Philips-MCM-772-Service-Manual.pdf

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1、277MCM me t s yS or c i M DVD TABLE OF CONTENTS 3141 785 33060 DB 0830 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 Power Board . 9 Decoder Boar

2、d .10 Disassembly Diagram.3-1.3-2 Block Diagram . 4-1 Wiring Diagram. 4-2 Volume Board .5-1 Display Board .6 Circuit diagram . 6-1 Layout diagram . 6-2 TUNER Board .8 M-boy,USB&Headphone Board .7 Circuit diagram . 8-1 Layout diagram . 8-2 Circuit diagram .10-1.10-4 Layout diagram .10-5.10-6 Circuit

3、diagram .9-1.9-2 Layout diagram . 9-3 Explode View.11-1.11-2 Service Partlist .12-1 Factory Partlist .13-1.13-6 Location of PC Boards 1-1 DECODER BOARD USB BOARD M-boy BOARD VOLUME BOARD TUNER BOARD VFD DISPLAY BOARD FAN POWER BOARD 110/220 CHANGING BOARD(for 98version) VERSION VARIATIONS : Type /Ve

4、rsions: Features Board in used: MCM772 Service policy DISPLAY BOARD USB BOARD M-boy BOARD TUNER BOARD HEADPHONE BOARD DECODER BOARD VOLUME BOARD POWER 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

5、 /12 /05 /05 Feature diffrence RDS TDS VOLTAGE SELECTOR ECO STANDBY - DARK C M M M M M M M Type /Versions: MCM772 AMPLIFIER Rated Output Power .45Wx2 RMS Signal-to-noise ratio. 65 dBA Frequency response .50Hz - 3 dB+/-3 20KHz Aux Input.0.5V RMS 47kohm DISC LaserType. Semiconductor Disc Diameter. 12c

6、m/8cm Support Disc . CD-DA,MP3,CD-RW,CD-R Audio DAC .24Bits / 44.1kHz Total Harmonic Distortion. 26dB Image Rejection .26dB Total Harmonic Distortion. 65dBA SPEAKERS Speaker Impedance . 4ohm Speaker Driver, base.4.5 Speaker Driver, tweeter .3 Frequency Response.50Hz -3dB+/-3 20KHz GENERAL INFORMATIO

7、N Total Output power . 45Wx2 RMS AC Power.220-230V / 50Hz Operation Power Consumption . 52W 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). 248x280 x105mm Speaker box (w x h x d). 140 x210 x250mm

8、 Weight With Packing.9.7 KG Main Unit .2.8 KG Speaker box .4.9 KG/SET Specifications and external appearance are subject to change without notice. 1-2 Specification 1-3 LF Generator e.g. PM5110 Recorder Use Universal Test Cassette CrO2SBC419 4822 397 30069 LEVEL METER e.g. Sennheiser UPM550 with FF-

9、filter S/N and distortion mete e.g. Sound 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

10、 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 cage. Use a bandpass filter (or a

11、t 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 filter to eliminate hum (50Hz, 1

12、00Hz) and disturbance from the pilottone (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

13、you are connected with the same potential 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 thos

14、e specified, be used Safety components 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 com

15、plaint CD related problem fast lens cleaning 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

16、 Printed Audio Disc.7104 099 96611 TR 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 C

17、D-DA SBC 444A.4822 397 30245 TR 14 (600 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 rea

18、sonable time 2 CUSTOMER INFORMATION It 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 re

19、quested to contact the workshop directly. 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 s

20、ynthetic and coated with a special anti-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 (do

21、nt press too hard) with a soft and clean 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

22、 particles make scratches on the lens. 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

23、 the Software CD Disc or USB,when it is loading Waiting a minute,till hear a long ding voice. Software upgrade finish. Vxx dyyyy ? ? Disassembly Diagram-DVD Part 3-13-1 A?. roodDVDnepo, rewopehtnonruT foeca l powtez i rp, f fonrutnehtdnA . roodDVDevomer, teefrebburfokco l fokcabdetac o l hc i hwswer

24、csnesooL.D 0.3KTTS01-TXROTrevocpot potecomoernehtdna , ) SCP2( IN0.6 . revoc 3swercsnesooL.EAWP01 . redao lDVDevomerot)SCP4( A B C D E XROTSPILIHPswercsnesooL. F , ) SCP4(BA0.01X0.3P5.101-TXROT ot)SCP1(3BA0.6X0.301-TPTTS . l enapraerevomer F 3swercsnesooL.G)SCP4(MB5 .draobredocedevomerot G 3swercsne

25、sooL.H)SCP2(TTMB5 . revocmot tobevomerot ehtdetac o l hc i hwswercsnesooL . I 3ten i baced i s. )SCP2(TTMF5 H I 6.2swercsnesooL . J )SCP6(AP8 .draobya l ps i devomerot J B?ehtdetac o l hc i hwswercsnesooL 0108KTTS7-TXROTrevocfot f e l )SCP2 ( I N0.60.3 C?ehtdetac o l hc i hwswercsnesooL revocfothg i

26、 r0.30108KTTS7-TXROT . )SCP2( IN0.6 ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ?

27、? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? 4-14-1 Block Diagram IC101 4-24-2 Wiring Diagram J4 J5 J3 J13 CON1 J12 J7 J9 J15 J1 J6 J2 J8 J10 J14 J11 TUNNER GND TX_IPOD/SCL IP

28、OD_DET RX_IPOD/SDA R_IPOD/BT L_IPOD/BT AGND_IPOD/BT IPOD_VIDEO I5V 33VD DXR DNG DXT 1ETUM YBDNATS TUOR A_DNG TUOL V22_CCV DNG YBDNATS DNG A_DNG NIR_XUA NIL_XUA OPTICAL GND PO_CCV TRACS_LDVD TRACS_RDVD TRACS_SBVC DNG TRACS_V/R TRACS_Y/G 9:61 TRACS_U/B #SBVC/BGR DNG +5V_USB USB+ -BSU DNG FFO/NO_BAD DN

29、G +1M -1M 1FV 2FV V5UPC V72- DNG ETOMER TAD_SD KLC_SD 1BTS_SD DNG A_TOR B_TOR -DEL MOC WS_ESOLC DNG WS_NEPO +M -M SP- SP+ GND LIMIT SL- SL+ CN101 BTS 5+ MER KLC ATAD 42- 2FV 1FV VFD BOARD A_NUF DEL V21A DNG B_NUF SSAB ELBERT V5+ DNG A_TOR B_TOR VOLUME BOARD ETUM 0L 0R DNG HEADPHONE BOARD CN301 U-DNG

30、 SUBV -D +D USB BOARD CN501 DNG L R AUX BOARD CON5 AGND L0 R0 HP-MUTE LED CON4 FAN GND GND CON3 FUN_A LED A12V D-GND FUN_B BASS TREBLE +5V D-GND ROT_A ROT_B REMOTE STB CON2 CON6 POW181F (HIGHPASS CIRCUIT) POWER BOARD AC IN FAN MPEG BOARD EJS1504CDMP3 CD Volume Board-Layout Diagram 5-1 5-1 G 1 B 2 A

31、3 102REDOCNE LOV RV202B100K RV201B100K 102R K7. 4 202R K7. 4 402C 301 302C 301 602C 401 502C 401 102L Hu01 +5V D-GND BASS D-GND A12V ROT-B ROT-A 1 2 3 4 5 6 7 8 9 10 11 2NC P11 TREBLE FUN_B FUN_A LEDA12V 102Q 0508 302R K01 102D 8414 402R K01 702C V61/FU001 LED -DEL MOC G 1 B 2 A 3 202REDOCNE LOV 102

32、C 301 202C 301 102DEL 086 To Panel ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ?

33、 ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ?

34、 ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? 6-2 6-2 Display Board-Layout Diagram HEADPHONE BOARDUSB BOARD 1 2 3 4 104NC 0. 2/NIP4 A104J 1153KC C104J 1153KC B104J 1153KC 01_DNGA 01_OR 01_OL ETUM-PH 1 2 3 4 10

35、3NC subv 1 -D 2 +D 3 DNG 4 dl ei hS 5 DNG 6 103J BSU u-DNG +D -D subv M-boy?USB&Headphone Board 7-17-1 M-boy BOARD J1 6p 1 2 3 4 CN1 4P ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ?