible disturbance playing time for: 1000 wedge ?10seconds Fingerprint ?10seconds Black dot from 01:05 to 01:25 jump forward/backward (search) within a reasonable time 2 CUSTOMER INFORMATION It

19、 is proposed to add an addendum sheet to the set which informs the customer that the set has been checked carefully - but no fault was found. The problem was obviously caused by a scratched, dirty or copy-protected CD. In case problems remain, the customer is requested to contact the workshop direct

20、ly. The lens cleaning (method 3) should be mentioned in the addendum sheet. The final wording in national language as well as the printing is under responsibility of the Regional Service Organizations. 4 LIQUID LENS CLEANING Because the material of the lens is synthetic and coated with a special ant

21、i-reflectivity layer, cleaning must be done with a non-aggressive cleaning fluid. It is advised to use “Cleaning Solvent The actuator is a very precise mechanical component and may not be damaged in order to guarantee its full function. Clean the lens gently (dont press too hard) with a soft and cle

22、an cotton bud moistened with the special lens cleaner. The direction of cleaning must be in the way as indicated in the picture below. Before touching the lens it is advised to clean the surface of the lens by blowing clean air over it. This to avoid that little particles make scratches on the lens.

23、 INSTRUCTIONS ON CD PLAYABILITY 1-? 2-1 Software Version Check & Upgrade Upgrade software Software check Press the “display” button quartic continuously on remote control, display showing as below: 1.Downloading the software form Philips support website 2.Put in the Software CD Disc or USB,when it i

24、s loading Waiting a minute,till hear a long ding voice. Software upgrade finish. Vxx dyyyy 2-2 Malfunction follow check chart -13-1 Disassembly Diagram 1 1 1 1 2 2 1 3 2 1 1 1 1 2 A,Loosen screws as below sketch map to open the top cabinet: 1,screws:3x6BMTT(3PCS) 2,screws:3x6FMTT(2PCS) E,Loosen scre

25、ws as below sketch map to remove the Decoder Board: 1,screws:3x10PA(1PCS) 2,screws:3x6BM(2PCS) H,Loosen screws as below sketch map to remove the USB Board: 1,screws:3x6PA(1PC) I,Loosen screws as below sketch map to remove the LAMP Board: 1,screws:2.6x4BB(2PCS) F,Loosen screws as below sketch map to

26、remove the Prepositive Board: 1,screws:3x6PA(2PCS) G,Loosen screws as below sketch map to remove the Display Board: 1,screws:2.6x6BB(10PCS) B,Loosen screws as below sketch map to remove the both sides panels: 1,screws:3x6PA(6PCS) 2,screws:3x10PA(2PCS) C,Loosen screws as below sketch map to remove th

27、e DVD mechanism bracket: 1,screws:3x12BA(2PCS) 2,after loosed the screws, push the DVD mechanism bracket breadthwise to remove it D,Loosen screws as below sketch map to remove AMP board: 1,screws:3x10PA(1PC) 2,screws:3x10PA(4PCS) DVD mechanism bracket Aluminium Top Cover 3,screws:3X6PMTT(1pc) 4-14-1

28、 Block Diagram TDA8920 PT2314 9228 24C02 TUNER BLOCK IC:TEA5766 AUX2 AUX2 IN AUX1 AUX1 IN CD DECODE BLOCK MECHANISM CD VFD PT16311 REM 1 GND 2 Vcc 3 REM-SENSOR CPU5V CPU5V CPU5V CD5V AC POWER SWITCH POWER STANDBY POWER CONTROL SWITCH 7812 SELENIUM SELENIUM FILTER FILTER AMP DVD CPU5V CD5VCES2307 CD

29、ON/OFF DVD POWER SWITCH CONTROL TUNER-RIN AUX2 IN AUX1 IN D-FL D-FR CPU SDA SCL FR FL KEY CONTROL FR FL STANDBY MUTE +vs -vs +vs -vs D-FL D-FR 12AX7 FR FL TL027 FR FL +vs -vs SELENIUM FILTER FRONT AOZ1212 +12V FM+5V TUNER-LIN TUNER-RIN TUNER-LIN Prepositive Board Decoder Board AMP Board VFD Board U1

30、 IC1 IC300 U8 IC201 VFD701 U6 U12 J8 Q1 / Q2 Wiring Diagram 4-24-2 VFD Display Board -Circuit Diagram 5-15-1 STB1 DATA CLK REM RT-A RT-B +5V V-GND -28V VF1 VF2 SW1 1 SW2 2 SW3 3 SW4 4 DOUT 5 DIN 6 IC 7 CLK 8 STB 9 KEY1 10 KEY2 11 KEY3 12 KEY4 13 Vdd 14 S1/KS1 15 S2/KS2 16 S3/KS3 17 S4/KS4 18 S5/KS5

31、19 S6/KS6 20 S7/KS7 21 S8/KS8 22 S9/KS9 23 S10/KS10 24 S11/KS11 25 S12/KS12 26 S13 27 S14 28 S15 29 S16 30 S17/G12 31 S18/G11 32 Vdd 33 VEE 34 S19/G10 35 S20/G9 36 G8 37 G7 38 G6 39 G5 40 G4 41 G3 42 G2 43 G1 44 Vdd 45 LED5 46 LED4(BBE) 47 LED3(POWER) 48 LED2(FANCT) 49 LED1(7507RST) 50 Vss 51 OSC 52

32、 IC201 uPD16311 R209 47K R214 33K R21533K R21633K R21733K K4 K3 K2 K1 D201 4148 D203 4148 STB1 CLK DATA S1 S2 S3 S4 S5 S6 S7 S8 S9 KS1 KS2 -28V +5V S1 S2 C208 104 R202 4.7/0.5 REM 1 GND 2 Vcc 3 S201 REMOTE S10 S11 S12 S13 S14 S15 S16 S17 G11 G10 G1 G2 G3 G4 G5 G6 G7 G8 G9 D202 4148 S3KS3 R201 4.7/0.

33、5 C201 104 C207 47uF SW201 CH- SW203 CH+ SW204 TU+/PREV SW207 TU-/NEXT SW202 STOP SW205 MODE SW206 OPEN/CLOCS R211 10K R212 4.7K R213 10K G 1 B 2 A 3 CORD201 CORD C204 103 C203 103 RT-A RT-B R207 47 C206 47u C205 104 R206 10 SW210 DSC C202 104 SW212 PLAY S4 P-EQ S-BASS 1 2 3 4 5 6 7 8 9 10 11 CN201

34、11P VF1 1 VF1 2 S1 3 S2 4 S3 5 S4 6 S5 7 S6 8 S7 9 S8 10 S9 11 S10 12 S11 13 S12 14 S13 15 S14 16 S15 17 S16 18 S17 19 G1 20 G7 21 G8 22 G9 23 G10 24 G11 25 G3 26 G2 27 G4 28 G5 29 G6 30 VF2 31 VF2 32 VFD201 MCD190VFD G1 G2 G3 G4 G5 G6 G7 G8 G9 G10 G11 S1 S2 S3 S4 S5 S6 S7 S8 S9 S10 S11 S12 S13 S14

35、S15 S16 190-2 S17 LED 1 2 3 4 5 CN2 5P K1 K4 KS1 LED+5V R01 4.7K LED 5-25-2 VFD Display Board-Layout Diagram Prepositive Board - Circuit Diagram 6-16-1 D7-10 IN4007X4 LIN RIN OUT GND IN U1 LM7812 C2 2200u/25V1 2 3 4 5 CN3 2.5/5P 180V 0V 12V0 12V R50* 0.47/0.5W 2 2 3 3 1 1 4 4 5 5 Q1A 12AX7 7 7 8 8 6

36、 6 9 9 Q1B 12AX7 R24* 47K/0.5W R27* 47K/0.5W R23* 10K0.5W C5 223/100V C6 100uF/350V +VDD R2* 0.47/0.5W R22* 0.47/0.5W D2 4001 D34001 C3 104 +12V R58 330K/0.5W C12 104 J/450V +12V R54 8.2K0.25W R25 47K/ 0.25W R56 3.3K/0.5W C10 5P R51 47K 0.25W R60 150K/0.5W R62 560 0.5W R64 330K/0.5W C14 1uF/450V C16

37、1uF/250V Q2A 12AX7 Q2B 12AX7 R59 330K/0.5W C13 104 J/450V +12V R55 8.2K 0.25W R28 47K/ 0.25W R573.3K/0.5W C11 5P R61 150K/0.5W R63 560 0.5W R65 330K/0.5W C15 1uF/450V C17 1uF/250V R52 47K 0.25W GND GND +VCC C9 100uF/400V R31 1K R37 680 R67 47K0.25W R66 3.3K0.25W R69 47K0.25W R68 3.3K0.25W OUT-L OUT-

38、R OUT-L OUT-R LIN RIN R1 470K Q3 9014 C1 330uF/16V D1 4148 1 2 3 4 CN1 3P +12V GND 1 2 3 4 5 6 7 CN2 7P/2.0 GND VCC Q4 9014 Q6 B772 STANDBYR6 10K R7 1K COM 胆灯丝供电 STANDBY R8 0 LED1LED2 R3 680 LED- 1 2 CN8 2P 1 2 CN7 2P +12V LED Prepositive Board-Layout Diagram 6-26-2 7-17-1 AMP Board -Circuit Diagram

39、 SL-OUT 1 2 3 4 CN300 4p/2.5 AGND 1 2 3 4 5 6 7 CN108 7P 16V- 16V+ + AC AC - BD102 406 F101 F2AL250V C1501 3300u/25v C1502 104 DGND BD100 4001x4 R119 33K R100 39 C1517 220u C1515 104 Q104 8050 R120 4.7k 1 2 CN109 2P AC12V AC-12V VCC+12V ECO-Power ECO_VCC R1378 1K Q1 9014 R1379 1K Q2 8550 R1389 100 V

40、CC+12V STANDBY 1 2 3 CN110 3.95/3P + AC AC - DB101 KBL1010G C152 4700uF/35V C151 4700uF/35V 18V-1 18V-2F103F4AL250V F102F4AL250V 3C:6AL250V 3C:6AL250V B-G 1 E-S2C-d 3 Q113 BUK7509-55A Q115 BC857B Q116 BC857B R130 10k R113 47K R140 4.7K R133 10k -30V R174 3.3K R129 10K R171 680 Q117 BC847B R132 10K +30V DZ102 BZX79-B27V DZ103 BZX79-B27V R173 3.3K R172 680 B-G1 E-S 2 C-d 3 Q114 BUK7509-55A -28V +28V C139 104 C140104 C153 104M C155 104M C154 104M R159 10K R160 10k C135 104j C134 104j STANDBY AGND